Traditional artifact detection needs to manually select and extract suitable image features, but some artifacts have weak surface textures, which may cause problems such as difficulty in feature extraction or poor robustness. In order to apply visual servoing technology to the detection and positioning of low-texture artifacts, this paper proposes a target detection platform based on YOLOv4-Tiny. Using four types of low-texture water pipe connectors with different shapes as image samples, a data set was made, which not only realized the accurate identification of low-texture artifacts, but also reduced the actual hardware requirements. For the positioning of the target artifact, the relative pose estimation method based on the target detection frame is proposed for further improving the visual servo system. The experimental results show that the system solves the problem of difficulty in extracting visual features of low-texture artifacts, and the positioning error can be controlled within ±1 mm or ±1 degree in practical application.
Low Texture Artifacts Recognition and Visual Servo Position Based on YOLOv4-Tiny
2022-10-12
1616617 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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