Coding exposure high-dynamic imaging method based on double DMDs

Coding exposure high-dynamic imaging method based on double DMDs

The invention provides a coding exposure high-dynamic imaging method based on double DMDs (Digital Micromirror Device), which can be used for imaging a moving target and realizing dynamic image reconstruction when a sensor is saturated. The method comprises the following steps: firstly, controlling...

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Hauptverfasser: ZHANG HUAILI, SUN HUAYAN, LI YINGCHUN, LUAN CHENGLONG, CONG BAOHAI, ZHANG TINGHUA, FAN GUIHUA, TIAN LEIYUAN
Format: Patent
Sprache:chi ; eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator ZHANG HUAILI
SUN HUAYAN
LI YINGCHUN
LUAN CHENGLONG
CONG BAOHAI
ZHANG TINGHUA
FAN GUIHUA
TIAN LEIYUAN
description The invention provides a coding exposure high-dynamic imaging method based on double DMDs (Digital Micromirror Device), which can be used for imaging a moving target and realizing dynamic image reconstruction when a sensor is saturated. The method comprises the following steps: firstly, controlling light path turning of a reflector unit by utilizing the light efficiency of a DMD device and a 1-bit 0-1 code so as to realize first-time light brightness regulation and control; secondly, realizing secondary light intensity regulation and control by using time-division light division generated when the DMD performs 8bit 0-256 coding; and finally, sub-pixel-level brightness regulation and control and multi-scale aperture coding are realized by utilizing wave band and unit size differences between the two DMDs, and the problem that dynamic image reconstruction cannot be realized when the sensor is saturated by the existing DMD-based high-dynamic imaging method is solved. 本发明提出了一种基于双DMD的编码曝光高动态成像方法，能够对运动目标成像，实现传感器饱和时
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title Coding exposure high-dynamic imaging method based on double DMDs
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