Motion and disparity estimation method, image synthesis method, and apparatus for implementing same methods
US6215899A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1998 |
| Grant date | Apr 10, 2001 |
| Priority date | — |
| Expiry date | Feb 26, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2013/0085
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image computing and processing apparatus for computing correspondence between images from a plurality of images and for obtaining disparity corresponding to the depth of an image. Also, an apparatus for synthesizing from the disparity and image data an image as viewed from a designated viewing direction. The apparatus has a base image frame memory for storing a base image, a reference image frame memory for storing a reference image, a block correlation computing circuit for computing block correlations and confidence measure for estimation by using a plurality of block sizes, a representative pixel correlation computing circuit, and an estimation integrating computing circuit for evaluating the reliability of the result of estimation by block matching on the basis of a luminance gradient, image noise, a minimum value of an evaluation yardstick for differences between blocks, and block size, and for integrating the results of estimation obtained with the plurality of block sizes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.