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    • 7. 发明授权
    • Peripheral pixel noise reduction
    • 外围像素降噪
    • US07643010B2
    • 2010-01-05
    • US11619517
    • 2007-01-03
    • Wayne C. WestermanSteve Hotelling
    • Wayne C. WestermanSteve Hotelling
    • G06F3/041
    • G06K9/00375G06F3/0418G06K9/40
    • Techniques for identifying and discriminating between different input patterns to a multi-touch touch-screen device are described. By way of example, large objects hovering a short distance from the touch-surface (e.g., a cheek, thigh or chest) may be identified and distinguished from physical contacts to the surface. In addition, rough contacts due to, for example, ears and earlobes, may be similarly identified and distinguished from contacts due to fingers, thumbs, palms and finger clasps. In one implementation, a unique technique to reduce the noise in segmented image peripheral pixels.
    • 描述了用于识别和区分不同输入图案与多点触摸触摸屏设备的技术。 作为示例,可以识别从触摸表面(例如,脸颊,大腿或胸部)移动短距离的大对象,并将其与物理接触区分开到表面。 此外,由于耳朵和耳垂引起的粗糙接触可能被类似地识别,并且与手指,拇指,手掌和手指扣的接触不同。 在一个实现中,一种独特的技术来减少分割图像周围像素中的噪声。