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Cross-screen trip line sketching method and device, electronic equipment and storage medium

A tripwire and multi-screen technology, applied in the Internet field, can solve the problems of wasting computing resources, computing complexity, and low efficiency, and achieve the effect of speeding up and simplifying the judgment of computing complexity

Pending Publication Date: 2022-02-11
ZHEJIANG UNIVIEW TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, such a delineation method is computationally complex, will waste more computing resources, and is less efficient

Method used

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  • Cross-screen trip line sketching method and device, electronic equipment and storage medium
  • Cross-screen trip line sketching method and device, electronic equipment and storage medium
  • Cross-screen trip line sketching method and device, electronic equipment and storage medium

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Embodiment Construction

[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0040] Before discussing the exemplary embodiments in more detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although the flowcharts describe various operations (or steps) as sequential processing, many of the operations may be performed in parallel, concurrently, or simultaneously. In addition, the order of operations can be rearranged. The process may be terminated when its operations are complete, but may also have additional steps not ...

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Abstract

The embodiment of the invention discloses a cross-screen trip line sketching method and device, electronic equipment and a storage medium. The method comprises the following steps: segmenting a picture window area displayed on a display wall, and determining a segmented area in each display split screen of the display wall, wherein the display wall comprises a plurality of display split screens arranged in an array; setting the segmented area as a central grid and dividing the display wall area into a nine-square grid; performing logic OR and logic AND operation on the codes of a grid where two end points of a trip line in the picture window area are located; and according to the operation results of the logical OR and the logical AND, controlling to sketch the trip line located in the segmented area in the display split screen where the segmented area is located so as to display the trip line in a cross-screen manner. By the adoption of the technical scheme, compared with trip line distribution judgment through multiplication and division complex operation involved in equation calculation, the trip line judgment calculation complexity can be simplified through coding logic operation, the speed of recognizing whether the trip lines intersect or not is increased, and the trip line can be rapidly sketched in multiple areas.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of the Internet, and in particular to a cross-screen tripwire drawing method, device, electronic equipment, and storage medium. Background technique [0002] The camera equipment needs trip wires to divide the monitoring area. The monitoring mechanism is provided in the monitoring area, and the monitoring is not performed in the non-monitoring area. [0003] In order to save resources and improve data transmission speed, the tripwires are usually not superimposed on the image and then transmitted to the splicing controller, but the tripwires are drawn at the splicing controller according to the coordinates of the tripwires transmitted from the front-end camera equipment. In the related art, it is necessary to express each split-screen boundary line and trip wire in an equation, and then calculate the intersection point through equation calculation to realize trip wire outline. Howe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/11G06T7/13G06F3/14
CPCG06T7/11G06T7/13G06F3/1446G06T2207/20021
Inventor 胡晶贾召飞张瑜凯林杰
Owner ZHEJIANG UNIVIEW TECH CO LTD
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