The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 07, 2001
Filed:
Oct. 06, 1997
Jonathan Hui, Fremont, CA (US);
Chris See Liang Yeo, Redwood City, CA (US);
Joe Zheng, Saratoga, CA (US);
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A system to provide an application programming interface (API) to a client application for manipulating FlashPix-formatted files, the API having functions including 1) system management functions to initialize the client application, to indicate that API functions will be called, and to indicate that no further API functions will be called, 2) file management functions to create a new FlashPix storage, to open the FlashPix storage, to read FlashPix image data from the storage to write FlashPix image data to the storage, and to close the storage, and 3) image processing functions to adjust color, to adjust contrast, to perform filtering operations, to rotate, flip and shear, to define a rectangle of interest, and to define aspect ratio. One file management function to read FlashPix image data from the storage include a function to create a world, to place an image in the world, to define a region of interest within the placed image, and to extract data located within the region of interest.