Publication statistics

Pub. period:2007-2012
Pub. count:9
Number of co-authors:20


Number of publications with 3 favourite co-authors:

Seng-Cho T. Chou:
Henry Lieberman:
Shih-yen Liu:



Productive colleagues

Pei-Yu Chi's 3 most productive colleagues in number of publications:

Henry Lieberman:64
Bjorn Hartmann:27
Hao-Hua Chu:24

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Pei-Yu Chi

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Publications by Pei-Yu Chi (bibliography)

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Chi, Pei-Yu, Ahn, Sally, Ren, Amanda, Dontcheva, Mira, Li, Wilmot and Hartmann, Bjorn (2012): MixT: automatic generation of step-by-step mixed media tutorials. In: Proceedings of the 2012 ACM Symposium on User Interface Software and Technology 2012. pp. 93-102.

Users of complex software applications often learn concepts and skills through step-by-step tutorials. Today, these tutorials are published in two dominant forms: static tutorials composed of images and text that are easy to scan, but cannot effectively describe dynamic interactions; and video tutorials that show all manipulations in detail, but are hard to navigate. We hypothesize that a mixed tutorial with static instructions and per-step videos can combine the benefits of both formats. We describe a comparative study of static, video, and mixed image manipulation tutorials with 12 participants and distill design guidelines for mixed tutorials. We present MixT, a system that automatically generates step-by-step mixed media tutorials from user demonstrations. MixT segments screencapture video into steps using logs of application commands and input events, applies video compositing techniques to focus on salient information, and highlights interactions through mouse trails. Informal evaluation suggests that automatically generated mixed media tutorials were as effective in helping users complete tasks as tutorials that were created manually.

© All rights reserved Chi et al. and/or ACM Press

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Chi, Pei-Yu and Lieberman, Henry (2011): Raconteur: integrating authored and real-time social media. In: Proceedings of ACM CHI 2011 Conference on Human Factors in Computing Systems 2011. pp. 3165-3168.

Social media enables people to share personal experiences, often through real-time media such as chat. People also record their life experiences in media collections, with photos and video. However, today's social media force a choice between real-time communication, and authoring a coherent story illustrated with digital media. There is simply not enough time in real-time communication to select and compose coherent multimedia stories. We present Raconteur, which introduces a new style of social media combining aspects of the real-time and authored styles of communication. It is structured around a text chat, augmented by an agent that continuously interprets the chat text to suggest appropriate media elements to illustrate the story. A small experiment shows that storytellers find Raconteur's suggestions helpful in presenting their experiences, and audiences find the interaction engaging.

© All rights reserved Chi and Lieberman and/or their publisher

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Chi, Pei-Yu and Lieberman, Henry (2010): Raconteur: from intent to stories. In: Proceedings of the 2010 International Conference on Intelligent User Interfaces 2010. pp. 301-304.

When editing a story from a large collection of media, such as photos and video clips captured from daily life, it is not always easy to understand how particular scenes fit into the intent for the overall story. Especially for novice editors, there is often a lack of coherent connections between scenes, making it difficult for the viewers to follow the story. In this paper, we present Raconteur, a story editing system that helps users assemble coherent stories from media elements, each annotated with a sentence or two in unrestricted natural language. It uses a Commonsense knowledge base, and the AnalogySpace Commonsense reasoning technique. Raconteur focuses on finding story analogies -- different elements illustrating the same overall "point", or independent stories exhibiting similar narrative structures.

© All rights reserved Chi and Lieberman and/or their publisher

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Chi, Pei-Yu, Xiao, Xiao, Chung, Keywon and Chiu, Carnaven (2009): Burn your memory away: one-time use video capture and storage device to encourage memory appreciation. In: Proceedings of ACM CHI 2009 Conference on Human Factors in Computing Systems 2009. pp. 2397-2406.

Although modern ease of access to technology enables many of us to obsessively document our lives, much of the captured digital content is often disregarded and forgotten on storage devices, with no concerns of cost or decay. Can we design technology that helps people better appreciate captured memories? What would people do if they only had one more chance to relive past memories? In this paper, we present a prototype design, PY-ROM, a matchstick-like video recording and storage device that burns itself away after being used. This encourages designers to consider lifecycles and human-computer relationships by integrating physical properties into digitally augmenting everyday objects.

© All rights reserved Chi et al. and/or ACM Press

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Lo, Jin-Ling, Chi, Pei-Yu, Chu, Hao-Hua, Wang, Hsin-Yen and Chou, Seng-Cho T. (2009): Pervasive Computing in Play-Based Occupational Therapy for Children. In IEEE Pervasive Computing, 8 (3) pp. 66-73.

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Chang, Yu-Chen, Lo, Jin-Ling, Huang, Chao-Ju, Hsu, Nan-Yi, Chu, Hao-Hua, Wang, Hsin-Yen, Chi, Pei-Yu and Hsieh, Ya-Lin (2008): Playful toothbrush: ubicomp technology for teaching tooth brushing to kindergarten children. In: Proceedings of ACM CHI 2008 Conference on Human Factors in Computing Systems April 5-10, 2008. pp. 363-372.

This case study in UbiComp technology and design presents a "Playful Toothbrush" system for assisting parents and teachers to motivate kindergarten children to learn proper and thorough brushing skills. The system includes a vision-based motion tracker that recognizes different tooth brushing strokes and a tooth brushing game in which the child cleans a virtual, mirror picture of his/her dirty teeth by physically brushing his/her own teeth. The user study results suggest that Playful Toothbrush enhances the effectiveness of kindergarten children in brushing their teeth, as measured by number of brushing strokes, duration of brushing and thoroughness of teeth cleaning.

© All rights reserved Chang et al. and/or ACM Press

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Chi, Pei-Yu, Chen, Jen-Hao, Chu, Hao-Hua and Lo, Jin-Ling (2008): Enabling Calorie-Aware Cooking in a Smart Kitchen. In: Oinas-Kukkonen, Harri, Hasle, Per F. V., Harjumaa, Marja, Segersthl, Katarina and Oehrstroem, Peter (eds.) PERSUASIVE 2008 - Persuasive Technology, Third International Conference June 4-6, 2008, Oulu, Finland. pp. 116-127.

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Chi, Pei-Yu, Chen, Jen-Hao, Chu, Hao-Hua and Chen, Bing-Yu (2007): Enabling nutrition-aware cooking in a smart kitchen. In: CHI April 28 - May 03, 2007, San Jose, CA, USA. pp. 2333-2338.

We present a smart kitchen that can enhance the traditional meal preparation and cooking process by raising awareness of the nutrition facts in food ingredients that go into a meal. The goal is to promote healthy cooking. Our smart kitchen is augmented with sensors to detect cooking activities and provides digital feedbacks to users about nutritional information on the used food ingredients. We have created a preliminary prototype for evaluation, and the result is promising.

© All rights reserved Chi et al. and/or ACM Press, New York, NY

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Chi, Pei-Yu, Chen, Jen-Hao, Liu, Shih-yen and Chu, Hao-Hua (2007): Designing Smart Living Objects - Enhancing vs. Distracting Traditional Human-Object Interaction. In: Jacko, Julie A. (ed.) HCI International 2007 - 12th International Conference - Part II July 22-27, 2007, Beijing, China. pp. 788-797.

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