System and method for stereo matching of images

A stereo matching, image technology, applied in image analysis, image data processing, character and pattern recognition and other directions

Inactive Publication Date: 2010-03-31
THOMSON LICENSING SA
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Problems solved by technology

Depth or disparity maps can then be combined with stereoscopic image pairs for 3D playback

Method used

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  • System and method for stereo matching of images
  • System and method for stereo matching of images
  • System and method for stereo matching of images

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Embodiment Construction

[0027] It should be understood that the elements shown in the figures may be implemented in various forms of hardware, software or a combination thereof. Preferably, these elements are implemented as a combination of hardware and software on one or more suitably programmed general-purpose devices, which may include processors, memory and input / output interfaces.

[0028] This specification illustrates the principles of the disclosure. It will thus be appreciated that those skilled in the art will be able to devise various arrangements which, although not explicitly described or shown herein, embody the principles of the disclosure and are included within its spirit and scope.

[0029] All examples and conditional language recited herein are intended for pedagogical purposes to assist the reader in understanding the principles of the disclosure and the inventor's contributions to the advancement of the state of the art, and should be construed as not limiting to such specifical...

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Abstract

A system and method for stereo matching of at least two images, e.g., a stereoscopic image pair, employing a global optimization function, e.g., a belief propagation function, that utilizes dynamic programming as a preprocessing step are provided. The system and method of the present disclosure provide for acquiring a first image and a second image from a scene (402), estimating the disparity of at least one point in the first image with at least one corresponding point in the second image (404, 406), and minimizing the estimated disparity using a belief propagation function (410), e.g., a global optimization function, wherein the belief propagation function is initialized with a result of a deterministic matching function (408), e.g., dynamic programming, applied to the first and second image to speed up the belief propagation function. The system and method further generates a disparity map from the estimated disparity and converts the disparity map into a depth map.

Description

technical field [0001] The present disclosure relates generally to computer graphics processing and display systems, and more particularly to systems and methods for stereo matching of at least two images employing a global optimization function that utilizes Dynamic programming is used as a preprocessing step. Background technique [0002] Stereoscopic imaging is the process of visually combining at least two images of a scene taken from slightly different viewpoints to create the illusion of three-dimensional depth. This technique relies on the fact that human eyes are separated by a certain distance and therefore do not see the exact same scene. Tricks the viewer's eyes into a perception of depth by presenting each eye with an image from a different perspective. Typically, when two different perspectives are provided, the component images are referred to as the "left" image and the "right" image, also referred to as the base image and the supplementary image, respective...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06K9/68
CPCG06K9/6297G06T7/0075G06T7/593G06F18/295
Inventor 张东清伊泽特·伊泽特安纳·拜伦·本尼特兹
Owner THOMSON LICENSING SA
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