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Method based on audio/video combination for detecting highlight events in football video

An event detection, audio and video technology, applied to computer components, pulse modulation TV signal transmission, instruments, etc., can solve the problem of only detecting the excited sound of the commentator, unclear description of slow motion detection technology, and no scoring event Make further judgments and other issues to achieve good classification results, improve retrieval speed, and fast results

Inactive Publication Date: 2010-02-17
NANJING UNIV OF SCI & TECH
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Problems solved by technology

In addition, in the literature "Liu Yuchi et al. Semantic analysis of multi-modal sports videos [J]. Computer Science, 2007, 34(1): 109-111." Although a fusion of audio information and visual information is proposed to analyze the highlights of football videos However, due to the defect of the audio classification method in this article, only the excited sound of the commentator can be detected, so only the shooting event is detected in the highlight event detection, and no further judgment is made on the goal event in the shooting event
In addition, the description of slow motion detection technology in the literature is not clear

Method used

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  • Method based on audio/video combination for detecting highlight events in football video
  • Method based on audio/video combination for detecting highlight events in football video
  • Method based on audio/video combination for detecting highlight events in football video

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Embodiment Construction

[0021] combine figure 1 , in the wonderful event detection method of football video based on audio-video fusion in the present invention, first execute step 1 and decode the football match compressed video that needs to be retrieved through a decoder to obtain a video stream; then execute step 2 to carry out lens segmentation to video, segment The result is stored in the database, and the stored information includes the shot number, the start frame and end frame of the corresponding shot in the video stream, and the video name; then step 3 is performed, in this step, the logo shot is detected according to the shot segmentation result, and then Perform slow motion detection based on the logo lens, and store the slow motion detection results in the database. The information to be saved includes the slow motion number, the start frame and the end frame of the slow motion in the video stream; perform step 4, and check for step 1 Extract the audio from the decoded video stream to o...

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Abstract

The invention discloses a method based on audio / video combination for detecting highlight events in a football video. The method comprises the following steps: (1) decoding a compressed video of a football match to acquire video streaming; (2) segmenting the shots of the video streaming; (3) detecting logo shots according to the result of shot segmentation, and further detecting slow motions on the basis of the logo; (4) carrying out the audio extraction from the video streaming to acquire audio streaming, splitting the audio streaming into audio segments, and then, classifying each audio segment by view vectors extracted from each audio segment; and (5) detecting the highlight events by combining the slow motions according to the classification results of the audio segments and the temporal correspondence between the video streaming and the audio streaming. By effectively combining audio information with visual information, the invention not only detects abundant highlight events, butalso has the advantages of high accuracy, high speed and low splitting rate.

Description

technical field [0001] The invention belongs to the detection technology of exciting events in sports videos, in particular to a method for detecting exciting events in football videos based on slow-motion detection in football videos, classifying audio information in videos, and effectively integrating audio information and visual information. Background technique [0002] Football is one of the most widely played sports in the world and is loved by a large number of fans. Usually a complete football game lasts around two hours, but the highlights that can attract the audience account for only a small part of it. Therefore, providing a summary of exciting events and a quick view generation scheme for football games can save people a lot of precious time. In the existing technology, the detection of exciting events is mostly based on visual information. For example, the Chinese patent with the publication number of CN 1991864A discloses a goal-based football video exciting ...

Claims

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Application Information

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IPC IPC(8): G06F17/30G06K9/00H04N7/52
Inventor 王建宇张玉珍魏带娣
Owner NANJING UNIV OF SCI & TECH
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