WO2015131614A1 - 移动终端及其拍摄方法 - Google Patents

移动终端及其拍摄方法 Download PDF

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Publication number
WO2015131614A1
WO2015131614A1 PCT/CN2014/094154 CN2014094154W WO2015131614A1 WO 2015131614 A1 WO2015131614 A1 WO 2015131614A1 CN 2014094154 W CN2014094154 W CN 2014094154W WO 2015131614 A1 WO2015131614 A1 WO 2015131614A1
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Prior art keywords
image data
mobile terminal
module
aperture
time
Prior art date
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PCT/CN2014/094154
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English (en)
French (fr)
Inventor
里强
魏强
苗雷
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努比亚技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 努比亚技术有限公司 filed Critical 努比亚技术有限公司
Priority to US15/123,995 priority Critical patent/US20170094155A1/en
Priority to EP14884492.1A priority patent/EP3113484A4/en
Publication of WO2015131614A1 publication Critical patent/WO2015131614A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/62Control of parameters via user interfaces
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation
    • G06T11/60Editing figures and text; Combining figures or text
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/72Combination of two or more compensation controls
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/73Circuitry for compensating brightness variation in the scene by influencing the exposure time
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/75Circuitry for compensating brightness variation in the scene by influencing optical camera components
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/20Special algorithmic details
    • G06T2207/20212Image combination
    • G06T2207/20221Image fusion; Image merging
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2250/00Details of telephonic subscriber devices
    • H04M2250/52Details of telephonic subscriber devices including functional features of a camera

Definitions

  • the present invention relates to the field of mobile terminal technologies, and in particular, to a mobile terminal and a method for photographing the same.
  • the quality of the photo is related to the amount of exposure. Therefore, how much light should be passed to enable the CCD to get a clear image is one of the skills necessary for many SLR camera enthusiasts.
  • the exposure amount is related to the light passing time and the light passing area.
  • the light passing time is determined by the shutter speed
  • the light passing area is determined by the aperture size.
  • a professional photographing machine such as a conventional SLR camera has an exposure mode such as a shutter priority and an aperture preferred.
  • Shutter priority refers to the value of the exposure calculated by the machine's automatic metering system, and then automatically determines how much aperture to use based on the shutter speed selected by the user.
  • Aperture priority refers to the value of the exposure calculated by the machine's automatic metering system, and then automatically determines how many shutters to use based on the aperture size selected by the user.
  • the technical problem to be solved by the present invention is to provide a mobile terminal and a method for photographing the same, which can solve the shooting effect that the mobile terminal cannot achieve the exposure mode such as shutter priority or aperture optimization in the prior art.
  • a mobile terminal includes:
  • the acquisition module is configured to continuously collect image data
  • Adjusting a module setting the aperture parameter value, selecting image data from the continuously acquired image data, and adjusting an optical parameter of the selected image data according to the aperture parameter value;
  • a photometry module configured to obtain an exposure parameter
  • a time control module configured to determine a time according to the exposure parameter and the aperture parameter value, so that the acquisition module continuously collects image data during the time
  • a composition module that is set to synthesize the adjusted image data.
  • a method for photographing a mobile terminal comprising the steps of:
  • the adjusted image data is synthesized.
  • a mobile terminal includes:
  • the acquisition module is configured to continuously collect image data
  • the adjusting module is configured to select image data from the continuously acquired image data, and adjust optical parameters of the selected image data;
  • a composition module that is set to synthesize the adjusted image data.
  • the mobile terminal further includes:
  • the time control module is configured to determine a time such that the acquisition module continuously acquires image data during the time.
  • the mobile terminal further includes a photometry module, and the photometry module is configured to acquire an exposure parameter;
  • the adjustment module is further configured to adjust the brightness of the selected image data according to the exposure parameter and the time.
  • the exposure times of the respective image data continuously acquired by the acquisition module are not all the same.
  • the mobile terminal further includes:
  • a metering module configured to obtain an exposure parameter
  • the time control module is configured to determine a time according to the exposure parameter, so that the acquisition module continuously acquires image data during the time.
  • the photometry module is configured to calculate a required exposure parameter according to the current ambient light intensity, the mobile terminal ISO or/and the aperture size.
  • the adjustment module is further configured to: set an aperture parameter value, and adjust an optical parameter of the selected image data according to the aperture parameter value.
  • the method further comprises:
  • a metering module configured to obtain an exposure parameter
  • the time control module is configured to determine a time according to the exposure parameter and the aperture parameter value, so that the acquisition module continuously acquires image data during the time.
  • the collecting module is configured to adjust the collecting speed in real time according to the remaining space of the buffer.
  • the collecting module is configured to: determine in real time whether the remaining space of the cache reaches a preset value, and if yes, adjust the collecting speed to a preset speed.
  • a method for photographing a mobile terminal comprising:
  • the adjusted image data is synthesized.
  • the method further includes:
  • the method further comprises: obtaining an exposure parameter
  • the step of adjusting optical parameters of the selected image data further includes: adjusting brightness of the selected image data according to the exposure parameter and the time.
  • the method further comprises: setting an aperture parameter value;
  • the step of adjusting an optical parameter of the selected image data further includes: adjusting an optical parameter of the selected image data according to the aperture parameter value.
  • the method further comprises: obtaining an exposure parameter
  • the time for continuously acquiring image data is determined based on the exposure parameter and the aperture parameter value.
  • the obtaining the exposure parameter comprises: calculating a required exposure parameter according to the current ambient light intensity, the mobile terminal ISO or/and the aperture size.
  • the method further comprises: setting an aperture parameter value, and adjusting an optical parameter of the selected image data according to the aperture parameter value.
  • the method further includes:
  • the adjusted image data is synthesized by adjusting the optical parameters of the selected image data, thereby realizing the photographing effect of the exposure mode such as the shutter priority or the aperture optimization.
  • FIG. 1 is a schematic diagram of a module of a mobile terminal according to a first embodiment of the present invention.
  • FIG. 2 is a schematic flowchart diagram of a method for photographing a mobile terminal according to a first embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a module of a mobile terminal according to a second embodiment of the present invention.
  • FIG. 4 is a schematic flowchart diagram of a method for photographing a mobile terminal according to a second embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a module of a mobile terminal according to a third embodiment of the present invention.
  • FIG. 6 is a schematic flowchart diagram of a method for photographing a mobile terminal according to a third embodiment of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • FIG. 1 is a schematic diagram of a module of a mobile terminal according to a first embodiment of the present invention.
  • a mobile terminal includes an acquisition module 10, an adjustment module 20, and a synthesis module 30.
  • the acquisition module 10 is configured to continuously acquire image data.
  • the acquisition module 10 is taken as a camera for illustration. After the shooting starts, the camera continuously collects image data to the cache module. Preferably, the acquisition is adjusted in real time according to the remaining space of the cache module. speed.
  • the image data is collected at the maximum speed; when it is detected that the remaining space of the cache module is less than 50%, the acquisition speed is reduced to half of the current speed; when the cache module When the remaining space is restored to more than 50%, the acquisition speed is restored to the maximum speed again.
  • the preset value and the preset speed can be subdivided into multiples to achieve step-by-step increment or decrement. Therefore, the processing capability of the mobile terminal can be utilized to the utmost extent, and data overflow due to excessive acquisition speed can be prevented, thereby causing data loss.
  • the exposure times of the respective image data continuously acquired by the acquisition module are not all the same.
  • the adjustment module 20 is configured to select image data from the continuously acquired image data and adjust optical parameters of the selected image data.
  • image data is selected from continuously acquired image data, which may be all selections or partial selections.
  • the optical parameters of the selected image data adjusted by the adjustment module include brightness.
  • the brightness of the image data is modified.
  • the brightness adjustment operation is performed on all or part of the image data continuously acquired by the acquisition module, and the effect of controlling the aperture is simulated.
  • the composition module 30 is arranged to synthesize the adjusted image data.
  • the adjusted image data is superimposed, covered, or otherwise synthesized. For example, after synthesis, an image data is generated.
  • the RGB or YUV information of the first image data acquired by the acquisition module is RGB1 or YUV1 (since YUV and RGB can be converted to each other, and the following is uniformly described by YUV), then the nth image
  • 1/m represents the ratio of the set aperture size to the original aperture.
  • the mobile terminal further includes a display module and a storage module.
  • Display module set to pre The collected image data is set, and the storage module is configured to store the acquired image data and the synthesized image data.
  • FIG. 2 is a schematic flowchart diagram of a method for photographing a mobile terminal according to a first embodiment of the present invention.
  • Step S1 continuously acquiring image data.
  • the acquisition module is used as a camera for illustration. After the shooting starts, the camera continuously collects image data to the cache module. Preferably, the acquisition speed is adjusted in real time according to the remaining space of the cache module.
  • the image data is collected at the maximum speed; when it is detected that the remaining space of the cache module is less than 50%, the acquisition speed is reduced to half of the current speed; when the cache module When the remaining space is restored to more than 50%, the acquisition speed is restored to the maximum speed again.
  • the preset value and the preset speed can be subdivided into multiples to achieve step-by-step increment or decrement. Therefore, the processing capability of the mobile terminal can be utilized to the utmost extent, and data overflow due to excessive acquisition speed can be prevented, thereby causing data loss.
  • Step S2 Select image data from the continuously acquired image data, and adjust optical parameters of the selected image data.
  • image data is selected from continuously acquired image data, which may be all selections or partial selections.
  • the optical parameters of the selected image data adjusted by the adjustment module include brightness.
  • the brightness of the image data is modified.
  • the brightness adjustment operation is performed on all or part of the image data continuously acquired by the acquisition module, and the effect of controlling the aperture is simulated.
  • Step S3 synthesizing the adjusted image data.
  • the adjusted image data is superimposed, covered, or otherwise synthesized. For example, after synthesis, an image data is generated.
  • the RGB or YUV information of the first image data acquired by the acquisition module is RGB1 or YUV1 (since YUV and RGB can be converted to each other, and the following is uniformly described by YUV), then the nth image
  • 1/m represents the ratio of the set aperture size to the original aperture.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • FIG. 3 is a schematic diagram of a module of a mobile terminal according to a second embodiment of the present invention.
  • a mobile terminal includes: an acquisition module 100, a time control module 200, a photometry module 300, an adjustment module 400, and a synthesis module 500.
  • the acquisition module 100 is configured to continuously acquire image data.
  • the acquisition module 100 is taken as a camera for illustration. After the shooting starts, the camera continuously collects image data to the cache module. Preferably, the acquisition speed is adjusted in real time according to the remaining space of the cache module.
  • the image data is collected at the maximum speed; when it is detected that the remaining space of the cache module is less than 50%, the acquisition speed is reduced to half of the current speed; when the cache module When the remaining space is restored to more than 50%, the acquisition speed is restored to the maximum speed again.
  • the preset value and the preset speed can be subdivided into multiples to achieve step-by-step increment or decrement. Therefore, the processing capability of the mobile terminal can be utilized to the utmost extent, and data overflow due to excessive acquisition speed can be prevented, thereby causing data loss.
  • the time control module 200 is configured to determine a time such that the acquisition module continuously acquires image data during the time. Specifically, the time determined by the time control module may be input by the user, or the mobile terminal is built in.
  • the photometry module 300 is configured to acquire an exposure parameter.
  • the exposure parameter is acquired by the photometry module 300.
  • the photometry module 300 calculates the required exposure parameters according to the current ambient light intensity, the mobile terminal ISO, and the aperture size.
  • the adjustment module 400 is configured to select image data from the continuously acquired image data and adjust optical parameters of the selected image data. Further, the optical parameter of the selected image data adjusted by the adjustment module 400 includes brightness, and the adjustment module is configured to be according to the exposure parameter and the time, Adjust the optical parameters of the selected image data, such as brightness.
  • the brightness of the image data is modified.
  • the brightness adjustment operation is performed on all or part of the image data continuously acquired by the acquisition module, and the effect of controlling the aperture is simulated.
  • the image data is selected from the continuously acquired image data, which may be all selections or partial selections.
  • the synthesis module 500 is configured to synthesize the adjusted image data.
  • the adjusted image data is superimposed, covered, or otherwise synthesized. For example, after synthesis, an image data is generated.
  • 1/m represents the ratio of the set aperture size to the original aperture.
  • FIG. 4 is a schematic flowchart diagram of a method for photographing a mobile terminal according to a second embodiment of the present invention.
  • Step S11 Obtain an exposure parameter.
  • the exposure parameter is acquired by the photometry module.
  • the metering module calculates the required exposure parameters according to the current ambient light intensity, the mobile terminal ISO or / and the aperture size.
  • Step S12 determining the time for continuously acquiring image data.
  • the time determined by the time control module may be input by the user, or the mobile terminal is built in.
  • Step S13 continuously acquiring image data during the time.
  • the acquisition module is used as a camera for illustration. After the shooting starts, during the time, the camera continuously collects image data to the cache module. Preferably, the acquisition speed is adjusted in real time according to the remaining space of the cache module.
  • shooting begins and continuous acquisition Image data to the cache module.
  • the acquisition speed is adjusted to a preset speed.
  • the image data is collected at the maximum speed; when it is detected that the remaining space of the cache module is less than 50%, the acquisition speed is reduced to half of the current speed; when the cache module When the remaining space is restored to more than 50%, the acquisition speed is restored to the maximum speed again.
  • the preset value and the preset speed can be subdivided into multiples to achieve step-by-step increment or decrement. Therefore, the processing capability of the mobile terminal can be utilized to the utmost extent, and data overflow due to excessive acquisition speed can be prevented, thereby causing data loss.
  • Step S14 Adjust optical parameters of the selected image data according to the exposure parameter and the time.
  • the brightness is exemplified by the adjusted optical parameter.
  • the brightness of the image data is modified.
  • the brightness adjustment operation is performed on all or part of the image data continuously acquired by the acquisition module, and the effect of controlling the aperture is simulated.
  • the image data is selected from the continuously acquired image data, which may be all selections or partial selections.
  • Step S15 synthesizing the adjusted image data.
  • the adjusted image data is superimposed, covered, or otherwise synthesized. For example, after synthesis, an image data is generated.
  • 1/m represents the ratio of the set aperture size to the original aperture.
  • time sequence between the foregoing steps S11 and S12 is not limited to the sequence, or whoever comes first may include multiple possibilities.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • FIG. 5 is a schematic diagram of a module of a mobile terminal according to a third embodiment of the present invention.
  • a mobile terminal includes: an acquisition module 1000, an adjustment module 2000, a photometry module 3000, a time control module 4000, and a synthesis module 5000.
  • the acquisition module 1000 is configured to continuously acquire image data.
  • the acquisition module is used as a camera for illustration. After the shooting starts, the camera continuously collects image data to the cache module. Preferably, the acquisition speed is adjusted in real time according to the remaining space of the cache module.
  • the image data is collected at the maximum speed; when it is detected that the remaining space of the cache module is less than 50%, the acquisition speed is reduced to half of the current speed; when the cache module When the remaining space is restored to more than 50%, the acquisition speed is restored to the maximum speed again.
  • the preset value and the preset speed can be subdivided into multiples to achieve step-by-step increment or decrement. Therefore, the processing capability of the mobile terminal can be utilized to the utmost extent, and data overflow due to excessive acquisition speed can be prevented, thereby causing data loss.
  • the adjustment module 2000 is configured to select image data from the continuously acquired image data, set and adjust the optical parameters of the selected image data according to the aperture parameter value. Further, the optical parameter of the selected image data adjusted by the adjustment module includes brightness, and the adjustment module is configured to adjust the brightness of the selected image data according to the aperture parameter value. It should be noted that the image data is selected from the continuously acquired image data, and the order between the two steps of setting and according to the aperture parameter value is not limited, that is, the order between the two includes multiple possibilities.
  • the brightness of the image data is modified.
  • the brightness adjustment operation is performed on all or part of the image data continuously acquired by the acquisition module, and the effect of controlling the aperture is simulated.
  • the image data is selected from the continuously acquired image data, which may be all selections or partial selections.
  • the photometry module 3000 is configured to acquire an exposure parameter.
  • the exposure parameter is acquired by the photometry module.
  • the photometry module calculates the required exposure parameters according to the current ambient light intensity, the mobile terminal ISO, and the aperture size.
  • the time control module 4000 is configured to determine a time according to the exposure parameter and the aperture parameter value, The acquisition module is caused to continuously acquire image data during the time.
  • the composition module 5000 is configured to synthesize the adjusted image data.
  • the adjusted image data is superimposed, covered, or otherwise synthesized. For example, after synthesis, an image data is generated.
  • 1/m represents the ratio of the set aperture size to the original aperture.
  • FIG. 6 is a schematic flowchart diagram of a method for photographing a mobile terminal according to a third embodiment of the present invention.
  • Step S111 setting the aperture parameter value.
  • the aperture parameter value is set by human input or built in the mobile terminal.
  • Step S112 Obtain an exposure parameter.
  • the exposure parameter is acquired by the photometry module.
  • the photometry module calculates the required exposure parameters according to the current ambient light intensity, the mobile terminal ISO, and the aperture size.
  • sequence of the foregoing steps S111 and S112 is not limited, that is, one of them may be executed first, and the other may be executed later, or both may be performed simultaneously.
  • Step S113 determining a time for continuously acquiring image data according to the exposure parameter and the aperture parameter value.
  • a new aperture is set (step S111), assuming one-half of the original aperture, then in order to get the correct exposure, the reasonable shutter time should be twice the original.
  • the reverse is also true (previous embodiment 2).
  • Step S114 continuously acquiring image data during the time.
  • the acquisition module is used as a camera for illustration. After the shooting starts, during the time, the camera continuously collects image data to the cache module. Preferably, the acquisition speed is adjusted in real time according to the remaining space of the cache module.
  • the image data is collected at the maximum speed; when it is detected that the remaining space of the cache module is less than 50%, the acquisition speed is reduced to half of the current speed; when the cache module When the remaining space is restored to more than 50%, the acquisition speed is restored to the maximum speed again.
  • the preset value and the preset speed can be subdivided into multiples to achieve step-by-step increment or decrement. Therefore, the processing capability of the mobile terminal can be utilized to the utmost extent, and data overflow due to excessive acquisition speed can be prevented, thereby causing data loss.
  • Step S115 Adjust optical parameters of the image data selected from the continuously acquired image data according to the aperture parameter value.
  • the optical parameter is used as an example of brightness.
  • the brightness of the modified image data is achieved by using a software algorithm.
  • the brightness adjustment operation is performed on all or part of the image data continuously acquired by the acquisition module, and the effect of controlling the aperture is simulated.
  • the image data is selected from the continuously acquired image data, which may be all selections or partial selections.
  • Step S116 synthesizing the adjusted image data.
  • the adjusted image data is superimposed, covered, or otherwise synthesized. For example, after synthesis, an image data is generated.
  • the mobile terminal may be any electronic device capable of communicating with other devices, including but not limited to: a personal computer, a handheld device, an electronic tablet, a personal digital assistant (PDA), a mobile phone, Network appliances, cameras, video cameras, smart phones, network base stations, media players, navigation devices, email devices, gaming devices, automated information systems (such as entertainment systems with control panels), and combinations of the aforementioned devices.
  • PDA personal digital assistant
  • the adjusted image data is synthesized by adjusting the optical parameters of the selected image data, thereby realizing the photographing effect of the exposure mode such as the shutter priority or the aperture optimization.
  • the mobile terminal and the photographing method thereof provided by the present invention can adjust the optical parameters of the selected image data and synthesize the adjusted image data, so that the shooting effect of the shutter priority or the aperture preferred exposure mode can also be achieved when the mobile terminal photographs. , improved user experience.

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Abstract

本发明提供一种移动终端及其拍摄方法,所述移动终端包括:采集模块,设置为连续采集图像数据;调整模块,设置为从连续采集的图像数据中选择图像数据,调整被选择的图像数据的光学参数;合成模块,设置为合成被调整的图像数据。采用本发明,能够解决现有技术中移动终端拍摄无法实现快门优先或光圈优选等曝光模式的拍摄效果的问题。

Description

移动终端及其拍摄方法 技术领域
本发明涉及移动终端技术领域,特别涉及一种移动终端及其拍摄方法。
背景技术
照片的好坏与曝光量有关,因此,应该通多少的光线使CCD能够得到清晰的图像,是很多单反相机爱好者必备的技能之一。
曝光量与通光时间,通光面积有关。其中,通光时间由快门速度决定,通光面积由光圈大小决定。为了得到正确的曝光量,就需要正确的快门与光圈的组合。快门快时,光圈就要大些;快门慢时,光圈就要小些。
现有的单反相机等专业摄影机器存在快门优先和光圈优选等曝光模式。
快门优先是指由机器自动测光系统计算出曝光量的值,然后根据用户选定的快门速度自动决定用多大的光圈。
光圈优先是指由机器自动测光系统计算出曝光量的值,然后根据用户选定的光圈大小自动决定用多少的快门。
虽然这两个功能对于单反相机这类专业摄影机器来说,都是必备的选项,但是对于移动设备来说,比如手机,却还无法支持这两个功能。这是因为移动设备的摄像头与专业相机摄像头相比,有自己的很大的局限性。首先它的曝光时间无法控制,也就是用户无法随意选择自己拍摄照片的曝光时间,二是移动设备的摄像头的光圈值是固定的,并无法像传统摄像头一样可以由用户进行自由调整。
发明内容
有鉴于此,本发明要解决的技术问题是提供一种移动终端及其拍摄方法,能够解决现有技术中移动终端拍摄无法实现快门优先或光圈优选等曝光模式的拍摄效果。
本发明解决上述技术问题所采用的技术方案如下:
一种移动终端,其包括:
采集模块,设置为连续采集图像数据;
调整模块,设置为设定光圈参数值,从连续采集的图像数据中选择图像数据,并根据所述光圈参数值调整被选择的图像数据的光学参数;
测光模块,设置为获取曝光参数;
时间控制模块,设置为根据所述曝光参数和光圈参数值,确定一时间,使得采集模块在所述时间内连续采集图像数据;
合成模块,设置为合成被调整的图像数据。
一种移动终端的拍摄方法,包括步骤:
设定光圈参数值,获取曝光参数;
根据所述曝光参数和光圈参数值,确定连续采集图像数据的时间,并在确定的时间内连续采集图像数据;
从连续采集的图像数据中选择图像数据,并根据所述光圈参数值调整被选择的图像数据的光学参数;
合成被调整的图像数据。
一种移动终端,其包括:
采集模块,设置为连续采集图像数据;
调整模块,设置为从连续采集的图像数据中选择图像数据,调整被选择的图像数据的光学参数;
合成模块,设置为合成被调整的图像数据。
优选地,所述的移动终端,其还包括:
时间控制模块,设置为确定一时间,使得采集模块在所述时间内连续采集图像数据。
优选地,所述移动终端还包括测光模块,所述测光模块设置为获取曝光参数;
所述调整模块,进一步设置为根据所述曝光参数和所述时间,调整被选择的图像数据的亮度。
优选地,采集模块连续采集的各个图像数据的曝光时间不全部相同。
优选地,所述的移动终端,其还包括:
测光模块,设置为获取曝光参数;以及
时间控制模块,设置为根据所述曝光参数,确定一时间,使得采集模块在所述时间内连续采集图像数据。
优选地,所述测光模块设置为:根据当前的环境光线强弱、移动终端ISO或/和光圈大小,计算出需要的曝光参数。
优选地,所述调整模块进一步设置为:设定光圈参数值,根据所述光圈参数值调整被选择的图像数据的光学参数。
优选地,还包括:
测光模块,设置为获取曝光参数;以及
时间控制模块,设置为根据所述曝光参数和光圈参数值,确定一时间,使得采集模块在所述时间内连续采集图像数据。
优选地,所述采集模块设置为:根据缓存的剩余空间实时调整采集速度。
优选地,所述采集模块设置为:实时判断缓存的剩余空间是否达到预设值,若是,则将采集速度调整到预设速度。
一种移动终端的拍摄方法,其包括:
连续采集图像数据;
从连续采集的图像数据中选择图像数据,调整被选择的图像数据的光学参数;
合成被调整的图像数据。
优选地,在所述连续采集图像数据的步骤之前,还包括:
确定连续采集图像数据的时间。
优选地,所述方法还包括:获取曝光参数;
所述调整被选择的图像数据的光学参数的步骤,进一步包括:根据所述曝光参数和所述时间,调整被选择的图像数据的亮度。
优选地,所述方法还包括:设定光圈参数值;
所述调整被选择的图像数据的光学参数的步骤,进一步包括:根据光圈参数值,调整被选择的图像数据的光学参数。
优选地,所述方法还包括:获取曝光参数;
根据曝光参数和光圈参数值,确定连续采集图像数据的时间。
优选地,所述获取曝光参数包括:根据当前的环境光线强弱、移动终端ISO或/和光圈大小,计算出需要的曝光参数。
优选地,所述方法还包括:设定光圈参数值,根据所述光圈参数值调整被选择的图像数据的光学参数。
优选地,所述方法还包括:
获取曝光参数;
根据所述曝光参数和光圈参数值,确定一时间,使得采集模块在所述时间内连续采集图像数据。
采用本发明,通过调整被选择的图像数据的光学参数,合成被调整的图像数据,实现快门优先或光圈优选等曝光模式的拍摄效果。
附图说明
图1为本发明第一实施例提供的移动终端的模块示意图。
图2为本发明第一实施例提供的移动终端的拍摄方法的流程示意图。
图3为本发明第二实施例提供的移动终端的模块示意图。
图4为本发明第二实施例提供的移动终端的拍摄方法的流程示意图。
图5为本发明第三实施例提供的移动终端的模块示意图。
图6为本发明第三实施例提供的移动终端的拍摄方法的流程示意图。
本发明目的的实现、功能特点及优点将结合实施例,参照附图做进一步说明。
具体实施方式
以下结合附图和实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
实施例一:
请参阅图1,其为本发明第一实施例提供的移动终端的模块示意图。
一种移动终端,其包括:采集模块10、调整模块20,以及合成模块30。
采集模块10,设置为连续采集图像数据。
具体地,以采集模块10为摄像头来举例说明。拍摄开始后,摄像头连续采集图像数据至缓存模块。优选地,根据缓存模块的剩余空间实时调整采集 速度。
当用户按下快门按键或触发虚拟快门按键后,开始进行拍摄,连续采集图像数据至缓存模块。在采集图像数据的过程中,实时判断缓存模块的剩余空间是否达到预设值,若是,则将采集速度调整到预设速度。
例如,检测到缓存模块的剩余空间在50%以上时,则以最大速度采集图像数据;当检测到缓存模块的剩余空间小于50%时,则将采集速度降至当前速度的一半;当缓存模块的剩余空间又恢复到50%以上时,采集速度再次恢复到最大速度。根据实际需要,预设值和预设速度可以细分为多个,实现逐级递增或递减。从而既能最大限度的利用移动终端的处理能力,又能防止因采集速度过快导致数据溢出,进而导致数据丢失。
在某些实施例中,采集模块连续采集的各个图像数据的曝光时间不全部相同。
调整模块20,设置为从连续采集的图像数据中选择图像数据,调整被选择的图像数据的光学参数。
具体地,从连续采集的图像数据中选择图像数据,可以是全部选择,或者部分选择。
调整模块调整的被选择的图像数据的光学参数包括亮度。比如,通过使用软件算法,实现修改图像数据的亮度。对采集模块连续采集的全部或者部分的图像数据进行亮度调整的操作,模拟出控制光圈的效果。
合成模块30,设置为合成被调整的图像数据。
具体地,将被调整的图像数据叠加、覆盖或者其他方式合成。比如,经过合成之后,生成一张图像数据。
假设被调整的图像数据有n张,采集模块采集的第1张图像数据的RGB或者YUV信息为RGB1或YUV1(因YUV与RGB可互相转换,以下统一采用YUV来描述),则第n张图像数据的YUV信息为:YUVn=(1/m)*(YUV1+….+YUVn-1),其中m为光圈参数值。
1/m代表了设定的光圈大小与原始光圈的比例。
比如原始光圈大小为f,设定的光圈大小为f0,则:
f0:f=1:m
可选地,所述移动终端还包括显示模块和存储模块。显示模块设置为预 览采集的图像数据,存储模块设置为存储采集的图像数据和合成的图像数据。
对应的,请参阅图2,其为本发明第一实施例提供的移动终端的拍摄方法的流程示意图。
本发明第一实施例提供的移动终端的拍摄方法,其包括以下步骤:
步骤S1、连续采集图像数据。
具体地,以采集模块为摄像头来举例说明。拍摄开始后,摄像头连续采集图像数据至缓存模块。优选地,根据缓存模块的剩余空间实时调整采集速度。
当用户按下快门按键或触发虚拟快门按键后,开始进行拍摄,连续采集图像数据至缓存模块。在采集图像数据的过程中,实时判断缓存模块的剩余空间是否达到预设值,若是,则将采集速度调整到预设速度。
例如,检测到缓存模块的剩余空间在50%以上时,则以最大速度采集图像数据;当检测到缓存模块的剩余空间小于50%时,则将采集速度降至当前速度的一半;当缓存模块的剩余空间又恢复到50%以上时,采集速度再次恢复到最大速度。根据实际需要,预设值和预设速度可以细分为多个,实现逐级递增或递减。从而既能最大限度的利用移动终端的处理能力,又能防止因采集速度过快导致数据溢出,进而导致数据丢失。
步骤S2、从连续采集的图像数据中选择图像数据,调整被选择的图像数据的光学参数。
具体地,从连续采集的图像数据中选择图像数据,可以是全部选择,或者部分选择。
调整模块调整的被选择的图像数据的光学参数包括亮度。比如,通过使用软件算法,实现修改图像数据的亮度。对采集模块连续采集的全部或者部分的图像数据进行亮度调整的操作,模拟出控制光圈的效果。
步骤S3、合成被调整的图像数据。
具体地,将被调整的图像数据叠加、覆盖或者其他方式合成。比如,经过合成之后,生成一张图像数据。
假设被调整的图像数据有n张,采集模块采集的第1张图像数据的RGB或者YUV信息为RGB1或YUV1(因YUV与RGB可互相转换,以下统一采用YUV来描述),则第n张图像数据的YUV信息为:YUVn=(1/m) *(YUV1+….+YUVn-1),其中m为光圈参数值。
1/m代表了设定的光圈大小与原始光圈的比例。
比如原始光圈大小为f,设定的光圈大小为f0,则:
f0:f=1:m
实施例二:
请参阅图3,其为本发明第二实施例提供的移动终端的模块示意图。
一种移动终端,其包括:采集模块100、时间控制模块200、测光模块300、调整模块400,和合成模块500。
采集模块100,设置为连续采集图像数据。
具体地,以采集模块100为摄像头来举例说明。拍摄开始后,摄像头连续采集图像数据至缓存模块。优选地,根据缓存模块的剩余空间实时调整采集速度。
当用户按下快门按键或触发虚拟快门按键后,开始进行拍摄,连续采集图像数据至缓存模块。在采集图像数据的过程中,实时判断缓存模块的剩余空间是否达到预设值,若是,则将采集速度调整到预设速度。
例如,检测到缓存模块的剩余空间在50%以上时,则以最大速度采集图像数据;当检测到缓存模块的剩余空间小于50%时,则将采集速度降至当前速度的一半;当缓存模块的剩余空间又恢复到50%以上时,采集速度再次恢复到最大速度。根据实际需要,预设值和预设速度可以细分为多个,实现逐级递增或递减。从而既能最大限度的利用移动终端的处理能力,又能防止因采集速度过快导致数据溢出,进而导致数据丢失。
时间控制模块200,设置为确定一时间,使得采集模块在所述时间内连续采集图像数据。具体地,时间控制模块所确定的时间,可以由用户输入,或者移动终端已内置。
测光模块300,设置为获取曝光参数。
具体地,通过测光模块300获取曝光参数。在拍摄过程中,测光模块300根据当前的环境光线强弱,移动终端ISO,光圈大小,计算出需要的曝光参数。
调整模块400,设置为从连续采集的图像数据中选择图像数据,调整被选择的图像数据的光学参数。进一步,调整模块400调整的被选择的图像数据的光学参数包括亮度,所述调整模块设置为根据所述曝光参数和所述时间, 调整被选择的图像数据的光学参数,比如亮度。
比如,通过使用软件算法,实现修改图像数据的亮度。对采集模块连续采集的全部或者部分的图像数据进行亮度调整的操作,模拟出控制光圈的效果。
另外,从连续采集的图像数据中选择图像数据,可以是全部选择,或者部分选择。
合成模块500,设置为合成被调整的图像数据。
具体地,将被调整的图像数据叠加、覆盖或者其他方式合成。比如,经过合成之后,生成一张图像数据。
假设采集模块采集的第1张图像数据的RGB或者YUV信息为RGB1或YUV1(因YUV与RGB可互相转换,以下统一采用YUV来描述),则第n张图像数据的YUV信息为:YUVn=(1/m)*(YUV1+….+YUVn-1),其中m为光圈参数值。
1/m代表了设定的光圈大小与原始光圈的比例。
比如原始光圈大小为f,设定的光圈大小为f0,则:
f0:f=1:m
对应的,请参阅图4,其为本发明第二实施例提供的移动终端的拍摄方法的流程示意图。
本发明第二实施例提供的移动终端的拍摄方法,其包括以下步骤:
步骤S11、获取曝光参数。
具体地,通过测光模块获取曝光参数。在拍摄过程中,测光模块根据当前的环境光线强弱、移动终端ISO或/和光圈大小,计算出需要的曝光参数。
步骤S12、确定连续采集图像数据的时间。
具体地,时间控制模块所确定的时间,可以由用户输入,或者移动终端已内置。
步骤S13、在所述时间内连续采集图像数据。
具体地,以采集模块为摄像头来举例说明。拍摄开始后,在所述时间内,摄像头连续采集图像数据至缓存模块。优选地,根据缓存模块的剩余空间实时调整采集速度。
当用户按下快门按键或触发虚拟快门按键后,开始进行拍摄,连续采集 图像数据至缓存模块。在采集图像数据的过程中,实时判断缓存模块的剩余空间是否达到预设值,若是,则将采集速度调整到预设速度。
例如,检测到缓存模块的剩余空间在50%以上时,则以最大速度采集图像数据;当检测到缓存模块的剩余空间小于50%时,则将采集速度降至当前速度的一半;当缓存模块的剩余空间又恢复到50%以上时,采集速度再次恢复到最大速度。根据实际需要,预设值和预设速度可以细分为多个,实现逐级递增或递减。从而既能最大限度的利用移动终端的处理能力,又能防止因采集速度过快导致数据溢出,进而导致数据丢失。
步骤S14、根据所述曝光参数和所述时间,调整被选择的图像数据的光学参数。
以被调整的光学参数为亮度来举例。
比如,通过使用软件算法,实现修改图像数据的亮度。对采集模块连续采集的全部或者部分的图像数据进行亮度调整的操作,模拟出控制光圈的效果。
另外,从连续采集的图像数据中选择图像数据,可以是全部选择,或者部分选择。
步骤S15、合成被调整的图像数据。
具体地,将被调整的图像数据叠加、覆盖或者其他方式合成。比如,经过合成之后,生成一张图像数据。
假设采集模块采集的第1张图像数据的RGB或者YUV信息为RGB1或YUV1(因YUV与RGB可互相转换,以下统一采用YUV来描述),则第n张图像数据的YUV信息为:YUVn=(1/m)*(YUV1+….+YUVn-1),其中m为光圈参数值。
1/m代表了设定的光圈大小与原始光圈的比例。
比如原始光圈大小为f,设定的光圈大小为f0,则:
f0:f=1:m
需要说明的是,前述步骤S11和S12之间的时间顺序不局限于先后,或者谁先谁后,可以包括多种可能。
实施例三:
请参阅图5,其为本发明第三实施例提供的移动终端的模块示意图。
一种移动终端,其包括:采集模块1000、调整模块2000、测光模块3000、时间控制模块4000,和合成模块5000。
采集模块1000,设置为连续采集图像数据。
具体地,以采集模块为摄像头来举例说明。拍摄开始后,摄像头连续采集图像数据至缓存模块。优选地,根据缓存模块的剩余空间实时调整采集速度。
当用户按下快门按键或触发虚拟快门按键后,开始进行拍摄,连续采集图像数据至缓存模块。在采集图像数据的过程中,实时判断缓存模块的剩余空间是否达到预设值,若是,则将采集速度调整到预设速度。
例如,检测到缓存模块的剩余空间在50%以上时,则以最大速度采集图像数据;当检测到缓存模块的剩余空间小于50%时,则将采集速度降至当前速度的一半;当缓存模块的剩余空间又恢复到50%以上时,采集速度再次恢复到最大速度。根据实际需要,预设值和预设速度可以细分为多个,实现逐级递增或递减。从而既能最大限度的利用移动终端的处理能力,又能防止因采集速度过快导致数据溢出,进而导致数据丢失。
调整模块2000,设置为从连续采集的图像数据中选择图像数据,设定并根据光圈参数值,调整被选择的图像数据的光学参数。进一步,调整模块调整的被选择的图像数据的光学参数包括亮度,所述调整模块设置为根据所述光圈参数值,调整被选择的图像数据的亮度。需要说明的是从连续采集的图像数据中选择图像数据,设定并根据光圈参数值这2个步骤之间的先后顺序不做限定,也即二者之间的先后顺序包括多种可能。
比如,通过使用软件算法,实现修改图像数据的亮度。对采集模块连续采集的全部或者部分的图像数据进行亮度调整的操作,模拟出控制光圈的效果。
另外,从连续采集的图像数据中选择图像数据,可以是全部选择,或者部分选择。
测光模块3000,设置为获取曝光参数。
具体地,通过测光模块获取曝光参数。在拍摄过程中,测光模块根据当前的环境光线强弱,移动终端ISO,光圈大小,计算出需要的曝光参数。
时间控制模块4000,设置为根据曝光参数和光圈参数值,确定一时间, 使得采集模块在所述时间内连续采集图像数据。
合成模块5000,设置为合成被调整的图像数据。
具体地,将被调整的图像数据叠加、覆盖或者其他方式合成。比如,经过合成之后,生成一张图像数据。
假设采集模块采集的第1张图像数据的RGB或者YUV信息为RGB1或YUV1(因YUV与RGB可互相转换,以下统一采用YUV来描述),则第n张图像数据的YUV信息为:YUVn=(1/m)*(YUV1+….+YUVn-1),其中m为光圈参数值。
1/m代表了设定的光圈大小与原始光圈的比例。
比如原始光圈大小为f,设定的光圈大小为f0,则:
f0:f=1:m
对应的,请参阅图6,其为本发明第三实施例提供的移动终端的拍摄方法的流程示意图。
本发明第三实施例提供的移动终端的拍摄方法,其包括以下步骤:
步骤S111、设定光圈参数值。
具体地,通过人为输入或者移动终端内置,设定光圈参数值。
步骤S112、获取曝光参数。
具体地,通过测光模块获取曝光参数。在拍摄过程中,测光模块根据当前的环境光线强弱,移动终端ISO,光圈大小,计算出需要的曝光参数。
需要说明的是,上述步骤S111和S112的先后顺序不做限定,也即其中之一可以先执行,其中另一可以后执行,或者二者可以同时执行。
步骤S113、根据曝光参数和光圈参数值,确定连续采集图像数据的时间。
比如选用光圈优先的模式,设定了一个新的光圈(步骤S111),假设是原来光圈的二分之一,这时为了得到正确的曝光,那么合理的快门时间就应该是原来的两倍,反之亦然(前述实施例二)。
步骤S114、在所述时间内,连续采集图像数据。
具体地,以采集模块为摄像头来举例说明。拍摄开始后,在所述时间内,摄像头连续采集图像数据至缓存模块。优选地,根据缓存模块的剩余空间实时调整采集速度。
当用户按下快门按键或触发虚拟快门按键后,开始进行拍摄,连续采集图像数据至缓存模块。在采集图像数据的过程中,实时判断缓存模块的剩余空间是否达到预设值,若是,则将采集速度调整到预设速度。
例如,检测到缓存模块的剩余空间在50%以上时,则以最大速度采集图像数据;当检测到缓存模块的剩余空间小于50%时,则将采集速度降至当前速度的一半;当缓存模块的剩余空间又恢复到50%以上时,采集速度再次恢复到最大速度。根据实际需要,预设值和预设速度可以细分为多个,实现逐级递增或递减。从而既能最大限度的利用移动终端的处理能力,又能防止因采集速度过快导致数据溢出,进而导致数据丢失。
步骤S115、根据光圈参数值,调整从连续采集的图像数据中选择的图像数据的光学参数。
比如,以光学参数为亮度来举例。通过使用软件算法,实现修改图像数据的亮度。对采集模块连续采集的全部或者部分的图像数据进行亮度调整的操作,模拟出控制光圈的效果。
另外,从连续采集的图像数据中选择图像数据,可以是全部选择,或者部分选择。
步骤S116、合成被调整的图像数据。
具体地,将被调整的图像数据叠加、覆盖或者其他方式合成。比如,经过合成之后,生成一张图像数据。
假设采集模块采集的第1张图像数据的RGB或者YUV信息为RGB1或YUV1(因YUV与RGB可互相转换,以下统一采用YUV来描述),则第n张图像数据的YUV信息为:YUVn=(1/m)*(YUV1+….+YUVn-1),其中m为光圈参数值。
在上述各个实施例中,所述移动终端可以是任意的、能够与其他设备通信的电子装置,包括但不局限于:个人电脑、手持设备、电子平板、个人数字助理(PDA)、移动电话、网络家电(network appliances)、相机、摄像机、智能手机、网络基站、媒体播放器、导航设备、电子邮件设备、游戏设备、自动化信息系统(比如带控制面板的娱乐系统)以及前述设备的组合。
采用本发明,通过调整被选择的图像数据的光学参数,合成被调整的图像数据,实现快门优先或光圈优选等曝光模式的拍摄效果。
以上参照附图说明了本发明的优选实施例,并非因此局限本发明的权利范围。本领域技术人员不脱离本发明的范围和实质,可以有多种变型方案实现本发明,比如作为一个实施例的特征可用于另一实施例而得到又一实施例。凡在运用本发明的技术构思之内所作的任何修改、等同替换和改进,均应在本发明的权利范围之内。
工业适用性
本发明所提供的移动终端及其拍摄方法,通过调整被选择的图像数据的光学参数,并合成被调整的图像数据,使得移动终端拍摄时也能实现快门优先或光圈优选等曝光模式的拍摄效果,提升了用户体验。

Claims (20)

  1. 一种移动终端,包括:
    采集模块,设置为连续采集图像数据;
    调整模块,设置为设定光圈参数值,从连续采集的图像数据中选择图像数据,并根据所述光圈参数值调整被选择的图像数据的光学参数;
    测光模块,设置为获取曝光参数;
    时间控制模块,设置为根据所述曝光参数和光圈参数值,确定一时间,使得采集模块在所述时间内连续采集图像数据;
    合成模块,设置为合成被调整的图像数据。
  2. 一种移动终端的拍摄方法,包括步骤:
    设定光圈参数值,获取曝光参数;
    根据所述曝光参数和光圈参数值,确定连续采集图像数据的时间,并在确定的时间内连续采集图像数据;
    从连续采集的图像数据中选择图像数据,并根据所述光圈参数值调整被选择的图像数据的光学参数;
    合成被调整的图像数据。
  3. 一种移动终端,包括:
    采集模块,设置为连续采集图像数据;
    调整模块,设置为从连续采集的图像数据中选择图像数据,调整被选择的图像数据的光学参数;
    合成模块,设置为合成被调整的图像数据。
  4. 根据权利要求3所述的移动终端,其中,还包括:
    时间控制模块,设置为确定一时间,使得采集模块在所述时间内连续采集图像数据。
  5. 根据权利要求4所述的移动终端,其中,
    所述移动终端还包括测光模块,所述测光模块设置为获取曝光参数;
    所述调整模块,进一步设置为根据所述曝光参数和所述时间,调整被选择的图像数据的亮度。
  6. 根据权利要求3所述的移动终端,其中,采集模块连续采集的各个图 像数据的曝光时间不全部相同。
  7. 根据权利要求3所述的移动终端,其中,还包括:
    测光模块,设置为获取曝光参数;以及
    时间控制模块,设置为根据所述曝光参数,确定一时间,使得采集模块在所述时间内连续采集图像数据。
  8. 根据权利要求7所述的移动终端,其中,所述测光模块设置为:根据当前的环境光线强弱、移动终端ISO或/和光圈大小,计算出需要的曝光参数。
  9. 根据权利要求3所述的移动终端,其中,所述调整模块进一步设置为:设定光圈参数值,根据所述光圈参数值调整被选择的图像数据的光学参数。
  10. 根据权利要求9所述的移动终端,其中,还包括:
    测光模块,设置为获取曝光参数;以及
    时间控制模块,设置为根据所述曝光参数和光圈参数值,确定一时间,使得采集模块在所述时间内连续采集图像数据。
  11. 根据权利要求3所述的移动终端,其中,所述采集模块设置为:根据缓存的剩余空间实时调整采集速度。
  12. 根据权利要求11所述的移动终端,其中,所述采集模块设置为:实时判断缓存的剩余空间是否达到预设值,若是,则将采集速度调整到预设速度。
  13. 一种移动终端的拍摄方法,包括:
    连续采集图像数据;
    从连续采集的图像数据中选择图像数据,调整被选择的图像数据的光学参数;
    合成被调整的图像数据。
  14. 根据权利要求13所述的移动终端的拍摄方法,其中,在所述连续采集图像数据的步骤之前,还包括:
    确定连续采集图像数据的时间。
  15. 根据权利要求14所述的移动终端的拍摄方法,其中,
    所述方法还包括:获取曝光参数;
    所述调整被选择的图像数据的光学参数的步骤,进一步包括:根据所述曝光参数和所述时间,调整被选择的图像数据的亮度。
  16. 根据权利要求13所述的移动终端的拍摄方法,其中,
    所述方法还包括:设定光圈参数值;
    所述调整被选择的图像数据的光学参数的步骤,进一步包括:根据所述光圈参数值,调整被选择的图像数据的光学参数。
  17. 根据权利要求16所述的移动终端的拍摄方法,其中,
    所述方法还包括:获取曝光参数;
    根据所述曝光参数和光圈参数值,确定连续采集图像数据的时间。
  18. 根据权利要求17所述的移动终端的拍摄方法,其中,所述获取曝光参数包括:根据当前的环境光线强弱、移动终端ISO或/和光圈大小,计算出需要的曝光参数。
  19. 根据权利要求13所述的移动终端的拍摄方法,其中,所述方法还包括:设定光圈参数值,根据所述光圈参数值调整被选择的图像数据的光学参数。
  20. 根据权利要求19所述的移动终端的拍摄方法,其中,所述方法还包括:
    获取曝光参数;
    根据所述曝光参数和光圈参数值,确定一时间,使得采集模块在所述时间内连续采集图像数据。
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