光学
立体视
计算机科学
立体视觉
计算机视觉
人工智能
物理
作者
Cheng Liu,Jianhua Liu,Xianzhi Ao,Fan Mo,Runhai Yang
出处
期刊:Optics Letters
[The Optical Society]
日期:2024-08-23
卷期号:49 (18): 5304-5304
摘要
Stereoscopic vision plays a significant role in a three-dimensional measurement. With the calibrated intrinsic and extrinsic parameters, stereoscopic vision can complete an accurate measurement. However, the extrinsic parameters are inevitably disturbed by variations in the environment, such as vibration and assembly stress, resulting in a huge measurement error. To overcome the problem, with the assistance of two known-distance points, this Letter proposes correction methods based on triangulation and differential geometry, respectively. The methods formulate the distance and solve the corrected extrinsic parameters. Simulated and actual experiments are carried out, and the results show high accuracy and stability of the proposed methods.
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