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Goal checking and football video highlight event checking method based on the goal checking

A detection method and goal technology, applied in computer parts, character and pattern recognition, instruments, etc., can solve the problems of low detection accuracy and time-consuming, achieve low false detection rate, reduce false detection rate, and accurately extract Effect

Inactive Publication Date: 2007-07-04
XIAOSHAN IND RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The feature used in HMM training is the motion feature of the camera. The motion feature of the camera itself is difficult to extract. The HMM obtained through training has a detection accuracy of 80% for highlight event detection, which is time-consuming and the detection accuracy is not high.

Method used

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  • Goal checking and football video highlight event checking method based on the goal checking
  • Goal checking and football video highlight event checking method based on the goal checking

Examples

Experimental program
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Effect test

Embodiment 1

[0057] In this embodiment, an image processing process of a football video is taken as an example to further describe the present invention. The present invention is mainly divided into two steps: detecting the appearance of the goal, and combining some heuristic rules to detect the wonderful events in the football video on the basis of detecting the goal. The following is a detailed description of each step:

[0058] 1. Goal detection

[0059] The invention proposes a method for automatically detecting goals in football videos. As the most important sign in the football field, the present invention extracts two goalposts as the sign of finding the goal, and the appearance of the goal indicates a potential shooting or scoring event. The present invention can judge whether there is a goal in any frame (mainly the distant view image, middle ground image) in the football video, if there is a goal, then the parameter information of two goal posts can be obtained at the same time...

Embodiment 2

[0090] On the basis of detecting the goal in Embodiment 1, combined with the detection of the corner kick position, the corner kick event can be detected.

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Abstract

The invention discloses a goal detecting and a football video fine event detecting method based on the goal detecting. The steps of the goal detecting method are as following: (1) extracting a frame of color football video image; (2) the video image is straw hat transformed to extract the edge image; (3) searching for the section which fulfills definite threshold value in vertical direction neighborhood based on the edge image; (4) the section gained from the up step, the most longest sections are selected as alternative goal gatepost by Hofmann transformation; (5) whether the alternative goal gatepost in up step is goal can be determined by the second heuristic rule. The steps of the football video fine event detecting method based on the goal detecting includes: 1) goal detecting; 2) based on the detecting goal, combining the first heuristic rule to detect the fine event in the football video. The invention possesses advantages of accuracy, quick-speed and low false retrieval.

Description

technical field [0001] The invention relates to a method for detecting a goal and a wonderful event in a football video, and more specifically, relates to a method for detecting a wonderful event in a football video based on goal detection. Background technique [0002] Highlight extraction plays an important role in fast browsing of sports videos. Viewers usually focus on some key segments in sports videos rather than the entire video segment. Being able to extract exciting events flexibly and automatically helps to quickly and accurately understand video content. In the prior art, methods for extracting highlights are mainly divided into two categories: replay-based and rule-based. The method based on replay thinks that the wonderful event is an event that is replayed in the TV broadcast, and the occurrence of the wonderful event is determined by identifying the replay mode. The rule-based highlight event detection method finds the rule of the highlight event through ma...

Claims

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Application Information

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IPC IPC(8): G06K9/32G06K9/38
CPCG06K9/00711G06V20/40
Inventor 杨颖栾焕博曹娟张勇东林守勋
Owner XIAOSHAN IND RES INST
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