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Yao-Jen Chang

Journal Papers:

  • Yao-Jen Chang and Yung-Chang Chen, "Facial Model Adaptation from a Monocular Image Sequence Using a Textured Polygonal Model," Signal Processing: Image Communication, Vol. 17, No. 5, pp. 373-392, May 2002.

  • Chia-Wen Lin, Yao-Jen Chang, Chih-Ming Wang, Yung-Chang Chen, and Ming-Ting Sun, "A Standard Compliant Virtual Meeting System with Active Video Object Tracking," Eurasip Journal on Applied Signal Processing, Vol. 2002, No. 6, pp. 622-634, June 2002.

  • Chia-Wen Lin, Yao-Jen Chang, and Yung-Chang Chen, "A Low-Complexity Face Detection Scheme for Low Bit-Rate Video Telephony," IEICE Transactions on Information and Systems, Vol. E86-D, No.1, pp.101-108, Jan. 2003.  

Conference Papers:

  • Yao-Jen Chang and Tsuhan Chen, "Multi-View 3D Reconstruction for Scenes under the Refractive Plane with Known Vertical Direction," accepted by 2011 International Conference on Computer Vision (ICCV-2011), Barcelona, Spain, Nov. 6-13, 2011.

  • Yao-Jen Chang and Tsuhan Chen, "Semi-supervised Learning with Kernel Locality-constrained Linear Coding," accepted by 2011 International Conference on Image Processing (ICIP-2011), Brussels, Belgium, Sept. 11-14, 2011.

  • Adarsh Kowdle, Yao-Jen Chang, Dhruv Batra, and Tsuhan Chen, "Scribble Based Interactive 3D Reconstruction via Scene Co-segmentation," accepted by 2011 International Conference on Image Processing (ICIP-2011), Brussels, Belgium, Sept. 11-14, 2011.

  • Zhaoyin Jia, Yao-Jen Chang, and Tsuhan Chen, "Dense Interpolation of 3D Points Based on Surface and Color,"accepted by 2011 International Conference on Image Processing (ICIP-2011), Brussels, Belgium, Sept. 11-14, 2011.

  • Adarsh Kowdle, Yao-Jen Chang, Andrew Gallagher and Tsuhan Chen. "Active Learning for Piecewise Planar 3D Reconstruction", accepted by 2011 International Conference on Computer Vision and Pattern Recognition (CVPR-2011), Colorado Springs, USA, June 21-23, 2011. (Oral) (pdf | slides | Project page)

  • Yao-Jen Chang, Hung-Hsun Liu, and Tsuhan Chen, "Improving Subpixel Stereo Matching with Segment Evolution," 2010 International Conference on Image Processing (ICIP-2010), Hong Kong, Sept. 26-29, 2010.

  • Wei Yu, Ahmed Bilal Ashraf, Yao-Jen Chang, and Tsuhan Chen, "3D Augmented Markov Random Field for Object Recognition," 2010 International Conference on Image Processing (ICIP-2010), Hong Kong, Sept. 26-29, 2010.

  • Wei Yu, Franz Franchetti, Yao-Jen Chang, and Tsuhan Chen, "Fast and Robust Active Contours for Image Segmentation," 2010 International Conference on Image Processing (ICIP-2010), Hong Kong, Sept. 26-29, 2010.

  • Wei Yu, Franz Franchetti, James C. Hoe, Yao-Jen Chang, and Tsuhan Chen, "Fast Bilateral Filtering by Adapting Block Size," 2010 International Conference on Image Processing (ICIP-2010), Hong Kong, Sept. 26-29, 2010.

  • Zhaoyin Jia, Yao-Jen Chang, and Tsuhan Chen, "A General Boosting-based Framework for Active Object Recognition," 2010 British Machine Vision Conference (BMVC-2010), Aberystwyth, United Kingdom, Aug. 31-Sept. 3, 2010.

  • Yao-Jen Chang, Keisuke Kamataki, and Tsuhan Chen, "Mean Shift Feature Space Warping for Relevance Feedback," 2009 International Conference on Image Processing (ICIP-2009), Cairo, Egypt, Nov. 7-11, 2009.

  • Zhaoyin Jia, Yao-Jen Chang, and Tsuhan Chen, "Active View Selection for Object and Pose Recognition," Workshop on 3D Representation for Recognition (3dRR-09), in conjunction with the 2009 International Conference on Computer Vision (ICCV-2009), Kyoto, Japan, Sept. 27-Oct. 4, 2009.

  • Ching-Chun Huang, Sheng-Jyh Wang, Yao-Jen Chang, and Tsuhan Chen, " A Bayesian Hierarchical Detection Framework for Parking Space Detection," Proceedings of  2008 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP-2008), Las Vegas, NV, USA, Mar. 30-Apr. 4, 2008.

  • Ming-Yu Shih, Yao-Jen Chang, Bwo-Chau Fu, and Ching-Chun Huang, "Motion-based Background Modeling for Moving Object Detection on Moving Platforms," Proceedings of 2007 First International Workshop on Multimedia Analysis and Processing (IMAP-2007), in conjunction with the 16th International Conference on Computer Communications and Networking (ICCCN-2007), Honolulu, Hawaii, USA, Aug. 15-16, 2007.

  • Ke-Zhao Chen, Yao-Jen Chang, and Chia-Wen Lin "Video-based Authentication Using Appearance Models and HMMs," Proceedings of IEEE International Symposium of Circuits and Systems(ISCAS-2006), Island of Kos, Greece, May 21-24, 2006.

  • Yao-Jen Chang and Tony Ezzat, "Transferable Videorealistic Speech Animation," Proceedings of ACM SIGGRAPH/Eurographics Symposium on  Computer Animation (SCA'05), Los Angeles, CA, USA, July 29-31, 2005. (Abstract, PDF, and Video)

  • Wende Zhang, Yao-Jen Chang, Tsuhan Chen, "Optimal Thresholding for Key Generation based on Biometrics," Proceedings of 2004 IEEE International Conference on Image Processing (ICIP-2004), Vol. 5, pp. 3451-3454, Singapore, Oct. 24-27, 2004.

  • Yao-Jen Chang, Wende Zhang, Tsuhan Chen, "Biometrics-based Cryptographic Key Generation," Proceedings of  2004 IEEE International Conference on Multimedia and Expo (ICME-2004), Vol. 3, pp. 2203-2206, Taipei, Taiwan, June 27-30, 2004. 

  • Pei-Wei Hsu, Yao-Jen Chang, Chao-Kuei Hsieh, and Yung-Chang Chen, "Facial Expression Cloning: Using Expressive Ratio Image and FAP to Texture Conversion",  Proceedings of 2003 IEEE Pacific-Rim Conf. on Multimedia (ICICS-PCM2003), Singapore, Dec. 15-18, 2003.

  • Yao-Jen Chang, Chao-Kuei Hsieh, Pei-Wei Hsu, and Yung-Chang Chen, "Speech-Assisted Facial Expression Analysis and Synthesis for Virtual Conferencing Systems",  Proceedings of 2003 IEEE International Conference on Multimedia and Expo (ICME-2003), Vol. 3, pp. 529-532, Bultimore, MD, USA, July 6-9, 2003.

  • Chien-Chia Chien, Yao-Jen Chang, and Y.C. Chen, "Facial Expression Analysis Under Various Head Poses," Proceedings of 3rd IEEE Pacific-Rim Conf. on Multimedia (PCM-2002), Hsinchu, Taiwan, Dec. 16-18, 2002. 

  • Chia-Wen Lin, Chih-Ming Wang, Yao-Jen Chang, and Yung-Chang Chen, “Realtime Object Extraction and Tracking using an Active Camera with Image Mosaics,” Proceedings of IEEE Int. Workshop on Multimedia Signal Processing (MMSP-2002), pp. 149-152, Virgin Islands, USA, Dec. 9-11, 2002.

  • Yao-Jen Chang, Chien-Chia Chien, and Yung-Chang Chen, "Video Realistic Avatar for Virtual Face-to-Face Conferencing," Proceedings of  2002 IEEE International Conference on Multimedia and Expo (ICME-2002), Vol. 2, pp. 1-4, Lausanne, Switzerland, Aug. 26-29, 2002.

  • Yao-Jen Chang and Yung-Chang Chen, "Development of a Video Realistic Virtual Conferencing System," Proceedings of 2001 International Symposium on Communications (ISCOM-01), Tainan, Taiwan, Nov. 13-16, 2001.

  • Yao-Jen Chang and Yung-Chang Chen, "Robust Head Pose Estimation Using Textured Polygonal Model with Local Correlation Measure," Proceedings of the Second IEEE Pacific-Rim Conference on Multimedia (PCM-2001), pp. 245-252, Beijing, China, Oct. 24-26, 2001.

  • Yao-Jen Chang and Yung-Chang Chen, "Textured Polygonal Model Assisted Facial Model Estimation from Image Sequence," Proceedings of 2001 IEEE International Conference on Image Processing (ICIP-2001), Vol. 3, pp. 106-109, Thessaloniki, Greece, Oct. 7-10, 2001. 

  • Chia-Wen Lin, Yao-Jen Chang, Yung-Chang Chen, and Ming-Ting Sun, "Implementation of a Real-time Object-Based Virtual Meeting System," Proceedings of 2001 IEEE International Conference on Multimedia and Expo (ICME-2001), pp. 565-568, Tokyo, Japan, Aug. 22-25, 2001.

  • Jen-Chung Chou, Yao-Jen Chang, and Yung-Chang Chen, "Facial Feature Point Tracking and Expression Analysis for Virtual Conferencing Systems," Proceedings of 2001 IEEE International Conference on Multimedia and Expo (ICME-2001), pp.415-418, Tokyo Japan, Aug. 22-25, 2001.

  • Yao-Jen Chang, Chih-Chung Chen, Jen-Chung Chou, and Yung-Chang Chen, "Development of a Multi-user Virtual Conference System Using a Layered Audio-Visual Integration," Proceedings of the First IEEE Pacific-Rim Conference on Multimedia (PCM-2000), pp.50-53, University of Sydney, Australia, Dec. 13-15, 2000.

  • Chia-Wen Lin, Yao-Jen Chang, and Yung-Chang Chen, "Low-complexity Face-assisted Video Coding," Proceedings of 2000 IEEE International Conference on Image Processing (ICIP-2000), Vol. 2, pp.207-210, Vancouver, British Columbia, Canada, Sept. 10-13, 2000. 

  • Yao-Jen Chang, Chih-Chung Chen, Jen-Chung Chou, and Yung-Chang Chen, "Virtual Talk: A Model-Based Virtual Phone Using a Layered Audio-Visual Integration," Proceedings of 2000 IEEE International Conference on Multimedia and Expo (ICME-2000), pp. 415-418, New York City, NY, USA, July 30 - Aug. 2, 2000.

  • Yao-Jen Chang, Chih-Chung Chen, Jen-Chung Chou, and Yung-Chang Chen, "Implementation of a Virtual Chat Room for Multimedia Communications," Proceedings of IEEE Signal Processing Society 1999 Workshop on Multimedia Signal Processing (MMSP99), pp. 599-604, Copenhagen, Denmark, Sept.13-15, 1999.

  • Chia-Wen Lin, Yao-Jen Chang, Eryin Fei, and Yung-Chang Chen, "Efficient Video Coding with R-D Constrained Quadtree Segmentation," Proceedings of Picture Coding Symposium (PCS99), pp. 57-60, Portland, Oregon, April 21-23, 1999. 

  • Chia-Wen Lin, Yao-Jen Chang, and Yung-Chang Chen, "Hierarchical Motion Estimation Algorithm Based on Pyramidal Successive Elimination," Proceedings of International Computer Symposium (ICS98), Workshop on Image Processing and Character Recognition, pp. 41-44, Tainan, Taiwan, Dec. 17-19, 1998. 

  • Yao-Jen Chang, Yun-Chin Li, and Yung-Chang Chen, "An MPEG-4 SNHC Compatible Implementation of a Virtual Chat Room," Proceedings of IEEE ISCE98, pp.WAA2-17~20, Taipei, Taiwan, Oct. 19-21, 1998.

Patents:

  • Ching-Chun Huang and Yao-Jen Chang, "Method and System for Object Detection and Tracking," (filed in Oct. 2007), ROC patent pending, US patent #7929730 (filed in Dec. 2007; awarded in Apr. 2011).

  • Ching-Chun Huang, Yao-Jen Chang, Ruei-Cheng Wu, and Cheng-Peng Kuan, "System and Method of Image-based Space Detection," (filed in Sept. 2007), ROC and US patent pending.

  • Yao-Jen Chang, "Learning and Assessment Method and Device using a Virtual Tutor," ROC patent #I286717 (filed in Aug. 2006; awarded in Sept. 2007), US patent pending.

  • Yao-Jen Chang, Wende Zhang, and Tsuhan Chen, "Biometrics-based Cryptographic Key Generation System and Method," ROC patent #I249314 (filed in Oct. 2004; awarded in Feb. 2006), US patent #7804956 (filed in Mar. 2005; awarded in Sept. 2010).

  • Chia-Wen Lin, Yao-Jen Chang, and Yung-Chang Chen, "Face Assisted Video Coding and Video Transcoding," ROC patent #178082 (filed in Aug. 2001; awarded in May 2003).

  • Yao-Jen Chang, Chia-Wen Lin, and Yung-Chang Chen, "Automatic Face Detector and Tracker in Color Video Sequences," ROC patent #127588. (filed in Jun. 1999; awarded in Feb. 2001).

 

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