Image data processing method and device, equipment and medium

A processing method and technology of image data, which can be used in instruments, character and pattern recognition, computer parts, etc., and can solve problems such as low accuracy of image segmentation

Pending Publication Date: 2021-12-21
TENCENT CLOUD COMPUTING BEIJING CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the instance in the image is occluded, there is an error between the instance contour predicted by the edge pixel coordinates and the real instance contour in the image, resulting in low segmentation accuracy of the image

Method used

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  • Image data processing method and device, equipment and medium
  • Image data processing method and device, equipment and medium
  • Image data processing method and device, equipment and medium

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Embodiment Construction

[0092] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0093] This application relates to artificial intelligence (Artificial Intelligence, AI) technology and cloud technology. Artificial intelligence is the theory, method, technology and application system that uses digital computers or machines controlled by digital computers to simulate, extend and expand human intelligence, perceive the environment, acquire knowledge and use knowledge to obtain the best results. In other words, artificial intelligence is a comprehensive technique of compute...

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Abstract

The embodiment of the invention provides an image data processing method and device, equipment and a medium, and the method specifically relates to image instance segmentation and can be applied to a computer vision task. The method comprises: obtaining M object feature maps with different sizes from a source image, and obtaining classification confidence corresponding to pixel points in each object feature map, wherein M is a positive integer; obtaining an initial predicted polar radius corresponding to a pixel point in each object feature map, obtaining a contour sampling point in each object feature map according to the initial predicted polar radius, and determining the sum of the polar radius deviation of the contour sampling point and the initial predicted polar radius as a target predicted polar radius corresponding to the pixel point in each object feature map; and determining an object edge shape used for representing the contour of the target object in the source image according to the classification confidence and the target prediction polar radius corresponding to the pixel points in each object feature map. According to the embodiment of the invention, the image segmentation accuracy can be improved.

Description

technical field [0001] The present application relates to the technical field of artificial intelligence, and in particular to an image data processing method, device, equipment and medium. Background technique [0002] Instance segmentation refers to given an image or video frame, finds out all the instances contained in the image or video frame and performs identification and segmentation. As the basis of computer vision tasks such as video understanding and autonomous driving, instance segmentation has become a hot issue in the field of computer vision. [0003] At present, the image can be processed by using the contour-based instance segmentation method. By modeling the instance contour contained in the image, the edge pixel coordinates corresponding to the instances in the image can be predicted, and then the edge pixel coordinates can be obtained according to the edge pixel coordinates Determine instance contours in an image. However, when the instances in the image...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G06K9/34
CPCG06F18/25G06F18/24G06F18/253G06V10/454G06T7/12G06V10/806G06V10/82G06V10/44G06V10/764
Inventor 高斌斌罗凤
Owner TENCENT CLOUD COMPUTING BEIJING CO LTD
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