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US 2004/0201863 A1Published application
Enhanced scaling range for standalone all-in-one devices
OwnerJames Ray Bailey, Joseph Yackzaninventors
Life of this patent
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Abstract
Image pixels are scaled on a conceptual grid having a predetermined number of potential pixel locations, such as 128, between locations of pixels of the input image data. The user-selected scaling percentage can be used to directly locate scaled pixels on the grid. A grid having a relatively large number of potential pixel locations provides a large scaling range. For example, 128 locations can provide a range of up to 12,800 percent.
Claims14
A method for scaling image data, comprising the steps of:
- (a) receiving a user-input scale percentage (SP);
- (b) receiving input image data;
- and
- (c) scaling the input image in first and second dimensions to produce a two-dimensionally scaled image data by locating scaled pixels on a conceptual grid having a predetermined number of potential pixel locations between locations of pixels of the input image data, and wherein each scaled pixel is located at a coordinate on the conceptual grid that is an integer multiple of a scale factor (SF), and wherein SF=(100/SP) multiplied by the number of potential pixel locations.
1 more element
A system for scaling image data, comprising:
- (a) means for receiving a user-input scale percentage (SP);
- (b) means for receiving input image data;
- and
- (c) means for scaling the input image in first and second dimensions to produce a two-dimensionally scaled image data by locating scaled pixels on a conceptual grid having a predetermined number of potential pixel locations between locations of pixels of the input image data, and wherein each scaled pixel is located at a coordinate on the conceptual grid that is an integer multiple of a scale factor (SF), and wherein SF=(100/SP) multiplied by the number of potential pixel locations.
1 more element
Dependencies are inferred from the claim text.