[1] Nissen S E，Yock P. Intravascular ultrasound：novel pathophysiological insights and current clinical application [J]. Circulation(S0009-7322)，2001，103：604-616.

[2] Ciompi F，Pujol O，Balocco S，et al. Automatic key frames detection in intravascular ultrasound sequences [C]// Proceedings of MICCAI Workshop in Computing and Visualization for (Intra) Vascular Imaging (CVII)，Houston，USA，2011：78-94.

[3] Pujol O，Rotger D，Radeva P，et al. Near real-time plaque segmentation of IVUS [C]// Proceedings of International Conference on Computers in Cardiology，Barcelona，Spain，Sept 21-24，2003：69-72.

[4] Pujol O，Radeva P，Vitria J，et al. Adaboost to classify plaque appearance in IVUS images [C]// Proceedings of 9th Iberoamerican Congress on Pattern Recognition，Image Analysis and Applications，Puebla，Mexico，Oct 26-29，2004： 629-636.

[5] Roodaki A，Taki A，Setarehdan S K，et al. Modified wavelet transform features for characterizing different plaque types in IVUS images; a feasibility study [C]// Proceedings of 9th International Conference on Signal Processing，Beijing，China， Oct 26-29，2008：789-792.

[6] Taki A，Roodaki A，Pauly O，et al. A new method for characterization of coronary plaque composition via IVUS images [C]// Proceedings of 9th IEEE International Symposium on Biomedical Imaging，Boston，USA，June 28-July 1，2009：787-790.

[7] SUN Zheng，YANG Yu. 3D Segmentation of IVUS Image Sequence Based on Snake Model [J]. Journal of Engineering Graphics，2011，22(6)：25-32.

[8] Lin J，Keogh E，Lonardi S，et al. A symbolic representation of time series，with implications for streaming algorithms [C]// Proceedings of the 8th ACM SIGMOD Workshop on Research Issues in Data Mining and Knowledge Discovery，New York，America，2003：2-11.

[9] LI Guiling，WANG Yuanzhen. Research on similarity measure for time series based on SAX [J]. Application Research of Computers，2012，29(3)：893-896.

[10] SUN Zheng，YAN Qi. An off-line gating method for suppressing motion artifacts in ICUS sequence [J]. Computers in Biology and Medicine(S0010-4825)，2010，40(11)：860-868.

[11] SHA Rui. A study of image similarity based on multi-features [D]. Nanjing：Nanjing University，2011：16-20.

[12] LI Quandong，CHEN Shuyue，ZHANG Wei. Improved algorithm for key frame extraction based on unsupervised clustering [J]. Journal of Applied Optics，2010，31(5)：741-744.

[13] WANG Qiwei. Study on image histogram feature and application [D]. Hefei：University of Science and Technology of China， 2014：64-69.

[14] QU Zhong，GAO Tengfei，ZHANG Qingqing. Study on an improved algorithm of video keyframe extraction [J]. Computer Science，2012，39(8)：300-303.