WO2017084429A1 - 图像采集方法、装置和计算机存储介质 - Google Patents

图像采集方法、装置和计算机存储介质 Download PDF

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Publication number
WO2017084429A1
WO2017084429A1 PCT/CN2016/099311 CN2016099311W WO2017084429A1 WO 2017084429 A1 WO2017084429 A1 WO 2017084429A1 CN 2016099311 W CN2016099311 W CN 2016099311W WO 2017084429 A1 WO2017084429 A1 WO 2017084429A1
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Prior art keywords
image
preview
preview images
acquisition
images
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PCT/CN2016/099311
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English (en)
French (fr)
Inventor
王乔明
付一鹏
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Nubia Technology Co Ltd
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Nubia Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/62—Control of parameters via user interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/61—Control of cameras or camera modules based on recognised objects
    • H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body

Definitions

  • the present invention relates to the field of information processing, and in particular, to an image acquisition method, apparatus, and computer storage medium.
  • a structure capable of image acquisition such as a camera or a video camera.
  • a mobile phone, a tablet or a wearable device, etc. the user can use the structure of the image acquisition to collect images.
  • the user uses a mobile phone to take pictures outdoors, but usually there is a situation in which the user does not grasp the timing of pressing the camera button at the moment of taking a photo, and the photo that is obviously afraid of blinking is indeed closed. Photo, in which case the user has to retake.
  • such an image acquisition structure is still not intelligent enough, resulting in problems such as cumbersome user operations.
  • embodiments of the present invention are expected to provide an image acquisition method, apparatus, and computer storage medium to solve the above problems.
  • a first aspect of the embodiments of the present invention provides an image capturing method, where the method includes: performing image previewing to generate N preview images; wherein, N is a positive integer not less than 2; storing the N preview images And when the acquisition completion operation is detected, selecting one of the N pieces of the preview images to store the captured image for the current image collection according to the presentation state of the preset portion of the acquisition object in the N preview images.
  • the stored image is the collected image of the image acquisition, and includes: when detecting the completion operation of the acquisition, selecting one of the N preview images according to the closed state of the eye of the captured object in the N preview images; The captured image of this image acquisition.
  • selecting one of the N preview images to be the current image according to the presentation state of the preset portion of the acquisition object in the N preview images Collecting the captured image includes: if at least one of the N preview images has an eye of the captured object in the preview image, selecting an eye from the N preview images to open and clear The preview image of the highest degree is stored as the captured image.
  • the acquired captured image further includes: if the eyes of the collected object in each of the preview images of the N preview images are in a closed state, selecting one of the N preview images with the highest definition The preview image is stored as the captured image.
  • the N preview images are images including at least two acquisition objects
  • the method includes: selecting, from the N preview images, a preview image in which all eyes of the collected object are opened, and storing the captured image for the current image acquisition; the method further includes: if the N preview images are not included A preview image in which all eyes of the collected object are opened, and a composite image in which all eyes of the collected objects are split is synthesized based on the N preview images; and the composite image is stored as a captured image for the image acquisition.
  • the presentation state of the preset portion includes a first state and a second state; when the acquisition completion operation is detected, according to the presentation state of the preset portion of the acquisition object in the N preview images, Selecting one of the N preview images to store the captured image for the current image acquisition includes: counting the presentation state of the preset portion in the N preview images as The first number of sheets in the first state, and the preset portion presenting state is the second number of sheets in the second state; if the first number of sheets is not less than the second number of sheets, the The one with the highest resolution in the preview image in which the part presenting state is the first state is stored as the captured image; if the second number of sheets is greater than the first number of sheets, the preset position is presented as The one with the highest definition in the preview image of the second state is stored as the captured image.
  • the method further includes:
  • N-1 sheets of the preview images other than the acquired image in the N preview images are deleted.
  • the storing the N preview images includes:
  • the N preview images are cached.
  • the buffering the N preview images includes:
  • the FIFO queue caches at most M preview images; the M is an integer not less than 2; and the N is not greater than the M.
  • the image previewing is performed to generate N preview images, including:
  • the preview image is acquired at preset time intervals after entering the photographing state and before detecting the acquisition completion operation.
  • a second aspect of the embodiments of the present invention provides an image collection device, where the device includes: an acquisition unit configured to perform image preview to generate N preview images when photographing; wherein N is a positive integer not less than 2; a storage unit configured to store the N preview images; and a second storage unit configured to: when the acquisition completion operation is detected, according to a presentation state of the preset portion of the N-preset image in the preview image, from the N Select one of the preview images to store the captured image for this image acquisition.
  • the second storage unit is configured to, when the acquisition completion operation is detected, select one of the N preview images to be stored according to the closed state of the eyes of the captured object in the N preview images.
  • the captured image of this image acquisition is configured to, when the acquisition completion operation is detected, select one of the N preview images to be stored according to the closed state of the eyes of the captured object in the N preview images. The captured image of this image acquisition.
  • the second storage unit is configured to: if the N sheets of the preview image And at least one of the images in the preview image in the preview image is in a cleaved state, and the preview image in which the eyes are opened and the highest definition is selected from the N preview images is stored as the captured image.
  • the second storage unit is configured to select one of the N preview images if the eyes of the collection object in each of the N preview images are in a closed state.
  • the preview image having the highest sharpness is stored as the captured image.
  • the N preview images are images including at least two acquisition objects
  • the second storage unit is configured to select, from the N preview images, a preview image in which all eyes of the collected object are opened, and store the captured image for the current image acquisition; the device further includes: a synthesizing unit, Configuring a composite image in which all eyes of the collected objects are split based on the N preview images if the preview images of all the captured objects are not opened in the N preview images; The storage unit is further configured to store the composite image as the captured image for the current image acquisition.
  • the presentation state of the preset portion includes a first state and a second state
  • the second storage unit is configured to count the state in which the preset portion is in the first state in the N preview images. a first number, and the preset portion presenting a second number of states in the second state; if the first number of sheets is not less than the second number of sheets, presenting the preset portion The highest resolution one of the preview images in the first state is stored as the captured image; if the second number of sheets is greater than the first number of sheets, the preset portion is presented in a second state The one with the highest definition in the preview image is stored as the captured image.
  • the device further includes:
  • And deleting the unit configured to delete N-1 of the preview images of the N preview images other than the captured image.
  • the first storage unit is a cache unit configured to cache the N preview images.
  • the cache unit is configured to cache the N by using a first in first out queue Preview image
  • the FIFO queue caches at most M preview images; the M is an integer not less than 2; and the N is not greater than the M.
  • a third aspect of the embodiments of the present invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute any one of the foregoing image collection methods.
  • the image collecting method, device and computer storage medium provided by the embodiments of the present invention generate N preview images when the image is previewed, and store the N preview images; after detecting the acquisition completion operation, according to the preview image
  • the presentation state of the preset portion of the acquisition object is selected from the N preview images for storage.
  • FIG. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of an acquisition structure for image collection according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart diagram of an image collection method according to an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of another image collection method according to an embodiment of the present invention.
  • FIG. 5A is a schematic diagram of a collection image selection effect according to an embodiment of the present invention.
  • FIG. 5B is a schematic diagram of a composite image generation effect according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of an image collection device according to an embodiment of the present invention.
  • FIG. 7 is a schematic flowchart of forming and buffering a preview image according to an embodiment of the present invention.
  • FIG. 8 is a schematic flowchart of selecting a preview image save according to an embodiment of the present invention.
  • the image acquisition method described in this embodiment can be applied to various types of electronic devices.
  • the electronic device in this embodiment may include various types of mobile terminals or fixed terminals.
  • the mobile terminal can be implemented in various forms.
  • the terminal described in the present invention may include, for example, a mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a PDA (Personal Digital Assistant), a PAD (Tablet), a PMP (Portable Multimedia Player), a navigation device, etc.
  • Mobile terminals and fixed terminals such as digital TVs, desktop computers, and the like.
  • the terminal is a mobile terminal.
  • those skilled in the art will appreciate that configurations in accordance with embodiments of the present invention can be applied to fixed type terminals in addition to components that are specifically for mobile purposes.
  • FIG. 1 is a schematic diagram showing the hardware structure of a mobile terminal embodying various embodiments of the present invention.
  • the mobile terminal 100 may include a wireless communication unit 110, an A/V (Audio/Video) input unit 120, a user input unit 130, an output unit 150, a memory 160, an interface unit 170, a controller 180, a power supply unit 190, and the like.
  • Figure 1 illustrates a mobile terminal having various components, but it should be understood that not all illustrated components are required to be implemented. More or fewer components can be implemented instead. The elements of the mobile terminal will be described in detail below.
  • Wireless communication unit 110 typically includes one or more components that permit radio communication between mobile terminal 100 and a wireless communication system or network.
  • the wireless communication unit may include a broadcast receiving module 111, a mobile communication module 112, a wireless internet module 113, and a short-range communication module. At least one of 114.
  • the broadcast receiving module 111 receives a broadcast signal and/or broadcast associated information from an external broadcast management server via a broadcast channel.
  • the broadcast channel can include a satellite channel and/or a terrestrial channel.
  • the broadcast management server may be a server that generates and transmits a broadcast signal and/or broadcast associated information or a server that receives a previously generated broadcast signal and/or broadcast associated information and transmits it to the terminal.
  • the broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and the like.
  • the broadcast signal may further include a broadcast signal combined with a TV or radio broadcast signal.
  • the broadcast associated information may also be provided via a mobile communication network, and in this case, the broadcast associated information may be received by the mobile communication module 112.
  • the broadcast signal may exist in various forms, for example, it may exist in the form of Digital Multimedia Broadcasting (DMB) Electronic Program Guide (EPG), Digital Video Broadcasting Handheld (DVB-H) Electronic Service Guide (ESG), and the like.
  • the broadcast receiving module 111 can receive a signal broadcast by using various types of broadcast systems.
  • the broadcast receiving module 111 can use forward link media (MediaFLO) by using, for example, multimedia broadcast-terrestrial (DMB-T), digital multimedia broadcast-satellite (DMB-S), digital video broadcast-handheld (DVB-H)
  • MediaFLO forward link media
  • the digital broadcasting system of the @) data broadcasting system, the terrestrial digital broadcasting integrated service (ISDB-T), and the like receives digital broadcasting.
  • the broadcast receiving module 111 can be constructed as various broadcast systems suitable for providing broadcast signals as well as the above-described digital broadcast system.
  • the broadcast signal and/or broadcast associated information received via the broadcast receiving module 111 may be stored in the memory 160 (or other type of storage
  • the mobile communication module 112 transmits the radio signals to and/or receives radio signals from at least one of a base station (e.g., an access point, a Node B, etc.), an external terminal, and a server.
  • a base station e.g., an access point, a Node B, etc.
  • Such radio signals may include voice call signals, video call signals, or various types of data transmitted and/or received in accordance with text and/or multimedia messages.
  • the wireless internet module 113 supports wireless internet access of the mobile terminal.
  • the module can be internally or externally coupled to the terminal.
  • the wireless Internet access technologies involved in the module may include WLAN (Wireless LAN) (Wi-Fi), Wibro (Wireless Broadband), Wimax (Worldwide Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access), etc. .
  • the short range communication module 114 is a module for supporting short range communication.
  • Some examples of short-range communication technologies include BluetoothTM, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wide Band (UWB), ZigbeeTM, and the like.
  • the A/V input unit 120 is for receiving an audio or video signal.
  • the A/V input unit 120 may include a camera 121 and a microphone 1220 that processes image data of still pictures or video obtained by the image capturing device in a video capturing mode or an image capturing mode.
  • the processed image frame can be displayed on the display unit 151.
  • the image frames processed by the camera 121 may be stored in the memory 160 (or other storage medium) or transmitted via the wireless communication unit 110, and two or more cameras 1210 may be provided according to the configuration of the mobile terminal.
  • the microphone 122 can receive sound (audio data) via a microphone in an operation mode of a telephone call mode, a recording mode, a voice recognition mode, and the like, and can process such sound as audio data.
  • the processed audio (voice) data can be converted to a format output that can be transmitted to the mobile communication base station via the mobile communication module 112 in the case of a telephone call mode.
  • the microphone 122 can implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated during the process of receiving and transmitting audio signals.
  • the user input unit 130 may generate key input data according to a command input by the user to control various operations of the mobile terminal.
  • the user input unit 130 allows the user to input various types of information, and may include a keyboard, a pot, a touch pad (eg, a touch sensitive component that detects changes in resistance, pressure, capacitance, etc. due to contact), a scroll wheel , rocker, etc.
  • a touch screen can be formed.
  • the interface unit 170 serves as an interface through which at least one external device can connect with the mobile terminal 100.
  • the external device may include a wired or wireless headset port, an external power (or battery discharger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, and an audio input/output. (I/O) port, video I/O port, headphone port, and more.
  • the identification module may be stored to verify various information used by the user using the mobile terminal 100 and may include a User Identification Module (UIM), a Customer Identification Module (SIM), a Universal Customer Identity Module (USIM), and the like.
  • a device having an identification module can take wisdom
  • the identification device can be connected to the mobile terminal 100 via a port or other connection device.
  • the interface unit 170 can be configured to receive input from an external device (eg, data information, power, etc.) and transmit the received input to one or more components within the mobile terminal 100 or can be used at the mobile terminal and external device Transfer data between.
  • an external device eg, data information, power, etc.
  • the interface unit 170 may function as a path through which power is supplied from the base to the mobile terminal 100 or may be used as a transmission of various command signals allowing input from the base to the mobile terminal 100 The path to the terminal.
  • Various command signals or power input from the base can be used as signals for identifying whether the mobile terminal is accurately mounted on the base.
  • Output unit 150 is configured to provide an output signal (eg, an audio signal, a video signal, an alarm signal, a vibration signal, etc.) in a visual, audio, and/or tactile manner.
  • the output unit 150 may include a display unit 151, an audio output module 152, and the like.
  • the display unit 151 can display information processed in the mobile terminal 100. For example, when the mobile terminal 100 is in a phone call mode, the display unit 151 can display a user interface (UI) or a graphical user interface (GUI) related to a call or other communication (eg, text messaging, multimedia file download, etc.). When the mobile terminal 100 is in a video call mode or an image capturing mode, the display unit 151 may display a captured image and/or a received image, a UI or GUI showing a video or image and related functions, and the like.
  • UI user interface
  • GUI graphical user interface
  • the display unit 151 can function as an input device and an output device.
  • the display unit 151 may include at least one of a liquid crystal display (LCD), a thin film transistor LCD (TFT-LCD), an organic light emitting diode (OLED) display, a flexible display, a three-dimensional (3D) display, and the like.
  • LCD liquid crystal display
  • TFT-LCD thin film transistor LCD
  • OLED organic light emitting diode
  • a flexible display a three-dimensional (3D) display, and the like.
  • 3D three-dimensional
  • Some of these displays may be configured to be transparent to allow a user to view from the outside, which may be referred to as a transparent display, and a typical transparent display may be, for example, a TOLED (Transparent Organic Light Emitting Diode) display or the like.
  • TOLED Transparent Organic Light Emitting Diode
  • the mobile terminal 100 may include two or more display units (or other display devices), for example, the mobile terminal may include an external display unit (not shown) and an internal display unit (not shown) .
  • the touch screen can be used to detect touch input pressure as well as touch input position and touch input Into the area.
  • the audio output module 152 may convert audio data received by the wireless communication unit 110 or stored in the memory 160 when the mobile terminal is in a call signal receiving mode, a call mode, a recording mode, a voice recognition mode, a broadcast receiving mode, and the like.
  • the audio signal is output as sound.
  • the audio output module 152 can provide audio output (eg, call signal reception sound, message reception sound, etc.) associated with a particular function performed by the mobile terminal 100.
  • the audio output module 152 can include a speaker, a buzzer, and the like.
  • the memory 160 may store a software program or the like for processing and control operations performed by the controller 180, or may temporarily store data (for example, a phone book, a message, a still image, a video, etc.) that has been output or is to be output. Moreover, the memory 160 can store data regarding vibrations and audio signals of various manners that are output when a touch is applied to the touch screen.
  • the memory 160 may include at least one type of storage medium including a flash memory, a hard disk, a multimedia card, a card type memory (eg, SD or DX memory, etc.), a random access memory (RAM), a static random access memory ( SRAM), read only memory (ROM), electrically erasable programmable read only memory (EEPROM), programmable read only memory (PROM), magnetic memory, magnetic disk, optical disk, and the like.
  • the mobile terminal 100 can cooperate with a network storage device that performs a storage function of the memory 160 through a network connection.
  • the controller 180 typically controls the overall operation of the mobile terminal. For example, the controller 180 performs the control and processing associated with voice calls, data communications, video calls, and the like.
  • the controller 180 may include a multimedia module 181 for reproducing (or playing back) multimedia data, which may be constructed within the controller 180 or may be configured to be separate from the controller 180.
  • the controller 180 may perform a pattern recognition process to recognize a handwriting input or a picture drawing input performed on the touch screen as a character or an image.
  • the power supply unit 190 receives external power or internal power under the control of the controller 180 and provides appropriate power required to operate the various components and components.
  • the various embodiments described herein can be used, for example, in computer software, hardware, or any of them.
  • the combined computer readable medium is implemented.
  • the embodiments described herein may be through the use of application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays ( An FPGA, a processor, a controller, a microcontroller, a microprocessor, at least one of the electronic units designed to perform the functions described herein, in some cases, such an embodiment may be at the controller 180 Implemented in the middle.
  • implementations such as procedures or functions may be implemented with separate software modules that permit the execution of at least one function or operation.
  • the software code can be implemented by a software application (or program) written in any suitable programming language, which can be stored in memory
  • the mobile terminal has been described in terms of its function.
  • a slide type mobile terminal among various types of mobile terminals such as a folding type, a bar type, a swing type, a slide type mobile terminal, and the like will be described as an example. Therefore, the present invention can be applied to any type of mobile terminal, and is not limited to a slide type mobile terminal.
  • the mobile terminal 100 as shown in FIG. 1 may be configured to operate using a communication system such as a wired and wireless communication system and a satellite-based communication system that transmits data via frames or packets.
  • a communication system such as a wired and wireless communication system and a satellite-based communication system that transmits data via frames or packets.
  • the photographic lens 301 is composed of a plurality of optical lenses for forming a subject image, and is a single focus lens or a zoom lens.
  • the photographic lens 301 can be moved in the optical axis direction by the lens driving unit 311, and controls the focus position of the taking lens 301 based on the control signal from the lens driving control unit 312, and also controls the focus distance in the case of the zoom lens.
  • the lens drive control circuit 312 performs drive control of the lens drive unit 311 in accordance with a control command from the microcomputer 307.
  • An imaging element 302 is disposed in the vicinity of a position where the subject image is formed by the photographing lens 301 on the optical axis of the photographing lens 301.
  • the imaging element 302 functions as an imaging unit that captures a subject image and acquires captured image data.
  • Photodiodes constituting each pixel are two-dimensionally arranged in a matrix on the imaging element 302. Each photodiode generates a photoelectric conversion current corresponding to the amount of received light, and the photoelectric conversion current is charged by a capacitor connected to each photodiode.
  • Front of each pixel The surface is provided with a Bayer array of RGB color filters.
  • the imaging element 302 is connected to an imaging circuit 303 that performs charge accumulation control and image signal readout control in the imaging element 302, and performs waveform shaping after reducing the reset noise of the read image signal (analog image signal). Further, gain improvement or the like is performed to obtain an appropriate signal level.
  • the imaging circuit 303 is connected to the A/D conversion unit 304.
  • the A/D conversion unit 304 performs analog-to-digital conversion on the analog image signal, and outputs a digital image signal (hereinafter referred to as image data) to the bus 399.
  • the bus 399 is a transmission path for transmitting various data read or generated inside the camera.
  • the A/D conversion unit 304 is connected to the bus 399, and an image processor 305, a JPEG processor 306, a microcomputer 307, a SDRAM (Synchronous DRAM) 308, and a memory interface (hereinafter referred to as a memory I/F) are connected.
  • an image processor 305 a JPEG processor 306, a microcomputer 307, a SDRAM (Synchronous DRAM) 308, and a memory interface (hereinafter referred to as a memory I/F) are connected.
  • 309 An LCD (Liquid Crystal Display) driver 310.
  • the image processor 305 performs various types of images such as OB subtraction processing, white balance adjustment, color matrix calculation, gamma conversion, color difference signal processing, noise removal processing, simultaneous processing, edge processing, and the like on the image data based on the output of the imaging element 302. deal with.
  • the JPEG processor 306 compresses the image data read out from the SDRAM 308 in accordance with the JPEG compression method when the image data is recorded on the recording medium 315. Further, the JPEG processor 306 performs decompression of JPEG image data for image reproduction display.
  • the file recorded on the recording medium 315 is read, and after the compression processing is performed in the JPEG processor 306, the decompressed image data is temporarily stored in the SDRAM 308 and displayed on the LCD 316.
  • the JPEG method is adopted as the image compression/decompression method.
  • the compression/decompression method is not limited thereto, and other compression/decompression methods such as MPEG, TIFF, and H.264 may be used.
  • the microcomputer 307 functions as a control unit of the entire camera, and collectively controls various processing sequences of the camera.
  • the microcomputer 307 is connected to the operation unit 313 and the flash memory 314.
  • the operation unit 313 includes but is not limited to a physical button or a virtual button, and the entity or virtual button may be a power button, a camera button, an edit button, a dynamic image button, a reproduction button, a menu.
  • Various operation buttons such as a button, a cross key, an OK button, a delete button, and an enlargement button, and various operation keys such as various input keys are used to detect the operation state of these operation members.
  • the detection result is output to the microcomputer 307. Further, a touch panel is provided on the front surface of the LCD 316 as a display portion, and the touch position of the user is detected, and the touch position is output to the microcomputer 307.
  • the microcomputer 307 executes various processing sequences corresponding to the operation of the user based on the detection result of the operation member from the operation unit 313. (Also, this place can be changed to the computer 307 to execute various processing sequences corresponding to the user's operation based on the detection result of the touch panel on the front of the LCD 316.)
  • the flash memory 314 stores programs for executing various processing sequences of the microcomputer 307.
  • the microcomputer 307 can at least achieve the following operations by executing the program:
  • N is a positive integer not less than 2; storing the N preview images; when detecting an acquisition completion operation, collecting objects according to the N preview images a presentation state of the preset portion, and selecting one of the N preview images to store the captured image for the current image acquisition.
  • selecting one of the N pieces of the preview images to be the current image collection according to the presentation state of the preset portion of the acquisition object in the N preview images The collected image includes: when detecting the completion operation of the acquisition, selecting one of the N preview images to store the captured image for the image acquisition according to the closed state of the eye of the captured object in the N preview images.
  • Collecting the captured image includes: if at least one of the N preview images has an eye of the captured object in the preview image, selecting an eye from the N preview images to open and clear The preview image of the highest degree is stored as the captured image.
  • selecting one of the N pieces of the preview images is stored according to the presentation state of the preset portion of the acquisition object in the N preview images.
  • the captured image of the image acquisition further includes: if the eyes of the collection object in each of the preview images of the N preview images are closed, selecting a clear one from the N preview images The preview image of the highest degree is stored as the captured image.
  • the N preview images are all images including at least two acquisition objects.
  • the method further includes:
  • a composite image in which all eyes of the collected objects are split is synthesized based on the N preview images; and the composite image is stored The captured image for this image acquisition.
  • the presentation state of the preset portion includes a first state and a second state; when the acquisition completion operation is detected, according to the presentation state of the preset portion of the acquisition object in the N preview images, Selecting, in the N pieces of the preview images, the collected images stored in the current image collection, comprising: counting the first number of the preset positions in the N preview images in the first state, and The preset portion presents a second number of states in the second state; if the first number of sheets is not less than the second number of sheets, displaying the preset portion as a preview of the first state One of the highest resolution images in the image is stored as the captured image; if the second number of sheets is greater than the first number of sheets, the highest resolution is obtained in the preview image in which the preset portion is in the second state. One of the stores is the captured image.
  • the microcomputer 307 performs overall control of the camera in accordance with the program. Further, the flash memory 314 stores various adjustment values of the camera, and the microcomputer 307 reads out the adjustment value, and performs control of the camera in accordance with the adjustment value.
  • the SDRAM 308 is an electrically rewritable volatile memory for temporarily storing image data or the like.
  • the SDRAM 308 temporarily stores the image data output from the A/D conversion unit 304 and the image data processed in the image processor 305, the JPEG processor 306, and the like.
  • the memory interface 309 is connected to the recording medium 315, and performs control for writing image data and a file header attached to the image data to the recording medium 315 and reading out from the recording medium 315.
  • the recording medium 315 is, for example, a recording medium such as a memory card that can be detachably attached to the camera body. However, it is not limited thereto, and may be a hard disk or the like built in the camera body.
  • the LCD driver 310 is connected to the LCD 316, and stores image data processed by the image processor 305 in the SDRAM.
  • the image data stored in the SDRAM is read and displayed on the LCD 316, or the image data stored in the JPEG processor 306 is compressed.
  • the JPEG processor 306 reads the compressed image data of the SDRAM, decompresses it, and displays the decompressed image data through the LCD 316.
  • the LCD 316 is disposed on the back of the camera body or the like to perform image display.
  • the LCD 316 is provided with a touch panel that detects a user's touch operation.
  • the liquid crystal display panel (LCD 316) is disposed as the display portion.
  • the present invention is not limited thereto, and various display panels such as an organic EL may be employed.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • this embodiment provides an image collection method, where the method includes:
  • Step S110 Perform image preview to generate N preview images when photographing; wherein N is a positive integer not less than 2;
  • Step S120 storing the N preview images
  • Step S130 When detecting the acquisition completion operation, select one of the N preview images to be the collection of the current image collection according to the presentation state of the preset portion of the acquisition object in the N preview images. image.
  • the image collection method described in this embodiment may be applied to the above-mentioned electronic device, for example, an electronic device including a mobile phone, a tablet computer or a wearable device, a notebook computer or a desktop computer including an image capturing function.
  • the image preview is performed in the step S110 to generate N preview images.
  • the camera is turned on, and the camera starts capturing images.
  • the user can generally see the image formed by the preview on the electronic device of the display screen, and the image formed at this time.
  • the acquisition unit in the image acquisition device forms one preview image every specified length of time.
  • the specified duration here may be a preset duration, such as a length of time such as 0.05 seconds or 0.01 seconds. In this way, multiple preview images can be formed within a certain length of time.
  • the step S110 may be: after the collecting unit enters the collecting state (ie, the photographing state), the image preview (ie, image acquisition) is started according to the preset time interval to generate a preview image until the detection is detected.
  • the acquisition completes the operation.
  • the image capture device starts to collect and display the preview image as soon as the image capture state is entered.
  • the image capture operation is performed, and the image is executed at this time.
  • the acquisition device will collect the acquisition completion operation.
  • the image acquisition device can select a high-quality preview image that satisfies the user's requirements and store the captured image for the current time, thereby improving the collection quality of the collected image and avoiding the user's thinking. Repeated acquisition and frequent operation when the image quality is poor.
  • the N preview images generated by the acquisition will be stored in step S120; the storage herein may include buffering the N preview images.
  • the cache here can be understood as temporary storage. If the information in the cache is released, the N preview images will be lost.
  • the storage in step S120 may also be a storage operation stored in a hard disk or the like.
  • N preview images are stored in step S120, and one of the stored N preview images is selected in step S130.
  • the method may further include automatically deleting another N-1 preview images.
  • the storage in the step S120 may also be permanent storage, so as to avoid the loss of the preview image caused by the problem that the cache is powered off or the like; in this case, after the step S130 is performed, the deletion is also included.
  • N-1 preview images other than the acquired images are collected to reduce the occupation of the storage space of the device by the captured images.
  • the detecting the collection completion operation described in step S130 may include detecting that the user has pressed the photographing key or the like to confirm that the image capturing operation is completed.
  • the camera button here can be a physical button or it can be Virtual key. If the electronic device detects that the user inputs the instruction to complete the acquisition, the instruction is that the electronic device can temporarily terminate the capture and generation of the preview image.
  • the presentation state of the preset portion of the acquisition object in the preview image will be analyzed in step S130.
  • the object to be collected here may be a character figure, an animal figure or an object figure in the preview image.
  • the collection object herein in this embodiment may be selected to correspond to a person, an animal or an object that is movable.
  • the character graphic is an image formed by image capturing of a person; the animal graphic is an image collected by an animal to form an image; and the object graphic may be a graphic formed by collecting an object.
  • the objects here may include vehicles, lakes, and the like.
  • the preset portion is a part of the collection object, such as an eye in a character figure, an eye or a tail in an animal figure, or a license plate of a bus.
  • the presentation state of the preset part in the embodiment is a pattern or a posture presented by the preset part of the collection object in each preview image. For example, is the character's eyes open or closed? The animal's ears are upright or squatting; the bus's license plate is blocked by other problems or unobstructed.
  • the presentation state of the preset portion in this embodiment can be implemented by various feature recognition technologies. For example, it is determined by face recognition whether the eye is open or closed, for example, by pupil positioning or face recognition. If the pupil positioning from the preview image is unsuccessful, it indicates that the eyes of the person in the current preview image are closed, and for example, the face recognition is used to recognize the eyes of the person.
  • face recognition it is determined by face recognition whether the eye is open or closed, for example, by pupil positioning or face recognition. If the pupil positioning from the preview image is unsuccessful, it indicates that the eyes of the person in the current preview image are closed, and for example, the face recognition is used to recognize the eyes of the person.
  • face recognition there are many ways to identify the presentation state of the preset portion of the acquisition object in the preview image, which is not exemplified herein.
  • step S130 of the embodiment a captured image for storing the current image acquisition is selected according to the presentation state of the preset portion in each preview image.
  • the storage in step S130 is non-instantaneous storage, that is, the image collection device can still view the captured image after being turned on again after being normally turned off. Generally, when the stored captured image in step S130 is not received, the electronic device does not automatically delete the captured image due to power failure or the like.
  • the image acquisition method described in this embodiment acquires N preview images by using the time of image preview, and selects a preview image from N preview images when detecting the acquisition completion operation.
  • N preview images As an image formed as a final acquisition, it is apparent that compared with the image captured in the prior art only when the detection and acquisition operation is detected as a preview image, there is a greater possibility of collecting the image desired by the user, thereby improving the intelligence of the image acquisition device. Sex and user satisfaction.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • this embodiment provides an image collection method, where the method includes:
  • Step S110 Perform image preview to generate N preview images when photographing; wherein N is a positive integer not less than 2;
  • Step S120 storing the N preview images
  • Step S130 When detecting the acquisition completion operation, select one of the N preview images to be the collection of the current image collection according to the presentation state of the preset portion of the acquisition object in the N preview images. image.
  • the step S130 includes:
  • one of the N preview images is selected as the captured image for the current image acquisition according to the closed state of the eyes of the captured object in the N preview images.
  • the object to be collected is a character figure or an animal figure including an eye.
  • the eye is the aforementioned predetermined portion.
  • a preview image is selected as the final captured image according to the closed state of the eye.
  • step S130 two alternatives based on step S130 described in this embodiment are provided below:
  • the step S130 may include:
  • the eyes of the collection object are in a split state, and the preview image with the highest eye opening and the highest definition is selected from the N preview images. Stored as the captured image.
  • the step S130 may further include:
  • the user Taking the collection object as a character, if the user wants to collect a photo of the open eye, the user will open his eyes during the image preview, and of course there will be blinking, but usually in this case, blinking The time is less than the time the user blinks. Obviously, the probability that the preview image of the blink image is not included in the N preview images is very small, so in the present embodiment, the first acquisition image will be determined by the first scheme. It is apparent that one of the eyes of the acquisition subject is selected from the N preview images as the captured image. In order to improve the quality of the image, in the present embodiment, a preview image with the highest sharpness of the eye is selected as the captured image, and it is obvious that the quality such as blurring due to unclear focus or motion can be removed. Bad preview image. In this way, not only can the photo of the state desired by the user be collected, but also the collection quality of the captured image can be improved.
  • the user specifically wants to collect a closed-eye photo, usually the user will keep the eye-closed state at this time. After the collection is completed, the collector will inform the collected user to blink. Therefore, in the second solution of the embodiment, when the eyes of all the collected objects in the N captured images are in a closed state, the one with the highest definition is selected from the N preview images as the final captured image. . In this way, the user also intentionally collects the closed-eye state, and since the highest-resolution one is selected from the N preview images, the probability of capturing the image with respect to the prior art is higher; It also improves the quality of image acquisition.
  • FIG. 5A three preview images are formed by the step S110, and the leftmost one of the preview images in FIG. 5A is opened and the image is clear.
  • the middle one of the three preview images in FIG. 5A is a portrait.
  • the portrait image on the far right side is also open to the eyes, but there is a ghost image, resulting in low definition.
  • a preview image of the object ie, the portrait
  • Will be the leftmost one of the 3 preview images Zhang selects the captured image for this image acquisition.
  • the blink indicates that the eyes are closed.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • this embodiment provides an image collection method, where the method includes:
  • Step S110 Perform image preview to generate N preview images when photographing; wherein N is a positive integer not less than 2;
  • Step S120 storing the N preview images
  • Step S130 When detecting the acquisition completion operation, select one of the N preview images to be the collection of the current image collection according to the presentation state of the preset portion of the acquisition object in the N preview images. image.
  • the storing the N preview images includes:
  • the FIFO queue caches at most M preview images; the M is an integer not less than 2; and the N is not greater than the M. In this case, when the number of preview images formed during the image preview is more than the M, the FIFO queue discards the preview image that is first cached into the FIFO queue.
  • the N first preview images are stored using First In First Out (FIFO).
  • FIFO First In First Out
  • the FIFO is characterized by storing a preview image that enters the queue first, and is first pushed out of the queue when the queue is full. If the preview image is pushed out of the queue equivalent, the preview image is deleted.
  • the storage capacity of the FIFO is M preview images.
  • the time for previewing the image is long or the formation speed of the preview image is fast, and when the number of preview images formed is large, the storage of the preview image by the FIFO may result in a full queue.
  • the image preview time of the user-controlled image acquisition unit is long during image acquisition, the user is always adjusted to try to find a state of satisfaction, and the satisfactory image acquisition state should be closest to the user to apply the determined acquisition to the image acquisition unit. The point in time of the operation. Therefore, in the embodiment, the preview image is stored by using a FIFO, and if the number of preview images formed is large, For the M, the earliest formed preview image will be discarded from the FIFO.
  • the application scene of load image acquisition limits the number of preview image buffers on one hand, which avoids high complexity and high computational complexity in subsequent selection, and uses FIFO to perform image buffering. Maximize the image that the user wants to be cached, which improves the intelligence of the image capture device and user satisfaction.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • this embodiment provides an image collection method, where the method includes:
  • Step S110 Perform image preview to generate N preview images when photographing; wherein N is a positive integer not less than 2;
  • Step S120 storing the N preview images
  • Step S130 When detecting the acquisition completion operation, select one of the N preview images to be the collection of the current image collection according to the presentation state of the preset portion of the acquisition object in the N preview images. image.
  • the presentation state of the preset portion includes a first state and a second state
  • the step S130 may include:
  • the first number of sheets is not less than the second number of sheets, storing the one with the highest definition in the preview image in which the preset portion is in the first state as the captured image;
  • the one with the highest definition in the preview image in which the preset portion is present in the second state is stored as the captured image.
  • the eye of the collecting object is taken as an example.
  • the first state may be a split state of the eye, and the second state may be a closed state of the eye.
  • it is determined whether the first state or the second state in which the acquisition object is presented in the selected acquisition image is determined according to the number of preview images included in the respective presentation states of the preset location.
  • This embodiment uses a statistical method to dynamically determine the presentation state of the device and the device part in the captured image. For example, a user who wants to collect a blinking state, Obviously, the object of the collection is deliberately kept in a blinking state.
  • the duration of the blinking state is longer than the state of the closed eye state, so that it is obvious that the preview of the blinking state can be selected by counting the first number of sheets and the second number of sheets.
  • the image is used as a captured image.
  • the blinking state will last longer than the closed-eye state, so that it is obvious that the first number and the first number can be counted.
  • the two images select a preview image of the closed eye state as the captured image.
  • the collection object described in this embodiment may also be an acquisition object having an appearance state switching, such as an animal.
  • the preset portion is a portion on the object to be collected, and is not limited to the eye in the embodiment.
  • the preview image with the highest resolution in the first state or the second state is selected as the captured image, which obviously improves the quality of the collected image and improves the satisfaction of the user.
  • This embodiment is at least a further improvement based on the first embodiment or the fifth embodiment, and the FIFO can also be used for buffering the preview image. Moreover, the image acquisition method described in this embodiment has the characteristics of achieving high intelligence even when the image acquisition device is high.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • this embodiment provides an image collection method, where the method includes:
  • Step S110 Perform image preview to generate N preview images when photographing; wherein N is a positive integer not less than 2;
  • Step S120 storing the N preview images
  • Step S130 When detecting the acquisition completion operation, select one of the N preview images to be the collection of the current image collection according to the presentation state of the preset portion of the acquisition object in the N preview images. image.
  • the N preview images are all images including at least two acquisition objects.
  • the step S130 may include: selecting, from the N preview images, a preview image in which all eyes of the collected object are opened, and storing the captured image for the current image collection.
  • the method further includes:
  • Step S140 If there is no preview image in which the eyes of all the collected objects are opened in the N preview images, a composite image in which all the eyes of the collected objects are split is synthesized based on the N preview images;
  • Step S150 Store the composite image as the captured image of the current image acquisition.
  • Step S140 and step S150 are also added in this embodiment.
  • step S140 of the embodiment it is determined that all the captured objects in all the preview images are open eyes, and at least two images are selected from the N preview images for image synthesis to generate a composite image.
  • the eyes of each preview object in the composite image are split, so that an image of the eyes of each of the collected objects is generated, and the synthesized image is stored for the collection of the image collection in step S150.
  • the image so that when the user sees the captured image, there is a great chance that the user will be satisfied, thereby preventing the user from instructing the electronic device to collect again, avoiding repeated collection, and improving the intelligence of the electronic device and the user satisfaction.
  • step S140 may include:
  • selecting the M preview images in which the respective acquisition objects satisfy the preset definition condition from the N preview images may include: selecting a preview image in which each of the collection objects is opened and having the highest definition, and forming the M sheets.
  • Previewing the image may also include: selecting a preview image in which the sharpness of each of the acquired objects is greater than the sharpness threshold, and composing the M preview images.
  • image synthesis is performed by image processing techniques such as mapping and mapping to form the composite image.
  • step S110 three preview images including four human images are collected by using step S110.
  • the portrait of the girl appears blinking
  • the portrait of the male in the front row of the preview image appears blinking
  • the last image of the rightmost image is near the middle.
  • the position of the boys’ portraits blinked, causing none of the three preview images to open their eyes. Therefore, the image synthesis is performed in step S140 to form a very large image as shown in FIG. 5B.
  • the image collecting method in this embodiment also stores the synthesized image as the collected image of the current image collection, so that when the user views the current image capturing effect, the composite image will be seen, and each of the composite images is collected.
  • the eyes of the subject are all open, and it is obvious that the probability of the user's satisfaction will increase, and the repeated acquisition can be reduced.
  • the embodiment provides an image collection device, and the device includes:
  • the collecting unit 410 is configured to perform image previewing to generate N preview images when photographing; wherein N is a positive integer not less than 2;
  • the first storage unit 420 is configured to store the N preview images
  • the second storage unit 430 is configured to: when the acquisition completion operation is detected, select one of the N preview images from the N preview images according to a presentation state of the preset portion of the N-preview image The acquired image of the secondary image acquisition.
  • the image capture device in this embodiment may be any structure capable of image capture, and may specifically correspond to various electronic devices such as a camera, a video camera, a mobile phone, a tablet computer, a notebook computer, or a wearable device.
  • the acquisition unit 410 of the present embodiment corresponds to a structure having an image acquisition function such as a camera or a video camera. During the image preview using the acquisition unit 410 in this embodiment, a preview image will be formed.
  • the first storage unit 420 is further included in the embodiment, and the first storage unit 420 stores the N preview images respectively, where the first storage unit 420 can correspond to various storage media, in this embodiment.
  • the first storage unit 420 may also correspond to a cache; the cache is a temporary storage medium that can temporarily store data.
  • the first storage unit 420 in the present embodiment will be utilized to store N sheets of the preview image.
  • the second storage unit 430 is further included, and in the embodiment, the second storage unit 430 can be used to store a preview image for a long time, and can be considered as permanent storage in the case of no user deletion instruction.
  • the image capture device can be considered to permanently store the captured image.
  • the second storage unit 430 is configured to select a preview image from the N preview images according to the presentation state of the preset portion of the acquisition object as the captured image formed by the current image acquisition.
  • the image acquisition device of the embodiment is used for image acquisition. Compared with the prior art, the image has a higher probability of acquiring the image of the presentation state desired by the user at one time, thereby improving the intelligence of the image acquisition device; In order to collect the captured image of the preset part that I want, the camera key is repeatedly pressed, which greatly simplifies the user's operation and obviously improves the user's satisfaction.
  • the embodiment provides an image collection device, and the device includes:
  • the collecting unit 410 is configured to perform image previewing to generate N preview images when photographing; wherein N is a positive integer not less than 2;
  • the first storage unit 420 is configured to store the N preview images
  • the second storage unit 430 is configured to: when the acquisition completion operation is detected, select one of the N preview images from the N preview images according to the presentation state of the preset portion of the captured object in the preview image The acquired image of the secondary image acquisition.
  • the second storage unit 430 is configured to select one of the N preview images to be the current image according to the closed state of the eyes of the captured object in the preview image when the acquisition completion operation is detected. Captured images acquired.
  • the second storage unit 430 sets the preset portion as the eye.
  • a preview image is selected as the captured image according to the closed state of the eye.
  • the eye closed state here corresponds to at least two states, an open state of the eye or an open state of the eye.
  • the second storage unit 430 is configured to: if the N sheets are The at least one of the images in the preview image is in a cleaved state, and the preview image in which the eyes are opened and the highest definition is selected from the N preview images is stored as the captured image.
  • the second storage unit 430 is further configured to: if the eyes of the collection object in each of the preview images of the N preview images are in a closed state, select from the N preview images. The preview image having the highest definition is stored as the captured image.
  • the image of the blink state desired by the user or the image of the closed state of the eye can be conveniently collected at one time.
  • the embodiment provides an image collection device, and the device includes:
  • the collecting unit 410 is configured to perform image previewing to generate N preview images when photographing; wherein N is a positive integer not less than 2;
  • the first storage unit 420 is configured to store the N preview images
  • the second storage unit 430 is configured to: when the acquisition completion operation is detected, select one of the N preview images from the N preview images according to the presentation state of the preset portion of the captured object in the preview image The acquired image of the secondary image acquisition.
  • the first storage unit 420 is configured to store the N preview images by using a first in first out queue
  • the FIFO queue caches at most M preview images; the M is an integer not less than 2; the N is not greater than the M; when the number of preview images formed during the image preview is redundant In the case of M, the FIFO queue discards the preview image that is first cached into the FIFO queue.
  • the FIFO is used to cache the N preview images.
  • the number of preview images can be limited, and the FIFO queue is used for caching, and the final preview can be cached.
  • the resulting preview image so that the application requirements of the image acquisition in most cases can meet the user's needs to the utmost and enhance the image.
  • the intelligence of the acquisition device is used to cache the N preview images.
  • the embodiment provides an image collection device, and the device includes:
  • the collecting unit 410 is configured to perform image previewing to generate N preview images when photographing; wherein N is a positive integer not less than 2;
  • the first storage unit 420 is configured to store the N preview images
  • the second storage unit 430 is configured to: when the acquisition completion operation is detected, select one of the N preview images from the N preview images according to a presentation state of the preset portion of the N-preview image The acquired image of the secondary image acquisition.
  • the N preview images are all images including at least two acquisition objects.
  • the second storage unit 430 is configured to select, from the N preview images, a preview image in which all eyes of the collected object are opened, and store the captured image for the current image acquisition;
  • the device also includes:
  • a synthesizing unit configured to synthesize a composite image in which all eyes of all the collected objects are split based on the N preview images if none of the N preview images are opened by the eyes of the collected objects;
  • the second storage unit 430 is further configured to store the composite image as the captured image for the current image acquisition.
  • the apparatus in this embodiment also introduces a synthesizing unit, where the synthesizing unit can correspond to a processor or a processing circuit or the like.
  • the description of the processor or the processing circuit can be referred to the foregoing embodiment, and is not repeated here.
  • the synthesizing unit will be based on N preview images, which is a composite image of all the eyes of the collected objects.
  • the second storage unit 430 also uses the composite image as the captured image of the current image acquisition, so that the probability that the user sees the captured image to be satisfied will be higher, so that the electronic device will not be instructed to be collected again, thereby avoiding repeated acquisition. Improve collection efficiency and intelligence of electronic devices.
  • the embodiment provides an image collection device, and the device includes:
  • the collecting unit 410 is configured to perform image previewing to generate N preview images when photographing; wherein N is a positive integer not less than 2;
  • the first storage unit 420 is configured to store the N preview images
  • the second storage unit 430 is configured to: when the acquisition completion operation is detected, select one of the N preview images from the N preview images according to a presentation state of the preset portion of the N-preview image The acquired image of the secondary image acquisition.
  • the presentation state of the preset portion includes a first state and a second state
  • the second storage unit 430 is configured to count a first number of the preset positions in the N preview images as a first state, and the preset location present state is the second state a second number; if the first number of sheets is not less than the second number, storing the one with the highest definition in the preview image in which the preset portion is in the first state as the captured image And if the second number of sheets is greater than the first number of sheets, storing the one with the highest definition in the preview image in which the preset portion is in the second state as the captured image.
  • the second storage unit 430 may correspond to an information processing structure having a first state and a second state identification and a counter or counting circuit or a processor having a counting function, in addition to the storage medium.
  • the counter, counting circuit or processor having a technical function can be used to perform statistics of the first number of sheets and the second number of sheets.
  • the second storage unit 430 may further include a comparator, by comparing the first number of sheets and the second number of sheets, determining that the preview image in which the selected preset portion is the first state or the second state is stored as Capture images.
  • the image acquisition device of the embodiment is further improved on the basis of the fourth embodiment or the sixth embodiment, and has the same features of simplifying the image collection operation, improving the quality of the collected image and high intelligence, and further having the simple structure. And the realization of simple features.
  • the embodiment provides an image collection device, and the device includes:
  • the collecting unit 410 is configured to perform image previewing to generate N preview images when photographing;
  • the N is a positive integer not less than 2;
  • the first storage unit 420 is configured to store the N preview images
  • the second storage unit 430 is configured to: when the acquisition completion operation is detected, select one of the N preview images from the N preview images according to the presentation state of the preset portion of the captured object in the preview image The acquired image of the secondary image acquisition.
  • And deleting the unit configured to delete N-1 of the preview images of the N preview images other than the captured image.
  • the deletion unit herein may correspond to a processor or a processing circuit, and the processor or processing circuit herein may refer to the foregoing embodiment, and the processor or the processing circuit will not be described in detail again.
  • the storage space occupied by the first storage unit 420 can be reduced, thereby reducing the storage capacity of the first storage unit 420 due to excessive storage of the previewed image. Not enough.
  • the embodiment provides an image collection device, and the device includes:
  • the collecting unit 410 is configured to perform image previewing to generate N preview images when photographing; wherein N is a positive integer not less than 2;
  • the first storage unit 420 is configured to store the N preview images
  • the second storage unit 430 is configured to: when the acquisition completion operation is detected, select one of the N preview images from the N preview images according to the presentation state of the preset portion of the captured object in the preview image The acquired image of the secondary image acquisition.
  • the first storage unit 420 is a cache unit configured to cache the N preview images.
  • the cache unit is a storage medium including various storage media as a cache type.
  • the buffer unit will cache the N preview images in the current image acquisition. When the image is captured next time, the stored N preview images may be overwritten by the next captured preview image, so that the automatic deletion is performed. Excessive preview image effects, reduced storage operations and insufficient storage capacity.
  • the cache unit is configured to cache the N by using a first in first out queue Preview image
  • the FIFO queue caches at most M preview images; the M is an integer not less than 2; and the N is not greater than the M.
  • the cache unit is a FIFO queue. In this way, in the preview image storage process, when the preview image is too much, the delete operation is automatically performed to avoid the problem that the storage capacity is insufficient.
  • the acquisition unit 410 is configurable to acquire the preview image according to a preset time interval after entering the photographing state and before detecting the acquisition completion operation.
  • a preset time interval after entering the photographing state and before detecting the acquisition completion operation.
  • the embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute any one of the foregoing image collection methods, for example, FIG. 3 and FIG. 4 The method shown in Figure 7 and/or Figure 8.
  • the computer storage medium may be a mobile storage device, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program code. Selected as a non-transient storage medium.
  • the example provides an image collection method, including:
  • Step S1 The camera turns on the preview to form a preview image.
  • the camera here is equivalent to the aforementioned acquisition unit.
  • Step S2 The preview image formed in step S1 is cached.
  • Step S3 Determine whether the number of cached preview images exceeds a preset threshold?
  • the preset threshold here may be M in the foregoing embodiment, and if yes, the process proceeds to step S4, and if not, the process returns to step S1 until it is detected that the user presses the camera button.
  • pressing the camera button is the aforementioned detection to determine the acquisition operation.
  • Step S4 deleting the preview image that is first cached, and returning to step S1.
  • Step S5 It is detected that the user presses the camera button.
  • Step S6 Read the cached preview image.
  • Step S7 Calculate the sharpness of the preview image and determine the presentation state of the eye.
  • Step S8 judging whether there is a preview image of a blink? If yes, go to step S9, if no, go to step S10.
  • Step S9 Selecting the highest definition save in the preview image of the blink.
  • Step S10 Selecting the highest resolution save among all the preview images.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner such as: multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored or not executed.
  • the coupling, or direct coupling, or communication connection of the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms. of.
  • the units described above as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place or distributed to multiple network units; Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing module, or each unit may be separately used as one unit, or two or more units may be integrated into one unit; the above integration
  • the unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
  • the foregoing storage medium includes: a removable storage device, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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Abstract

本发明实施例公开了一种图像采集方法及装置，所述方法包括：拍照时进行图像预览生成N张预览图像；存储所述N张预览图像；所述N为不小于2的正整数；当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。本发明实施例还公开了一种计算机存储介质。

Description

图像采集方法、装置和计算机存储介质 技术领域
本发明涉及信息处理领域，尤其涉及一种图像采集方法、装置和计算机存储介质。
背景技术
随着信息技术和电子技术的发展，越来越多的电子设备上配置了相机或摄像机等能够进行图像采集的结构。例如，手机、平板电脑或可穿戴式设备等，用户可利用所述图像采集的结构进行图像的采集。例如，用户利用手机进行室外拍照，但是通常会存在这样的情况，用户在拍照的瞬间，由于按下拍照键的时机把握不好，明明想怕睁眼的照片，确拍下的是闭眼的照片，这样的话用户就不得不重拍。显然这样的图像采集结构还是不够智能，导致用户操作繁琐等问题。
发明内容
有鉴于此，本发明实施例期望提供一种图像采集方法、装置和计算机存储介质，以解决上述问题。
本发明的技术方案是这样实现的：
本发明实施例第一方面提供一种图像采集方法，所述方法包括：拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；存储所述N张预览图像；当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
基于上述方案，所述当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一 张存储为本次图像采集的采集图像，包括：当检测到采集完成操作时，根据N张所述预览图像中采集对象的眼睛睁闭状态，从N张所述预览图像中选择一张存储为本次图像采集的采集图像。
基于上述方案，所述当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像，包括：若所述N张所述预览图像至少有一张所述预览图像中所述采集对象的眼睛为睁开状态，则从N张所述预览图像中选择眼睛睁开且清晰度最高的所述预览图像作为所述采集图像存储。
基于上述方案，所述当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像，还包括：若所述N张所述预览图像各所述预览图像中所述采集对象的眼睛均为闭合状态，则从N张所述预览图像中选择一张清晰度最高的所述预览图像作为所述采集图像存储。
基于上述方案，所述N张预览图像均为包括至少两个采集对象的图像；
所述当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像，包括：从所述N张预览图像中选择出所有采集对象的眼睛均睁开的预览图像，存储为本次图像采集的采集图像；所述方法还包括：若所述N张预览图像中没有所有采集对象的眼睛均睁开的预览图像，则基于所述N张预览图像合成一张所有采集对象的眼睛均睁开的合成图像；将所述合成图像存储为本次图像采集的采图像。
基于上述方案，所述预设部位的呈现状态包括第一状态和第二状态；所述当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像，包括：统计所述N张预览图像中所述预设部位呈现状态为 第一状态的第一张数，和所述预设部位呈现状态为所述第二状态的第二张数；若所述第一张数不小于所述第二张数，则将所述预设部位呈现状态为第一状态的预览图像中清晰度最高的一张存储为所述采集图像；若所述第二张数大于所述第一张数，则将所述预设部位呈现状态为第二状态的预览图像中清晰度最高的一张存储为所述采集图像。
基于上述方案，所述方法还包括：
删除所述N张预览图像中除所述采集图像之外的N-1张所述预览图像。
基于上述方案，所述存储所述N张预览图像，包括：
缓存所述N张预览图像。
基于上述方案，所述缓存所述N张预览图像，包括：
利用先进先出队列缓存所述N张预览图像；
其中，所述先进先出队列最多缓存M张预览图像；所述M为不小于2的整数；所述N为不大于所述M。
基于上述方案，所述拍照时进行图像预览生成N张预览图像，包括：
在进入拍照状态后并在检测到所述采集完成操作之前，按照预设时间间隔采集所述预览图像。
本发明实施例第二方面提供一种图像采集装置，所述装置包括：采集单元，配置为拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；第一存储单元，配置为存储所述N张预览图像；第二存储单元，配置为当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
基于上述方案，所述第二存储单元，配置为当检测到采集完成操作时，根据N张所述预览图像中采集对象的眼睛睁闭状态，从N张所述预览图像中选择一张存储为本次图像采集的采集图像。
基于上述方案，所述第二存储单元，配置为若所述N张所述预览图像 至少有一张所述预览图像中所述采集对象的眼睛为睁开状态，则从N张所述预览图像中选择眼睛睁开且清晰度最高的所述预览图像作为所述采集图像存储。
基于上述方案，所述第二存储单元，配置为若所述N张所述预览图像各所述预览图像中所述采集对象的眼睛均为闭合状态，则从N张所述预览图像中选择一张清晰度最高的所述预览图像作为所述采集图像存储。
基于上述方案，所述N张预览图像均为包括至少两个采集对象的图像；
所述第二存储单元，配置为从所述N张预览图像中选择出所有采集对象的眼睛均睁开的预览图像，存储为本次图像采集的采集图像；所述装置还包括：合成单元，配置为若所述N张预览图像中没有所有采集对象的眼睛均睁开的预览图像，则基于所述N张预览图像合成一张所有采集对象的眼睛均睁开的合成图像；所述第二存储单元，还配置为将所述合成图像存储为本次图像采集的采图像。
基于上述方案，所述预设部位的呈现状态包括第一状态和第二状态；所述第二存储单元，配置为统计所述N张预览图像中所述预设部位呈现状态为第一状态的第一张数，和所述预设部位呈现状态为所述第二状态的第二张数；若所述第一张数不小于所述第二张数，则将所述预设部位呈现状态为第一状态的预览图像中清晰度最高的一张存储为所述采集图像；若所述第二张数大于所述第一张数，则将所述预设部位呈现状态为第二状态的预览图像中清晰度最高的一张存储为所述采集图像。
基于上述方案，所述装置还包括：
删除单元，配置为删除所述N张预览图像中除所述采集图像之外的N-1张所述预览图像。
基于上述方案，所述第一存储单元为缓存单元，配置为缓存所述N张预览图像。
基于上述方案，所述缓存单元，配置为利用先进先出队列缓存所述N 张预览图像；
其中，所述先进先出队列最多缓存M张预览图像；所述M为不小于2的整数；所述N为不大于所述M。
本发明实施例第三方面还提供一种计算机存储介质，所述计算机存储介质中存储有计算机可执行指令，所述计算机可执行指令用于执行前述任意一个图像采集方法。
本发明实施例提供的图像采集方法、装置和计算机存储介质，在拍照时进行图像预览时会生成N张预览图像，并存储这N张预览图像；在检测到采集完成操作之后，会根据预览图像中采集对象的预设部分的呈现状态从这N张预览图像中选择出一张进行存储。这样就可以大大的减少在图像采集过程中，预设部位无法一直保持预先状态导致的图像反复采集的现象，提高了图像采集装置的智能性，简化了用户操作，提高了一次性成功采集到预设部位所需呈现状态的采集图像的概率，及用户使用满意度。
附图说明
图1为本发明实施例提供的电子设备的结构示意图；
图2为本发明实施例所述用于图像采集的采集结构的结构示意图；
图3为本发明实施例提供的一种图像采集方法的流程示意图；
图4为本发明实施例提供的另一种图像采集方法的流程示意图；
图5A为本发明实施例提供的一种采集图像选择效果示意图；
图5B为本发明实施例提供的一种合成图像生成效果示意图；
图6为本发明实施例提供的图像采集装置的结构示意图；
图7为本发明实施例提供的形成并缓存预览图像的流程示意图；
图8为本发明实施例提供的选择一张预览图像保存的流程示意图。
具体实施方式
以下结合说明书附图及具体实施例对本发明的技术方案做进一步的详细阐述，应当理解，以下所说明的可选实施例仅用于说明和解释本发明，并不用于限定本发明。
本实施例所述图像采集方法可应用于各种类型的电子设备中。本实施例所述电子设备可包括各种类型的移动终端或固定终端。
现在将参考附图描述实现本发明各个实施例的移动终端。在后续的描述中，使用用于表示元件的诸如“模块”、“部件”或“单元”的后缀仅为了有利于本发明的说明，其本身并没有特定的意义。因此，"模块"与"部件"可以混合地使用。
移动终端可以以各种形式来实施。例如，本发明中描述的终端可以包括诸如移动电话、智能电话、笔记本电脑、数字广播接收器、PDA(个人数字助理)、PAD(平板电脑)、PMP(便携式多媒体播放器)、导航装置等等的移动终端以及诸如数字TV、台式计算机等等的固定终端。下面，假设终端是移动终端。然而，本领域技术人员将理解的是，除了特别用于移动目的的元件之外，根据本发明的实施方式的构造也能够应用于固定类型的终端。
图1为实现本发明各个实施例的移动终端的硬件结构示意。
移动终端100可以包括无线通信单元110、A/V(音频/视频)输入单元120、用户输入单元130、输出单元150、存储器160、接口单元170、控制器180和电源单元190等等。图1示出了具有各种组件的移动终端，但是应理解的是，并不要求实施所有示出的组件。可以替代地实施更多或更少的组件。将在下面详细描述移动终端的元件。
无线通信单元110通常包括一个或多个组件，其允许移动终端100与无线通信系统或网络之间的无线电通信。例如，无线通信单元可以包括广播接收模块111、移动通信模块112、无线互联网模块113和短程通信模块 114中的至少一个。
广播接收模块111经由广播信道从外部广播管理服务器接收广播信号和/或广播相关信息。广播信道可以包括卫星信道和/或地面信道。广播管理服务器可以是生成并发送广播信号和/或广播相关信息的服务器或者接收之前生成的广播信号和/或广播相关信息并且将其发送给终端的服务器。广播信号可以包括TV广播信号、无线电广播信号、数据广播信号等等。而且，广播信号可以进一步包括与TV或无线电广播信号组合的广播信号。广播相关信息也可以经由移动通信网络提供，并且在该情况下，广播相关信息可以由移动通信模块112来接收。广播信号可以以各种形式存在，例如，其可以以数字多媒体广播(DMB)的电子节目指南(EPG)、数字视频广播手持(DVB-H)的电子服务指南(ESG)等等的形式而存在。广播接收模块111可以通过使用各种类型的广播系统接收信号广播。特别地，广播接收模块111可以通过使用诸如多媒体广播-地面(DMB-T)、数字多媒体广播-卫星(DMB-S)、数字视频广播-手持(DVB-H)，前向链路媒体(MediaFLO@)的数据广播系统、地面数字广播综合服务(ISDB-T)等等的数字广播系统接收数字广播。广播接收模块111可以被构造为适合提供广播信号的各种广播系统以及上述数字广播系统。经由广播接收模块111接收的广播信号和/或广播相关信息可以存储在存储器160(或者其它类型的存储介质)中。
移动通信模块112将无线电信号发送到基站(例如，接入点、节点B等等)、外部终端以及服务器中的至少一个和/或从其接收无线电信号。这样的无线电信号可以包括语音通话信号、视频通话信号、或者根据文本和/或多媒体消息发送和/或接收的各种类型的数据。
无线互联网模块113支持移动终端的无线互联网接入。该模块可以内部或外部地耦接到终端。该模块所涉及的无线互联网接入技术可以包括WLAN(无线LAN)(Wi-Fi)、Wibro(无线宽带)、Wimax(全球微波互联接入)、HSDPA(高速下行链路分组接入)等等。
短程通信模块114是用于支持短程通信的模块。短程通信技术的一些示例包括蓝牙TM、射频识别(RFID)、红外数据协会(IrDA)、超宽带(UWB)、紫蜂TM等等。
A/V输入单元120用于接收音频或视频信号。A/V输入单元120可以包括相机121和麦克风1220，相机121对在视频捕获模式或图像捕获模式中由图像捕获装置获得的静态图片或视频的图像数据进行处理。处理后的图像帧可以显示在显示单元151上。经相机121处理后的图像帧可以存储在存储器160(或其它存储介质)中或者经由无线通信单元110进行发送，可以根据移动终端的构造提供两个或更多相机1210。麦克风122可以在电话通话模式、记录模式、语音识别模式等等运行模式中经由麦克风接收声音(音频数据)，并且能够将这样的声音处理为音频数据。处理后的音频(语音)数据可以在电话通话模式的情况下转换为可经由移动通信模块112发送到移动通信基站的格式输出。麦克风122可以实施各种类型的噪声消除(或抑制)算法以消除(或抑制)在接收和发送音频信号的过程中产生的噪声或者干扰。
用户输入单元130可以根据用户输入的命令生成键输入数据以控制移动终端的各种操作。用户输入单元130允许用户输入各种类型的信息，并且可以包括键盘、锅仔片、触摸板(例如，检测由于被接触而导致的电阻、压力、电容等等的变化的触敏组件)、滚轮、摇杆等等。特别地，当触摸板以层的形式叠加在显示单元151上时，可以形成触摸屏。
接口单元170用作至少一个外部装置与移动终端100连接可以通过的接口。例如，外部装置可以包括有线或无线头戴式耳机端口、外部电源(或电池放电器)端口、有线或无线数据端口、存储卡端口、用于连接具有识别模块的装置的端口、音频输入/输出(I/O)端口、视频I/O端口、耳机端口等等。识别模块可以是存储用于验证用户使用移动终端100的各种信息并且可以包括用户识别模块(UIM)、客户识别模块(SIM)、通用客户识别模块(USIM)等等。另外，具有识别模块的装置(下面称为"识别装置")可以采取智 能卡的形式，因此，识别装置可以经由端口或其它连接装置与移动终端100连接。接口单元170可以用于接收来自外部装置的输入(例如，数据信息、电力等等)并且将接收到的输入传输到移动终端100内的一个或多个元件或者可以用于在移动终端和外部装置之间传输数据。
另外，当移动终端100与外部底座连接时，接口单元170可以用作允许通过其将电力从底座提供到移动终端100的路径或者可以用作允许从底座输入的各种命令信号通过其传输到移动终端的路径。从底座输入的各种命令信号或电力可以用作用于识别移动终端是否准确地安装在底座上的信号。输出单元150被构造为以视觉、音频和/或触觉方式提供输出信号(例如，音频信号、视频信号、警报信号、振动信号等等)。输出单元150可以包括显示单元151、音频输出模块152等等。
显示单元151可以显示在移动终端100中处理的信息。例如，当移动终端100处于电话通话模式时，显示单元151可以显示与通话或其它通信(例如，文本消息收发、多媒体文件下载等等)相关的用户界面(UI)或图形用户界面(GUI)。当移动终端100处于视频通话模式或者图像捕获模式时，显示单元151可以显示捕获的图像和/或接收的图像、示出视频或图像以及相关功能的UI或GUI等等。
同时，当显示单元151和触摸板以层的形式彼此叠加以形成触摸屏时，显示单元151可以用作输入装置和输出装置。显示单元151可以包括液晶显示器(LCD)、薄膜晶体管LCD(TFT-LCD)、有机发光二极管(OLED)显示器、柔性显示器、三维(3D)显示器等等中的至少一种。这些显示器中的一些可以被构造为透明状以允许用户从外部观看，这可以称为透明显示器，典型的透明显示器可以例如为TOLED(透明有机发光二极管)显示器等等。根据特定想要的实施方式，移动终端100可以包括两个或更多显示单元(或其它显示装置)，例如，移动终端可以包括外部显示单元(未示出)和内部显示单元(未示出)。触摸屏可用于检测触摸输入压力以及触摸输入位置和触摸输 入面积。
音频输出模块152可以在移动终端处于呼叫信号接收模式、通话模式、记录模式、语音识别模式、广播接收模式等等模式下时，将无线通信单元110接收的或者在存储器160中存储的音频数据转换音频信号并且输出为声音。而且，音频输出模块152可以提供与移动终端100执行的特定功能相关的音频输出(例如，呼叫信号接收声音、消息接收声音等等)。音频输出模块152可以包括扬声器、蜂鸣器等等。
存储器160可以存储由控制器180执行的处理和控制操作的软件程序等等，或者可以暂时地存储己经输出或将要输出的数据(例如，电话簿、消息、静态图像、视频等等)。而且，存储器160可以存储关于当触摸施加到触摸屏时输出的各种方式的振动和音频信号的数据。
存储器160可以包括至少一种类型的存储介质，所述存储介质包括闪存、硬盘、多媒体卡、卡型存储器(例如，SD或DX存储器等等)、随机访问存储器(RAM)、静态随机访问存储器(SRAM)、只读存储器(ROM)、电可擦除可编程只读存储器(EEPROM)、可编程只读存储器(PROM)、磁性存储器、磁盘、光盘等等。而且，移动终端100可以与通过网络连接执行存储器160的存储功能的网络存储装置协作。
控制器180通常控制移动终端的总体操作。例如，控制器180执行与语音通话、数据通信、视频通话等等相关的控制和处理。另外，控制器180可以包括用于再现(或回放)多媒体数据的多媒体模块181，多媒体模块181可以构造在控制器180内，或者可以构造为与控制器180分离。控制器180可以执行模式识别处理，以将在触摸屏上执行的手写输入或者图片绘制输入识别为字符或图像。
电源单元190在控制器180的控制下接收外部电力或内部电力并且提供操作各元件和组件所需的适当的电力。
这里描述的各种实施方式可以以使用例如计算机软件、硬件或其任何 组合的计算机可读介质来实施。对于硬件实施，这里描述的实施方式可以通过使用特定用途集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理装置(DSPD)、可编程逻辑装置(PLD)、现场可编程门阵列(FPGA)、处理器、控制器、微控制器、微处理器、被设计为执行这里描述的功能的电子单元中的至少一种来实施，在一些情况下，这样的实施方式可以在控制器180中实施。对于软件实施，诸如过程或功能的实施方式可以与允许执行至少一种功能或操作的单独的软件模块来实施。软件代码可以由以任何适当的编程语言编写的软件应用程序(或程序)来实施，软件代码可以存储在存储器160中并且由控制器180执行。
至此，己经按照其功能描述了移动终端。下面，为了简要起见，将描述诸如折叠型、直板型、摆动型、滑动型移动终端等等的各种类型的移动终端中的滑动型移动终端作为示例。因此，本发明能够应用于任何类型的移动终端，并且不限于滑动型移动终端。
如图1中所示的移动终端100可以被构造为利用经由帧或分组发送数据的诸如有线和无线通信系统以及基于卫星的通信系统来操作。
图2是表示本发明实施提供一种照相机或摄像机等用于图像采集的采集结果。摄影镜头301由用于形成被摄体像的多个光学镜头构成，是单焦点镜头或变焦镜头。摄影镜头301能够通过镜头驱动部311在光轴方向上移动，根据来自镜头驱动控制部312的控制信号，控制摄影镜头301的焦点位置，在变焦镜头的情况下，也控制焦点距离。镜头驱动控制电路312按照来自微型计算机307的控制命令进行镜头驱动部311的驱动控制。
在摄影镜头301的光轴上、由摄影镜头301形成被摄体像的位置附近配置有摄像元件302。摄像元件302发挥作为对被摄体像摄像并取得摄像图像数据的摄像部的功能。在摄像元件302上二维地呈矩阵状配置有构成各像素的光电二极管。各光电二极管产生与受光量对应的光电转换电流，该光电转换电流由与各光电二极管连接的电容器进行电荷蓄积。各像素的前 表面配置有拜耳排列的RGB滤色器。
摄像元件302与摄像电路303连接，该摄像电路303在摄像元件302中进行电荷蓄积控制和图像信号读出控制，对该读出的图像信号(模拟图像信号)降低重置噪声后进行波形整形，进而进行增益提高等以成为适当的信号电平。
摄像电路303与A/D转换部304连接，该A/D转换部304对模拟图像信号进行模数转换，向总线399输出数字图像信号(以下称之为图像数据)。
总线399是用于传送在相机的内部读出或生成的各种数据的传送路径。在总线399连接着上述A/D转换部304，此外还连接着图像处理器305、JPEG处理器306、微型计算机307、SDRAM(Synchronous DRAM)308、存储器接口(以下称之为存储器I/F)309、LCD(液晶显示器：Liquid Crystal Display)驱动器310。
图像处理器305对基于摄像元件302的输出的图像数据进行OB相减处理、白平衡调整、颜色矩阵运算、伽马转换、色差信号处理、噪声去除处理、同时化处理、边缘处理等各种图像处理。JPEG处理器306在将图像数据记录于记录介质315时，按照JPEG压缩方式压缩从SDRAM308读出的图像数据。此外，JPEG处理器306为了进行图像再现显示而进行JPEG图像数据的解压缩。进行解压缩时，读出记录在记录介质315中的文件，在JPEG处理器306中实施了解压缩处理后，将解压缩的图像数据暂时存储于SDRAM308中并在LCD316上进行显示。另外，在本实施方式中，作为图像压缩解压缩方式采用的是JPEG方式，然而压缩解压缩方式不限于此，当然可以采用MPEG、TIFF、H.264等其他的压缩解压缩方式。
微型计算机307发挥作为该相机整体的控制部的功能，统一控制相机的各种处理序列。微型计算机307连接着操作单元313和闪存314。
操作单元313包括但不限于实体按键或者虚拟按键，该实体或虚拟按键可以为电源按钮、拍照键、编辑按键、动态图像按钮、再现按钮、菜单 按钮、十字键、OK按钮、删除按钮、放大按钮等各种输入按钮和各种输入键等操作部材，检测这些操作部材的操作状态，。
将检测结果向微型计算机307输出。此外，在作为显示部的LCD316的前表面设有触摸面板，检测用户的触摸位置，将该触摸位置向微型计算机307输出。微型计算机307根据来自操作单元313的操作部材的检测结果，执行与用户的操作对应的各种处理序列。(同样，可以把这个地方改成计算机307根据LCD316前面的触摸面板的检测结果，执行与用户的操作对应的各种处理序列。)
闪存314存储用于执行微型计算机307的各种处理序列的程序。所述微型计算机307通过执行所述程序，至少可以实现以下操作：
拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；存储所述N张预览图像；当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
一方面，所述当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像，包括：当检测到采集完成操作时，根据N张所述预览图像中采集对象的眼睛睁闭状态，从N张所述预览图像中选择一张存储为本次图像采集的采集图像。
另一方面，所述当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像，包括：若所述N张所述预览图像至少有一张所述预览图像中所述采集对象的眼睛为睁开状态，则从N张所述预览图像中选择眼睛睁开且清晰度最高的所述预览图像作为所述采集图像存储。
此外，所述当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为 本次图像采集的采集图像，还包括：若所述N张所述预览图像各所述预览图像中所述采集对象的眼睛均为闭合状态，则从N张所述预览图像中选择一张清晰度最高的所述预览图像作为所述采集图像存储。
所述N张预览图像均为包括至少两个采集对象的图像。所述方法还包括：
若所述N张预览图像中没有所有采集对象的眼睛均睁开的预览图像，则基于所述N张预览图像合成一张所有采集对象的眼睛均睁开的合成图像；将所述合成图像存储为本次图像采集的采图像。
与此同时，所述预设部位的呈现状态包括第一状态和第二状态；所述当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像，包括：统计所述N张预览图像中所述预设部位呈现状态为第一状态的第一张数，和所述预设部位呈现状态为所述第二状态的第二张数；若所述第一张数不小于所述第二张数，则将所述预设部位呈现状态为第一状态的预览图像中清晰度最高的一张存储为所述采集图像；若所述第二张数大于所述第一张数，则将所述预设部位呈现状态为第二状态的预览图像中清晰度最高的一张存储为所述采集图像。
微型计算机307根据该程序进行相机整体的控制。此外，闪存314存储相机的各种调整值，微型计算机307读出调整值，按照该调整值进行相机的控制。
SDRAM 308是用于对图像数据等进行暂时存储的可电改写的易失性存储器。该SDRAM 308暂时存储从A/D转换部304输出的图像数据和在图像处理器305、JPEG处理器306等中进行了处理后的图像数据。
存储器接口309与记录介质315连接，进行将图像数据和附加在图像数据中的文件头等数据写入记录介质315和从记录介质315中读出的控制。记录介质315例如为能够在相机主体上自由拆装的存储器卡等记录介质， 然而不限于此，也可以是内置在相机主体中的硬盘等。
LCD驱动器310与LCD316连接，将由图像处理器305处理后的图像数据存储于SDRAM，需要显示时，读取SDRAM存储的图像数据并在LCD316上显示，或者，JPEG处理器306压缩过的图像数据存储于SDRAM，在需要显示时，JPEG处理器306读取SDRAM的压缩过的图像数据，再进行解压缩，将解压缩后的图像数据通过LCD316进行显示。
LCD316配置在相机主体的背面等上，进行图像显示。该LCD316设有检测用户的触摸操作的触摸面板。另外，作为显示部，在本实施方式中配置的是液晶表示面板(LCD316)，然而不限于此，也可以采用有机EL等各种显示面板。
基于上述电子设备或移动终端的硬件结构，提出本发明方法各个实施例。
实施例一：
如图3所示，本实施例提供一种图像采集方法，所述方法包括：
步骤S110：拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；
步骤S120：存储所述N张预览图像；
步骤S130：当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
本实施例所述图像采集方法可以应用于上述的电子设备中，具体如，包括图像采集功能的手机、平板电脑或可穿戴式设备、笔记本电脑或台式电脑等电子设备。
所述步骤S110中拍照时进行图像预览生成N张预览图像，例如，打开照相机，照相机开始捕获图像，这个时候用户一般可以有显示屏的电子设备上看到预览形成的图像，这个时候形成的图像可为所述预览图像。在本 实施例中所述步骤S110在检测到确定采集操作之前，可形成1张或多张预览图像。例如，在所述步骤S110中图像采集装置中的采集单元每隔指定时长形成一张所述预览图像。这里的指定时长可为预先设置的时长，例如0.05秒或0.01秒等时间长度。这样的话，在一定的时长内，就能形成多张预览图像。在本实施例中所述步骤S110可为：当所述采集单元进入采集状态(即拍照状态)之后，就开始按照预设时间间隔进行图像预览(即进行图像采集)生成预览图像，直至检测到所述采集完成操作。这样的话，所述图像采集装置只要进入采集状态，就开始进行预览图像的采集和显示，当用户看到显示的自己满意的预览图像或时间够久了，就会执行采集完成操作，这个时候图像采集装置就会采集到采集完成操作。然后通过步骤S120和步骤S130的操作，图像采集装置就可以自能选择出高质量的满足用户要求的预览图像存储为本次的采集图像，从而提升了采集图像的采集质量，避免了用户在认为图像质量差时的反复采集和频繁操作。
在步骤S120中将会存储采集生成的N张预览图像；这里的存储可包括缓存所述N张预览图像。这里的缓存可理解为临时存储，若释放缓存中的信息，则这N张预览图像就会丢失。当然步骤S120中的所述存储也可以为存储在硬盘等存储操作，这样的话，在步骤S120中就存储了N张预览图像，在步骤S130中将从存储的N张预览图像中选择一张作为本次图像采集的采集图像。为了减少预览图像占用的存储空间，在执行完步骤S130之后，所述方法还可包括自动删除另外N-1张预览图像。
当然在具体实现时，所述步骤S120中的存储，也可以为永久存储，以免采用缓存出现掉电等问题导致的预览图像的丢失；这样的话，在执行完步骤S130之后，还包括删除除本次采集的采集图像以外的N-1张预览图像，以减少采集图像对设备的存储空间的占用。
在步骤S130中所述的检测采集完成操作，可包括检测到用户按压了拍照键等确认完成了图像采集的操作。这里的拍照键可以是实体键也可以是 虚拟键。若电子设备检测到了用户输入了指示采集完成指令，相当于指示电子设备可以暂时终止预览图像的捕获和生成。
在步骤S130中将分析所述张预览图像中采集对象的预设部位的呈现状态。这里的采集对象可为预览图像中人物图形、动物图形或物体图形。本实施例这里的采集对象可选为对应于为能够活动的人物、动物或物体。所述人物图形为对人进行图像采集形成的图像；所述动物图形为对动物进行采集形成图像；所述物体图形可为对物体进行采集形成的图形。这里的物体可包括车辆及湖水等。所述预设部位为采集对象的一部分，例如人物图形中的眼睛、动物图形中的眼睛或尾巴或公交车的车牌等。
本实施例中所述预设部位的呈现状态，为所述采集对象的预设部位在各个预览图像中呈现的模样或姿态。例如，人物的眼睛是睁开的还是闭合的。动物的耳朵是直立的，还是耷拉的；公交车的车牌是被其他问题遮挡的还是未被遮挡的。
在本实施例中所述预设部位的呈现状态，可以通过各种特征识别技术来实现。例如，通过人脸识别确定眼睛是睁开的还是闭合的，例如可通过瞳孔定位或人脸识别来确定。若从预览图像中进行瞳孔定位未成功，可表明当前预览图像中人物的眼睛是闭合的，再比如利用人脸识别来识别人物的眼睛。总之，识别采集对象的预设部位在预览图像中的呈现状态的方式有很多种，在此就不一一举例了。
在本实施例步骤S130中将根据预设部位在各个预览图像中的呈现状态，选择一张存储本次图像采集的采集图像。步骤S130中的存储为非瞬间存储，即图像采集装置在正常关闭后再次打开仍然可以查看到该采集图像。通常步骤S130中的存储的采集图像，在未接收到删除指令时，所述电子设备不会因为掉电等原因自动删除所述采集图像。
显然本实施例所述的图像采集方法，利用图像预览的时间，采集N张预览图像，当检测采集完成操作时，就从N张预览图像中选择一张预览图 像作为最终采集形成的图像，显然相对于现有技术中仅在检测确认采集操作时采集的图像作为预览图像，有更大的可能性采集到用户想要的图像，提高了图像采集装置的智能性及用户的使用满意度。
实施例二：
如图3所示，本实施例提供一种图像采集方法，所述方法包括：
步骤S110：拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；
步骤S120：存储所述N张预览图像；
步骤S130：当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
所述步骤S130包括：
当检测到采集完成操作时，根据N张所述预览图像中采集对象的眼睛睁闭状态，从N张所述预览图像中选择一张存储为本次图像采集的采集图像。
在本实施例中所述采集对象为包括眼睛的人物图形或动物图形等。所述眼睛即为前述的所述预设部位。在本实施例中，所述步骤S130中将根据所述眼睛的睁闭状态，选择一张预览图像作为最终的采集图像进行存储。
在一些实施例中，以下提供二种基于本实施例所述步骤S130的可选方案：
方案一：
所述步骤S130可包括：
若所述N张所述预览图像至少有一张所述预览图像中所述采集对象的眼睛为睁开状态，则从N张所述预览图像中选择眼睛睁开且清晰度最高的所述预览图像作为所述采集图像存储。
方案二：
所述步骤S130还可包括：
若所述N张所述预览图像各所述预览图像中所述采集对象的眼睛均为闭合状态，则从N张所述预览图像中选择一张清晰度最高的所述预览图像作为所述采集图像存储。
以采集对象为人物为例，若用户想采集睁开眼睛的照片，则在图像预览的过程中，用户将会睁开眼睛，当然也会有眨眼的时候，但是通常在这种情况下，眨眼的时间少于用户睁眼的时间。显然N张预览图像中不包括睁眼的预览图像的概率是非常小的，故在本实施例中将会采集方案一来确定最终的采集图像。显然会从N张预览图像中选择采集对象的眼睛睁开的一张作为所述采集图像。为了提高图像的质量，在本实施例中还会选择清晰度最高的一张眼睛睁开的预览图像作为所述采集图像，显然这样就可以刷去哪些因对焦不清晰或运动导致的模糊等质量不好的预览图像。这样不仅能够采集到用户想要的状态的照片，还能够提升采集图像的采集质量。
若用户特意想要采集闭眼的照片，则通常这个时候用户会保持闭眼的状态，一般采集完之后采集者会告知被采集用户睁眼。故在本实施例的方案二中，将直接在N张采集图像中所有采集对象的眼睛都处于闭合状态时，从N张预览图像中选择清晰度最高的一张，作为所述最终的采集图像。这样的话，也实现了用户故意对闭眼状态的采集，且由于是从N张预览图像中选择了清晰度最高的一张，相对于现有技术采集图像的清晰度高的概率更大；从而也提升了图像采集的质量。
如图5A所示，通过步骤S110采集形成了3张预览图像，图5A中最左边的一张预览图像人像眼睛睁开且图像清晰，图5A的3张预览图像中的中间一张，人像是眯眼的，最右边一张预览图像人像也是睁开眼睛的，但是出现了重影，导致清晰度低。利用本实施例所述的图像采集方法，将会选择采集对象(即所述人像)眼睛睁开且清晰度最高的一张预览图像作为本次图像采集的采集图像，故如图5A所示，将3张预览图像中的最左边一 张选择为本次图像采集的采集图像。这里的眯眼表示眼睛处于闭合状态。
实施例三：
如图3所示，本实施例提供一种图像采集方法，所述方法包括：
步骤S110：拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；
步骤S120：存储所述N张预览图像；
步骤S130：当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
所述存储所述N张预览图像，包括：
利用先进先出队列存储所述N张预览图像；
其中，所述先进先出队列最多缓存M张预览图像；所述M为不小于2的整数；所述N为不大于所述M。这样的话，当在所述图像预览期间形成的预览图像的张数多于所述M时，所述先进先出队列将丢弃先缓存进入所述先进先出的队列的所述预览图像。
本实施例为在前述实施例一或实施例二任意一个方案上的进一步改进。在本实施例中利用先进先出(First In First Out，FIFO)来存储所述N张预览图像。FIFO的特点是，先存储进入所述队列的预览图像，在队列满了的时候会被最先推出队列。若预览图像被推出队列相当于就删除了该预览图像。在本实施例中所述FIFO的存储容量为M张预览图像。
在步骤S110中图像预览的时间较长或预览图像的形成速度较快，导致形成的预览图像较多时，利用FIFO来进行预览图像的存储就可能导致满队列的状况。若在进行图像采集时，用户控制图像采集单元的图像预览时间较长，表明用户一直调整试图找到自己满意的状态，且该满意的图像采集状态应该最靠近用户向图像采集单元施加所述确定采集操作的时间点。故在本实施例中利用FIFO来存储所述预览图像，若形成的预览图像的张数多 余所述M时，则最早形成的预览图像将会被从所述FIFO中丢弃。利用FIFO来进行预览图像的缓存，负荷图像采集的应用场景，一方面限定了预览图像缓存的张数，可以避免后续选择时的高复杂度和高计算量，同时利用FIFO来进行图像缓存，能够最大限度的缓存住用户想要的图像，提高了图像采集装置的智能性及用户使用满意度。
实施例四：
如图3所示，本实施例提供一种图像采集方法，所述方法包括：
步骤S110：拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；
步骤S120：存储所述N张预览图像；
步骤S130：当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
所述预设部位的呈现状态包括第一状态和第二状态；
所述步骤S130可包括：
统计所述N张预览图像中所述预设部位呈现状态为第一状态的第一张数，和所述预设部位呈现状态为所述第二状态的第二张数；
若所述第一张数不小于所述第二张数，则将所述预设部位呈现状态为第一状态的预览图像中清晰度最高的一张存储为所述采集图像；
若所述第二张数大于所述第一张数，则将所述预设部位呈现状态为第二状态的预览图像中清晰度最高的一张存储为所述采集图像。
在本实施例中再以采集对象的眼睛为例，所述第一状态可为眼睛的睁开状态，所述第二状态可为眼睛的闭合状态。在本实施例中确定选择采集图像中呈现采集对象的第一状态还是第二状态，是根据所述与预设部位各个呈现状态包括的预览图像的张数。本实施例采用统计的方式来动态确定采集图像中所述与设备部位的呈现状态。例如用户想采集睁眼状态的人物， 显然采集对象的因故意保持睁眼状态，一般情况下睁眼状态的持续时间会比闭眼状态的时间长，这样显然可以通过统计第一张数和第二张数选择出睁眼状态的预览图像作为采集图像。当然用户若想采集闭眼状态的任务，显然采集对象因故意保持闭眼状态，一般情况下睁眼状态的持续时间会比闭眼状态的时间长，这样显然可以通过统计第一张数和第二张数选择出闭眼状态的预览图像作为采集图像。
当然本实施例所述采集对象还可为动物等具有呈现状态切换的一切采集对象。所述预设部位为采集对象上的一个部分，不局限于本实施例中的眼睛。
且在本实施例中也是选择第一状态或第二状态中清晰度最高的一张预览图像作为所述采集图像，显然可以提高采集图像的质量，提高用户采集的满意度。
本实施例至少是在实施例一或实施例五的基础上的进一步改进，同样可以利用FIFO来进行预览图像的缓存。且本实施例所述的图像采集方法具有实现即便及图像采集装置智能性高的特点。
实施例五：
如图3所示，本实施例提供一种图像采集方法，所述方法包括：
步骤S110：拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；
步骤S120：存储所述N张预览图像；
步骤S130：当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
所述N张预览图像均为包括至少两个采集对象的图像。所述步骤S130可包括：从所述N张预览图像中选择出所有采集对象的眼睛均睁开的预览图像，存储为本次图像采集的采集图像。
如图4所示，所述方法还包括：
步骤S140：若所述N张预览图像中没有所有采集对象的眼睛均睁开的预览图像，则基于所述N张预览图像合成一张所有采集对象的眼睛均睁开的合成图像；
步骤S150：将所述合成图像存储为本次图像采集的采图像。
在本实施例中为了提高电子设备的智能性，减少反复的进行图像采集，提高图像采集的效果。在本实施例中还增加了步骤S140和步骤S150。在本实施例步骤S140中，确定出所有预览图像中没有一张预览图像中所有采集对象都是睁开眼睛的，则会从N张预览图像中选择至少两张图像进行图像合成，生成合成图像。这里的合成图像中每一个预览对象的眼睛都是睁开的，这样就生成了一张各个采集对象的眼睛都睁开的图像，在步骤S150中将该合成图像存储为本次图像采集的采集图像，这样用户看到该采集图像时，就有很大的几率会表示满意，从而避免用户指示电子设备再次进行采集，避免了反复采集，提升了电子设备的智能性及用户使用满意度。
在具体的实施过程中，所述步骤S140中可包括：
从N张预览图像中选择出各个采集对象均满足预设清晰度条件的M张预览图像，所述M不大于所述N的正整数；
将M张所述预览图像进行图像合成，形成合成图像。其中，所述合成图像包括所有的采集对象，且这些采集对象的眼睛均是睁开的，且这些采集对象的清晰度都满足所述预设清晰度条件。这里的从N张预览图像中选择出各个采集对象均满足预设清晰度条件的M张预览图像可包括：选择出每一个采集对象眼睛睁开且清晰度最高的预览图像，组成所述M张预览图像；当然也可以包括：选择每一个采集对象的清晰度大于清晰度阈值的预览图像，组成所述M张预览图像。在图像的合成过程中，通过抠图和贴图等图像处理技术，进行图像合成，形成所述合成图像。
如图5B所示，利用步骤S110采集了3张包括4个人像的预览图像， 在图5B所示的3张预览图像中的最左边一张，女生人像出现了眯眼，中间一张预览图像最前排的男生人像出现了眯眼，最右边的一张图像最后排的靠近中间位置的男生人像出现了眯眼，导致3张预览图像中没有一张预览图像中所有人像都睁开眼的。故执行步骤S140进行图像合成，形成如图5B中所示的很成图像。本实施例所述图像采集方法还会将所述合成图像视为本次图像采集的采集图像进行存储，这样用户查看本次图像采集效果时，将看到的是合成图像，合成图像中各个采集对象的眼睛都是睁开的，显然用户的满意的概率会增大，可以减少反复采集。
实施例六：
如图6所示，本实施例提供一种图像采集装置，所述装置包括：
采集单元410，配置为拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；
第一存储单元420，配置为存储所述N张预览图像；
第二存储单元430，配置为当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
本实施例中所述图像采集装置可为任意能够进图像采集的结构，具体可对应于相机、摄像机、手机、平板电脑、笔记本电脑或可穿戴式设备等各种电子设备。
本实施例所述采集单元410对应于照相机或摄像机等具有图像采集功能的结构。在本实施例中利用采集单元410进行图像预览期间，将会形成预览图像。在本实施例中还包括第一存储单元420，该第一存储单元420将分别存储所述N张预览图像，这里的第一存储单元420可对应于各种存储介质，在本实施例中所述第一存储单元420还可对应于缓存；缓存为一种临时存储介质，可以暂时性的存储数据。在本实施例中所述第一存储单元420将被利用于存储N张所述预览图像。
在本实施例还包括第二存储单元430，在本实施例中所述第二存储单元430可用于长时间的存储预览图像，一般情况下可认为永久存储，在没有用户删除指令的情况下，可认为所述图像采集装置将会永久存储所述采集图像。在本实施例中所述第二存储单元430将用于根据采集对象的预设部位的呈现状态，从N张预览图像中选择出一张预览图像作为本次图像采集形成的采集图像。
利用本实施例所述图像采集装置，进行图像采集，相对于现有技术中，有更高的概率一次性采集到用户想要的呈现状态的图像，提高了图像采集装置的智能性；用户不用为了采集到自己想要的预设部位的采集图像一再的按下拍照键，大大的简化了用户的操作，显然提升了用户使用满意度。
实施例七：
如图6所示，本实施例提供一种图像采集装置，所述装置包括：
采集单元410，配置为拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；
第一存储单元420，配置为存储所述N张预览图像；
第二存储单元430，配置为当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
所述第二存储单元430，配置为当检测到采集完成操作时，根据N张所述预览图像中采集对象的眼睛睁闭状态，从N张所述预览图像中选择一张存储为本次图像采集的采集图像。
在本实施例中所述第二存储单元430将所述预设部位设置为所述眼睛，在本实施例中将根据所述眼睛的睁闭状态，来选择一张预览图像作为所述采集图像。这里的眼睛睁闭状态对应于至少两种状态，眼睛的睁开状态或眼睛闭合状态。
在一些实施例中，所述第二存储单元430，配置为若所述N张所述预 览图像至少有一张所述预览图像中所述采集对象的眼睛为睁开状态，则从N张所述预览图像中选择眼睛睁开且清晰度最高的所述预览图像作为所述采集图像存储。当然所述第二存储单元430，还可具体用于若所述N张所述预览图像各所述预览图像中所述采集对象的眼睛均为闭合状态，则从N张所述预览图像中选择一张清晰度最高的所述预览图像作为所述采集图像存储。
这样的话，利用本实施例所述图像采集装置，可以很便捷的实现一次性采集到用户想要的睁眼状态的图像或眼睛闭合状态的图像。
实施例八：
如图6所示，本实施例提供一种图像采集装置，所述装置包括：
采集单元410，配置为拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；
第一存储单元420，配置为存储所述N张预览图像；
第二存储单元430，配置为当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
所述第一存储单元420，配置为利用先进先出队列存储所述N张预览图像；
其中，所述先进先出队列最多缓存M张预览图像；所述M为不小于2的整数；所述N为不大于所述M；当在所述图像预览期间形成的预览图像的张数多余所述M时，所述先进先出队列将丢弃先缓存进入所述先进先出的队列的所述预览图像。
在本实施例中所述第一存储单元420对应的FIFO，利用FIFO来进行所述N张预览图像的缓存，显然可以限制预览图像的张数，同时采用FIFO队列来进行缓存，能够缓存最后预览形成的预览图像，这样负荷大部分情况下图像采集的应用需求，能够最大限度的满足用户需求，并提升了图像 采集装置的智能性。
实施例九：
如图6所示，本实施例提供一种图像采集装置，所述装置包括：
采集单元410，配置为拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；
第一存储单元420，配置为存储所述N张预览图像；
第二存储单元430，配置为当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
所述N张预览图像均为包括至少两个采集对象的图像。
所述第二存储单元430，配置为从所述N张预览图像中选择出所有采集对象的眼睛均睁开的预览图像，存储为本次图像采集的采集图像；
所述装置还包括：
合成单元，配置为若所述N张预览图像中没有所有采集对象的眼睛均睁开的预览图像，则基于所述N张预览图像合成一张所有采集对象的眼睛均睁开的合成图像；
所述第二存储单元430，还配置为将所述合成图像存储为本次图像采集的采图像。
本实施例中所述装置还引入了合成单元，这里的合成单元可对应于处理器或处理电路等结构，所述处理器或处理电路的描述可参见前述实施例，在此就不重复了。所述合成单元将会基于N张预览图像，很成一张所有采集对象的眼睛都睁开的合成图像。第二存储单元430还将该合成图像作为本次图像采集的采集图像，这样用户看到该采集图像满意的概率将会更高，从而将不会指示电子设备再次采集，从而避免了重复采集，提高了采集效率及电子设备的智能性。
实施例十：
如图6所示，本实施例提供一种图像采集装置，所述装置包括：
采集单元410，配置为拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；
第一存储单元420，配置为存储所述N张预览图像；
第二存储单元430，配置为当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
所述预设部位的呈现状态包括第一状态和第二状态；
所述第二存储单元430，配置为统计所述N张预览图像中所述预设部位呈现状态为第一状态的第一张数，和所述预设部位呈现状态为所述第二状态的第二张数；若所述第一张数不小于所述第二张数，则将所述预设部位呈现状态为第一状态的预览图像中清晰度最高的一张存储为所述采集图像；若所述第二张数大于所述第一张数，则将所述预设部位呈现状态为第二状态的预览图像中清晰度最高的一张存储为所述采集图像。
在本实施例中所述第二存储单元430除了对应于存储介质以外，还可对应于具有第一状态和第二状态识别的信息处理结构及计数器或计数电路或具有计数功能的处理器。所述计数器、计数电路或具有技术功能的处理器能够用于进行所述第一张数和所述第二张数的统计。所述第二存储单元430还可包括比较器，通过所述第一张数和第二张数的比较，确定选择预设部位为所述第一状态或第二状态的预览图像存储为所述采集图像。
本实施例所述图像采集装置是在实施例四或实施例六的基础上的进一步的改进，同样的具有能够简化图像采集操作，提高采集图像质量及智能性高的特点，此外还具有结构简单及实现简便的特点。
实施例十一：
如图6所示，本实施例提供一种图像采集装置，所述装置包括：
采集单元410，配置为拍照时进行图像预览生成N张预览图像；其中， 所述N为不小于2的正整数；
第一存储单元420，配置为存储所述N张预览图像；
第二存储单元430，配置为当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
删除单元，配置为删除所述N张预览图像中除所述采集图像之外的N-1张所述预览图像。
这里的删除单元可对应于处理器或处理电路，这里的处理器或处理电路可参见前述实施例，再次就不对处理器或处理电路做详细介绍了。
删除单元，通过删除剩余的N-1张所述预览图像，可以减少所述第一存储单元420所被占用的存储空间，从而减少第一存储单元420因存储过多的预览了图像的存储容量不够的现象。
实施例十二：
如图6所示，本实施例提供一种图像采集装置，所述装置包括：
采集单元410，配置为拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；
第一存储单元420，配置为存储所述N张预览图像；
第二存储单元430，配置为当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
所述第一存储单元420为缓存单元，配置为缓存所述N张预览图像。所述缓存单元为包括各种存储介质为缓存类型的存储介质。所述缓存单元将在缓存本次图像采集中的N张预览图像，当下次图像采集时，存储的这N张预览图像就有可能被下次采集的预览图像覆盖，这样的话，就有自动删除多余预览图像的效果，减少存储操作以及存储容量的不够使用。
在一些实施例中，所述缓存单元，配置为利用先进先出队列缓存所述N 张预览图像；
其中，所述先进先出队列最多缓存M张预览图像；所述M为不小于2的整数；所述N为不大于所述M。
在本实施例所述缓存单元为FIFO队列，这样的话，在预览图像存储过程中，当预览图像过多时，会自动执行删除操作，避免存储容量不够用的问题。
在一些实施例中，所述采集单元410，可配置为在进入拍照状态后并在检测到所述采集完成操作之前，按照预设时间间隔采集所述预览图像。当然在具体实现时，还可以随机采集N张所述预览图像。
实施例十三：
本发明实施例还提供一种计算机存储介质，所述计算机存储介质中存储有计算机可执行指令，所述计算机可执行指令用于执行前述任意一个所述图像采集方法，例如，图3、图4、图7和/或图8所示的方法。
所述计算机存储介质可为移动存储设备、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质，可选为非瞬间存储介质。
以下结合上述任意实施例提供一个具体示例：
如图7和图8所示，本示例提供一种图像采集方法，包括：
步骤S1：相机开启预览，形成预览图像。这里的相机相当于前述的采集单元。
步骤S2：缓存步骤S1中形成的预览图像。
步骤S3：判断缓存的预览图像的张数是否超过预设阀值？这里的预设阀值可为前述实施例中的M，若是，则进入步骤S4，若否，则返回步骤S1，直至检测到用户按下拍照键。这里的按下拍照键即为前述检测到确定采集操作。
步骤S4：删除先缓存的预览图像，再返回步骤S1。
步骤S5：检测到用户按下拍照键。
步骤S6：读取缓存的预览图像。
步骤S7：计算预览图像的清晰度，确定眼睛的呈现状态。
步骤S8：判断是否存在睁眼的预览图像？若是，进入步骤S9，若否，则进入步骤S10。
步骤S9：在睁眼的预览图像中选出清晰度最高的保存。
步骤S10：在所有的预览图像中选出清晰度最高的保存。
在本申请所提供的几个实施例中，应该理解到，所揭露的设备和方法，可以通过其它的方式实现。以上所描述的设备实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，如：多个单元或组件可以结合，或可以集成到另一个系统，或一些特征可以忽略，或不执行。另外，所显示或讨论的各组成部分相互之间的耦合、或直接耦合、或通信连接可以是通过一些接口，设备或单元的间接耦合或通信连接，可以是电性的、机械的或其它形式的。
上述作为分离部件说明的单元可以是、或也可以不是物理上分开的，作为单元显示的部件可以是、或也可以不是物理单元，即可以位于一个地方，也可以分布到多个网络单元上；可以根据实际的需要选择其中的部分或全部单元来实现本实施例方案的目的。
另外，在本发明各实施例中的各功能单元可以全部集成在一个处理模块中，也可以是各单元分别单独作为一个单元，也可以两个或两个以上单元集成在一个单元中；上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
本领域普通技术人员可以理解：实现上述方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成，前述的程序可以存储于一计算机可读取存储介质中，该程序在执行时，执行包括上述方法实施例的 步骤；而前述的存储介质包括：移动存储设备、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，凡按照本发明原理所作的修改，都应当理解为落入本发明的保护范围。

Claims (20)

  1. 一种图像采集方法，所述方法包括：
    拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；
    存储所述N张预览图像；
    当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
  2. 根据权利要求1所述的方法，其中，
    所述当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像，包括：
    当检测到采集完成操作时，根据N张所述预览图像中采集对象的眼睛睁闭状态，从N张所述预览图像中选择一张存储为本次图像采集的采集图像。
  3. 根据权利要求2所述的方法，其中，
    所述当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像，包括：
    若所述N张所述预览图像至少有一张所述预览图像中所述采集对象的眼睛为睁开状态，则从N张所述预览图像中选择眼睛睁开且清晰度最高的所述预览图像作为所述采集图像存储。
  4. 根据权利要求2或3所述的方法，其中，
    所述当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图 像采集的采集图像，还包括：
    若所述N张所述预览图像各所述预览图像中所述采集对象的眼睛均为闭合状态，则从N张所述预览图像中选择一张清晰度最高的所述预览图像作为所述采集图像存储。
  5. 根据权利要求2或3所述的方法，其中，
    所述N张预览图像均为包括至少两个采集对象的图像；
    所述当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像，包括：
    从所述N张预览图像中选择出所有采集对象的眼睛均睁开的预览图像，存储为本次图像采集的采集图像；
    所述方法还包括：
    若所述N张预览图像中没有所有采集对象的眼睛均睁开的预览图像，则基于所述N张预览图像合成一张所有采集对象的眼睛均睁开的合成图像；
    将所述合成图像存储为本次图像采集的采图像。
  6. 根据权利要求1或5所述的方法，其中，
    所述预设部位的呈现状态包括第一状态和第二状态；
    所述当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像，包括：
    统计所述N张预览图像中所述预设部位呈现状态为第一状态的第一张数，和所述预设部位呈现状态为所述第二状态的第二张数；
    若所述第一张数不小于所述第二张数，则将所述预设部位呈现状态为第一状态的预览图像中清晰度最高的一张存储为所述采集图像；
    若所述第二张数大于所述第一张数，则将所述预设部位呈现状态为第二状态的预览图像中清晰度最高的一张存储为所述采集图像。
  7. 根据权利要求1所述的方法，其中，所述方法还包括：
    删除所述N张预览图像中除所述采集图像之外的N-1张所述预览图像。
  8. 根据权利要求1所述的方法，其中，
    所述存储所述N张预览图像，包括：
    缓存所述N张预览图像。
  9. 根据权利要求7所述的方法，其中，
    所述缓存所述N张预览图像，包括：
    利用先进先出队列缓存所述N张预览图像；
    其中，所述先进先出队列最多缓存M张预览图像；所述M为不小于2的整数；所述N为不大于所述M。
  10. 根据权利要求1所述的方法，其中，
    所述拍照时进行图像预览生成N张预览图像，包括：
    在进入拍照状态后并在检测到所述采集完成操作之前，按照预设时间间隔采集所述预览图像。
  11. 一种图像采集装置，所述装置包括：
    采集单元，用于拍照时进行图像预览生成N张预览图像；其中，所述N为不小于2的正整数；
    第一存储单元，配置为存储所述N张预览图像；
    第二存储单元，配置为当检测到采集完成操作时，根据N张所述预览图像中采集对象的预设部位的呈现状态，从所述N张所述预览图像中选择一张存储为本次图像采集的采集图像。
  12. 根据权利要求11所述的装置，其中，
    所述第二存储单元，配置为当检测到采集完成操作时，根据N张所述预览图像中采集对象的眼睛睁闭状态，从N张所述预览图像中选择一张存储为本次图像采集的采集图像。
  13. 根据权利要求12所述的装置，其中，
    所述第二存储单元，配置为若所述N张所述预览图像至少有一张所述预览图像中所述采集对象的眼睛为睁开状态，则从N张所述预览图像中选择眼睛睁开且清晰度最高的所述预览图像作为所述采集图像存储。
  14. 根据权利要求12或13所述的装置，其中，
    所述第二存储单元，配置为若所述N张所述预览图像各所述预览图像中所述采集对象的眼睛均为闭合状态，则从N张所述预览图像中选择一张清晰度最高的所述预览图像作为所述采集图像存储。
  15. 根据权利要求11所述的装置，其中，
    所述N张预览图像均为包括至少两个采集对象的图像；
    所述第二存储单元，配置为从所述N张预览图像中选择出所有采集对象的眼睛均睁开的预览图像，存储为本次图像采集的采集图像；
    所述装置还包括：
    合成单元，配置为若所述N张预览图像中没有所有采集对象的眼睛均睁开的预览图像，则基于所述N张预览图像合成一张所有采集对象的眼睛均睁开的合成图像；
    所述第二存储单元，还配置为将所述合成图像存储为本次图像采集的采图像。
  16. 根据权利要求11或15所述的装置，其中，
    所述预设部位的呈现状态包括第一状态和第二状态；
    所述第二存储单元，配置为统计所述N张预览图像中所述预设部位呈现状态为第一状态的第一张数，和所述预设部位呈现状态为所述第二状态的第二张数；若所述第一张数不小于所述第二张数，则将所述预设部位呈现状态为第一状态的预览图像中清晰度最高的一张存储为所述采集图像；若所述第二张数大于所述第一张数，则将所述预设部位呈现状态为第二状态的预览图像中清晰度最高的一张存储为所述采集图像。
  17. 根据权利要求11所述的装置，其中，所述装置还包括：
    删除单元，配置为删除所述N张预览图像中除所述采集图像之外的N-1张所述预览图像。
  18. 根据权利要求11所述的装置，其中，
    所述第一存储单元为缓存单元，配置为缓存所述N张预览图像。
  19. 根据权利要求18所述的装置，其中，
    所述缓存单元，配置为利用先进先出队列缓存所述N张预览图像；
    其中，所述先进先出队列最多缓存M张预览图像；所述M为不小于2的整数；所述N为不大于所述M。
  20. 一种计算机存储介质，所述计算机存储介质中存储有计算机可执行指令，所述计算机可执行指令用于执行权利要求1至10任一项所述的方法。
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