Patent ID: 6271929
Filing Date: 2001-08-07
Classification: G06T,H04N

Abstract:
A method for rotating an image using a volatile memory and temporary files, the method comprising the steps of:inputting an image;dividing the input image into portions;loading a divided portion of the input image into the volatile memory;rotating the loaded divided portion of the input image;outputting the rotated divided portion of the input image into a corresponding temporary file, wherein said temporary file is located on a memory storage other than the volatile memory;repeating the loading, rotating and outputting steps performed on the divided portions of the input image until all divided portions of the input image have been processed;dividing the temporary files into portions;loading one divided portion from each temporary file into the volatile memory;assembling the loaded divided portions of the temporary files;outputting the assembled divided portions of the temporary files to a destination image; andrepeating the loading, assembling and outputting steps performed on the divided portions of the temporary files until all divided portions of the temporary files have been processed.