Patent №
US 4,903,124
Granted
1990-02-20
Filed 1989
Owner
CANON KABUSHIKI KAISHA, A CORP. OF JAPAN
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
07324441
Disclosed is an image information signal transmission apparatus wherein an image information signal in which one frame is constituted by a plurality of sample data is input, the input image information signal is divided into a plurality of blocks each consisting of a predetermined number of sample data, at least two types of reference value data associated with a dynamic range of sample data of each block is formed in units of blocks, the sample data of each block is coded by using the reference value data to form a plurality of first coded data in units of blocks, the plurality of first coded data formed in units of blocks are vector-quantized to form second coded data in units of blocks, and transmission data is formed by using as a transmission unit the reference data formed in units of blocks and the second coded data formed in units of blocks. The image information signal can be transmitted in a small information volume without degrading the image information signal.
AI classification
Ownership
CANON KABUSHIKI KAISHA, A CORP. OF JAPAN
assignment · 50550259
Assignors
HOSHI, NOBUHIRO, ISHIKAWA, HISASHI, ISHII, YOSHIKI, YAGISAWA, TOSHIHIRO, FUJII, AKIO
On an employer assignment, the assignors are typically the inventors.