本文選題：運動員　切入點：膝關節(jié)軟骨挫傷　出處：《計算機仿真》2017年10期 　論文類型：期刊論文

【摘要】：對運動員膝關節(jié)軟骨挫傷圖像的特征點匹配,能夠對運動員膝關節(jié)軟骨撕裂挫傷進行更精確的診斷。對圖像的特征點匹配,需要通過兩個像點間的相關系數(shù)函數(shù),對兩個圖像點集進行匹配,完成對挫傷圖像的特征點匹配。傳統(tǒng)方法根據(jù)膝關節(jié)軟骨挫傷方塊的角點數(shù)信息,得到圖像基本輪廓,但忽略了對圖像點集的匹配,導致特征點匹配精度偏低。提出基于邊緣輪廓角點分割的運動員膝關節(jié)軟骨挫傷圖像特征點匹配方法。融合于像點特征相關性原理構建運動員膝關節(jié)軟骨挫傷圖像采集模型,利用閾值降噪方法對采集的圖像進行降噪濾波預處理,得到三維虛交點坐標,融合于雙向權值匹配方法計算出兩個像點間的相關系數(shù)函數(shù),并利用上述函數(shù)對兩個圖像點集進行匹配,依據(jù)匹配的結果完成對運動員膝關節(jié)軟骨挫傷圖像特征點匹配。實驗結果表明,所提方法特征點匹配精度較高,可以為運動員膝關節(jié)軟骨挫傷診斷提供客觀的依據(jù)。
[Abstract]:To match the characteristic points of athletes' knee articular cartilage contusion images, it is possible to make a more accurate diagnosis of the athlete's knee cartilage laceration contusion, and to match the characteristic points of the images, we need to pass the correlation coefficient function between the two image points. The traditional method is based on the angle number information of articular cartilage contusion square to get the basic contour of the image, but neglects the matching of the image point set. Because of the low accuracy of feature point matching, this paper presents a method of feature point matching based on edge contour corner segmentation of athletes' articular cartilage contusion image. The image acquisition model of athlete's knee articular cartilage contusion image is constructed by combining the image point feature correlation principle with the image point feature correlation principle. Using the threshold denoising method to pre-process the image acquired by de-noising filtering, the three-dimensional virtual intersection coordinates are obtained, and the correlation coefficient function between the two image points is calculated by combining the two-way weight matching method. The above function is used to match the two image points set, according to the matching results, the feature points of the athletes' knee articular cartilage contusion image are matched. The experimental results show that the proposed method has a higher matching accuracy. It can provide objective basis for diagnosis of articular cartilage contusion of athletes.
【作者單位】： 山東大學(威海);
【分類號】：R873;TP391.41

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