WO2016011758A1 - 图像处理方法和图像处理装置 - Google Patents

图像处理方法和图像处理装置 Download PDF

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Publication number
WO2016011758A1
WO2016011758A1 PCT/CN2014/092612 CN2014092612W WO2016011758A1 WO 2016011758 A1 WO2016011758 A1 WO 2016011758A1 CN 2014092612 W CN2014092612 W CN 2014092612W WO 2016011758 A1 WO2016011758 A1 WO 2016011758A1
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Prior art keywords
image
processing
shake
foreground
background
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French (fr)
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黄正艺
肖立锋
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Yulong Computer Telecommunication Scientific Shenzhen 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
    • H04N23/80—Camera processing pipelines; Components thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/95—Computational photography systems, e.g. light-field imaging systems
    • H04N23/951—Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio

Definitions

  • the present invention relates to the field of image processing technologies, and in particular, to an image processing method and an image processing apparatus.
  • the application of the device with dual camera devices is more and more popular in real life.
  • the two camera devices work at the same time, the user only sees the scene shot by one camera device, but does not see it.
  • the scene captured by the second camera At this time, the role of the second camera device is to collect more data and analyze the data to form a file in JPEG format, which may be applied to aspects such as reducing digital noise, adjusting pictures, or increasing depth of field.
  • the existing anti-shake processing technology can detect the tiny moving signal generated by the lens shooting through the gyroscope in the lens, and transmit the signal to the image processing processor, and the processor calculates the displacement amount that needs to be compensated finally, and then The shaking directions of the two lenses are separately compensated, thereby effectively overcoming the image blur caused by the vibration of the imaging lens.
  • the anti-shake processing of the device takes a long time and consumes more energy.
  • the invention is based on the above technical problems, and proposes a new technical solution, which shortens the time of image processing and reduces the energy consumption of image processing.
  • an image processing method for processing an image acquired by a terminal of a dual camera, the terminal including a first camera and a second camera, and the method in the image
  • the method includes: acquiring a first image by using the first camera, and acquiring a second image by using the second camera; according to the first image and the second image An angle difference and an offset amount, a relative displacement compensation amount between the first image and the second image is determined; and the first image or the second image is compensated according to the relative displacement compensation amount to implement Anti-shake processing.
  • the first camera and the second camera may be controlled to simultaneously perform shooting, or may be photographed at predetermined small time intervals to ensure that the first camera and the second camera capture images for the same scene, or When shooting at a predetermined small time interval, the scene does not change or the change is small to ensure that the images acquired by the first camera and the second camera are associated, so that the anti-shake processing is subsequently performed to obtain an image after the anti-shake processing.
  • the first camera and the second camera simultaneously capture the same scene.
  • one of the two images captured by the first camera and the second camera is used as the main image, and the other is used as the sub-image, which is used as a reference for displacement compensation, and compensates according to the relative displacement between the two images.
  • the amount of the main image is compensated to achieve anti-shake processing, thereby shortening the time of image processing and reducing the energy consumption of image processing.
  • the two images are compared and combined to obtain a relative displacement compensation amount between the main image and the sub image, and the main image is compensated according to the relative displacement compensation amount.
  • anti-shake processing is achieved by using the angle difference and the displacement between the two images.
  • the foreground edge extraction method for adaptive recursive learning includes: establishing a segmented MRF model of the foreground and background regions, using pixels of the foreground and background edges as seed markers, and obtaining the propagation of the seed markers in the model, that is, minimizing the energy function.
  • the foreground area to complete the split.
  • the foreground and the background are separately subjected to anti-shake processing after distinguishing the foreground and the background, so that it is not necessary to directly perform the anti-shake processing of the entire screen, thereby improving the flexibility of image processing, so that the information we need can be It is processed faster and more perfectly, and the data processing amount of the software is minimized, and the image processing time is effectively shortened.
  • This processing method not only reduces the power consumption of the terminal, but also can be used for image processing.
  • the core processor frees up more time to do other things.
  • the image processing setting option includes: performing anti-shake processing on the foreground and the background at the same time, performing anti-shake processing only on the foreground, and performing anti-shake processing only on the background And anti-shake processing the foreground according to a predetermined accuracy, anti-shake processing of the background according to a predetermined accuracy, and no anti-shake processing.
  • the flexibility of the anti-shake processing can be improved by setting an image processing setting option for the foreground and the background.
  • the image processing setting option is set to perform anti-shake processing only on the foreground, that is, the background is not subjected to anti-shake processing, which reduces the time taken for the screen processing, and can also save energy.
  • setting the anti-shake processing on the background according to a predetermined precision can improve the accuracy of the anti-shake processing of the background, so that the main object in the camera lens can be presented more clearly and more perfectly, and the object is improved.
  • the flexibility of image processing allows users to get faster shooting information and save energy.
  • the anti-shake processing is performed on the foreground and/or the background according to the predetermined precision, including: adjusting the foreground and/or the according to the preset accuracy The amount of displacement compensation of the background, wherein the lower the predetermined accuracy, the smaller the amount of displacement compensation for the foreground and/or the background.
  • the higher the preset accuracy the higher the amount of displacement compensation for the foreground and/or the background, and accordingly, the objects in the foreground and/or the background can be presented more clearly and more accurately;
  • the lower the preset accuracy the lower the difficulty of anti-shake processing for things in the foreground and/or background, which reduces the time spent on image processing, making the user get faster shooting information and saving energy. Consumption increases the flexibility of image processing.
  • the method further includes: using the first image and the second image according to an angle difference and an offset between the first image and the second image, or Shaking the processed first image and the second image, or the first image and passing through The second image after the shaking process, or the first image after the anti-shake processing and the second image after the anti-shake processing are generated to generate a 3D image.
  • two images are compared and combined according to the angular difference and the offset of the two images taken to generate different levels of images with 3D effects, thereby improving the user experience, and the 3D processing can be performed. It can also be used after anti-shake processing before anti-shake processing.
  • a second aspect of the present invention provides an image processing apparatus for processing an image acquired by a terminal of a dual camera, the terminal comprising a first camera and a second camera, the image processing apparatus comprising: a first acquisition unit Obtaining a first image by using the first camera, acquiring a second image by using the second camera, and determining a unit, determining, according to an angle difference and an offset between the first image and the second image, And a relative displacement compensation amount between the first image and the second image; and an execution unit that compensates the first image or the second image according to the relative displacement compensation amount to implement anti-shake processing.
  • the first camera and the second camera may be controlled to simultaneously perform shooting, or may be photographed at predetermined small time intervals to ensure that the first camera and the second camera capture images for the same scene, or When shooting at a predetermined small time interval, the scene does not change or the change is small to ensure that the images acquired by the first camera and the second camera are associated, so that the anti-shake processing is subsequently performed to obtain an image after the anti-shake processing.
  • the first camera and the second camera simultaneously capture the same scene.
  • one of the two images captured by the first camera and the second camera is used as the main image, and the other is used as the sub-image, which is used as a reference for displacement compensation, and compensates according to the relative displacement between the two images.
  • the amount of the main image is compensated to achieve anti-shake processing, thereby shortening the time of image processing and reducing the energy consumption of image processing.
  • the two images are compared and combined to obtain a relative displacement compensation amount between the main image and the sub image, and the main image is compensated according to the relative displacement compensation amount.
  • anti-shake processing is achieved by using the angle difference and the displacement between the two images.
  • the method further includes: a second acquiring unit, acquiring a foreground and a background of the first image and the second image; and the executing unit is further configured to: set an option according to the received image processing Determining whether to perform anti-shake processing on the foreground and/or the background.
  • the foreground and the background are respectively corresponding after distinguishing the foreground and the background.
  • Anti-shake processing so that it is not necessary to directly perform anti-shake processing of the entire screen, which improves the flexibility of image processing, enables the information we need to be processed faster and more perfectly, and minimizes the data processing amount of the software. This effectively shortens the image processing time.
  • This processing method not only reduces the power consumption, but also allows the core processor used for image processing to spend more time doing other things.
  • the image processing setting option includes: performing anti-shake processing on the foreground and the background at the same time, performing anti-shake processing only on the foreground, and performing anti-shake processing only on the background And anti-shake processing the foreground according to a predetermined accuracy, anti-shake processing of the background according to a predetermined accuracy, and no anti-shake processing.
  • the flexibility of the anti-shake processing can be improved by setting an image processing setting option for the foreground and the background.
  • the image processing setting option is set to perform anti-shake processing only on the foreground, that is, the background is not subjected to anti-shake processing, which reduces the time taken for the screen processing, and can also save energy.
  • setting the anti-shake processing on the background according to a predetermined precision can improve the accuracy of the anti-shake processing of the background, so that the main object in the camera lens can be presented more clearly and more perfectly, and the object is improved.
  • the flexibility of image processing reduces the time spent on image processing, enabling users to get faster shooting information and save energy.
  • the execution unit when the execution unit performs anti-shake processing on the foreground and/or the background according to the predetermined precision, adjusting the foreground and/or according to the preset accuracy. Or a displacement compensation amount of the background, wherein the lower the predetermined accuracy, the smaller the amount of displacement compensation for the foreground and/or the background.
  • the higher the preset accuracy the higher the amount of displacement compensation for the foreground and/or the background, and accordingly, the objects in the foreground and/or the background can be presented more clearly and more accurately;
  • the lower the preset accuracy the lower the difficulty of anti-shake processing for things in the foreground and/or background, which reduces the time spent on image processing, making the user get faster shooting information and saving energy. Consumption increases the flexibility of image processing.
  • the method further includes: a 3D processing unit, configured to use the first image and the first according to an angle difference and an offset between the first image and the second image a second image, or the first image and the second image after the anti-shake processing, or the first image and the second image after the anti-shake processing, or the first image after the anti-shake processing And generating a 3D image with the second image after the anti-shake processing.
  • a 3D processing unit configured to use the first image and the first according to an angle difference and an offset between the first image and the second image a second image, or the first image and the second image after the anti-shake processing, or the first image and the second image after the anti-shake processing, or the first image after the anti-shake processing And generating a 3D image with the second image after the anti-shake processing.
  • two images are compared and combined according to the angular difference and the offset of the two images taken to generate different levels of images with 3D effects, thereby improving the user experience, and the 3D processing can be performed. It can also be used after anti-shake processing before anti-shake processing.
  • the technical solution of the invention can shorten the time of image processing, reduce the energy consumption of image processing, and perform corresponding anti-shake processing on the foreground and the background respectively, thereby improving the flexibility of image processing and effectively shortening the image processing. time.
  • FIG. 1 is a flow chart showing an image processing method according to an embodiment of the present invention
  • FIG. 2 shows a block diagram of an image processing apparatus according to an embodiment of the present invention
  • FIG. 3 is a flow chart showing an image processing method according to an embodiment of the present invention.
  • FIG. 4 shows a schematic diagram of an anti-shake process in accordance with another embodiment of the present invention.
  • FIG. 1 shows a flow chart of an image processing method in accordance with an embodiment of the present invention.
  • an image processing method includes:
  • Step 102 Acquire a first image by using a first camera, and acquire a second image by using a second camera.
  • Step 104 Determine a relative displacement compensation amount between the first image and the second image according to an angle difference between the first image and the second image and an offset amount;
  • Step 106 Compensating the first image or the second image according to the relative displacement compensation amount to implement anti-shake processing.
  • the first camera and the second camera may be controlled to simultaneously perform shooting, or may be photographed at predetermined small time intervals to ensure that the first camera and the second camera capture images for the same scene, or When shooting at a predetermined small time interval, the scene does not change or the change is small to ensure that the images acquired by the first camera and the second camera are associated, so that the anti-shake processing is subsequently performed to obtain an image after the anti-shake processing.
  • the first camera and the second camera simultaneously capture the same scene.
  • one of the two images captured by the first camera and the second camera is used as the main image, and the other is used as the sub-image, which is used as a reference for displacement compensation, and compensates according to the relative displacement between the two images.
  • the amount of the main image is compensated to achieve anti-shake processing, thereby shortening the time of image processing and reducing the energy consumption of image processing.
  • the two images are compared and combined to obtain a relative displacement compensation amount between the main image and the sub image, and the main image is compensated according to the relative displacement compensation amount.
  • anti-shake processing is achieved by using the angle difference and the displacement between the two images.
  • the method further includes: acquiring a foreground and a background of the first image and the second image; and determining whether to perform anti-shake processing on the foreground and/or the background according to the received image processing setting option.
  • the foreground and the background are separately subjected to anti-shake processing after distinguishing the foreground and the background, so that it is not necessary to directly perform the anti-shake processing of the entire screen, thereby improving the flexibility of image processing, so that the information we need can be It is processed faster and more perfectly, and the software data processing is minimized, which effectively shortens the image processing time.
  • This processing method not only reduces the power consumption of the camera, but also can be used for image processing.
  • the core processor frees up more time to do other things.
  • the image processing setting option includes: performing anti-shake processing on the foreground and the background at the same time, performing anti-shake processing only on the foreground, performing anti-shake processing only on the background, and anti-shake the foreground according to a predetermined accuracy. Processing, anti-shake processing of the background according to a predetermined accuracy, and no anti-shake processing.
  • the flexibility of the anti-shake processing can be improved by setting an image processing setting option for the foreground and the background.
  • the image processing setting option setting only the foreground is anti-shake processing, that is, the background is not subjected to anti-shake processing, which reduces the time taken for the screen processing, and also To save energy.
  • the background is subjected to anti-shake processing according to a predetermined accuracy
  • the accuracy of the anti-shake processing of the background can be reduced, and the subject matter in the camera lens can be presented more clearly and more perfectly, thereby improving image processing.
  • the flexibility which reduces the time spent on image processing, allows users to get faster shooting information and saves energy.
  • the anti-shake processing is performed on the foreground and/or the background according to a predetermined precision, including: adjusting the displacement compensation amount to the foreground and/or the background according to the preset precision, wherein, when the predetermined precision is The lower the offset, the smaller the amount of displacement compensation for the foreground and/or background.
  • the higher the preset accuracy the higher the amount of displacement compensation for the foreground and/or the background, and accordingly, the objects in the foreground and/or the background can be presented more clearly and more accurately;
  • the lower the preset accuracy the lower the difficulty of anti-shake processing for things in the foreground and/or background, which reduces the time spent on image processing, making the user get faster shooting information and saving energy. Consumption increases the flexibility of image processing.
  • the method further includes: using the first image and the second image, or the first image after the anti-shake processing, according to an angle difference and an offset between the first image and the second image
  • the second image, or the first image and the second image after the anti-shake processing, or the first image after the anti-shake processing and the second image after the anti-shake processing generate a 3D image.
  • two images are compared and combined according to the angular difference and the offset of the two images taken to generate different levels of images with 3D effects, thereby improving the user experience, and the 3D processing can be performed. It can also be used after anti-shake processing before anti-shake processing.
  • FIG. 2 shows a block diagram of an image processing apparatus in accordance with an embodiment of the present invention.
  • the image processing apparatus 200 includes: a first acquiring unit 202, acquiring a first image by using a first camera, acquiring a second image by using a second camera; and determining unit 204, according to Determining a relative displacement compensation amount between the first image and the second image by an angle difference and an offset between the image and the second image; and executing unit 206, performing the first image or the second image according to the relative displacement compensation amount Compensation to achieve anti-shake processing.
  • the first image and the second image acquired by the first acquiring unit 202 may be acquired by simultaneously capturing the same scene.
  • One of the two images captured by the first camera and the second camera is used as the main image, and the other is used as the sub-image, which is used as a reference for displacement compensation, and compensates the main image according to the relative displacement compensation amount between the two images.
  • shrink Shorter image processing time reduces the energy consumption of image processing.
  • the two images are compared and combined to obtain a relative displacement compensation amount between the main image and the sub image, and the main image is compensated according to the relative displacement compensation amount.
  • the method further includes: a second obtaining unit 208, acquiring a foreground and a background of the first image and the second image; and the executing unit 206 is further configured to: determine, according to the received image processing setting option, whether Anti-shake the foreground and / or background.
  • the foreground and the background are respectively subjected to anti-shake processing after distinguishing the foreground and the background, so that it is not necessary to directly perform anti-shake processing of the entire screen, thereby improving the flexibility of image processing and making the anti-shake processing difficult.
  • the reduction is made, the information we need can be processed faster and more perfectly, and the data processing amount of the software is minimized, and the image processing time is effectively shortened.
  • This processing method not only makes the camera work The consumption is reduced, and the core processor used for image processing can spend more time doing other things.
  • the image processing setting option includes: performing anti-shake processing on the foreground and the background at the same time, performing anti-shake processing only on the foreground, performing anti-shake processing only on the background, and anti-shake the foreground according to a predetermined accuracy. Processing, anti-shake processing of the background according to a predetermined accuracy, and no anti-shake processing.
  • the flexibility of the anti-shake processing can be improved by setting an image processing setting option for the foreground and the background.
  • the image processing setting option sets only the anti-shake processing of the foreground, that is, the anti-shake processing is not performed on the background, which makes the anti-shake processing faster, reduces the time taken for the image processing, and saves energy.
  • the background is anti-shake processing according to a predetermined accuracy
  • the accuracy of the anti-shake processing of the background can be reduced, so that the main object in the camera lens can be presented more clearly and more accurately, and the anti-shake can be reduced.
  • the difficulty of processing improves the flexibility of image processing, enabling users to get faster shooting information and save energy.
  • the displacement compensation amount for the foreground and/or the background is adjusted according to the preset accuracy, wherein, when predetermined The lower the accuracy, the smaller the amount of displacement compensation for the foreground and/or background.
  • the method further includes: a 3D processing unit 210, configured to use the first image and the second image, or the anti-shake according to an angle difference and an offset between the first image and the second image
  • a 3D processing unit 210 configured to use the first image and the second image, or the anti-shake according to an angle difference and an offset between the first image and the second image
  • the processed first image and the second image, or the first image and the second image after the anti-shake processing, or the first image after the anti-shake processing and the second image after the anti-shake processing generate a 3D image.
  • two images are compared and combined according to the angular difference and the offset of the two images taken to generate different levels of images with 3D effects, thereby improving the user experience, and the 3D processing can be performed. It can also be used after anti-shake processing before anti-shake processing.
  • FIG. 3 shows a flow chart of an image processing method in accordance with one embodiment of the present invention.
  • an image processing method includes:
  • Step 302 Acquire an image, that is, take a picture simultaneously with the first camera lens and the second camera lens.
  • Step 304 identifying the foreground and the background.
  • the background difference method is generally used to distinguish the foreground and background of the image, which includes: establishing a background model, and obtaining a foreground model by comparing the current frame with the background model.
  • Step 306 performing anti-shake processing on the foreground, and correspondingly processing the background according to the image processing setting option.
  • Anti-shake processing is performed on the focal plane where the subject in the foreground is located, no anti-shake processing is performed on the background, or selective anti-shake processing is performed, wherein the background is not subjected to anti-shake processing, that is, only the foreground is anti-shake processing It makes the anti-shake processing faster, reduces the time spent on image processing, and saves energy.
  • Selectively performing anti-shake processing refers to anti-shake processing of the background according to a predetermined accuracy. The lower the predetermined accuracy, the lower the displacement compensation amount of the system to the background, and the more difficult the background anti-shake processing is. Low, so that users get faster shooting information and save energy.
  • Step 308 generating a 3D image.
  • the two images are compared and combined according to the angular difference and the offset of the two images taken to generate different levels of images with 3D effects, thereby Improve user experience, 3D processing can be done before anti-shake processing, or after anti-shake processing.
  • Step 310 storing the processed image.
  • FIG. 4 shows a schematic diagram of an anti-shake process in accordance with another embodiment of the present invention.
  • the dual camera generates jitter during the shooting process, causing the two images captured to be offset, and one of the two images captured by the dual camera is taken as the main image 402 and the other as the vice.
  • the image 404 is used as a reference for displacement compensation, and the relative displacement compensation amount between the main image 402 and the sub-image 404 is obtained by comparing and combining the two images by using the angular difference and the displacement amount between the main image 402 and the sub-image 404. And compensating the main image according to the relative displacement compensation amount to implement anti-shake processing, thereby shortening the time of image processing and reducing the energy consumption of image processing.
  • the technical solution of the present invention is described in detail above with reference to the accompanying drawings.
  • the time of image processing can be shortened, the energy consumption of image processing can be reduced, and the corresponding anti-shake processing can be performed on the foreground and the background respectively.
  • first and second are used for the purpose of description only, and are not to be understood as indicating or implying relative importance;
  • the terms “connected” and the like should be understood broadly, for example, may be a fixed connection It can also be a detachable connection or an integral connection; it can be directly connected or indirectly connected through an intermediate medium.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

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Abstract

本发明提供了一种图像处理方法和一种图像处理装置，用于对双摄像头的终端获取的图像进行处理，其中，所述图像处理方法包括：采用所述第一摄像头获取第一图像，采用所述第二摄像头获取第二图像；根据所述第一图像和所述第二图像之间的角度差以及偏移量，确定所述第一图像和所述第二图像之间的相对位移补偿量；根据所述相对位移补偿量对所述第一图像或所述第二图像进行补偿以实现防抖处理。通过本发明的技术方案，有效地缩短了图像处理的时间，减少图像处理的能耗。

Description

图像处理方法和图像处理装置 技术领域
本发明涉及图像处理技术领域，具体而言，涉及一种图像处理方法和一种图像处理装置。
背景技术
在拍照和摄像过程中，具有双摄像装置的设备在实际生活中的应用愈加普及，虽然两个摄像装置在同时工作，但是，用户只会看到一个摄像装置拍摄的场景，而不会看到第二枚摄像装置拍摄的场景。此时，第二枚摄像装置的作用为搜集更多的数据，并分析该数据以形成一个JPEG格式的文件，有可能被应用到诸如降低数字噪声、调整图片或提高景深等方面。现有的防抖处理技术可以通过镜头内的陀螺仪侦测到镜头拍摄时产生的微小的移动信号，将该信号传至图像处理的处理器，处理器计算最终需要补偿的位移量，然后对两个镜头的抖动方向分别进行补偿，从而有效地克服了因摄像镜头的振动而产生的图像模糊。然而，在此过程中，设备的防抖处理花费时间较长，耗能也较多。
因此，如何合理地进行防抖处理以减少画面处理花费的时间，成为了目前亟待解决的问题。
发明内容
本发明正是基于上述技术问题，提出了一种新的技术方案，缩短图像处理的时间，减少图像处理的能耗。
有鉴于此，根据本发明的第一方面提出了一种图像处理方法，用于对双摄像头的终端获取的图像进行处理，所述终端包括第一摄像头和第二摄像头，所述图像处里方法包括：采用所述第一摄像头获取第一图像，采用所述第二摄像头获取第二图像；根据所述第一图像和所述第二图像之间的 角度差以及偏移量，确定所述第一图像和所述第二图像之间的相对位移补偿量；根据所述相对位移补偿量对所述第一图像或所述第二图像进行补偿以实现防抖处理。
在该技术方案中，可以控制第一摄像头和第二摄像头同时进行拍摄，或者以预定的较小的时间间隔进行拍摄，以保证第一摄像头和第二摄像头对于同一场景拍摄获取图像，或者在以预定的较小的时间间隔拍摄时，场景没有变化或者变化较小，以保证第一摄像头和第二摄像头获取的图像相关联，以便后续进行防抖处理得到防抖处理后的图像。优选地，第一摄像头和第二摄像头同时对同一场景进行拍摄。
在该技术方案中，将第一摄像头和第二摄像头拍摄的两张图像中的一张做主图像，另一张做副图像，用为位移补偿的参考，根据两张图像之间的相对位移补偿量对主图像进行补偿以实现防抖处理，从而缩短了图像处理的时间，减少了图像处理的能耗。例如，利用两张图像之间的角度差和位移量，对两张图像进行对比组合，以获取主图像与副图像之间的相对位移补偿量，并根据该相对位移补偿量对主图像进行补偿，以实现防抖处理。
在上述技术方案中，优选地，还包括：获取所述第一图像和所述第二图像的前景和背景；根据接收到的图像处理设置选项，确定是否对所述前景和/或所述背景进行防抖处理。
本领域技术人员理解，在现有技术中，已经提出了多种前景和背景的区分方法，例如：采用背景差方法来区分图像的前景和背景，包括：建立一个背景模型，通过当前帧与背景模型的比较得到前景模型。此外再例如，在《华中科技大学学报(自然科学版)》2008年第五期上由楚瀛、田淞等联合发表的《基于图像边缘特征的前景背景分割方法》还提出了一种基于自适应递归学习的前景边缘提取方法，具体包括：建立前景和背景区域的分割的MRF模型，以前景和背景边缘的像素作为种子标记，根据种子标记在模型中的传播也就是能量函数的最小化得到前景区域，以完成分割。当然，关于前景和背景的区分方法可以有多种，并不限于上面所述的方法。
在该技术方案中，在区分前景和背景后对前景和背景分别进行相应的防抖处理，这样就不必直接进行整个画面的防抖处理，提高了图像处理的灵活性，使我们需要的信息可以更快、更完善地被处理，并最大限度地减少了软件的数据处理量，有效地缩短了图像处理的时间，这种处理方式不仅使终端的功耗减小了，还可以使用于图像处理的核心处理器空出更多的时间做其它事情。
在上述技术方案中，优选地，所述图像处理设置选项包括：同时对所述前景和所述背景进行防抖处理、仅对所述前景进行防抖处理、仅对所述背景进行防抖处理、按照预定精确度对所述前景进行防抖处理、按照预定精确度对所述背景进行防抖处理以及不进行防抖处理。
在该技术方案中，通过为前景和背景设置图像处理设置选项，可以提高防抖处理的灵活性。比如，通过图像处理设置选项设置仅对所述前景进行防抖处理，即不对背景进行防抖处理，降低了画面处理所花费的时间，也可以节省能耗。再比如，设置按照预定精确度对所述背景进行防抖处理，可以通过降低对背景的防抖处理的精确度，使摄像镜头中的主体事物更清晰、更完善地呈现出来即可，提高了图像处理的灵活性，使用户得到拍摄信息更加快速，节省了能耗。
在上述技术方案中，优选地，按照所述预定精确度对所述前景和/或所述背景进行防抖处理，包括：根据所述预设精确度，调节对所述前景和/或所述背景的位移补偿量，其中，当所述预定精确度越低时，对所述前景和/或所述背景的位移补偿量越小。
在该技术方案中，预设精确度越高，对前景和/或背景的位移补偿量就越高，相应地，前景和/或背景中的事物就能更清晰、更完善地呈现出来；反之，预设精确度越低，对前景和/或背景中的事物的防抖处理的难度就会越低，从而降低了画面处理所花费的时间，使用户得到拍摄信息更加快速，也节省了能耗，提高了图像处理的灵活性。
在上述技术方案中，优选地，还包括：根据所述第一图像和所述第二图像之间的角度差以及偏移量，使用所述第一图像和所述第二图像、或经过防抖处理后的所述第一图像和所述第二图像、或所述第一图像和经过防 抖处理后的第二图像、或经过防抖处理后的第一图像和经过防抖处理后的第二图像生成3D图像。
在该技术方案中，根据拍摄的两张图像的角度差及偏移量对两张图像进行对比组合，以产生出不同层次的具有3D效果的图像，从而提升用户的使用体验，3D处理可以在防抖处理之前，也可以在防抖处理之后。
本发明的第二方面提出了一种图像处理装置，用于对双摄像头的终端获取的图像进行处理，所述终端包括第一摄像头和第二摄像头，所述图像处理装置包括：第一获取单元，采用所述第一摄像头获取第一图像，采用所述第二摄像头获取第二图像；确定单元，根据所述第一图像和所述第二图像之间的角度差以及偏移量，确定所述第一图像和所述第二图像之间的相对位移补偿量；执行单元，根据所述相对位移补偿量对所述第一图像或所述第二图像进行补偿以实现防抖处理。
在该技术方案中，可以控制第一摄像头和第二摄像头同时进行拍摄，或者以预定的较小的时间间隔进行拍摄，以保证第一摄像头和第二摄像头对于同一场景拍摄获取图像，或者在以预定的较小的时间间隔拍摄时，场景没有变化或者变化较小，以保证第一摄像头和第二摄像头获取的图像相关联，以便后续进行防抖处理得到防抖处理后的图像。优选地，第一摄像头和第二摄像头同时对同一场景进行拍摄。
在该技术方案中，将第一摄像头和第二摄像头拍摄的两张图像中的一张做主图像，另一张做副图像，用为位移补偿的参考，根据两张图像之间的相对位移补偿量对主图像进行补偿以实现防抖处理，从而缩短了图像处理的时间，减少了图像处理的能耗。例如，利用两张图像之间的角度差和位移量，对两张图像进行对比组合，以获取主图像与副图像之间的相对位移补偿量，并根据该相对位移补偿量对主图像进行补偿，以实现防抖处理。
在上述技术方案中，优选地，还包括：第二获取单元，获取所述第一图像和所述第二图像的前景和背景；所述执行单元还用于：根据接收到的图像处理设置选项，确定是否对所述前景和/或所述背景进行防抖处理。
在该技术方案中，在区分前景和背景后对前景和背景分别进行相应的 防抖处理，这样就不必直接进行整个画面的防抖处理，提高了图像处理的灵活性，使我们需要的信息可以更快、更完善地被处理，并最大限度地减少了软件的数据处理量，有效地缩短了图像处理的时间，这种处理方式不仅使功耗减小了，还可以使用于图像处理的核心处理器空出更多的时间做其它事情。
在上述技术方案中，优选地，所述图像处理设置选项包括：同时对所述前景和所述背景进行防抖处理、仅对所述前景进行防抖处理、仅对所述背景进行防抖处理、按照预定精确度对所述前景进行防抖处理、按照预定精确度对所述背景进行防抖处理以及不进行防抖处理。
在该技术方案中，通过为前景和背景设置图像处理设置选项，可以提高防抖处理的灵活性。比如，通过图像处理设置选项设置仅对所述前景进行防抖处理，即不对背景进行防抖处理，降低了画面处理所花费的时间，也可以节省能耗。再比如，设置按照预定精确度对所述背景进行防抖处理，可以通过降低对背景的防抖处理的精确度，使摄像镜头中的主体事物更清晰、更完善地呈现出来即可，提高了图像处理的灵活性，从而降低了画面处理所花费的时间，使用户得到拍摄信息更加快速，节省了能耗。
在上述技术方案中，优选地，所述执行单元按照所述预定精确度对所述前景和/或所述背景进行防抖处理时，根据所述预设精确度，调节对所述前景和/或所述背景的位移补偿量，其中，当所述预定精确度越低时，对所述前景和/或所述背景的位移补偿量越小。
在该技术方案中，预设精确度越高，对前景和/或背景的位移补偿量就越高，相应地，前景和/或背景中的事物就能更清晰、更完善地呈现出来；反之，预设精确度越低，对前景和/或背景中的事物的防抖处理的难度就会越低，从而降低了画面处理所花费的时间，使用户得到拍摄信息更加快速，也节省了能耗，提高了图像处理的灵活性。
在上述技术方案中，优选地，还包括：3D处理单元，用于根据所述第一图像和所述第二图像之间的角度差以及偏移量，使用所述第一图像和所述第二图像、或经过防抖处理后的所述第一图像和所述第二图像、或所述第一图像和经过防抖处理后的第二图像、或经过防抖处理后的第一图像 和经过防抖处理后的第二图像生成3D图像。
在该技术方案中，根据拍摄的两张图像的角度差及偏移量对两张图像进行对比组合，以产生出不同层次的具有3D效果的图像，从而提升用户的使用体验，3D处理可以在防抖处理之前，也可以在防抖处理之后。
通过本发明的技术方案，可以缩短图像处理的时间，减少图像处理的能耗，还可以对前景和背景分别进行相应的防抖处理，提高了图像处理的灵活性，有效地缩短了图像处理的时间。
附图说明
图1示出了根据本发明的实施例的图像处理方法的流程示意图；
图2示出了根据本发明的实施例的图像处理装置的框图；
图3示出了根据本发明的一个实施例的图像处理方法的流程示意图；
图4示出了根据本发明的另一个实施例的防抖处理的示意图。
具体实施方式
为了能够更清楚地理解本发明的上述目的、特征和优点，下面结合附图和具体实施方式对本发明进行进一步的详细描述。需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本发明，但是，本发明还可以采用其他不同于在此描述的其他方式来实施，因此，本发明的保护范围并不受下面公开的具体实施例的限制。
图1示出了根据本发明的实施例的图像处理方法的流程图。
如图1所示，根据本发明的实施例的图像处理方法，包括：
步骤102，采用第一摄像头获取第一图像，采用第二摄像头获取第二图像；
步骤104，根据第一图像和第二图像之间的角度差以及偏移量，确定第一图像和第二图像之间的相对位移补偿量；
步骤106，根据相对位移补偿量对第一图像或第二图像进行补偿以实现防抖处理。
在本实施方式中，可以控制第一摄像头和第二摄像头同时进行拍摄，或者以预定的较小的时间间隔进行拍摄，以保证第一摄像头和第二摄像头对于同一场景拍摄获取图像，或者在以预定的较小的时间间隔拍摄时，场景没有变化或者变化较小，以保证第一摄像头和第二摄像头获取的图像相关联，以便后续进行防抖处理得到防抖处理后的图像。优选地，第一摄像头和第二摄像头同时对同一场景进行拍摄。
在该技术方案中，将第一摄像头和第二摄像头拍摄的两张图像中的一张做主图像，另一张做副图像，用为位移补偿的参考，根据两张图像之间的相对位移补偿量对主图像进行补偿以实现防抖处理，从而缩短了图像处理的时间，减少了图像处理的能耗。例如，利用两张图像之间的角度差和位移量，对两张图像进行对比组合，以获取主图像与副图像之间的相对位移补偿量，并根据该相对位移补偿量对主图像进行补偿，以实现防抖处理。
在上述技术方案中，优选地，还包括：获取第一图像和第二图像的前景和背景；根据接收到的图像处理设置选项，确定是否对前景和/或背景进行防抖处理。
在该技术方案中，在区分前景和背景后对前景和背景分别进行相应的防抖处理，这样就不必直接进行整个画面的防抖处理，提高了图像处理的灵活性，使我们需要的信息可以更快、更完善地被处理，并最大限度地减少了软件的数据处理量，有效地缩短了图像处理的时间，这种处理方式不仅使摄像头的功耗减小了，还可以使用于图像处理的核心处理器空出更多的时间做其它事情。
在上述技术方案中，优选地，图像处理设置选项包括：同时对前景和背景进行防抖处理、仅对前景进行防抖处理、仅对背景进行防抖处理、按照预定精确度对前景进行防抖处理、按照预定精确度对背景进行防抖处理以及不进行防抖处理。
在该技术方案中，通过为前景和背景设置图像处理设置选项，可以提高防抖处理的灵活性。比如，通过图像处理设置选项设置仅对前景进行防抖处理，即不对背景进行防抖处理，降低了画面处理所花费的时间，也可 以节省能耗。再比如，设置按照预定精确度对背景进行防抖处理，可以通过降低对背景的防抖处理的精确度，使摄像镜头中的主体事物更清晰、更完善地呈现出来即可，提高了图像处理的灵活性，从而降低了画面处理所花费的时间，使用户得到拍摄信息更加快速，节省了能耗。
在上述技术方案中，优选地，按照预定精确度对前景和/或背景进行防抖处理，包括：根据预设精确度，调节对前景和/或背景的位移补偿量，其中，当预定精确度越低时，对前景和/或背景的位移补偿量越小。
在该技术方案中，预设精确度越高，对前景和/或背景的位移补偿量就越高，相应地，前景和/或背景中的事物就能更清晰、更完善地呈现出来；反之，预设精确度越低，对前景和/或背景中的事物的防抖处理的难度就会越低，从而降低了画面处理所花费的时间，使用户得到拍摄信息更加快速，也节省了能耗，提高了图像处理的灵活性。
在上述技术方案中，优选地，还包括：根据第一图像和第二图像之间的角度差以及偏移量，使用第一图像和第二图像、或经过防抖处理后的第一图像和第二图像、或第一图像和经过防抖处理后的第二图像、或经过防抖处理后的第一图像和经过防抖处理后的第二图像生成3D图像。
在该技术方案中，根据拍摄的两张图像的角度差及偏移量对两张图像进行对比组合，以产生出不同层次的具有3D效果的图像，从而提升用户的使用体验，3D处理可以在防抖处理之前，也可以在防抖处理之后。
图2示出了根据本发明的实施例的图像处理装置的框图。
如图2所示，根据本发明的实施例的图像处理装置200，包括：第一获取单元202，采用第一摄像头获取第一图像，采用第二摄像头获取第二图像；确定单元204，根据第一图像和第二图像之间的角度差以及偏移量，确定第一图像和第二图像之间的相对位移补偿量；执行单元206，根据相对位移补偿量对第一图像或第二图像进行补偿以实现防抖处理。
在该技术方案中，第一获取单元202获取的第一图像和第二图像可以为同时对同一场景拍摄所获取的。将第一摄像头和第二摄像头拍摄的两张图像中的一张做主图像，另一张做副图像，用为位移补偿的参考，根据两张图像之间的相对位移补偿量对主图像进行补偿以实现防抖处理，从而缩 短了图像处理的时间，减少了图像处理的能耗。例如，利用两张图像之间的角度差和位移量，对两张图像进行对比组合，以获取主图像与副图像之间的相对位移补偿量，并根据该相对位移补偿量对主图像进行补偿，以实现防抖处理。
在上述技术方案中，优选地，还包括：第二获取单元208，获取第一图像和第二图像的前景和背景；以及执行单元206还用于：根据接收到的图像处理设置选项，确定是否对前景和/或背景进行防抖处理。
在该技术方案中，在区分前景和背景后对前景和背景分别进行相应的防抖处理，这样就不必直接进行整个画面的防抖处理，提高了图像处理的灵活性，使防抖处理的难度有所减小，使我们需要的信息可以更快、更完善地被处理，并最大限度地减少了软件的数据处理量，有效地缩短了图像处理的时间，这种处理方式不仅使摄像头的功耗减小了，还可以使用于图像处理的核心处理器空出更多的时间做其它事情。
在上述技术方案中，优选地，图像处理设置选项包括：同时对前景和背景进行防抖处理、仅对前景进行防抖处理、仅对背景进行防抖处理、按照预定精确度对前景进行防抖处理、按照预定精确度对背景进行防抖处理以及不进行防抖处理。
在该技术方案中，通过为前景和背景设置图像处理设置选项，可以提高防抖处理的灵活性。比如，通过图像处理设置选项设置仅对前景进行防抖处理，即不对背景进行防抖处理，使防抖处理更加快速，降低了画面处理所花费的时间，也可以节省能耗。再比如，设置按照预定精确度对背景进行防抖处理，可以通过降低对背景的防抖处理的精确度，使摄像镜头中的主体事物更清晰、更完善地呈现出来即可，降低了防抖处理的难度，提高了图像处理的灵活性，使用户得到拍摄信息更加快速，节省了能耗。
在上述技术方案中，优选地，执行单元206按照预定精确度对前景和/或背景进行防抖处理时，根据预设精确度，调节对前景和/或背景的位移补偿量，其中，当预定精确度越低时，对前景和/或背景的位移补偿量越小。
在该技术方案中，预设精确度越高，对前景和/或背景的防抖处理量 就越高，相应地，前景和/或背景中的事物就能更清晰、更完善地呈现出来；反之，预设精确度越低，对前景和/或背景中的事物的防抖处理的难度就会越低，从而降低了画面处理所花费的时间，使用户得到拍摄信息更加快速，也节省了能耗。因此，提高了图像处理的灵活性。
在上述技术方案中，优选地，还包括：3D处理单元210，用于根据第一图像和第二图像之间的角度差以及偏移量，使用第一图像和第二图像、或经过防抖处理后的第一图像和第二图像、或第一图像和经过防抖处理后的第二图像、或经过防抖处理后的第一图像和经过防抖处理后的第二图像生成3D图像。
在该技术方案中，根据拍摄的两张图像的角度差及偏移量对两张图像进行对比组合，以产生出不同层次的具有3D效果的图像，从而提升用户的使用体验，3D处理可以在防抖处理之前，也可以在防抖处理之后。
图3示出了根据本发明的一个实施例的图像处理方法的流程图。
如图3所示，根据本发明的一个实施例的图像处理方法，包括：
步骤302，获取图像，即用第一摄像镜头和第二摄像镜头同时进行拍照。
步骤304，识别前景和背景。一般采用背景差方法来区分图像的前景和背景，具体包括：建立一个背景模型，通过当前帧与背景模型的比较得到前景模型。
步骤306，对前景做防抖处理，根据图像处理设置选项对背景做相应处理。对前景中的被拍摄物所处的焦平面进行防抖处理，对背景不进行防抖处理或者进行选择性的防抖处理，其中，不对背景进行防抖处理，即只对前景进行防抖处理，使防抖处理更加快速，降低了画面处理所花费的时间，也可以节省能耗。而选择性地进行防抖处理指的是按照预定精确度对背景进行防抖处理，预定精确度越低，系统对背景的位移补偿量就越低，对背景的防抖处理的难度也就越低，使用户得到拍摄信息更加快速，节省了能耗。
步骤308，生成3D图像。根据拍摄的两张图像的角度差及偏移量对两张图像进行对比组合，以产生出不同层次的具有3D效果的图像，从而 提升用户的使用体验，3D处理可以在防抖处理之前，也可以在防抖处理之后。
步骤310，存储处理后的图像。
图4示出了根据本发明的另一个实施例的防抖处理的示意图。
如图4所示，双摄像头在进行拍摄的过程中会产生抖动，造成拍摄的两张图像发生偏移，将双摄像头拍摄的两张图像中的一张作为主图像402，另一张作为副图像404，用作位移补偿的参考，利用主图像402与副图像404之间的角度差和位移量，通过对两张图像的对比组合获取主图像402与副图像404之间的相对位移补偿量，并根据该相对位移补偿量对主图像进行补偿，以实现防抖处理，从而缩短了图像处理的时间，减少了图像处理的能耗。
以上结合附图详细说明了本发明的技术方案，通过本发明的技术方案，可以缩短图像处理的时间，减少图像处理的能耗，还可以对前景和背景分别进行相应的防抖处理，提高了图像处理的灵活性。
在本发明中，术语“第一”、“第二”仅用于描述的目的，而不能理解为指示或暗示相对重要性；术语“连接”等均应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种图像处理方法，用于对双摄像头的终端获取的图像进行处理，所述终端包括第一摄像头和第二摄像头，其特征在于，所述图像处理方法包括：
    采用所述第一摄像头获取第一图像，采用所述第二摄像头获取第二图像；
    根据所述第一图像和所述第二图像之间的角度差以及偏移量，确定所述第一图像和所述第二图像之间的相对位移补偿量；
    根据所述相对位移补偿量对所述第一图像或所述第二图像进行补偿以实现防抖处理。
  2. 根据权利要求1所述的图像处理方法，其特征在于，还包括：
    获取所述第一图像和所述第二图像的前景和背景；
    根据接收到的图像处理设置选项，确定是否对所述前景和/或所述背景进行防抖处理。
  3. 根据权利要求2所述的图像处理方法，其特征在于，所述图像处理设置选项包括：同时对所述前景和所述背景进行防抖处理、仅对所述前景进行防抖处理、仅对所述背景进行防抖处理、按照预定精确度对所述前景进行防抖处理、按照预定精确度对所述背景进行防抖处理以及不进行防抖处理。
  4. 根据权利要求3所述的图像处理方法，其特征在于，按照所述预定精确度对所述前景和/或所述背景进行防抖处理，包括：
    根据所述预设精确度，调节对所述前景和/或所述背景的相对位移补偿量，其中，当所述预定精确度越低时，所述前景和/或所述背景的相对位移补偿量越小。
  5. 根据权利要求4所述的图像处理方法，其特征在于，还包括：
    根据所述第一图像和所述第二图像之间的角度差以及偏移量，使用所述第一图像和所述第二图像、或经过防抖处理后的所述第一图像和所述第二图像、或所述第一图像和经过防抖处理后的第二图像、或经过防抖处理 后的第一图像和经过防抖处理后的第二图像生成3D图像。
  6. 一种图像处理装置，用于对双摄像头的终端获取的图像进行处理，所述终端包括第一摄像头和第二摄像头，其特征在于，所述图像处理装置包括：
    第一获取单元，通过所述第一摄像头获取第一图像，通过所述第二摄像头获取第二图像；
    确定单元，根据所述第一图像和所述第二图像之间的角度差以及偏移量，确定所述第一图像和所述第二图像之间的相对位移补偿量；
    执行单元，根据所述相对位移补偿量对所述第一图像或所述第二图像进行补偿以实现防抖处理。
  7. 根据权利要求6所述的图像处理装置，其特征在于，还包括：
    第二获取单元，获取所述第一图像和所述第二图像的前景和背景；以及
    所述执行单元还用于：
    根据接收到的图像处理设置选项，确定是否对所述前景和/或所述背景进行防抖处理。
  8. 根据权利要求7所述的图像处理装置，其特征在于，所述图像处理设置选项包括：同时对所述前景和所述背景进行防抖处理、仅对所述前景进行防抖处理、仅对所述背景进行防抖处理、按照预定精确度对所述前景进行防抖处理、按照预定精确度对所述背景进行防抖处理以及不进行防抖处理。
  9. 根据权利要求8所述的图像处理装置，其特征在于，所述执行单元按照所述预定精确度对所述前景和/或所述背景进行防抖处理时，
    根据所述预设精确度，调节对所述前景和/或所述背景的相对位移补偿量，其中，当所述预定精确度越低时，所述前景和/或所述背景的相对位移补偿量越小。
  10. 根据权利要求9所述的图像处理装置，其特征在于，还包括：
    3D处理单元，用于根据所述第一图像和所述第二图像之间的角度差以及偏移量，使用所述第一图像和所述第二图像、或经过防抖处理后的所 述第一图像和所述第二图像、或所述第一图像和经过防抖处理后的第二图像、或经过防抖处理后的第一图像和经过防抖处理后的第二图像生成3D图像。
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