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Title: Purposive hidden-object-game: Embedding human computation in popular game
Authors: Ni, Y. 
Dong, J.
Feng, J.
Yan, S. 
Keywords: Gwap
Hidden object game
Human computing
Issue Date: 2011
Citation: Ni, Y.,Dong, J.,Feng, J.,Yan, S. (2011). Purposive hidden-object-game: Embedding human computation in popular game. MM'11 - Proceedings of the 2011 ACM Multimedia Conference and Co-Located Workshops : 1121-1124. ScholarBank@NUS Repository.
Abstract: Having sufficient training images with known locations of objects is critical for modern image annotation, image retrieval, and object detection tasks. However, it is typically extremely labor-intensive to collect such data, as the process usually involves tedious manual-cropping and hand-labeling. In this work, following the principle of games with a purpose (GWAP), we design a so-called purposive hidden-object-game (P-HOG), which seamlessly embeds object localization into the enjoyable HOG gaming process. As indicated by its large number of online players and downloads, HOG is very popular and P-HOG thus possesses great potentials in aggregating massive informative annotations. For each gaming image, besides identifying the known hidden objects inserted automatically towards semantic and visual naturalness, players also imperceptibly locate the spatial positions of the unknown objects, which are indicated by the refined user-provided tags from or other photo sharing websites. We conduct a pilot study of the game prototype and the comprehensive experiments show that the P-HOG appeals to general players, and is effective for collecting massive object locations with satisfying accuracy. Copyright 2011 ACM.
Source Title: MM'11 - Proceedings of the 2011 ACM Multimedia Conference and Co-Located Workshops
ISBN: 9781450306164
DOI: 10.1145/2072298.2071953
Appears in Collections:Staff Publications

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