Downloading image graphics with accelerated text character and l

Details Downloading image graphics with accelerated text character and l Downloading image graphics with accelerated text character and l

1996-10-01

2000-10-03

Nguyen, Phu K.

Computer graphics processing and selective visual display system

Computer graphics processing

Adjusting level of detail

G06T 1500

Patent

active

061280216

ABSTRACT:
An image is transferred from a sender to a receiver. The image is progressively re-created at a display of the receiver. First, a low-resolution full-color representation of the image is transferred. Then, a full-resolution limited-color representation of the image is sent. The pixel values of the full-resolution representation typically represent alpha-numerical characters or edges of features. The representations are combined to create a version of the image by modifying the pixels of first representation under control of the limited-color content of the spatially corresponding pixel of the second representation. The legibility of the combined image is achieved considerably faster than with conventional techniques.

REFERENCES:
patent: 4924521 (1990-05-01), Dinan et al.
patent: 5311329 (1994-05-01), Haeberli et al.
patent: 5784064 (1998-07-01), Penna et al.

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