Method for jointly monitoring multi-channel images and splicing equivalent space images

A technology of equivalent space and image splicing, applied in image communication, closed-circuit television system, television, etc., can solve the problem of small CCD image format

Active Publication Date: 2015-02-25
NORTHWESTERN POLYTECHNICAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to overcome the shortcomings of the small size of the existing CCD image, the present invention provides a multi-channel image joint monitoring and equivalent space image stitching method

Method used

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  • Method for jointly monitoring multi-channel images and splicing equivalent space images
  • Method for jointly monitoring multi-channel images and splicing equivalent space images
  • Method for jointly monitoring multi-channel images and splicing equivalent space images

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Embodiment Construction

[0035] The specific steps of the multi-channel image joint monitoring and equivalent space image splicing method of the present invention are as follows:

[0036] 1. The azimuth and elevation angles of a group of CCDs installed on different pan / tilts can be adjusted, or a group of CCDs installed on the same pan / tilt needs to be adjustable in height and angle, which is adjusted by automatic control, which is equivalent to a large format CCD monitoring system; four 720*576 format CCDs can be combined into an equivalent CCD larger than 720*576 and less than or equal to 1440*1152 format, realizing 25 frames per second in PAL standard and 30 frames per second in NTSC standard;

[0037]2. According to the area coverage requirements of a given distance and the different distances of the selected electric lens, the field of view can be obtained. A group of CCD azimuth angles and height angles installed on different heads can be adjusted with small servos, or the same head can be instal...

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Abstract

The invention discloses a method for jointly monitoring multi-channel images and splicing equivalent space images, which is used for solving the technical problem that the breadth of the conventional CCD (Charge Coupled Device) image is small. The technical scheme is that a set of CCD azimuth angles and elevation angles mounted on different cradle heads are regulated in an automatic control manner according to region overlapping requirements in a given distance and field angles in different distances of an electric lens, or the CCD elevation angles mounted on the same cradle head are regulated in the automatic control manner to realize maximum coverage in a given monitoring region. According to the method for jointly monitoring the multi-channel images and splicing the equivalent space images, a plurality of small-breadth CCD systems are equalized into a large-breadth CCD monitoring system by a monitoring space equalizing method, and a plurality of repeated monitoring regions are merged and estimated.

Description

technical field [0001] The invention relates to an intelligent traffic system, in particular to a multi-channel image joint monitoring and equivalent space image splicing method. Background technique [0002] Video surveillance has a wide range of applications. my country's highways, urban traffic, and community security all use video surveillance. In recent years, CCD surveillance has been used in aircraft ground observation, low-altitude surveillance, construction site surveillance, and airport scene surveillance. [0003] In terms of low-altitude surveillance, as stated in the literature (Luo Xiao, Lu Yu, Wu Honggang, Airport scene surveillance method using multi-video fusion, Telecommunications Technology, 2011, Vol.51(7), pp: 128-132), for a long time, Radar technology plays an important role in the Air Traffic Control (ATC) system in civil aviation. According to the interaction mode with the detected object, it can be divided into two types: cooperative radar and non-c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/232H04N7/18G06T11/60
Inventor 史忠科
Owner NORTHWESTERN POLYTECHNICAL UNIV
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