METHOD AND SYSTEM FOR TOUCH SHAPE RECOGNITION, RELATED SCREEN APPARATUS, AND COMPUTER PROGRAM PRODUCT
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Abstract
An embodiment of a method of recognizing finger detection data in a detection data map produced by a touch screen includes converting the data from the x, y, z space into a three-descriptor space including: a first coordinate representative of the number of intensity peaks in the map, a second coordinate representative of the number of nodes (i.e., pixels) absorbed under one or more of the intensity peaks. A third coordinate may be selected as the angular coefficient or slope of a piecewise-linear approximating function passing through points having the numbers of nodes absorbed under the intensity peaks ordered in decreasing order over said intensity peaks, which permits singling out finger data with respect to non-finger data over the whole of the touch screen. The third coordinate may be also selected as an adjacency value representative of the extent the intensity peaks are adjacent to one another, which permits singling out finger data produced over a portion of the touch screen with respect to non-finger data produced over another portion of the touch screen.
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Citations
41 Claims
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1-15. -15. (canceled)
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16. An apparatus, comprising:
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a converter configured to convert data from a first domain to a second domain, the data representing an interaction between at least one object and a touch device; and an object detector configured to identify the at least one object in response to the data in the second domain. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A system, comprising:
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a touch device configured to interact with at least one object and to generate, in a first space, data that represents the interaction; and an apparatus coupled to the touch device and including a converter configured to convert the data from the first space to a second space, and an object detector configured to identify the at least one object in response to the converted data. - View Dependent Claims (28, 29, 30)
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31. A method, comprising:
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transforming, from a domain to another domain, data representing an interaction between at least one object and a touch device; and identifying the at least one object in response to the transformed data. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A tangible computer-readable medium storing instructions that, when executed by at least one computing apparatus, cause the at least one computing apparatus, or at least one other apparatus under the control of the at least one computing apparatus:
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to transform, from a domain to another domain, data representing an interaction between at least one object and a touch device; and to identify the at least one object in response to the transformed data.
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Specification