Method and device for determining target radiation brightness characteristic under outdoor visible light condition
The invention relates to a method and a device for determining target radiation brightness characteristics under an outdoor visible light condition. The method comprises the following steps: determining multiple test conditions; for each test point in the preset range, performing downward-looking de...
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| creator | FAN BOZHAO DAI FEI WANG GUANGPING CHEN HONG SUN TENG WANG FENGSHUAI PENG YUE SU BIDA |
| description | The invention relates to a method and a device for determining target radiation brightness characteristics under an outdoor visible light condition. The method comprises the following steps: determining multiple test conditions; for each test point in the preset range, performing downward-looking detection on the tested target by using a pre-calibrated imaging brightness meter to obtain an image at each test point under the current test condition and a gray value of each pixel in the image; the conversion relation between the gray value of each pixel on the detector of the imaging brightness meter and the visible light radiation brightness value is known; determining a radiation brightness value of each pixel in each test point image based on the conversion relation; determining a radiation brightness difference value of different areas in the corresponding image based on the radiation brightness value of each pixel; and analyzing the change rule of the radiance difference value of different areas under each |
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| subjects | COLORIMETRY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY TESTING |
| title | Method and device for determining target radiation brightness characteristic under outdoor visible light condition |
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