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:
May. 09, 2006
Filed:
Aug. 22, 2001
Xavier Michel, Chiba, JP;
Xavier Michel, Chiba, JP;
Sony Corporation, , JP;
Abstract
The resolution of an image is converted effectively using a simple process which needs a small amount of calculation. Local energy is determined from the differences between pixel values of N pixels lying at diagonal locations in an upper and lower rows. When the local energy is greater than a threshold value, a diagonal line given by two pixels having the smallest difference is employed as an edge direction. An image is interpolated between the two pixels in the edge direction by employing the mean value of the two pixel values of those two pixels. Thereafter, it is determined whether consistency is achieved between the interpolated image and the upper and lower pixels. If consistency is not achieved, linear interpolation is performed as in the case where the energy is lower than the threshold value.