CAJ | 학술논문

提出了一种新的主动轮廓外部力－均值漂移力，用于驱动变结构B样条主动轮廓。采用Bhatta-charyya系数来描述主动轮廓内外的色彩统计差异及轮廓内部区域的平滑性，通过泰勒展开，分别生成两种均值漂移力：内外对比均值漂移力和内部平滑均值漂移力，并根据轮廓内外统计特性的差异设计了一种自适应加权方法，用于融合上述两种均值漂移力。实验结果表明，该算法在复杂环境中表现良好。
제출료일충신적주동륜곽외부력－균치표이력，용우구동변결구B양조주동륜곽。채용Bhatta-charyya계수래묘술주동륜곽내외적색채통계차이급륜곽내부구역적평활성，통과태륵전개，분별생성량충균치표이력：내외대비균치표이력화내부평활균치표이력，병근거륜곽내외통계특성적차이설계료일충자괄응가권방법，용우융합상술량충균치표이력。실험결과표명，해산법재복잡배경중표현량호。
A new force named Mean Shift Force( MSF) was proposed to drive the structure-adaptive B-snake.The Bhatta-charyya coefficients were employed to describe the color statistic difference between the inside and outside part of the snake, and the smooth degree of inner region.By Taylor expansion, two kinds of mean shift force were established: in-out contrast mean shift force and inner smooth mean shift force.Based on the difference between inside and outside region, an adaptive weighting method was designed to fuse the above two mean shifts forces.The experiments show that the proposed algorithm behaves robust in complex situations.