JPS612230B

PURPOSE:To shorten the graphic process time by avoiding the mixture of the code showing the unnecessary neutral tints in case the binary graphic, for example, is encoded. CONSTITUTION:In case the color graphic, for example, is encoded as the multi- value graphic, the graphic is divided into R, G and...

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Hauptverfasser: KAWAKUBO HIDEJI, HOSHINO HATSUO
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Sprache:eng
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creator KAWAKUBO HIDEJI
HOSHINO HATSUO
description PURPOSE:To shorten the graphic process time by avoiding the mixture of the code showing the unnecessary neutral tints in case the binary graphic, for example, is encoded. CONSTITUTION:In case the color graphic, for example, is encoded as the multi- value graphic, the graphic is divided into R, G and B components with n-bit applied to each component. When the graphic of P-bit smaller than n-bit such as the binary white/black graphic is encoded under these conditions, all of R, G and B components have a change in the color component. In this connection, the quantizing bit of each component is coincided with the highest-rank bit when the highest-rank bits of all components have some change. Otherwise, a bit conversion is given so that all color component bits are coincided with the highest-rank bit Q2 of G component for instance. As a result, the conventional same encoding system can be applied even though the input graphic is binary or multi-value. Furthermore, the undesired code of neutral tints, for example, can be prevented from being mixed into the code of the binary graphic.
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CONSTITUTION:In case the color graphic, for example, is encoded as the multi- value graphic, the graphic is divided into R, G and B components with n-bit applied to each component. When the graphic of P-bit smaller than n-bit such as the binary white/black graphic is encoded under these conditions, all of R, G and B components have a change in the color component. In this connection, the quantizing bit of each component is coincided with the highest-rank bit when the highest-rank bits of all components have some change. Otherwise, a bit conversion is given so that all color component bits are coincided with the highest-rank bit Q2 of G component for instance. As a result, the conventional same encoding system can be applied even though the input graphic is binary or multi-value. 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CONSTITUTION:In case the color graphic, for example, is encoded as the multi- value graphic, the graphic is divided into R, G and B components with n-bit applied to each component. When the graphic of P-bit smaller than n-bit such as the binary white/black graphic is encoded under these conditions, all of R, G and B components have a change in the color component. In this connection, the quantizing bit of each component is coincided with the highest-rank bit when the highest-rank bits of all components have some change. Otherwise, a bit conversion is given so that all color component bits are coincided with the highest-rank bit Q2 of G component for instance. As a result, the conventional same encoding system can be applied even though the input graphic is binary or multi-value. Furthermore, the undesired code of neutral tints, for example, can be prevented from being mixed into the code of the binary graphic.</abstract><oa>free_for_read</oa></addata></record>
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HANDLING RECORD CARRIERS
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
title JPS612230B
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