Feature processing method and device, electronic equipment and computer readable storage medium

A processing method and feature group technology, applied in the computer field, can solve the problems of high calculation cost and high degree of parameter redundancy, and achieve the effect of reducing coincidence, parameter redundancy and calculation cost

Pending Publication Date: 2021-03-02
BEIJING QIYI CENTURY SCI & TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the embodiments of the present invention is to provide a feature processing method, device, electronic equipment, and

Method used

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  • Feature processing method and device, electronic equipment and computer readable storage medium
  • Feature processing method and device, electronic equipment and computer readable storage medium
  • Feature processing method and device, electronic equipment and computer readable storage medium

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[0022]The technical solutions in the embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention.

[0023]figure 1 It is a flowchart of the steps of a feature processing method provided by an embodiment of the present invention, such asfigure 1 As shown, the method can include:

[0024]Step 101: For any feature to be processed, perform grouping convolution operations on the feature to be processed at least three times to obtain at least three feature components; the feature to be processed includes the frame feature of the target video frame in the video to be processed; Based on the first feature component and the second feature component of the at least three feature components, an attention map based on a self-attention mechanism is calculated.

[0025]In the embodiment of the present invention, the video to be processed may be a video for which video features need to be extracted, and the video to be processed ...

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Abstract

The invention provides a feature processing method and device, electronic equipment and a computer readable storage medium, and belongs to the technical field of computers. The method comprises the steps of: performing at least three times of grouping convolution operation on any to-be-processed feature, and obtaining at least three feature components, wherein the to-be-processed feature comprisesframe features of a target video frame in a to-be-processed video, at least three times of grouping convolution operation are carried out on the to-be-processed feature, and at least three feature components are obtained; and calculating an attention graph based on a self-attention mechanism based on a first feature component and a second feature component in the at least three feature components, and obtaining video features of the to-be-processed video according to the remaining feature components, the attention graph, each to-be-processed feature and a preset weight. The method comprises agrade grouping structure, and convolution operation is carried out by adopting grouping convolution operation, so that parameter redundancy and calculation cost can be reduced to a certain extent.

Description

technical field [0001] The invention belongs to the technical field of computers, and in particular relates to a feature processing method, device, electronic equipment and computer-readable storage medium. Background technique [0002] In video understanding technology, it is often necessary to extract frame features of some video frames in the video to be processed, and then gather these frame features into video-level video features. [0003] In the prior art, frame feature aggregation can be performed through a non-local block. Since the frame feature aggregation is performed directly on the entire feature to be processed, the convolution operation, therefore, in this processing method, there will be problems of high parameter redundancy and high calculation cost. Contents of the invention [0004] The purpose of the embodiments of the present invention is to provide a feature processing method, device, electronic equipment, and computer-readable storage medium to sol...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06N3/04G06N3/08
CPCG06N3/08G06V20/46G06N3/045Y02D10/00
Inventor 刘倩王涛
Owner BEIJING QIYI CENTURY SCI & TECH CO LTD
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