Camera intelligent light supplementing method based on image recognition

An image recognition and intelligent technology, applied in the field of camera fill light, can solve problems such as overexposure of the picture

Inactive Publication Date: 2019-07-16
南京东奇艾尼特科技有限公司
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  • Abstract
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Problems solved by technology

[0002] The camera light supplement control devices on the market generally achieve the desired purpose through prior programming or manual intervention, and are not controlled by image recognition algorithms.
[0003] Especially in the case of product quality inspection, when the A and B sides of the product need to be supplemented with light for photo inspection at the same time, if the existing technology is used to supplement light on both sides, there will be some light sources on the edge because there is no inspection in the middle The occlusion of the product directly shines on the opposite camera, which leads to overexposure of the image at the edge of the product

Method used

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  • Camera intelligent light supplementing method based on image recognition
  • Camera intelligent light supplementing method based on image recognition
  • Camera intelligent light supplementing method based on image recognition

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Embodiment Construction

[0019] Such as figure 1 As shown, it is a schematic diagram of an intelligent supplementary light device. The relative positions of the camera, supplementary light source and the subject are fixed, the camera lens is perpendicular to the shooting surface, and the supplementary light source is on the same plane as the camera lens, parallel to the shooting surface. The supplementary light source is a segmented control LED light bar, and every three LED lamp beads are in a group, and each group can control the switch and luminous power independently. Each group of lamp beads corresponds to an area of ​​a certain width of the object to be photographed, and the center point of the object is taken as the origin to form an abscissa mapping between each group of lamp beads and the object to be photographed, which is stored in the intelligent light supplement controller. Such as figure 2 As shown, assuming that each lamp bead group is responsible for a 1cm area, when the abscissa of ...

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Abstract

The invention discloses a camera intelligent light supplementing method based on image recognition. The device is characterized in that the light supplementing light source is arranged to be a multi-section lamp set capable of being controlled in a sectioned mode, each section of lamp set can independently control a switch and light emitting power, each section of lamp set corresponds to a certainwidth area of a shot object, and the horizontal coordinate mapping relation between each section of lamp set and the shot object is formed; and the image edge of the shot object is identified, and when the edge coordinates change, the lamp groups are turned on in the range corresponding to the edge coordinates according to the horizontal coordinate mapping relationship between each section of lamp group and the shot object, and other lamp groups are turned off. The illumination range of the fill-in light source can be adjusted in real time according to the position of a shot object; a reference template can be set to adjust the output power of each light emitting group of the light supplementing light source; and double-sided intelligent light supplement of a double-sided quality inspection product can be supported.

Description

technical field [0001] The invention relates to a method for supplementing light for a camera, which belongs to the technical field of video images. Background technique [0002] The camera light supplement control devices on the market generally achieve the desired purpose through prior programming or manual intervention, and are not controlled by image recognition algorithms. [0003] Especially in the case of product quality inspection, when the A and B sides of the product need to be supplemented with light for photo inspection at the same time, if the existing technology is used to supplement light on both sides, there will be a part of the light source at the edge because there is no inspection in the middle The occlusion of the product directly shines on the opposite camera, thus causing the image at the edge of the product to be overexposed. [0004] Especially when the product is being continuously monitored and the overall product will move horizontally causing th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/225H04N5/235
CPCH04N23/56H04N23/74
Inventor 沙骁骅王庆典陆志刚
Owner 南京东奇艾尼特科技有限公司
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