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Image strong reflection suppression method and system

A reflection suppression and image technology, which is applied in the field of image processing, can solve problems such as slow speed, inability to detect objects, and low brightness, and achieve the effects of reducing the amount of calculation, ensuring the accuracy of object detection, and reducing manpower

Pending Publication Date: 2022-04-26
成都希格玛光电科技有限公司
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Problems solved by technology

However, this method is slow due to the use of polynomial calculations, and the brightness of low-brightness areas is lower, making target detection impossible

Method used

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  • Image strong reflection suppression method and system
  • Image strong reflection suppression method and system
  • Image strong reflection suppression method and system

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Embodiment Construction

[0021] 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.

[0022] In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be mechanical connection or electrical connection, or two The internal communication of each element may be directly connected or indirectly connected through an intermediary. Those skilled in the art can understand the specific meanings of the above terms according to specific situations.

[0023] Such as fig...

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Abstract

The invention provides an image strong reflection suppression method and system. The image strong reflection suppression method comprises the following steps: acquiring an original image, and converting the original image from an RGB color space to a YUV color space; calculating a brightness threshold value t; according to a conversion strategy that the brightness Y value is higher than a brightness threshold value t, brightness reduction processing is carried out on the pixel, and meanwhile, a low-brightness value is reserved, and a brightness conversion mapping table is obtained; performing brightness conversion on the brightness Y value according to a brightness conversion mapping table; and converting the YUV color space picture after brightness conversion into an RGB color space. The image strong reflection suppression method is small in calculation amount, high in speed, capable of achieving real-time transformation and particularly suitable for scenes needing to make a quick response to image processing, such as preprocessing of target detection of a rail-mounted area of rail transit.

Description

technical field [0001] The invention relates to the field of image processing, in particular to an image strong reflection suppression method and system. Background technique [0002] With the continuous development of my country's high-speed railways, rail transit has increasingly become an important way for people to travel. Due to the long operating mileage, the safety maintenance of railway infrastructure is under increasing pressure. Therefore, ensuring the driving safety in the track area and timely and effectively discovering abnormal conditions in the track area have become the top priority; night pictures captured by ordinary cameras cannot be detected by algorithms due to low illumination; laser cameras can effectively solve this problem by using laser supplementary light. problem, but the strong reflection also affects the detection of foreign objects, which is a difficult problem that needs to be solved urgently. [0003] The strong reflection caused by laser s...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00
CPCG06T2207/10024G06T2207/10004G06T5/90
Inventor 万乾成丁亚茹韩飞
Owner 成都希格玛光电科技有限公司
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