RU2009123157A - Устройство обработки сигнала изображения, способ обработки сигнала изображения и программа - Google Patents

Устройство обработки сигнала изображения, способ обработки сигнала изображения и программа Download PDF

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Publication number
RU2009123157A
RU2009123157A RU2009123157/09A RU2009123157A RU2009123157A RU 2009123157 A RU2009123157 A RU 2009123157A RU 2009123157/09 A RU2009123157/09 A RU 2009123157/09A RU 2009123157 A RU2009123157 A RU 2009123157A RU 2009123157 A RU2009123157 A RU 2009123157A
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Russia
Prior art keywords
processing
image signal
aol
display device
processing means
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RU2009123157/09A
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English (en)
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RU2415481C1 (ru
Inventor
Тецудзиро КОНДО (JP)
Тецудзиро КОНДО
Такаси ТАГО (JP)
Такаси ТАГО
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Сони Корпорейшн (JP)
Сони Корпорейшн
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Publication of RU2009123157A publication Critical patent/RU2009123157A/ru
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Publication of RU2415481C1 publication Critical patent/RU2415481C1/ru

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/2059—Display of intermediate tones using error diffusion
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/2059—Display of intermediate tones using error diffusion
    • G09G3/2062—Display of intermediate tones using error diffusion using error diffusion in time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0127—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
    • H04N7/0145—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes the interpolation being class adaptive, i.e. it uses the information of class which is determined for a pixel based upon certain characteristics of the neighbouring pixels

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Graphics (AREA)
  • Plasma & Fusion (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Picture Signal Circuits (AREA)

Abstract

1. Устройство обработки сигнала изображения, предназначенное для обработки сигнала изображения таким образом, что изображение, полученное, когда сигнал изображения отображают в устройстве дисплея, которое не является дисплеем ЭЛТ (электронно-лучевая трубка), выглядит, как изображение, отображаемое в устройстве дисплея ЭЛТ, отличающееся тем, что содержит ! средство обработки АОЛ, предназначенное для выполнения обработки, которая эмулирует обработку АОЛ (автоматический ограничитель тока луча) для сигнала изображения; ! средство обработки МС, предназначенное для выполнения обработки, которая эмулирует обработку МС (модуляция скорости) для сигнала изображения, обработанного средством обработки АОЛ; и ! средство гамма-коррекции, предназначенное для выполнения гамма-коррекции сигнала изображения, обработанного средством обработки МС. ! 2. Устройство обработки сигнала изображения по п.1, отличающееся тем, что средство обработки МС имеет средство коррекции яркости, предназначенное для выполнения, для сигнала изображения, обработанного средством обработки АОЛ, коррекции степени влияния на яркость изменения скорости отклонения электронного луча устройства дисплея ЭЛТ. ! 3. Устройство обработки сигнала изображения по п.1, отличающееся тем, что средство обработки МС имеет средство обработки ЭЛ (электронного луча), предназначенное для выполнения, для сигнала изображения, обработанного средством обработки АОЛ, обработки, которая эмулирует электронный луч устройства дисплея ЭЛТ, который расширяется и попадает на флуоресцентный материал устройства дисплея ЭЛТ. ! 4. Способ обработки сигнала изображения для устройс�

Claims (5)

1. Устройство обработки сигнала изображения, предназначенное для обработки сигнала изображения таким образом, что изображение, полученное, когда сигнал изображения отображают в устройстве дисплея, которое не является дисплеем ЭЛТ (электронно-лучевая трубка), выглядит, как изображение, отображаемое в устройстве дисплея ЭЛТ, отличающееся тем, что содержит
средство обработки АОЛ, предназначенное для выполнения обработки, которая эмулирует обработку АОЛ (автоматический ограничитель тока луча) для сигнала изображения;
средство обработки МС, предназначенное для выполнения обработки, которая эмулирует обработку МС (модуляция скорости) для сигнала изображения, обработанного средством обработки АОЛ; и
средство гамма-коррекции, предназначенное для выполнения гамма-коррекции сигнала изображения, обработанного средством обработки МС.
2. Устройство обработки сигнала изображения по п.1, отличающееся тем, что средство обработки МС имеет средство коррекции яркости, предназначенное для выполнения, для сигнала изображения, обработанного средством обработки АОЛ, коррекции степени влияния на яркость изменения скорости отклонения электронного луча устройства дисплея ЭЛТ.
3. Устройство обработки сигнала изображения по п.1, отличающееся тем, что средство обработки МС имеет средство обработки ЭЛ (электронного луча), предназначенное для выполнения, для сигнала изображения, обработанного средством обработки АОЛ, обработки, которая эмулирует электронный луч устройства дисплея ЭЛТ, который расширяется и попадает на флуоресцентный материал устройства дисплея ЭЛТ.
4. Способ обработки сигнала изображения для устройства обработки сигнала изображения, предназначенного для обработки сигнала изображения таким образом, что изображение, полученное, когда сигнал изображения отображают в устройстве дисплея, которое не является дисплеем типа ЭЛТ (электронно-лучевая трубка), выглядит как изображение, отображаемое в устройстве дисплея ЭЛТ, отличающийся тем, что содержит следующие этапы:
выполняют обработку, которая эмулирует обработку АОЛ (автоматический ограничитель тока луча), к сигналу изображения;
выполняют обработку, которая эмулирует обработку МС (модуляция скорости), к сигналу изображения, для которого была выполнена обработка, которая эмулирует обработку АОЛ; и
выполняют гамма-коррекцию для сигнала изображения, для которого была выполнена обработка, которая эмулирует обработку МС.
5. Носитель записи, содержащий записанную на нем программу, обеспечивающую выполнение компьютером функции устройства обработки сигнала изображения, для обработки сигнала изображения таким образом, чтобы изображение, полученное, когда сигнал изображения отображают в устройстве дисплея, которое не является дисплеем типа ЭЛТ (электронно-лучевая трубка), выглядит как изображение, отображаемое в устройстве дисплея ЭЛТ, причем программа обеспечивает выполнение компьютером следующих функций:
средства обработки АОЛ, предназначенного для выполнения обработки, которая эмулировала обработку АОЛ (автоматического ограничителя тока луча) для сигнала изображения;
средства обработки МС, предназначенного для выполнения обработки, которая эмулировала обработку МС (модуляция скорости) для сигнала изображения, обработанного средство обработки АОЛ; и
средства гамма-коррекции, предназначенного для выполнения гамма-коррекции сигнала изображения, обработанном средством обработки МС.
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