A method and device for edge-preserving processing of depth images
A depth image and edge processing technology, applied in image data processing, image enhancement, image analysis, etc., can solve problems such as insufficient depth value smoothness, incomplete occlusion area data, inconsistency between the edge of the depth image and the edge of the RGB image, etc. clear effect
Active Publication Date: 2021-11-30
MEGVII BEIJINGTECH CO LTD
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[0002] At present, in the field of dual-camera blurring, whether it is binocular stereo imaging, TOF imaging or structured light 3D imaging, the obtained depth images may have incorrect data or incomplete data in the occluded area. Therefore, the obtained depth image edge Occurrence of inconsistencies with RGB image edges
figure 1 is a schematic diagram of a depth image without edge-preservation processing, which is represented by figure 1 It can be seen that the edge of the depth image without edge preservation processing has wrong data, and its depth value on the same plane is not smooth enough
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[0025] The principle and spirit of the present disclosure will be described below with reference to several exemplary embodiments. It should be understood that these embodiments are given only to enable those skilled in the art to better understand and implement the present disclosure, rather than to limit the scope of the present disclosure in any way.
[0026] It should be noted that although expressions such as "first" and "second" are used herein to describe different modules, steps, data, etc. of the embodiments of the present disclosure, expressions such as "first" and "second" are only for A distinction is made between different modules, steps, data, etc., without implying a particular order or degree of importance. In fact, expressions such as "first" and "second" can be used interchangeably.
[0027] figure 1 It is a schematic diagram of a depth image without edge preservation processing. It can be seen from the illustration that there are certain error data on the ...
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The present disclosure relates to a method and device for edge preservation processing of a depth image. Wherein the method comprises: obtaining step: obtaining the depth image and the RGB image under the same scene; correcting step: obtaining the point to be corrected in the depth image, and obtaining the point to be processed corresponding to the point to be corrected in the RGB image according to the point to be corrected, for waiting The processing point is the center, determine the processing window of the processing point in the RGB image, and obtain the absolute value of the pixel difference between the non-processing point and the processing point in the processing window; according to the absolute value of the pixel difference, obtain the depth image and The corrected depth value of the point to be corrected corresponding to the point to be processed; generating step: generating a corrected depth image of the scene according to the corrected depth value. Through the edge-preserving processing method of the depth image, the depth image to be corrected is clearer, more accurate and smoother.
Description
technical field [0001] The present disclosure relates to the technical field of depth image processing, and in particular, to a method and device for edge-preserving processing of a depth image. Background technique [0002] At present, in the field of dual-camera blurring, whether it is binocular stereoscopic imaging, TOF imaging, or structured light 3D imaging, the obtained depth images may have incorrect data or incomplete data in the occluded area. Therefore, the obtained depth image edge Occurrence of inconsistencies with RGB image edges. figure 1 is a schematic diagram of a depth image without edge-preservation processing, represented by figure 1 It can be seen that the edge of the depth image without edge preservation processing has wrong data, and its depth value on the same plane is not smooth enough. Contents of the invention [0003] In order to overcome the problems existing in the prior art, the present disclosure provides a method and device for edge-preser...
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IPC IPC(8): G06T5/00G06T5/50
CPCG06T5/50G06T2207/10028G06T2207/10024G06T2207/20032G06T2207/20216G06T5/77G06T5/70
Inventor 许姜严刘平
Owner MEGVII BEIJINGTECH CO LTD