Image quality inspection system and image synthesis method

Details Image quality inspection system and image synthesis method Image quality inspection system and image synthesis method

1995-08-15

1997-11-11

Au, Amelia

Television

Special applications

Flaw detector

324770, 382149, H04N 718

Patent

active

056869592

ABSTRACT:
An image quality inspection system to test a display panel with high resolution and low cost by forming a synthesized contrast image of the display panel is disclosed. The image quality inspection system includes a camera section with a built-in image element to capture the image contrast data of the display panel, a rotating plate holding optical filters, an optical lens section having a focal adjustment mechanism for forming an image on the camera section, two parallel plates to move the image by thickness and rotating tilt angles of the plates, a plurality of motors to drive the parallel plates and the parallel plates, an A/D conversion section that converts the image contrast data output from the camera section to digital signals, an image memory that stores the contrast data converted to the digital signal, an image synthesis memory that performs an image fitting process in accordance with image motion controls by the parallel plates and produces a single image of the display panel, and a CPU control section that controls an image synthesis process in the image synthesis memory.

REFERENCES:
patent: 3899634 (1975-08-01), Montone et al.
patent: 5293178 (1994-03-01), Kobayashi
patent: 5339093 (1994-08-01), Kumagai et al.
patent: 5504438 (1996-04-01), Henley

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