Title:
IMAGE PROCESSING UNIT, IMAGE PROCESSING METHOD AND TRANSMISSION MEDIUM
Document Type and Number:
Japanese Patent JPH1155691
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To attain highly accurate processing at a high speed in the image processing by the stereo method. SOLUTION: Images (1-5) photographed by a camera are respectively given to image input sections 100-1-100-5, stored in a built-in memory and read sequentially to cancel an aberration of the lens of the camera, a difference from a contrast resulting from the characteristic of each camera is corrected and the result is outputted to sum of absolute difference SAD circuits 200-1-200-4. The SAD circuits 200-1-200-4 calculate an absolute value of the difference from pixel values between a reference image 1 outputted from the camera and a reference image outputted from the other two cameras and provide an output. Sum of SAD SSAD circuits 30-1-300-4 provide an output of a result of applying block matching processing to outputs of the SAD circuits. Secondary approximation sections 400-1-400-4 apply secondary approximation to the data outputted from the SSAD circuits and provide an output. Minimum value selection sections 500, 600 and a result memory 700 select a minimum value of data outputted from the secondary approximation sections 400-1-400-4.
Inventors:
HAYASHI KAZUNORI
Application Number:
JP20795297A
Publication Date:
February 26, 1999
Filing Date:
August 01, 1997
Export Citation:
Assignee:
SONY CORP
International Classes:
H04N7/18; H04N13/02; (IPC1-7): H04N13/02; H04N7/18
Attorney, Agent or Firm:
Yoshio Inamoto