Scale specific and robust line/edge encoding of images

Details Scale specific and robust line/edge encoding of images Scale specific and robust line/edge encoding of images

1994-11-28

1997-11-04

Johns, Andrew

Image analysis

Image compression or coding

382199, 382248, 382291, 348403, G06K 948, G06K 932, H04N 712

Patent

active

056848943

ABSTRACT:
Prescribed attributes such as lines and edges are detected in an image wherein the image is digitized to a prescribed spatial and a digital encoding resolution. Directional energy and positions of linear structures in the image are then estimated, and global and local normalization of the linear structures are performed. Spatial and directional competition is conducted among the linear structures and winners of this competition are determined. The winners are encoded into strings of digital data words, with the encoded winners forming a structural description of the original image. The encoded structural description of the original image can be stored and used in other image processing algorithms, such as those used for pattern recognition.

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