Search Results - "Kwon, Sunghyuk"

The effect of touch-key size on the usability of In-Vehicle Information Systems and driving safety during simulated driving by Kim, Heejin, Kwon, Sunghyuk, Heo, Jiyoon, Lee, Hojin, Chung, Min K.

“…Investigating the effect of touch-key size on usability of In-Vehicle Information Systems (IVISs) is one of the most important research issues since it is…”
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Towards successful user interaction with systems: Focusing on user-derived gestures for smart home systems by Choi, Eunjung, Kwon, Sunghyuk, Lee, Donghun, Lee, Hogin, Chung, Min K.

“…Various studies that derived gesture commands from users have used the frequency ratio to select popular gestures among the users. However, the users select…”
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Effect of key size and activation area on the performance of a regional error correction method in a touch-screen QWERTY keyboard by Kwon, Sunghyuk, Lee, Donghun, Chung, Min K.

“…Manual text entry, which is one of the main features of mobile communications devices, decreases the competitive advantages of full touch-screen interfaces…”
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Effects of ramp slope, ramp height and users' pushing force on performance, muscular activity and subjective ratings during wheelchair driving on a ramp by Kim, Chung Sik, Lee, Donghun, Kwon, Sunghyuk, Chung, Min K.

“…We set and examined two hypotheses about effects of ramp slope (1:6, 1:8, 1:10, 1:12, and 1:14) by varying ramp height (0.15 m, 0.30 m, and 0.45 m) and pushing…”
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Effects of user age and target-expansion methods on target-acquisition tasks using a mouse by Lee, Donghun, Kwon, Sunghyuk, Chung, Min K.

“…Target expansion, i.e., the increase of target size according to cursor movement, can be a practical scheme to improve the usability of target-selection tasks…”
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Effect of control-to-display gain and movement direction of information spaces on the usability of navigation on small touch-screen interfaces using tap-n-drag by Kwon, Sunghyuk, Choi, Eunjung, Chung, Min K.

“…Tap-n-drag is a popular navigation method for small touch-screen interfaces. When an information space is too large compared to the touch-screen size,…”
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UFO-Zoom: A new coupled map navigation technique using hand trajectories in the air by Kang, Bora, Choi, Eunjung, Kwon, Sunghyuk, Chung, Min K.

“…This study proposed a new map navigation technique ‘UFO-Zoom’ that uses trajectories of the finger in the air. UFO-Zoom was developed to provide users complete…”
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Two-mode target selection: Considering target layouts in small touch screen devices by Kwon, Sunghyuk, Kim, Chungsik, Kim, Sujin, Han, Sung H.

“…A variety of studies have been conducted to improve methods of selecting a tiny virtual target on small touch screen interfaces of handheld devices such as…”
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Can User-Derived Gesture be Considered as the Best Gesture for a Command?: Focusing on the Commands for Smart Home System by Choi, Eunjung, Kwon, Sunghyuk, Lee, Donghun, Lee, Hojin, Chung, Min K.

“…With advanced technologies of gesture recognition, various researchers have started to focus on deriving intuitive gestures for commands from users. Most of…”
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Effects of Ramp Slope and Height on Usability and Physiology during Wheelchair Driving by Kim, Chung Sik, Lee, Donghun, Lee, Jeehea, Kwon, Sunghyuk, Chung, Min K.

“…A ramp is the basic type of an assisting device for wheelchair users. Although the height of a ramp is an important design element, it has not been considered…”
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