Title:
【発明の名称】カラーマッピング装置及び方法
Document Type and Number:
Japanese Patent JP2566670
Kind Code:
B2
Abstract:
A tone generator is provided for generating a perceived tone from a limited set of available tones. According to the invention the perceived tone is generated from a selected plurality of available tones with a granularity over a domain, the selection being made to render to granularity imperceptible to the perceiver. In an embodiment of the invention the tone generator is in the form of an image processor wherein RGB components of pairs of adjacent pels of a captured digitised image are averaged. A perceived colour palette is constructed, each colour being comprised of functionally combined RGB components of two different input palette colours. An array is formed of continuous colours, each indexed to the perceived palette colour to which its RGB components are closest and indicating the two input palette colours defining the respective perceived colour. RGB components for each averaged pel pair and the array index are then used to locate the perceived colour closest thereto and, the two input palette colours corresponding to the perceived colour. These two input colours are then substituted in a display for those of the two averaged pels and the process repeated for all averaged pel pairs.
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Inventors:
JON JOSEFU DEIIKON
ARUBAATO DEYUAA EDOGAA
ARUBAATO DEYUAA EDOGAA
Application Number:
JP22642190A
Publication Date:
December 25, 1996
Filing Date:
August 28, 1990
Export Citation:
Assignee:
INTAANASHONARU BIJINESU MASHIINZU CORP
International Classes:
G06T1/00; G06T5/00; G06T11/00; (IPC1-7): G06T1/00; G06T5/00
Domestic Patent References:
| JP62254275A | ||||
| JP61205073A | ||||
| JP61290884A |
Attorney, Agent or Firm:
Kiyoshi Goda (2 outside)