Title:
高解像度コンピュータ型モニタでの実質的に運動の不連続性を伴なわないビデオの表示
Document Type and Number:
Japanese Patent JP4148999
Kind Code:
B2
Abstract:
A convectional 2-1 interlaced (nominally 50 Hz field rate or nominally 60 Hz field rate) television signal is converted to a form suitable for display on a progressively-scanned variable-frame-rate high-resolution computer-type monitor. First, a succession of progressively-scanned video frames is derived from the interlaced television signal and each frame is repeated at least twice in succession When the interlaced television sign is derived from a motion picture source, the progressively scanned frames are derived by merging opposite polarity fields derived from tho same motion picture frame. For other sources, other interlace-to-progressive scan techniques, such as line duplication or line interpolation, are employed. The sequences of repeated progressively-scanned frames are written into a two frame memory at rate derived from the timing of the progressively-scanned video frames and are read out at a rate derived from the timing of the monitor's frame rate. Frames are skipped or duplicated in order to prevent memory underflow or overflow. Motion-discontinuity-free video displays at refresh rates from 50 Hz to 100 Hz, for 50 Hz inputs, and from 60 Hz to 120 hz for 60 Hz inputs may be achieved.
More Like This:
Inventors:
FAROUDJA, YVES C.
Don, Shu
Way, don
Don, Shu
Way, don
Application Number:
JP50972098A
Publication Date:
September 10, 2008
Filing Date:
July 15, 1997
Export Citation:
Assignee:
FAROUDJA, YVES C.
International Classes:
G09G5/00; G09G5/391; H04N5/44; H04N7/01
Domestic Patent References:
| JP8065639A | ||||
| JP9181967A | ||||
| JP6133281A |
Foreign References:
| US4876596 |
Attorney, Agent or Firm:
Kuro Fukami
Toshio Morita
Hidehiko Ito
Yutaka Horii
Toshio Morita
Hidehiko Ito
Yutaka Horii
Previous Patent: バルーンカテーテル
Next Patent: METHOD FOR FORMING TRANSFER PRINTING LAYER BY LIQUID PRESSURE
Next Patent: METHOD FOR FORMING TRANSFER PRINTING LAYER BY LIQUID PRESSURE