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Illumination method for multi-layer spatial light modulation adaptive light field

A technology of spatial light modulation and lighting method, which is applied in the field of light field lighting, and can solve problems such as difficulty in meeting the individual needs of users

Active Publication Date: 2019-03-12
NANJING NORTH OPTICAL ELECTRONICS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional lighting methods are often difficult to meet the individual needs of users

Method used

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  • Illumination method for multi-layer spatial light modulation adaptive light field
  • Illumination method for multi-layer spatial light modulation adaptive light field
  • Illumination method for multi-layer spatial light modulation adaptive light field

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Embodiment Construction

[0022] Such as figure 2 As shown, the overall flow chart of the multi-layer spatial light modulation adaptive light field illumination method and system according to the embodiment of the present invention includes the following steps:

[0023] Step S1, according to the detection requirements, design the light field illumination required by the user, and use related software for rendering. The object to be detected can adopt transmissive, reflective or other lighting methods, and the angle, brightness, wavelength, and timing of the lighting light field can be completely personalized according to requirements. The light field after rendering is the target light field to be realized.

[0024] Step S2, solving the optimal non-negative mask sequence group.

[0025] Step 201, mathematical representation of discrete light field and discrete spatial light modulation mask.

[0026] A static multilayer spatial light modulator can be viewed as a set of 2D light attenuation functions...

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Abstract

The invention provides an illumination method for a multi-layer spatial light modulation adaptive light field, which comprises the following steps: step 1, designing an illumination light field according to requirements; step 2, solving an optimal non-negative mask sequence set; step 3, designing a multi-layer time division multiplexing mask sequence set; step 4, displaying the illumination lightfield.

Description

technical field [0001] The invention relates to a light field lighting technology, in particular to a multi-layer spatial light modulation adaptive light field lighting method. Background technique [0002] The light field (light field) can be traced back to the definition given by Faraday in 1846, that is, the amount of light passing through each point in each direction. A light field is essentially the totality of the light radiation functions of all light rays in space. Light carries two-dimensional position information (u, v) and two-dimensional direction information transmitted in the light field. The acquisition of light fields and the generation of specific light fields have always been research hotspots in the fields of computational photography and stereo vision. In industrial inspection, ideal lighting conditions are the prerequisite for obtaining an ideal image of the object to be inspected and performing subsequent inspections. However, traditional lighting ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B37/02G02F1/1347G01N21/01
CPCG01N21/01G02F1/1347H05B47/10Y02B20/40
Inventor 鲍家坤宋春林何军刘焕郭雷平韩鹏袁鸯曹玲玲王娟侯海婷杨磊李香亭史玉龙童安玲
Owner NANJING NORTH OPTICAL ELECTRONICS