Kwanghwi Kim

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People are encouraged to take more photos more easily and cost-effectively than ever due to the popularity of smart-phones equipped with a camera module. However, after taking many photos, it is a hard and tedious work to choose good quality photos from among all photos taken during travel. In addition, it requires us to organize and label by manual tagging(More)
The affordability of digital cameras, storages, processors and the advances in these areas are encouraging people to take hundreds of photos at once. However, managing the large number of photographs involves arduous tasks such as selecting good quality photos and classifying and labeling each photo. Generally, users put their photos into certain(More)
Many people use smartphones which feature cameras and large storage capacities. They have comfortable features that allow the recording of daily life and encourage them to take hundreds of photos. However, their limited screen sizes cause browsing problems with large photo set. In addition, organizing photos by manual is a hard and tediuous work. Therefore,(More)
Widespread distribution of digital cameras and the low price of memory are acclimating people to taking many more photos than before. As the number of photos to be managed grows, photo management tasks become more and more burdensome. One of the most time-consuming aspects of photo management is photo classification. A person must make many folders, group(More)
String similarity search is a fundamental problem in computer science and can be applied to various fields of information processing. Construction of an efficient indexing structure is an important challenge to improve search performance. In this paper, we propose a new effective tree structure for string similarity search under Levenshtein distance. We(More)
Shoulder-surfing is a well-known technique to steal passwords by observing authentication sessions. While researchers have proposed many shoulder-surfing resistant password schemes, there is no general model to illustrate existing schemes and to help developing new schemes. In this paper, we introduce a graph-based model that generally describes(More)
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