An Improved Method for NURBS Free-Form Surface Based on Discrete Stationary Wavelet Transform
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DOI: 10.1109/access.2020.2986607
Abstract: In order to improve fitting accuracy of free-form surface, an improved method for the currently recognized NURBS free-form surface based on discrete stationary wavelet transform is proposed. Firstly, the elevation image of the free-form surface… read more here.
Keywords: form surface; free form; wavelet transform;
General Geometry Calibration Using Arbitrary Free-Form Surface in a Vision-Based Robot System
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DOI: 10.1109/tie.2021.3090716
Abstract: Geometry calibration is a critical problem in vision-based robot systems. The calibration objects of existing methods are limited to regular shapes. In this article, a general calibration method using an arbitrary free-form surface is proposed… read more here.
Keywords: form surface; free form; calibration; geometry ... See more keywords
Strategy Adaptive Particle Swarm Optimization Algorithm for Solving Free-Form Surface Registration to Improve Detection Accuracy
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DOI: 10.1109/tim.2024.3453320
Abstract: The registration between the design model and the actual measurement model is a key problem in the detection of free-form surface parts. To improve the accuracy and robustness of free-form surface parts inspection, a strategy… read more here.
Keywords: form surface; swarm optimization; particle swarm; free form ... See more keywords
Free-form surface machining error compensation based on SSA-ICEEMDAN and blind source separation
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DOI: 10.1177/09544054251395174
Abstract: To improve the CNC machining accuracy of free-form surface parts, a method of combining sparrow search algorithm-improved complete ensemble empirical mode decomposition with adaptive noise (SSA-ICEEMDAN) and blind source separation is proposed to reduce the… read more here.
Keywords: surface; form surface; free form; iceemdan ... See more keywords
Free-Form Surface Partitioning and Simulation Verification Based on Surface Curvature
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DOI: 10.3390/mi13122163
Abstract: To address the problem of low overall machining efficiency of free-form surfaces and difficulty in ensuring machining quality, this paper proposes a MATLAB-based free-form surface division method. The surface division is divided into two stages:… read more here.
Keywords: form surface; free form; surface; simulation ... See more keywords