Image processing device and method

An image processing device and image technology, applied in image communication, electrical components, stereo systems, etc., can solve problems such as errors and inability to obtain parallax images, and achieve the effect of easy calibration

Active Publication Date: 2016-01-20
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Generally, when a parallax image is generated, if a shift occurs between the image capturing directions of multiple cameras, an error will occur and an accurate parallax image will not be obtained

Method used

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Examples

Experimental program
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no. 3 example

[0050] 3. Third Embodiment (an example of performing another stereo matching process)

no. 1 example

[0052] Exemplary configuration of image processing device

[0053] figure 1 An exemplary configuration of an embodiment of hardware to which an image processing apparatus of the present disclosure is applied is illustrated. figure 1 The image processing apparatus 11 generates a parallax image (depth image) from the images captured by the imaging devices 21-1 and 21-2, in which the pixel value of each pixel is made to be inversely proportional to the distance from the image capturing position to the subject. value. That is, when images captured by the imaging devices 21-1 and 21-2 are such as figure 2 In the case of the image P1 of the image shown in the upper area of ​​, the image processing device 11 generates such as figure 2 The disparity image P2 of the image shown in the bottom area. exist figure 2 In the image P1 of , the image contains people, clouds and the sun. In contrast, the parallax image P2 is an image such that the fingers of the left hand and the right...

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Abstract

The invention discloses an image processing device, method, and program. The image processing device comprises an image obtaining unit configured to obtain multiple images of one object captured at different viewing angles, an image shift correction unit configured to correct the images obtained by the image obtaining unit based on the parameters used for correcting image shifting and generate revised images according to each obtained image, an assessed value calculation unit configured to calculate the integral value of the error amount to the entire screen as the assessed value, and an update unit configured to change the parameters required by interaction in the parallax error direction, thus to update parameters and make the assessed value be the minimum.

Description

technical field [0001] The present disclosure relates to an image processing device, method and program. More specifically, the present disclosure relates to an image processing apparatus, method, and program capable of easily calibrating an error due to a shift of a camera in an image capturing direction when a parallax image (depth image) is to be generated. Background technique [0002] A technique of generating parallax images (depth images) by capturing images of the same subject from different angles using a plurality of cameras and searching for corresponding points based on the parallax directions of the respective images has become widespread. [0003] Generally, when a parallax image is generated, if a shift occurs between image capturing directions of a plurality of cameras, an error will occur, and an accurate parallax image will not be obtained. For this reason, when a parallax image is to be generated, calibration for minimizing errors due to shifts between im...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N13/00H04N13/02
Inventor 明官佳宏芦原隆之染谷清登
Owner SONY CORP
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