Ren's Lab

(i) Books edited

3. co-editor: Evolution of the Human-Computer Interaction, Nova Science Publishers, April, 2005.
2. co-editor: Frontiers in research science and technology, Chinese Science and Technology Publisher, December 2002.
1. co-editor: Proceedings of the APCHI2002 (5th Asia Pacific Conference on Computer Human Interaction), Vol.1 & Vol.2, Science Press, November, 2002.

(ii) Chapters in books

3. Ren, X., Yin, J., Zhao, S. and Li, Y. Improving Target Acquisitions through Utilizing Pen Pressure, Chapter 11 in Human-Computer Interaction, Excelence in Education and Publishing, 2008, pp.163-176.
2. Ren, X., A survey of human-computer interaction research and development, in Frontiers in research science and technology, Chinese Science and Technology Publisher, December 2002.
1. Ren, X., The minimal sizes and the quasi-optimal sizes for the input square during pen-input of characters, in Collectanea of research results of Chinese students in Japan, Science Press, 1993.

36. Tu, H. and Ren, X.  (2012). Finger chording in the air, ICIC Express Letter, Vol.6, No.6, pp.1623 - 1628. (EI).
35. Sun, M. and Ren, X.  (2011). A Comparison of Multimodal Feedback in a Tracking State, accepted by Behaviour & Information Technology. (SCI)
34. Ren, X. and Zhou, X. (2011). An Investigation of the Usability of the Stylus Pen for Various Age Groups on personal digital assistants, Behaviour & Information Technology, 1362-3001, First published on 11 August 2009. (SCI)
33. Yin, J. and Ren, X. (2011). A study of three novel line-based techniques for multi-target selection, International Journal of Innovative Computing, Information and Control (IJICIC), Vol.7, No.3, pp.1397-1411. (SCI, EI)
32. Sun, M., Ren, X. and Cao, X. (2010). Effects of Multimodal Error Feedback on Human Performance in Steering Tasks, IPSJ Journal, Vol. 51, No.12, pp.2375–2383 (Dec. 2010).
31. Wang, F. and Ren, X. (2010). A Survey of Human Computer Interaction technology for disabled, persons, International Journal of Innovative Computing, Information and Control (IJICIC), Vol.6, No.6, pp. 2459-2467. (SCI)
30. Liu, C. and Ren, X. (2010b). Fluid and natural pen interaction techniques by utilizing multiple input parameters, International Journal of Innovative Computing, Information and Control (IJICIC), Vol.6, No.5, pp. 2103-2111. (SCI, EI)
29. Xin, Y. and Ren, X. (2010). An Investigation of Adaptive Pen Pressure Discretization Method Based on Personal Pen Pressure Use Profile, IEICE Transactions on Information and Systems, Vol.E93-D, No.5, pp.1205-1213. (SCI, EI)
28. Dong, L., Zhang, H., Ren, X., and Li, Y. (2010). Classifier Learning Algorithm Based on Genetic Algorithms, International Journal of Innovative Computing, Information and Control (IJICIC), Vol.6, No.4, pp. 1973–1981. (SCI, EI)
27. Liu, C. and Ren, X. (2010a). Experimental analysis of mode switching techniques in pen-based user interfaces, International Journal of Innovative Computing, Information and Control (IJICIC), Vol.6, No.4, pp. 1983–1990. (SCI, EI)
26. Yin, J. and Ren, X. (2010b). The Empirical Study of Stroke-Based Scrolling Techniques in Pen-based Interfaces, International Journal of Innovative Computing, Information and Control (IJICIC), Vol.6, No.3(A), pp.1101-1112. (SCI, EI)
25. Yin, J. and Ren, X. (2010a). An interactive system for Chinese traditional calligraphy and painting. International Journal of Innovative Computing, Information and Control (IJICIC), Vol.6, No.2, pp.509-518. (SCI, EI)
24. Yin, J., Ren, X. and Zhai, S. (2010). Pen Pressure Control in Trajectory-based Interaction, Behaviour & Information Technology, Vol. 29, No. 2, pp.137-148. Taylor & Francis. (SCI, EI)
23. Zhou, X. and Ren, X. (2010). An Investigation of Subjective Operational Biases in Steering Tasks Evaluation, Behaviour & Information Technology, Vol. 29, No. 2, pp.125-135. Taylor & Francis. (SCI, EI)
22. Xin, Y. and Ren, X. (2009). A Study of Inherent Pen Input Modalities for Precision Parameter Manipulations during Trajectory Tasks, IEICE Transactions on Information and Systems, Vol.E92-D, No.12, pp.2454-2461.(SCI,EI)
21. Wang, F., Deng, H., Liang, B. Zheng, S. and Ren, X. (2009). A computer-assisted marking system for enhancing education equity, International Journal of Innovative Computing, Information and Control (IJICIC) , Vol.5, No. 12A, pp. 4702-4714. (SCI, EI)
20. Zhou, X. and Ren, X. (2009). Speed-accuracy Tradeoff Models in Target-based and Trajectory-based Movements, International Journal of Innovative Computing, Information and Control (IJICIC), Vol.5, No. 12A, pp. 4441-4451.(SCI,EI)
19. GZhou, X. and Ren, X. (2009). A Comparison of Pressure and Tilt Input Techniques for Cursor Control, IEICE Transactions on Information and Systems, Vol.E92-D, No.9, pp. 1683-1691. (SCI, EI)
18. Ren, X. and Zhou, X. (2009). The Optimal Size of Handwriting Character Input Boxes on PDAs, Int. J. Human-Computer Interaction, Vol.25, No.8, pp.762-784, Lawrence Erlbaum Associates. (SCI)
17. Zhang, X. and Ren, X. (2008). An effective solution for automating the layout of transactional pages, International Journal of Innovative Computing, Information and Control (IJICIC), Vol.4, No.11, pp.2899-2910. (SCI)
16. Ren, X., Zhang, X., and Kyo, K (2008). Quantifying the Learning Effect in Human Performance Models, International Journal of Innovative Computing, Information and Control (IJICIC), Vol.4, No.9, pp.2419-2429. (SCI)
15. Yin, J. and Ren, X. (2007). ZWPS and Pressure Scroll: Two Pressure-based Techniques in Pen-based Interfaces, IPSJ Journal, Vol.48, No.12, pp.3750-2761.
14. Osawa, N. and Ren, X. (2007). A Study on Approximate and Fine Adjustments by Hand Motion in an Immersive Environment, IPSJ Journal , Vol.48, No.11, pp.3568-3576.
13. Kong, J. and Ren, X. (2007). The Optimal Calculation Method to Determine the Effective Target Width for the Application of Fitts' law, IEICE Transactions on Information and Systems, Vol.E90-D, No.4, pp.753-758. (SCI, EI)
12. Kong, J., Ren, X., and Shinomori, K. (2007). Investigating the influence of colors on the performance of pointing tasks for human interface design, IEICE Transactions on Information and Systems, Vol.E90-D, No.2, pp.500-508. (SCI, EI)
11. Kong, J. and Ren, X. (2006). Calculation of Effective Target Width and its Effects on Pointing Tasks, IPSJ Journal, Vol.47, No.5, pp.1570-1572.
10. Ren, X., Kong, J. and Jiang, Q. (2005). SH-Model: A model based on both system and human effects for pointing task evaluation, IPSJ Journal, Vol.46, No.5, pp.1343-1353.
9. Zhai, S., Kong, J. and Ren. X. (2004). Speed-accuracy tradeoff in Fitts' law tasks - on the equivalency of actual and nominal pointing precision, Special Issue of International Journal of Human-Computer Studies: "Fitts' law 50 years later: applications and contributions from human-computer interaction", Co-edited by edited by Y. Guiard, M. Beaudouin-Lafon, Vol.61, No.6, Elsevier Ltd., pp.823-856. (SCI)
8. Osawa, N. and Ren, X. (2004). Virtual 3D gearbox widget technique for precise adjustment by hand motion in immersive VR, IEICE Transactions on Information and System, Vol.E87-D, No.10, pp.2408-2414. (SCI, EI)
7. Guan, Z., Ren, X., Li, Y., Dai, G. (2004). Zoom Selector: A pen-based interaction technique for small target selection, IPSJ Journal, Vol.45, No.8, pp.2087-2097.
6. Li, Y., Guan, Z., Dai, G., Ren, X., Han, Y.(2003). A Context-aware Infrastructure for Supporting Applications with Pen-based Interaction, in Journal of Computer Science and Technology (Allerton Press, Inc. New York), Vol.18, No.3, pp.343-353. (SCI, EI)
5. Mizobuchi, S., Ren, X. and Yasumura, M. (2002). An empirical study of the minimum required size and the number of targets with a pen and with a cursor key on a small display (in Japanese), special issue of IPSJ Journal: "Interaction technologies – research and practical aspects", Vol.39, No.7, pp.3733-2307.
4. Ren, X., Zhang, G., and Dai, G. (2001). The efficiency of various multimodal input interfaces evaluated in two empirical studies, in IEICE Transactions on Information and Systems, Vol. E84-D, No.10, pp.1421-1426. (EI, SCI)
3. Ren, X., Guan, Z., Dai, G., and Moriya, S. (2001). Pen-based interaction and directions of human-computer interaction, in Journal of Computer Sciences (in Chinese), Vol.28, No.4, pp.82-86.
2. Ren, X. and Moriya, S. (2000), Improving selection performance on pen-based systems: A study of pen-based interaction for selection tasks, ACM Transactions on Computer Human Interaction (ToCHI), Vol.7, No.3, pp.384-416. (ACM)
1. Chen, S., Ren, X., Kim, H., and Machi, Y. (2000), An evaluation of the physiological effects of CRT displays on computer users, IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E83-A, No.8, pp.1713-1719. (SCI, EI)

30. Soukoreff, W., Zhao, J. and Ren. X. (2011). The Entropy of a Rapid Aimed Movement: Fitts’ Index of Difficulty versus Shannon’s Entropy, to appear in Proceedings of the 13th IFIP TC13 International Conference on Human-Computer Interaction (INTERACT 2011, September 5-9, 2011, Lisbon, Portugal)  (ITSP,EI,ACM). Acceptance rate of 27.6%
29. Xin, Y., Bi, X. and Ren, X. (2011). Acquiring and Pointing: An Empirical Study of Pen Tilt-Based Interaction, Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI 2011, 7- 12 May 2011, Vancouver, Canada), ACM Press, pp. 849-858. (ITSP, ACM) Acceptance rate of 26%
28. Zhang, X., Ren, X., and Zha, H. (2010). Modeling Dwell-Based Eye Pointing Target Acquisition, Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI 2010, 10- 15 April 2010, Atlanta, GA, USA), ACM Press, pp. 2083-2092. (ITSP, EI, ACM). Acceptance rate 22%
27. Wang, F., Cao, X., Ren, X. and Irani, P. (2009). Detecting and Leveraging Finger Orientation for Interaction with Direct-Touch Surfaces, Proceedings of ACM Symposium on User Interface Software and Technology (UIST 2009, October 4- 7, 2009, Victoria, BC), ACM Press, pp.23-32. (ACM, EI) Acceptance rate 17%
26. Zhou, X., Cao, X. and Ren, X. (2009). Speed-Accuracy Tradeoff in Trajectory-Based Tasks with Temporal Constraint, Proceedings of the 12th IFIP TC13 International Conference on Human-Computer Interaction (INTERACT 2009, August 26-28, 2009, Uppsala, Sweden) , pp. 906-919. (ITSP,EI,ACM)
25. Liu, C. and Ren, X. (2009). Improving Seamless and Continuous Operations in Pen-based Systems, Proceedings of the 12th IFIP TC13 International Conference on Human-Computer Interaction (INTERACT 2009, August 26-28, 2009, Uppsala, Sweden), pp. 216-273.(ACM)
24. Wang, F. and Ren, X. (2009). Empirical Evaluation for Finger Input Properties in Multi-touch Interaction, Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI 2009, 4- 9 April 2009, Boston, USA), ACM Press, pp. 1063-1072. (ITSP, ACM) Acceptance rate 24.5%
23. Zhang, X., Ren, X., and Zha, H. (2008). Improving Eye Cursor's Stability for Eye Pointing Tasks, Proceedings of the ACM Conference on Human Factors in Computing Systems (CHI 2008, 5- 10 April 2008, Florence, Italy), ACM Press, pp.525-534. (ITSP, EI, ACM) Acceptance rate 22%
22. Ren, X., Yin, J., Zhao, S., and Li, Y. (2007). The Adaptive Hybrid Cursor: A Pressure-based Target Selection Technique for Pen-based User Interfaces, Proceedings of the eleventh IFIP TC13 International Conference on Human-Computer Interaction (INTERACT 2007, September 10-14, 2007, Rio De Janeiro, Brazil), pp.310-323. (ITSP, EI)
21. Yin, J. and Ren, X. (2007). ZWPS: A Hybrid Selection Techniques for Small Target Acquisition in Pen-based Interfaces, Proceedings of the eleventh IFIP TC13 International Conference on Human-Computer Interaction (INTERACT 2007, September 10-14, 2007, Rio De Janeiro, Brazil), pp.503-506. (EI)
20. Yin, J. and Ren, X. (2007). Investigation to Line-based Techniques for Multi-target Selection, Proceedings of the eleventh IFIP TC13 International Conference on Human-Computer Interaction (INTERACT 2007, September 10-14, 2007, Rio De Janeiro, Brazil), pp.507-510. (ITSP , EI)
19. Zhang, X., and Ren, X. (2006). CATER: A Framework for the Automated Layout of Transactional Pages, Proceedings of CIT2006 (The 6th IEEE International Conference on Computer and Information Technology, Seoul, Korea, September 20-22, 2006), 8 pages, IEEE Computer Society. (EI)
18. Yin, J. and Ren, X. (2006). The Beam Cursor: A Pen-based Technique for Enhancing Target Acquisition, Proceedings of the 20th BCS HCI Group conference in co-operation with ACM (London, England, 11-15 September, 2006), Springer, pp.119-134. (ITSP 2007, ACM)
17. Ren, X. and Tamura, K.(2004). Conversion candidate display styles for Japanese input on input efficiency, Proceedings of WEC2004 (the World Engineers Convention, Shanghai, China, November 2-6, 2004), pp.496-502. (ITSP)
16. Ren, X., Ogasawara, M., and Kato, T. (2004). The effects of pen size on human performance on hand-held devices, Proceedings of WEC2004 (the World Engineers Convention, Shanghai, China, November 2-6, 2004), pp.125-132. (ITSP)
15. Ren, X. and Kato, T. (2004). Investigating the optimal size of handwriting character input boxes: Do users prefer rectangular or square boxes? Proceedings of WEC2004 (the World Engineers Convention, Shanghai, China, November 2-6, 2004), pp.175-181. (ITSP)
14. Kong, J., Ren, X., Jiang, X., Takeda, F. (2004). Comparison of Four Input Devices for Pointing Task by Applying SH-Model, Proceedings of WEC2004 (the World Engineers Convention, Shanghai, China, November 2-6, 2004), pp.168-174. (ITSP)
13. Li, Y., Landay, J.A., Guan, Z., Ren, X., and Dai, G. (2003). Sketching Informal Presentations, in Proceedings of ICIM'2003(Fifth International Conference on Multimodal Interfaces, November 5-7, 2003, Vancouver, Canada), pp.234-241, ACM. (EI, ACM)
12. Osawa, N. and Ren, X. (2003), An Evaluation on Approximate and Fine Adjustments by Hand Motion in an Immersive Environment, in Proceedings of 9th International conference on virtual systems and multimedia 2003(VSMM2003, October 15-17, 2003, Montreal, Canada), Hybrid Reality: Art, Technology and the Human Factor (ed. Hal Thwaites), published by VSMM and 3Dmt Center, pp.322-329.
11. Ren, X., Tamura, K., Kong, J. and Zhai, S. (2003), Candidate Display Styles in Japanese Input, in Proceedings of INTERACT 2003 - Bringing the Bits together (Ninth IFIP TC13 International Conference on Human-Computer Interaction, September 1-5, 2003 - Zürich, Switzerland), pp.868-871.
10. Osawa, N. and Ren, X. (2003), Gearbox Widget for Fine Adjustments by Hand Motion, in Proceedings of Seventh Immersive Projection Technologies Workshop and Ninth Eurographics Workshop on Virtual Environments (May 22-23, 2003, Zurich, Switzerland), pp.313-314. (ACM)
9. Mizobuchi, S., Mori, K., Ren, X., and Yasumura, M. (2002), An Empirical Study of the Minimum Required Size and the Minimum Number of Targets for Pen Input on the Small Display, in Proceedings of the Fourth International Symposium on Human-Computer Interaction with Mobile Devices (Mobile HCI 2002, 18-20 September 2002, Pisa, Italy), pp.184-194. (ACM) (SCI, ITSP)
8. Li, Y., Guan, Z., Wang, H., Dai, G., Ren, X. (2002), Structuralizing Freeform Notes by Implicit Sketch Understanding, in Proceedings of 2002 AAAI (American Association for Artificial Intelligence) Spring Symposium: Sketch Understanding (March 25-27, 2002 at Stanford University in Palo Alto, California.), pp.91-98, The AAAI Press.
7. Chen, S., Ren, X., Machi, Y., and Moriya, S. (2001), Using Physiological Criteria to Improve Usability: The Physiological Evaluation LCD and CRT Effects on Users, in Human-Computer Interaction - INTERACT 2001, pp.773-774. (ACM)
6. Ren, X., Zhang, G. and Dai, G.(2000), An experimental study of input modes for multimodal human-computer interaction, in Proceedings of the 3rd International Conference on Multimodal Interfaces (ICMI 2000) , pp.49-56. (SCI)
5. Ren, X. and Moriya, S. (1999), A State Transition Model Representing Pen-based Selection Strategies, Human-Computer Interaction - INTERACT'99 (Volume II), the British Computer Society on behalf of the International Federation for Information Processing (IFIP), pp. 57-58. (ACM)
4. Ren, X. and Moriya, S. (1999), Efficient strategies for selecting small targets on pen-based systems: an evaluation experiment for selection strategies and strategy classifications, in Engineering for Human-Computer Interaction (EHCI'99, edited by Stephane Chatty and Prasun Dewan), IFIP Transactions series, Kluwer Academic Publishers, pp.19-37. (ACM)
3. Ren, X. and Moriya, S. (1998), The influence of target size, distance and direction on the design of selection strategies, in Proceedings of the HCI'98: the primary European annual conference on human-computer interaction (Sheffield Hallam University, UK, September 1-4, 1998), Springer, pp.67-82. (ACM)
2. Ren, X. (1997), The current status of HCI in Japan and China, In Proceedings of the INTERACT97: The Sixth IFIP Conference on Human-Computer Interaction (Sydney, Australia, 14-18 July, 1997) Combined workshop on "CSCW in HCI-worldwide", IFIP Working Paper Series, ISSN 1170-487X, pp. 6 -11. (ACM)
1. Ren, X. and Moriya, S. (1997), The best among six strategies for selecting a minute target and the determination of the minute maximum size of the targets on a pen-based computer, Human-Computer Interaction -- INTERACT '97, Edited by S. Howard etc., pp.85-92. (ACM)

7. Grant-in-Aid for Scientific Research by MEXT (Ministry of Education, Culture, Sports, Science and Technology) in Japan (No. 23300048)(13,650,000 JP Yen), Development of Next generation user interface through pen and touch properties, April 1, 2011 – March 31, 2014.
6. Grant-in-Aid for Scientific Research by MEXT (Ministry of Education, Culture, Sports, Science and Technology) in Japan (No.20500118)(4,500,000 JP Yen), An Investigation into the Human Capability to Control Pen Pressure, Tilt and Azimuth and Development of Pen Input Techniques, April 1, 2008 – March 31, 2011.
5. The award given by Microsoft Co., Ltd. , Microsoft Co., Ltd. (Microsoft IJARC Collaborative Research Projects) (2,000,000 JP Yen) 2007 - 2008
4. Exploratory Software Project of IPA (Information-technology promotion agency, Japan), November 2006 – September 15, 2007. (4,000,000 JP Yen)
3. CASIO Science Promotion Foundation, December 1, 2006 - November 31, 2007 (1,000,000 JP Yen)
2. Grant-in-Aid for Scientific Research by MEXT (Ministry of Education, Culture, Sports, Science and Technology) in Japan (No.14780338)(3,200,000 JP Yen), Pen-based note-taking system, April 1, 2002 – March 31, 2005.
1. Denso IT laboratory, Inc. (1,000,000 JP Yen), Human-Computer Interaction Research, October 1, 2001- March 31, 2002.

7. National Institute of Standards and Technology (NIST is an agency of the U.S. Department of Commerce) Award (July, 2010)
6. Best paper Award at FIT2009 (FIT: Forum on Information Technology) (Sept., 2009)
5. Best Student Paper Awards (Jibin Yin, Xinyong Zhang) at APCHI 2006　(from the Seventh Asia-Pacific Conference on Computer Human Interaction)
4. Best Evaluation of Faculty Award at Kochi University of Technology (November, 2005).
3. Best Paper Awards in Tokyo Denki University (1999, 2001).
2. Best Evaluation of Faculty Award at Tokyo Denki University (March, 1999).
1. Niwa Yasujiro Prize in Tokyo Denki University, 1996.