Pick-and-drop: a direct manipulation technique for multiple computer environments
Proceedings of the 10th annual ACM symposium on User interface software and technology
Toss-it: intuitive information transfer techniques for mobile devices
CHI '05 Extended Abstracts on Human Factors in Computing Systems
Shake well before use: authentication based on accelerometer data
PERVASIVE'07 Proceedings of the 5th international conference on Pervasive computing
Biometric-rich gestures: a novel approach to authentication on multi-touch devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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When we use a combination of personal computing devices, such as mobile phones, tablets, notebooks, and desktop PCs, we often want to transfer information from one device to another.Though a copy-and-paste function on the same computing device is easy it becomes cumbersome in a multiple computing environment, where we have to first locate and then select the target device from a list of devices on a network, even if the device is right in front of us.This paper proposes a novel direct manipulation technique for executing copy-and-paste operations between multi-touch devices. Under our interface concept, dubbed "Memory Stones," a user can "pick up" a data object displayed on one device screen, "carry" it to another device screen, and "put down" the object on that device using only his or her fingers.During this copy-and-paste operation, the user is invited to pantomime the act of carrying a tangible object (the "stone") and to keep his or her fingertip positions unchanged. The system identifies the source and target devices by matching the shape of the polygon formed by the fingertips when touching the respective screens. We have developed a prototype system for small-to-large-sized multi-touch computers including smartphones, tablets, notebooks, and desktop PCs, and have carried out a preliminary evaluation of its feasibility.