Yin Hua Zhu

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A method is proposed to detecting deficient capsule through image processing method. It is composed of two steps. The first step, all capsule pixels are extracted by the rectangular boxes and are stored in a rectangle box list. Then all connected rectangles are grouped to form pattern-list. Each pattern is an isolated capsule. The second step, capsule image(More)
This paper proposed an edge detection technique based on extracting geometrical features from images. With helping of geometrical features, such as line and point features, fault connections are removed, edges of targets are refined. And we implement this algrithom on random arrangement capsule edge detection, and rely on refined edges defective capsules(More)
Effects of static electropulsing on microstructure and elongation of the ZA 22 alloy were studied by using scanning electron microscopy and transmission electron microscopy techniques. It was found that the current density of electropulsing treatment (EPT) was one of the factors that influenced microstructural changes and dislocation structure in the EPT(More)
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