Apparatus for outputting textual renditions of graphical data and method therefor
First Claim
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1. A method for presenting graphical data to a user, comprising the steps of:
- analyzing a set of graphical data to determine a set of critical factors present in the graphical data;
ranking the determined critical factors according to respective priorities set for each of the critical factors; and
generating a textual description of the set of graphical data, ordered according to the priority of the respective critical factor.
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Abstract
A system and method for providing a textual rendition of graphical information incorporated in web pages is provided. The textual rendition may be output in a format accessible to those users with visual impairments for whom graphical representation of data cannot be perceived. For example, the textual rendition may be output in audio form. Alternatively, a tactile format may be used in conjunction with a Braille display, for example. The textual rendition is generated in response to an image analysis of the graphical information from which salient features of the graphical information may be extracted.
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Citations
21 Claims
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1. A method for presenting graphical data to a user, comprising the steps of:
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analyzing a set of graphical data to determine a set of critical factors present in the graphical data;
ranking the determined critical factors according to respective priorities set for each of the critical factors; and
generating a textual description of the set of graphical data, ordered according to the priority of the respective critical factor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 16, 17)
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8. A computer program product embodied in a tangible storage medium, the program product for presenting graphical data, the program product including a program of instructions for performing the steps of:
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analyzing a set of graphical data to determine a set of critical factors present in the graphical data;
ranking the determined critical factors according to respective priorities set for each of the critical factors; and
generating a textual description of the set of graphical data, ordered according to the priority of the respective critical factor. - View Dependent Claims (9, 10, 11, 12, 13, 14, 18, 19, 20, 21)
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15. A data processing system comprising:
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circuitry operable for analyzing a set of graphical data to determine a set of critical factors present in the graphical data;
circuitry operable for ranking the determined critical factors according to respective priorities set for each of the critical factors; and
circuitry operable for generating a textual description of the set of graphical data, ordered according to the priority of the respective critical factor.
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Specification