提出一种基于类曲率的方法,并以其作为判定曲线相似程度的依据。该方法对基于曲率的方法进行了改进,在旋转、平移及等比例缩放变换下均有效。同时提出一种计算样条曲线匹配段落参数的方法,并应用于图像拼接、图像修补、图像中的物体检索等。实验结果表明了该方法的有效性。

The similarity of curves has wide applications in computer graphics.In this paper we provide a quasi-curvature based method for measuring curve similarity.In principle,the new method works under rotation,translation and proportional zooming.The parameter intervals of the similar sections between two different curves can be calculated at the same time.Experiments illustrate the effectiveness of the new method in applications such as image stitching and image object retrieval.