国产欧美精品一区二区,中文字幕专区在线亚洲,国产精品美女网站在线观看,艾秋果冻传媒2021精品,在线免费一区二区,久久久久久青草大香综合精品,日韩美aaa特级毛片,欧美成人精品午夜免费影视

The traditional passive binocular stereo vision three-dimensional measurement technology has the advantages of simple operation, flexible and convenient use, and mature camera calibration technology, but it is difficult to find matching points ,and the matching accuracy is low for images with sparse feature points. The encoded structured light measurement method acquires the encoded image by decoding a specific coding pattern to the object to be measured, and decodes the three-dimensional information of the object. It has the advantages of high measurement accuracy and high speed, but it has the disadvantages of low calibration accuracy and difficult to realize. The 3D measurement method combining binocular stereo vision with coded structured ligh, based on completing the binocular correction to the object projection, gray code patterns and multi-step phase-shift pattern to the measured object can be easily identified and controlled feature information, finally obtain three-dimensional information of objects. Moreover, it is proved by experiment that projective multi-step phase-shifting pattern is more accurate than 4 step phase shifting pattern, and can reflect object details better.