Patent Number: 6,434,276

Title: Image synthesis and communication apparatus

Abstract: In the case where an image of a document or the like is taken by aneconomical camera in a TV conference system and the image is transmittedand received through a communication line, when an image of the whole ofthe document is taken, small characters are defaced and illegible, and,when an imaging operation is performed with a resolution at whichcharacters are readable, it is impossible to take an image of the whole ofthe document. An image F1 at time T1 which is taken while moving animaging section is captured into an image storing section and a featurepoint extracting section. The feature point extracting section extractsfeature points of the image F1. An image F2 at time T2 when the subsequentframe is started is captured into the image storing section and thefeature point extracting section. The image F2 in a region designated by asearch range determining section, and the feature points of the image F1are subject to a calculation in a correlation calculating section, toobtain a motion amount, and then a high-resolution image is synthesized.

Inventors: Hirosawa; Masashi (Tenri, JP), Nakamura; Yasuhisa (Joyo, JP), Akagi; Hiroshi (Nara, JP), Ida; Shiro (Kashihara, JP)


International Classification: H04N 7/26 (20060101); H04N 5/262 (20060101); H04N 1/387 (20060101); H04N 1/195 (20060101); G06K 009/36 ()

Expiration Date: 08/13/2014