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Research on the Prompt Steel Bar Separation System Based on Multi-view

Author: LiuYi
Tutor: ShaSha
School: Central South University
Course: Applied Computer Technology
Keywords: Machine Vision Visual servo Image Segmentation Online separation control
CLC: TP391.41
Type: Master's thesis
Year: 2008
Downloads: 16
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Abstract


The difficulty of the computer vision systems for the industrial production line system to achieve real-time performance, precision and robustness. Discussed \System by analyzing the distribution of images of of multiple camera continuously collected rebar bed in the chain of transmission, control the coordinated action of multiple sub-steel bodies, automatic separation of ten meters of rebar. : System design. The existing count and ends steel system, determined under the initial state of the rod at one end has been separated, in turn controls the stars steel wedge rise, the rod completely separate program; proposed the multi-segmented detection Head visual programs, reduces the difficulty of a multi-camera vision system, the system is easy to install and maintain, and improve the robustness of the system. Analysis of the image information. Filter denoising rod region segmentation opening area detection. According to the characteristics of the face image using adjustable smoothness and the smooth direction of sequential the rapid filtering algorithm to filter out the the vertical edge noise and other noise; proposed a combination of image edge features binarization method. The case of a greater change in the field intensity of ambient light throughout the target gray value greater difference exists, still be able to quickly and accurately target detection; opening boundary detection process based on a priori knowledge of the stars steel. Already in operation under sub-steel wedge, to be inferred from the centerline of the detection region, from the center line to the sides detected opening area of ??the set of boundary points, and then use the Hough transform fitting the best characterization of these points set the linear equation. The robustness of the method, suitable for noisy, discontinuous boundary points and meet the real-time requirements of the system. Multisection steel action decisions. Multisection steel wedge global optimization under the framework of the multi-camera vision segmented detection technology roadmap points steel wedge throughout the separation process as little as possible, and improve efficiency. Design completely separate steel simulation platform, the basic program debugging and program verification work completed in the laboratory. And complete system works on the basis of the simulation platform. Field, the design of the system structure and algorithm is effective, feasible, and has laid a good foundation for the promotion of the new system.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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