CN113014747B - Under-screen camera module, image processing method and terminal - Google Patents
Under-screen camera module, image processing method and terminal Download PDFInfo
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- CN113014747B CN113014747B CN201911309354.3A CN201911309354A CN113014747B CN 113014747 B CN113014747 B CN 113014747B CN 201911309354 A CN201911309354 A CN 201911309354A CN 113014747 B CN113014747 B CN 113014747B
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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
- H04N23/50—Constructional details
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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
- H04N23/80—Camera processing pipelines; Components thereof
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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
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
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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
- H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides an under-screen camera module, an image processing method and a terminal, comprising the following steps: a display screen, the display screen comprising: an infrared light transparent cathode, a light-emitting layer positioned below the infrared light transparent cathode, and an infrared light transparent anode positioned below the light-emitting layer; the infrared camera is arranged at the periphery of the common camera. According to the embodiment of the invention, the infrared camera is arranged below the display screen to assist the common camera by utilizing the infrared perspective effect of the display screen, and the image acquired by the common camera is corrected by utilizing the image acquired by the infrared camera so as to improve the imaging effect of the camera under the screen.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an under-screen camera module, an image processing method, and a terminal.
Background
The mobile phone terminal is towards the comprehensive screen, the screen occupation ratio is as large as possible, and the camera, the light sensor, the proximity sensor and the like become the bottleneck of design. In order to cope with the current trend, there are several ways in the related art: the front shooting lower part placement scheme, the mechanical motor hiding front camera scheme, the side upper pop-up camera scheme, the water drop screen, the Liu Haibing scheme and the like have obvious defects and disadvantages, the front shooting lower part placement scheme increases the width of a mobile phone 'chin', the mobile phone is required to be inverted during self-shooting, and the operation is inconvenient; the mechanical Ma Daqian camera and the pop-up type front camera on the side surface both raise the industrial design difficulty, reduce the reliability, improve the cost, and damage the aesthetic feeling of the whole modeling; the water drop screen and Liu Haibing cause the problems of damage to the whole display area, incomplete display and the like. Therefore, an under-screen image capturing technique has been developed.
Currently, the main schemes of under-screen shooting are as follows: adding a Black spot removing algorithm and a color removing algorithm to the opaque light-scattering sheet of the camera light-transmitting hole part of the LED screen, and removing Black Matrix of the camera light-transmitting hole part on the display screen; the OLED is also a scheme of removing part of pixel points and performing color shift adjustment to realize less influence on screen display as much as possible. The schemes sacrifice part of display performance of the display screen of the camera area, so that the part of the display screen presents a part of light-transmitting state when the camera is started, but even if the processing is performed, the imaging performance of the camera still has certain attenuation, and both screen display and camera imaging are affected.
Disclosure of Invention
The invention provides an under-screen camera module, an image processing method and a terminal, which solve the problems that in the under-screen camera technology, the imaging performance is poor and the normal display of a screen is affected.
An embodiment of the present invention provides an under-screen camera module, including:
a display screen, the display screen comprising: an infrared light transparent cathode, a light-emitting layer positioned below the infrared light transparent cathode, and an infrared light transparent anode positioned below the light-emitting layer;
the infrared camera is arranged at the periphery of the common camera.
The embodiment of the invention provides an image processing method which is applied to a terminal comprising the under-screen camera module, and comprises the following steps:
acquiring first image data acquired by the common camera and second image data acquired by the infrared camera;
and correcting the first image data according to the second image data to obtain final imaging data.
The embodiment of the invention provides a terminal, which comprises: the under-screen camera module; further comprises:
the acquisition module is used for acquiring the first image data acquired by the common camera and the second image data acquired by the infrared camera;
and the correction module is used for correcting the first image data according to the second image data to obtain final imaging data.
The embodiment of the invention provides a terminal, which comprises: a processor; the device comprises a processor, a memory connected with the processor, a transceiver connected with the processor, an antenna, an image processing chip, a common camera and an infrared camera connected with the image processing chip, and a light sensing sensor connected with the common camera and the infrared camera; the processor is used for calling and executing the programs and data stored in the memory to realize the steps of the image processing method.
Embodiments of the present invention provide a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the image processing method described above.
The technical scheme of the embodiment of the invention has the beneficial effects that: the infrared camera is arranged below the display screen to assist the common camera by utilizing the infrared perspective effect of the display screen, and the image acquired by the common camera is corrected by utilizing the image acquired by the infrared camera so as to improve the imaging effect of the camera below the screen.
Drawings
FIG. 1 is a schematic diagram of a display screen according to an embodiment of the present invention;
FIG. 2 is a flow chart of an image processing method according to an embodiment of the present invention;
FIG. 3 is a second flowchart of an image processing method according to an embodiment of the invention;
fig. 4 is a schematic block diagram of a terminal according to an embodiment of the present invention;
fig. 5 shows a block diagram of a terminal according to an embodiment of the invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided merely to facilitate a thorough understanding of embodiments of the invention. It will therefore be apparent to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In the description of the embodiments of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
The embodiment of the invention provides an under-screen camera module, which comprises: the display screen, the ordinary camera and the infrared camera that are located under the display screen.
As shown in fig. 1, the display screen includes: an infrared light transparent cathode 101, a light emitting layer 102 under the infrared light transparent cathode 101, and an infrared light transparent anode 103 under the light emitting layer 102. The common camera and the infrared camera are arranged below the infrared transparent anode 103, and the infrared camera is arranged at the periphery of the common camera, namely, the infrared camera is arranged around the common camera. Alternatively, the number of the infrared cameras may be set to be plural, and the plural infrared cameras may be uniformly distributed on the periphery of the ordinary camera. The infrared camera provided by the embodiment of the invention assists in imaging, the infrared camera under the screen corresponds to the screen display area of the display screen (such as an OLED screen, an AMOLED screen and the like), the internal cathode and anode of the OLED screen have good infrared light transmission performance, and most infrared light can transmit the whole display area, so that the infrared camera obtains good infrared imaging effect.
In this way, in order to improve the imaging performance of the under-screen camera, the area of the transparent area of the screen is not increased, one or more infrared cameras are added under the screen by utilizing the infrared light transmittance performance of the AMOLED screen, the infrared imaging of the infrared cameras is utilized, the imaging result of the infrared imaging is compared and synthesized with the imaging result of the common camera through software, and elements of a photo or a video are added after comprehensive imaging, so that the imaging effect of the photo or the video is improved.
In addition, in various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the order of execution, and the order of execution of the processes should be determined by the functions and internal logic thereof, and should not constitute any limitation on the implementation process of the embodiments of the present invention.
In the examples provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B may be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may also determine B from a and/or other information.
As shown in fig. 2, an embodiment of the present invention provides an image processing method, which specifically includes the following steps:
step 21: and acquiring first image data acquired by the common camera and second image data acquired by the infrared camera.
The common camera is a common camera and is used as a main camera, the collected first image data is a color image, and the first image data comprises but is not limited to a photo or a video. The infrared camera is used as an auxiliary camera, the acquired second image data is an infrared image, and the second image data comprises but is not limited to a photo or a video.
In some embodiments of the invention, step 21 further comprises, prior to: receiving a shooting instruction input by a user; and starting the common camera and the infrared camera according to the shooting instruction. And when a shooting instruction input by a user, such as a self-shooting instruction, is received, a self-shooting mode is started, and the front camera is started, namely the common camera and the infrared camera are started.
Step 22: and correcting the first image data according to the second image data to obtain final imaging data.
The second image data is an infrared image with less light loss, and the details are rich; the first image is a color image with a large light loss. And correcting the first image data according to the second image data with rich details to obtain final imaging data.
Optionally, step 22 may include: comparing the first image data with the second image data to obtain correction parameters, wherein the correction parameters comprise: at least one of imaging displacement, image distortion, size adjustment parameters and focal length imaging adjustment parameters of the common camera and the infrared camera; determining an effective portion of the second image data based on the correction parameters; and performing superposition correction on the first image data according to the effective part of the second image data.
In the embodiment of the invention, the first image data is a normal color image, and the second image data is an infrared image. The method comprises the steps that a common camera shoots a normal photo or video, an infrared camera shoots an infrared imaging photo or video, data are transmitted to a baseband processing chip after being processed, the baseband chip compares each frame of image of the normal photo or video with each frame of image of the infrared photo or video corresponding to the same time point, imaging displacement and deformity correction caused by different angle differences are calculated, and available parts of original data are synthesized and processed to form a final image.
As shown in fig. 3, the image processing method according to the embodiment of the present invention includes the steps of:
step 31: the self-timer mode is turned on.
Step 32: the common camera is started, and the infrared camera is started.
Step 33: a common camera shoots a color image, and an infrared camera shoots an infrared image.
Step 34: and (3) data processing, namely comparing the color image with the infrared image, and correcting and superposing the available imaging part.
Step 35: forming a final image.
When a user operates the mobile phone to open a camera, a self-shooting mode is started, software calls a front-end common camera and one or more front-end infrared cameras to start, the front-end common camera shoots a normal color photo or video, the infrared cameras shoot infrared imaging photos or videos, data are transmitted to a baseband processing chip after being processed, the baseband chip compares each frame of image of the normal color photo or video with each frame of image of the infrared photo or video corresponding to the same time point, imaging displacement and deformity correction caused by different angle differences are calculated, and available parts of original data are synthesized and processed to form a final image. The image at this time synthesizes the visible light imaging image and the infrared light imaging image effective part, the imaging effect is far better than the common under-screen shooting effect, and is close to the common proactive shooting effect.
According to the embodiment of the invention, under the condition that the display of the OLED screen is not affected, one or more infrared cameras are added under the screen, the infrared cameras are arranged under the display screen to assist the common cameras by utilizing the infrared camera-acquired images, the image-acquired images of the common cameras are corrected by utilizing the infrared camera-acquired images, imaging data are subjected to secondary processing and then are synthesized with the image-shot by the common cameras under the screen to form a final image, the current under-screen shooting effect is greatly improved, and the under-screen camera imaging effect is improved.
The foregoing embodiments are described with respect to the image processing method of the present invention, and the following embodiments will further describe a corresponding terminal thereof with reference to the accompanying drawings.
The terminal according to the embodiment of the present invention includes the under-screen camera module in the above embodiment, as shown in fig. 4, the terminal 400 further includes:
an acquisition module 410, configured to acquire first image data acquired by a common camera and second image data acquired by an infrared camera;
the correction module 420 is configured to correct the first image data according to the second image data, so as to obtain final imaging data.
Optionally, the correction module 420 includes:
the computing sub-module is used for comparing and computing the first image data and the second image data to obtain correction parameters, and the correction parameters comprise: at least one of imaging displacement, image distortion, size adjustment parameters and focal length imaging adjustment parameters of the common camera and the infrared camera;
a determining sub-module for determining an effective portion of the second image data based on the imaging displacement;
and the correction sub-module is used for carrying out superposition correction on the first image data according to the effective part of the second image data.
Optionally, the terminal 400 further includes:
the receiving module is used for receiving shooting instructions input by a user;
and the starting module is used for starting the common camera and the infrared camera according to the shooting instruction.
The terminal embodiment of the invention corresponds to the embodiment of the method, and all the implementation means in the embodiment of the method are applicable to the embodiment of the terminal, so that the same technical effect can be achieved. The terminal utilizes the infrared perspective effect of the display screen, the infrared camera is arranged under the display screen to assist the common camera, and the image collected by the common camera is corrected by utilizing the image collected by the infrared camera so as to improve the imaging effect of the camera under the screen.
As shown in fig. 5, this embodiment provides a terminal including:
a processor 51; and a memory 53 connected to the processor 51 through a bus interface 52, the memory 53 storing programs and data used by the processor 41 in performing operations, when the processor 51 calls and executes the programs and data stored in the memory 53, the following process is performed.
Wherein a transceiver 54 is coupled to the bus interface 52 for receiving and transmitting data under the control of the processor 51. The method comprises the steps of,
an antenna connected to the processor 51, an image processing chip, a normal camera and an infrared camera connected to the image processing chip, and a light sensing sensor connected to the normal camera and the infrared camera;
the processor 51 is configured to: acquiring first image data acquired by a common camera and second image data acquired by an infrared camera; and correcting the first image data according to the second image data to obtain final imaging data.
It should be noted that in fig. 5, the bus architecture may include any number of interconnected buses and bridges, and in particular, one or more processors represented by processor 51 and various circuits of memory represented by memory 53, linked together. The bus architecture may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. The bus interface provides an interface. The transceiver 54 may be a number of elements, including a transmitter and a transceiver, providing a means for communicating with various other apparatus over a transmission medium. The user interface 55 may also be an interface capable of interfacing with an internal connection requiring device for a different terminal, including but not limited to a keypad, display, speaker, microphone, joystick, etc. The processor 51 is responsible for managing the bus architecture and general processing, and the memory 53 may store data used by the processor 51 in performing operations.
Those skilled in the art will appreciate that all or part of the steps of implementing the above-described embodiments may be implemented by hardware, or may be implemented by instructing the relevant hardware by a computer program comprising instructions for performing some or all of the steps of the above-described methods; and the computer program may be stored in a readable storage medium, which may be any form of storage medium.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements the processes of the above-mentioned image processing method embodiment, and can achieve the same technical effects, so that repetition is avoided, and no further description is given here. Wherein the computer readable storage medium is selected from Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk.
Furthermore, it should be noted that in the apparatus and method of the present invention, it is apparent that the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present invention. Also, the steps of performing the series of processes described above may naturally be performed in chronological order in the order of description, but are not necessarily performed in chronological order, and some steps may be performed in parallel or independently of each other. It will be appreciated by those of ordinary skill in the art that all or any of the steps or components of the methods and apparatus of the present invention may be implemented in hardware, firmware, software, or a combination thereof in any computing device (including processors, storage media, etc.) or network of computing devices, as would be apparent to one of ordinary skill in the art after reading this description of the invention.
The object of the invention can thus also be achieved by running a program or a set of programs on any computing device. The computing device may be a well-known general purpose device. The object of the invention can thus also be achieved by merely providing a program product containing program code for implementing said method or apparatus. That is, such a program product also constitutes the present invention, and a storage medium storing such a program product also constitutes the present invention. It is apparent that the storage medium may be any known storage medium or any storage medium developed in the future. It should also be noted that in the apparatus and method of the present invention, it is apparent that the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present invention. The steps of executing the series of processes may naturally be executed in chronological order in the order described, but are not necessarily executed in chronological order. Some steps may be performed in parallel or independently of each other.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (8)
1. An under-screen camera module, comprising:
a display screen, the display screen comprising: an infrared light transparent cathode, a light-emitting layer positioned below the infrared light transparent cathode, and an infrared light transparent anode positioned below the light-emitting layer;
the infrared camera is arranged at the periphery of the common camera;
acquiring first image data acquired by the common camera and second image data acquired by the infrared camera; the second image data is an infrared image with small light loss, and the first image is a color image with large light loss;
correcting the first image data according to the second image data to obtain final imaging data, including: comparing the first image data with the second image data to obtain correction parameters, wherein the correction parameters comprise: at least one of imaging displacement, image distortion, size adjustment parameters and focal length imaging adjustment parameters of the common camera and the infrared camera;
determining an effective portion of the second image data based on the correction parameters;
and performing superposition correction on the first image data according to the effective part of the second image data.
2. The under-screen camera module of claim 1, wherein the number of infrared cameras is a plurality.
3. An image processing method applied to a terminal comprising the under-screen camera module as claimed in claim 1 or 2, characterized in that:
receiving a shooting instruction input by a user;
starting the common camera and the infrared camera according to the shooting instruction;
acquiring first image data acquired by the common camera and second image data acquired by the infrared camera; the second image data is an infrared image with small light loss, and the first image is a color image with large light loss;
correcting the first image data according to the second image data to obtain final imaging data, including: comparing the first image data with the second image data to obtain correction parameters, wherein the correction parameters comprise: at least one of imaging displacement, image distortion, size adjustment parameters and focal length imaging adjustment parameters of the common camera and the infrared camera;
determining an effective portion of the second image data based on the correction parameters;
and performing superposition correction on the first image data according to the effective part of the second image data.
4. A terminal, comprising: the under-screen camera module of claim 1 or 2; characterized by further comprising:
the acquisition module is used for acquiring the first image data acquired by the common camera and the second image data acquired by the infrared camera;
and the correction module is used for correcting the first image data according to the second image data to obtain final imaging data.
5. The terminal of claim 4, wherein the correction module comprises:
the computing sub-module is used for comparing and computing the first image data and the second image data to obtain correction parameters, and the correction parameters comprise: at least one of imaging displacement, image distortion, size adjustment parameters and focal length imaging adjustment parameters of the common camera and the infrared camera;
a determining submodule for determining an effective part of the second image data according to the correction parameter;
and the correction sub-module is used for carrying out superposition correction on the first image data according to the effective part of the second image data.
6. The terminal of claim 4, further comprising:
the receiving module is used for receiving shooting instructions input by a user;
and the starting module is used for starting the common camera and the infrared camera according to the shooting instruction.
7. A terminal, comprising: a processor; the device comprises a processor, a memory connected with the processor, a transceiver connected with the processor, an antenna, an image processing chip, a common camera and an infrared camera connected with the image processing chip, and a light sensing sensor connected with the common camera and the infrared camera; wherein the processor is adapted to invoke and execute programs and data stored in the memory, implementing the steps of the image processing method according to claim 3.
8. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, implements the steps of the image processing method according to claim 3.
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| EP2921995A1 (en) * | 2014-03-21 | 2015-09-23 | Fluke Corporation | Visible light image with edge marking for enhancing ir imagery |
| WO2017132903A1 (en) * | 2016-02-03 | 2017-08-10 | 徐鹤菲 | Biometric composite imaging system and method reusable with visible light |
| CN109074438A (en) * | 2016-02-03 | 2018-12-21 | 北京释码大华科技有限公司 | With the biological characteristic complex imaging system and method for visible light multiplexing |
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