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Image feature map processing method and device, storage medium, terminal

A processing method and feature map technology, applied in the field of image processing, can solve the problems of single information, limited information, and the accuracy needs to be improved, and achieve the effect of optimizing coordinate information, improving accuracy, and improving accuracy.

Active Publication Date: 2021-11-02
SPREADTRUM COMM (SHANGHAI) CO LTD
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Problems solved by technology

[0003] However, the information in the feature map extracted in the prior art is relatively single, usually only contains the pixel value of the pixel in the image, the information in the feature map is very limited, and the accuracy of the neural network in processing computer vision tasks still needs to be improved

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  • Image feature map processing method and device, storage medium, terminal
  • Image feature map processing method and device, storage medium, terminal
  • Image feature map processing method and device, storage medium, terminal

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Embodiment Construction

[0030] As described in the background art, there is an urgent need for a method for processing image feature maps, which can enrich information in the image feature maps, thereby improving the accuracy of processing computer vision tasks.

[0031] The inventors of the present invention have found through research that the existing computer vision processing tasks mainly include target detection, image recognition, etc., and determining the position of the target in the image is a crucial part of performing these computer vision processing tasks. Face key point detection is one of the most important steps in tasks such as facial expression analysis or face pose estimation. In the prior art, the position information in the image is mainly determined according to the pixel value of each pixel point in the feature map, for example, the edge position in the image can be determined according to the pixel value of the pixel point, but the position obtained in this way Information is ...

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Abstract

A method and device, a storage medium, and a terminal for processing a feature map of an image, the method comprising: acquiring an initial feature map of an image; and performing coordinate coding on each pixel in the initial feature map to obtain the position of each pixel in the Coordinate values ​​in the initial feature map; update the initial feature map according to the coordinate values ​​of each pixel in the initial feature map to obtain an updated feature map, the updated feature map includes each pixel. coordinate value. Through the solution of the present invention, the information in the feature map can be enriched.

Description

technical field [0001] The present invention relates to the technical field of image processing, and in particular to a method and device, a storage medium, and a terminal for processing a feature map of an image. Background technique [0002] In recent years, neural network (Neural Networks) technology has been widely used in processing computer vision (Computer Vision) tasks. For example, using a trained neural network for image classification, object detection and face key point detection, etc. When using neural network technology to process computer vision tasks, it is usually necessary to extract the feature map (Feature Map) of the image, and then perform detection or classification based on the extracted feature map. It is understandable that the richer and more comprehensive the information in the feature map, the more accurate the results obtained by the neural network. [0003] However, the information in the feature map extracted in the prior art is relatively s...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/46G06K9/62G06N3/04
CPCG06V10/40G06V2201/07G06N3/045G06F18/253
Inventor 李明蹊
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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