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Image Analysis

Image-processing-method

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Image processing method

Details

Inventors: Ariyoshi, Shunji; Tsujimoto, Shuichi;
Assignee: Kabushiki Kaisha Toshiba (Kanagawa, JP)
Primary Examiner: Chin; Tommy P.
Assistant Examiner: Vu; Kim Yen
Attorney, Agent or Firm: Finnegan, Henderson, Farabow, Garrett and Dunner

An image processing method which includes a step for obtaining projections formed on coordinate axes having a predetermined inclination with respect to the coordinate axes of the horizontal and vertical directions. The projections are obtained run by run from image data coded in run length representation. The method also includes a step for adding the respective run-by-run projections through the entire image so as to obtain the projections of image data on the inclined coordinate axes. This method enables the image data to be processed without decoding. Further, the method allows a significant reduction in the amount of processing and also allows high-speed processing.

DETAILED DESCRIPTION Accordingly, one object of the present invention is to provide an image processing method in which the amount of processing is significantly reduced, so as to calculate image projections at a high-speed.
Further, when proper software is used instead of depending on excessive hardware, significantly higher-speed processing can be obtained.
In particular, image ddata coded by run length representation can be processed without the need for decoding.
Briefly, in accordance with one aspect of this invention, there is provided an image processing method that comprises a step of obtaining projections formed on two coordinate axes having a predetermined inclination with respect to the horizontal and vertical directions in such a manner that the projections are obtained run by run from image data coded in a run length representation.
The method also comprises a step of adding the respective run-by-run projections to the entire run-by-run based image data so as to obtain the projections of image data on the inclined coordinate axes.

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