Foreground segmentation method applied to mobile communication network transmission

A mobile communication network and foreground segmentation technology, applied in the field of foreground segmentation methods, can solve the problems of limited wireless channel bandwidth and unsatisfactory effects, and achieve the effects of saving data volume, saving bandwidth and traffic costs, and reducing false positive rates.

Inactive Publication Date: 2014-09-10
CHONGQING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the effects of the two schemes are not satisfactory. The reason is that the bandwidth of the wireless channel is limited, and the error itself is random.

Method used

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  • Foreground segmentation method applied to mobile communication network transmission
  • Foreground segmentation method applied to mobile communication network transmission
  • Foreground segmentation method applied to mobile communication network transmission

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Embodiment Construction

[0066] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0067] In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or elem...

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Abstract

The invention provides a foreground segmentation method applied to mobile communication network transmission and belongs to the field of image processing and communication network transmission. Five background templates with the shooting time intervals to be consistent with image acquisition intervals in the case of operation are pre-stored, and the former four background templates are used for fine detection in the case when a target is detected coarsely. The difference region area between the monitored image and the background image is calculated to judge whether a target enters, the image does not need to be transmitted when the target does not exist, the target region is segmented when the target exists, and the target region is only transmitted. The received target region is fused in the pre-stored background image by a server for video playing or image presentation. In a shooting mode, in order to prevent a passerby from being judged to be an obstacle, the target is set to be transmitted to the server only when the target is extracted by a third party according to the scene length, the human walking speed and the monitoring shooting frequency. Background replacement can be timely carried out after each time of segmentation cycle acquisition is finished, and interference caused by light and other environmental changes can be overcome in a slow transition way.

Description

technical field [0001] The invention relates to a foreground segmentation method, which belongs to the field of image processing and mobile communication network transmission, in particular to a foreground segmentation method suitable for mobile communication network transmission. Background technique [0002] In modern cities, video surveillance has spread to all aspects of people's lives. It can be seen everywhere in elevators, fire exits, garages and other scenes. Traditional monitoring facilities use wired methods to transmit information. With the wide application of 3G and 4G networks, 3G Surveillance video transmission by mobile communication technology will become a major trend in the future. However, the amount of data generated by video surveillance is huge. If it is used in 3G transmission, it needs to occupy a huge bandwidth, consume a lot of traffic, and has certain requirements for the stability of 3G signals. In order to reduce the amount of data, the traditio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00H04N7/18
Inventor 唐朝伟赵斯曼陈瀚
Owner CHONGQING UNIV
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