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Flying insect detection method, device and terminal

A detection method and detection device technology, applied in the field of image processing, to achieve good monitoring effect

Inactive Publication Date: 2017-07-28
SHANGHAI XIAOYI TECH CO LTD
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Problems solved by technology

However, this kind of alarm is undesirable, that is, it is a false alarm, so it is necessary to detect and identify flying insects in the night vision environment to avoid false alarms

Method used

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  • Flying insect detection method, device and terminal
  • Flying insect detection method, device and terminal
  • Flying insect detection method, device and terminal

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Embodiment Construction

[0041] As described in the background art, the background difference method and the inter-frame difference method in the prior art are particularly sensitive to interference factors such as picture changes caused by the light, wind and green plants. In the night vision environment, flying insects can also cause picture changes during the flight. Since traditional motion detection algorithms are particularly sensitive to interference factors that cause picture changes, once a picture change is detected, a motion detection alarm is performed. However, this kind of alarm is undesirable, that is, it is a false alarm, so it is necessary to detect and identify the flying insects in the night vision environment to avoid false alarms.

[0042] The embodiment of the present invention performs a binarization operation on the result of the pixel difference between the first image and the second image, performs statistics on the binary image obtained by the binarization operation, and obtain...

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Abstract

The invention relates to a flying insect detection method, device and terminal, the method comprises the following steps: a first image and a second image to be detected are acquired; difference calculation is performed on the first image and the second image, and binaryzation operation is performed on a result of the difference calculation to obtain a binary image; the number of pixels with nonzero pixel value of the binary image in each column is counted to obtain a column pixel histogram; according to a counting result of the column pixel histogram, whether a flying insect occurs is determined. According to the technical scheme of the invention, the flying insect detection in an image can be realized to distinguish the flying insect from other objects in the image, so that better monitor effect can be realized in multi-field application scenarios.

Description

Technical field [0001] The present invention relates to the technical field of image processing, in particular to a flying insect detection method, device and terminal. Background technique [0002] In the field of image processing, the use of motion detection technology can automatically detect the motion scenes in the video, which can reduce the cost of manual monitoring and improve the efficiency and intensity of monitoring. Motion detection technology has been used as the basis of motion detection and video recording technology and is an important part of smart cameras. More and more smart cameras embed motion detection technology into camera firmware. [0003] There are mainly three types of traditional motion detection methods: optical flow method, inter-frame difference method and background difference method. The optical flow method forms an image motion field by assigning a velocity vector to each pixel in the image. At a specific moment of motion, the points on the image...

Claims

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Application Information

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IPC IPC(8): G06K9/32G06K9/46G06V10/28G06V10/40
CPCG06V10/25G06V10/507G06T7/254G06V10/28G06V10/40G06V10/467G06V10/758
Inventor 赵丽丽李召
Owner SHANGHAI XIAOYI TECH CO LTD
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