Data processing method and device for setting supplementary light group by ray tracing

Abstract

The present application discloses a data processing method and device for setting a supplementary light group through ray tracing. The method includes: determining the parameters of the camera and the monitoring distance; and initially setting the corresponding supplementary light group according to the parameters of the camera and the monitoring distance ;Determine the light distribution curve and radiant flux of the supplementary light group; obtain the corresponding field of view according to the parameters of the camera and the monitoring distance; determine the corresponding target according to the field of view; determine the light distribution curve and radiant flux of the supplementary light group Carry out ray tracing, get the tracing result, and then obtain the radiant flux on the target; according to the tracing result, the radiant flux on the target, the current magnitude of the supplementary light group, the angle of the supplementary light and the number of supplementary lights Make adjustments. It achieves the purpose of realizing the design of the camera light board through simulation, so that it can be predicted in advance whether the supplementary light group scheme is feasible, and it can save the cost and process of repeated material preparation, reduce frequent outdoor tests, and make the project The plan is under control.

Description

technical field [0001] The present application relates to the field of optics, in particular, to a data processing method and device for setting supplementary light groups through ray tracing, which are applicable to the fields of security monitoring, building intercom and smart home. Background technique [0002] At present, the night vision supplementary lighting solutions for security monitoring, building intercom, and smart home industry-related products can be divided into: 650nm, 730nm, 850nm, and 940nm according to the spectrum. The specifications of LED supplementary light selection rely on experience or mechanized reference of similar products. As a result, LED selection has great limitations and inaccuracies, and generally faces the following problems: [0003] 1. Shading: the housing blocks the light from the light source, resulting in insufficient LED fill light [0004] 2. Reflection: due to the design and selection of the primary lens or secondary lens of the...

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Problems solved by technology

[0003] 1. Shading: the housing blocks the light from the light source, resulting in insufficient LED fill light

[0004] 2. Reflection: due to the design and selection of the primary lens or secondary lens of the LED, the angle is too large, resulting in the problem of rain cover reflection;

[0005] 3. The spot angle is small: the lens angle of the LED is too small, resulting in a small spot, that is, the center is bright and the surrounding is dark;

[0006] 4. Low radiation flux: Due to the low radiation flux, it is difficult to see objects at a distance from the target under night vision conditions.

[0007] Based on the above, the camera light board needs secondary design or even multiple designs, which wastes a lot of time and material costs for scientific research institutes and enterprises.

[0008] For many technical problems in related technologies, the industry has not yet proposed effective solutions

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