Saturday, November 24, 2012

Find: Good idea - iRotate grasp: automatic screen rotation based on grasp of mobile devices

Though maybe not the best implementation. 

iRotate grasp: automatic screen rotation based on grasp of mobile devices

Lung-Pan Cheng, Fang-I Hsiao, Yen-Ting Liu, Mike Y. Chen

Automatic screen rotation improves viewing experience and usability of mobile devices, but current gravity-based approaches do not support postures such as lying on one side, and manual rotation switches require explicit user input. iRotate Grasp automatically rotates screens of mobile devices to match users' viewing orientations based on how users are grasping the devices. Our insight is that users' grasps are consistent for each orientation, but significantly differ between different orientations. Our prototype embeds a total of 32 light sensors along the four sides and the back of an iPod Touch, and uses support vector machine (SVM) to recognize grasps at 25Hz.

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