Precision mapping method of point cloud texture based on near-infrared laser
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1. Tianjin Key Laboratory of Intelligent Control of Electrical Equipment, Tiangong University, Tianjin 300387, China;2. Tianjin Jingshi Qiankun Co., Ltd., Tianjin 300112, China[* This work has been supported by the Program for Innovative Research Team in University of Tianjin (No.TD13-5036), and the Tianjin Science and Technology Popularization Project (No.22KPXMRC00090).

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    Abstract:

    To fulfill the need for acquiring three-dimensional (3D) objects with more realistic textures and depth information, this study proposes a method based on near-infrared laser, combined with dual camera field of view center correction and binocular stereo calibration, to precisely capture the target surface texture. Furthermore, we constructed a verification system using standard industrial cameras and line lasers, achieving the generation of binocular line laser point cloud real textures. Experiments conducted within a 400 mm to 600 mm testing range achieved a reconstruction accuracy of 0.047 2 mm and reduced the texture mapping error to 0.323 4 pixel, proving the effectiveness of this method and providing a high-precision, low-cost solution for 3D point cloud model texture mapping.

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WU Zhichao, GAO Tian, SONG Limei, YANG Yan’gang, ZHAO Miao, ,QIAO Zhi. Precision mapping method of point cloud texture based on near-infrared laser[J]. Optoelectronics Letters,2025,(6):336-341

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History
  • Received:April 26,2024
  • Revised:November 28,2024
  • Adopted:
  • Online: May 06,2025
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