The paper is built on the base of the computer image processing technology,using mathematics model to automatically discern the form of knobs surface and log reappear on computer. And trying to find a method that can automate to implement the mathematics depicts and discerns the shape of log knobs.The system applies itself to resolve the key problems in computer image processing and simulate reappear technology,taking full advantage of exiting equipment. The system software is designed by Matlab6.01 and model technology,base on Windows series operating system. It provides the good theory and application foundation for industrial popularization of log and log knob's automatic detection.The paper is supported by the project of Nature Scientific Foundation of Heilongjiang Province,"The Research of Video Frequency Dynamic Simulation and Mathematics Description of Log Video Frequency Result".
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