Method and system for detecting pedestrians in video stream

A technology of pedestrian detection and video streaming, which is applied in the field of image tracking, can solve problems such as low detection efficiency and inaccurate detection results, and achieve efficient and accurate pedestrian detection

Active Publication Date: 2017-06-13
ZMODO TECH SHENZHEN CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Based on this, it is necessary to provide a method and system for pedestrian detection in video streams with high detection efficiency and accurate detection results for the problems of low detection efficiency and inaccurate detection results of pedestrian detection technology in general video streams

Method used

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  • Method and system for detecting pedestrians in video stream
  • Method and system for detecting pedestrians in video stream
  • Method and system for detecting pedestrians in video stream

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Embodiment Construction

[0020] In order to clearly explain the technical solution of the pedestrian detection method and system in the video stream of the present invention, the definitions of symbols appearing in the subsequent content will be described below, as shown in Table 1, Table 2, Table 3 and Table 4 below.

[0021] Table 1 is the first correspondence table of symbols and definitions

[0022] symbol idx full valid roi illustrate Mobile frame side area number The final merged image fillable area real fill area

[0023] Table 2 is the second correspondence table of symbols and definitions

[0024] symbol right down illustrate The remaining area on the right after filling The remaining area below after filling

[0025] Table 3 is the third correspondence table of symbols and definitions

[0026]

[0027] Table 4 is the fourth correspondence table between symbols and definitions

[0028]

[0029] Such as figure 1 Shown, a k...

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Abstract

The invention provides a method and a system for detecting pedestrians in video streams. The method comprises the steps of obtaining multiple paths of video streams; performing moving target detection on each path of video stream; segmenting out a moving target region of each picture; splicing all pictures into a single large picture through a divide-and-conquer-based combination algorithm; obtaining a spliced image; and performing neural network prediction on the spliced image through a convolutional neural network to obtain a detection result. In the whole process, a moving target detection algorithm and a convolutional neural network pedestrian detection algorithm are efficiently combined together through the divide-and-conquer region combination algorithm, so that the pedestrians in the video streams can be efficiently and accurately detected.

Description

technical field [0001] The invention relates to the technical field of image tracking, in particular to a method and system for pedestrian detection in video streams. Background technique [0002] Pedestrian detection technology in video streams is currently widely used in the fields of smart home and industrial security. The pedestrian detection technology obtains the pedestrian area by analyzing the video stream collected by the front-end camera frame by frame, and uses this as a trigger condition to report the detected pedestrian objects to the user. [0003] Pedestrian detection technologies in video streams are roughly divided into two categories: 1. Detection based on moving objects. This type of technology uses still images of no one as foreground images, and analyzes the difference between each frame image and the foreground image in real time. The probability of the pixels belonging to the stationary target or the moving target is established, and the positions bel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCG06V40/10G06V20/41G06V20/49
Inventor 陈榕齐
Owner ZMODO TECH SHENZHEN CORP
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