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Contour tracing method based on shape-transmitting united division and image-matching correction

A joint segmentation and contour tracking technology, which is applied in image enhancement, image analysis, image data processing, etc., can solve the problems of inaccurate segmentation and tracking results, achieve enhanced segmentation and tracking robustness, improve accuracy, and improve segmentation accuracy degree of effect

Active Publication Date: 2013-07-24
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

However, when the above two methods have great changes in the occlusion situation or the shape and scale of the object, because the segmentation of the target object is only based on the graph segmentation method, it will eventually lead to inaccurate segmentation and tracking results.

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  • Contour tracing method based on shape-transmitting united division and image-matching correction
  • Contour tracing method based on shape-transmitting united division and image-matching correction

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Embodiment Construction

[0025] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0026] Such as figure 1 As shown, a contour tracking method based on shape transfer joint segmentation and graph matching correction includes a shape transfer joint segmentation part and a graph matching correction part.

[0027] Such as figure 2 As shown, the shape transfer joint segmentation part mainly includes three steps, which are coordinate relocation and shape prediction graph generation, graph model construction, and energy function construction and optimization. Completing these three...

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Abstract

The invention relates to a contour tracing method based on shape-transmitting united division and image-matching correction. The contour tracing method comprises the steps of in a shape-transmitting united division part, combining a shape prediction image with original image and video frames, by virtue of relocation of position coordinates, providing a new image model construction method, constructing a new energy optimization function to carry out united division on an image model, in an image-matching correction part, carrying out image matching on a division result of a current image with a division result of a previous frame image, when the result of the image matching can not meet a limiting condition, regulating weighting parameters of an energy function in the shape-transmitting united division, and correcting inaccuracy of the division result. According to the contour tracing method based on the shape-transmitting united division and the image-matching correction, an accuracy rate of contour tracing of a target object in a video can be effectively improved.

Description

technical field [0001] The invention relates to a video target contour tracking method in the field of digital image processing, in particular to a contour tracking method based on shape transfer joint segmentation and graph matching correction. Background technique [0002] Visual tracking is a very important and challenging problem in the field of computer vision. Contour-based tracking can not only locate the target object in the video, but also segment the target object from the background. The purpose of the contour tracking algorithm is to continuously segment a specific target object in time, use contours or boundaries to more accurately describe non-rigid objects that change in shape over time, and ensure that the contours of the target object are time-wise Can maintain consistency. [0003] After searching the literature of the prior art, it was found that J.Malcolm, Y.Rathi and A.Tannenbaum published "Multi-object tracking through clutter using graph cuts" in the...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/20G06T5/00
Inventor 熊红凯朱青祥
Owner SHANGHAI JIAO TONG UNIV
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