实时传输协议(real-time transport protocol,RTP)用于视频数据流的实时传输和质量监测。针对可伸缩编码(scalable video coding,SVC)视频数据经过差错信道后出现质量增强层数据丢失的问题,根据RTP封装报头判断丢失的质量增强层位置,采...实时传输协议(real-time transport protocol,RTP)用于视频数据流的实时传输和质量监测。针对可伸缩编码(scalable video coding,SVC)视频数据经过差错信道后出现质量增强层数据丢失的问题,根据RTP封装报头判断丢失的质量增强层位置,采取丢弃或拷贝补偿方法实现差错隐藏。实验结果证明了差错隐藏算法的有效性和标准兼容性。展开更多
Any disease can be treated only once it is imaged,detected and classified.This paper proposes a set of algorithms for classification of a brain tumor with better accuracy and efficiency.The proposal uses a JPEG format...Any disease can be treated only once it is imaged,detected and classified.This paper proposes a set of algorithms for classification of a brain tumor with better accuracy and efficiency.The proposal uses a JPEG format of the DICOM image fed into three stages namely pre-processing,segmentation using sub-pixel edge detection method and using the nearest neighbor methodology for the detection and differentiation of benign and malignant tumors.展开更多
文摘实时传输协议(real-time transport protocol,RTP)用于视频数据流的实时传输和质量监测。针对可伸缩编码(scalable video coding,SVC)视频数据经过差错信道后出现质量增强层数据丢失的问题,根据RTP封装报头判断丢失的质量增强层位置,采取丢弃或拷贝补偿方法实现差错隐藏。实验结果证明了差错隐藏算法的有效性和标准兼容性。
文摘Any disease can be treated only once it is imaged,detected and classified.This paper proposes a set of algorithms for classification of a brain tumor with better accuracy and efficiency.The proposal uses a JPEG format of the DICOM image fed into three stages namely pre-processing,segmentation using sub-pixel edge detection method and using the nearest neighbor methodology for the detection and differentiation of benign and malignant tumors.