JP4834660B2 - ノイズを最小化した画素シフト表示 - Google Patents
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- 238000001914 filtration Methods 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 description 23
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- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
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- 239000004065 semiconductor Substances 0.000 description 2
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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
- G09G3/34—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 by control of light from an independent source
- G09G3/3433—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 by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
- G09G3/346—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 by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on modulation of the reflection angle, e.g. micromirrors
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/007—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
- G02B26/008—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light in the form of devices for effecting sequential colour changes, e.g. colour wheels
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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
- G09G3/007—Use of pixel shift techniques, e.g. by mechanical shift of the physical pixels or by optical shift of the perceived pixels
-
- 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
-
- 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
- H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
- H04N9/3114—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources by using a sequential colour filter producing one colour at a time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
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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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
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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
- G09G2340/00—Aspects of display data processing
- G09G2340/16—Determination of a pixel data signal depending on the signal applied in the previous frame
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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
- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
-
- 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
- G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
- H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
- H04N5/7458—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of deformable mirrors, e.g. digital micromirror device [DMD]
- H04N2005/7466—Control circuits therefor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Astronomy & Astrophysics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Picture Signal Circuits (AREA)
Description
Claims (6)
- 対応する連続的なフレーム画素セット群を有する連続的なフレーム群がデジタル表示装置に表示されるところの表示におけるノイズ低減方法であって:
連続的なフレーム群の画素群を、各画素が整数部及び小数部から成る強度値を有するようにフィルタリングするステップ;
第1フレームの画素を、該第1フレームの画素と空間的に隣接する第2フレームの画素とグループ化するステップ;
該第1フレームの画素及び該第2フレームの画素の強度値の小数部を足し合わせるステップ;及び
グループ化された前記第1及び第2フレームの画素の輝度を、それらの足し合わされた小数部に従って制御するステップであり、
前記第1及び第2フレームの画素の値の小数部の和が1以上であるとき、前記第2フレームの画素の値の小数部を0に設定し、前記第2フレームの画素の値の整数部を1だけ増加させ、且つ前記第1フレームの画素の値の小数部を、前記小数部の和から1を差し引いたもので置換し、
前記第1及び第2フレームの画素の値の前記小数部の和が1未満であるとき、前記第2フレームの画素の値の整数部を変化させずに維持し、前記第2フレームの画素の値の小数部を前記小数部の和で置換し、前記第1フレームの画素の値の小数部を0に設定する、
ことによって制御するステップ;
を有する方法。 - 第1フレームの画素群の各々が第1画像フレーム中に特定位置に現れ、第2フレームの画素群の各々が第2画像フレーム中に対応位置に現れる表示におけるノイズ低減方法であって:
前記第1フレームの画素群及び前記第2フレームの画素群を、各画素が整数部及び小数部から成る強度値を有するようにフィルタリングするステップ;
各第1フレームの画素を、該第1フレームの画素と同一位置にある第2フレームの画素とグループ化するステップ;
該第1フレームの画素及び該第2フレームの画素の強度値の小数部を足し合わせるステップ;及び
グループ化された前記第1及び第2フレームの画素の輝度を、それらの足し合わされた小数部に従って制御するステップであり、
前記第1及び第2フレームの画素の値の小数部の和が1以上であるとき、前記第2フレームの画素の値の小数部を0に設定し、前記第2フレームの画素の値の整数部を1だけ増加させ、且つ前記第1フレームの画素の値の小数部を、前記小数部の和から1を差し引いたもので置換する、
ことによって制御するステップ;
を有する方法。 - 前記小数部の和が1未満であるとき、前記第2フレームの画素の値の整数部を維持し、且つ前記第2フレームの画素の値の小数部を前記小数部の和で置換するステップ、をさらに有する請求項2に記載の方法。
- 第1フレームの画素群が第1フレーム中に現れ、第2フレームの画素群が第2フレーム中に現れる表示におけるノイズを低減する装置であって:
入力されてくる第1フレームの画素群及び第2フレームの画素群を、各画素が整数部及び小数部から成る強度値を有するようにフィルタリングする手段;
各第1フレームの画素を、該第1フレームの画素と空間的に隣接する第2フレームの画素とグループ化する手段;
該第1フレームの画素及び第2フレームの画素の強度値の小数部を足し合わせる手段;及び
グループ化された前記第1及び第2フレームの画素の輝度を、それらの足し合わされた小数部に従って制御する手段であり、
前記第1及び第2フレームの画素の値の小数部の和が1以上であるとき、前記第2フレームの画素の値の小数部を0に設定し、前記第2フレームの画素の値の整数部を1だけ増加させ、且つ前記第1フレームの画素の値の小数部を、前記小数部の和から1を差し引いたもので置換し、
前記第1及び第2フレームの画素の値の前記小数部の和が1未満であるとき、前記第2フレームの画素の値の整数部を変化させずに維持し、前記第2フレームの画素の値の小数部を前記小数部の和で置換し、前記第1フレームの画素の値の小数部を0に設定する、
ことによって制御する手段;
を有する装置。 - 第1フレームの画素群の各々が第1画像フレーム中に特定位置に現れ、第2フレームの画素群の各々が第2画像フレーム中に対応位置に現れる表示におけるノイズを低減する装置であって:
前記第1フレームの画素群及び前記第2フレームの画素群を、各画素が整数部及び小数部から成る強度値を有するようにフィルタリングする手段;
各第1フレームの画素を、該第1フレームの画素と同一位置にある第2フレームの画素とグループ化する手段;
該第1フレームの画素及び該第2フレームの画素の強度値の小数部を足し合わせる手段;及び
グループ化された前記第1及び第2フレームの画素の輝度を、それらの足し合わされた小数部に従って制御する手段であり、
前記第1及び第2フレームの画素の値の小数部の和が1以上であるとき、前記第2フレームの画素の値の小数部を0に設定し、前記第2フレームの画素の値の整数部を1だけ増加させ、且つ前記第1フレームの画素の値の小数部を、前記小数部の和から1を差し引いたもので置換する、
ことによって制御する手段;
を有する装置。 - 前記足し合わせる手段は、前記小数部の和が1未満であるとき、前記第2フレームの画素の値の整数部を維持し、且つその小数部を前記小数部の和で置換する、請求項5に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56865704P | 2004-05-06 | 2004-05-06 | |
US60/568,657 | 2004-05-06 | ||
PCT/US2005/015880 WO2005109384A2 (en) | 2004-05-06 | 2005-05-06 | Pixel shift display with minimal noise |
Publications (2)
Publication Number | Publication Date |
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JP2007536577A JP2007536577A (ja) | 2007-12-13 |
JP4834660B2 true JP4834660B2 (ja) | 2011-12-14 |
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JP2007511642A Active JP4834660B2 (ja) | 2004-05-06 | 2005-05-06 | ノイズを最小化した画素シフト表示 |
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Country | Link |
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US (1) | US20080001973A1 (ja) |
EP (1) | EP1743317A2 (ja) |
JP (1) | JP4834660B2 (ja) |
KR (1) | KR101096908B1 (ja) |
CN (1) | CN100547639C (ja) |
MX (1) | MXPA06012725A (ja) |
MY (1) | MY139438A (ja) |
WO (1) | WO2005109384A2 (ja) |
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KR101096908B1 (ko) | 2004-05-06 | 2011-12-22 | 톰슨 라이센싱 | 최소 노이즈를 갖는 픽셀 시프트 디스플레이 |
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US20060250583A1 (en) * | 2005-05-05 | 2006-11-09 | Andrew Huibers | Multi-mode projectors with spatial light modulators |
US7414795B2 (en) * | 2006-05-15 | 2008-08-19 | Eastman Kodak Company | Method for driving display with reduced aging |
US8130192B2 (en) * | 2007-06-15 | 2012-03-06 | Ricoh Co., Ltd. | Method for reducing image artifacts on electronic paper displays |
US20110064218A1 (en) * | 2008-05-15 | 2011-03-17 | Donald Henry Willis | Method, apparatus and system for anti-piracy protection in digital cinema |
KR102308202B1 (ko) | 2014-12-23 | 2021-10-06 | 삼성디스플레이 주식회사 | 터치 스크린 표시 장치 및 그의 구동방법 |
JP6550997B2 (ja) * | 2015-07-16 | 2019-07-31 | 株式会社リコー | 画像投射装置 |
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-
2005
- 2005-05-06 KR KR1020067023146A patent/KR101096908B1/ko active IP Right Grant
- 2005-05-06 US US11/579,041 patent/US20080001973A1/en not_active Abandoned
- 2005-05-06 CN CNB2005800143625A patent/CN100547639C/zh active Active
- 2005-05-06 MY MYPI20052029A patent/MY139438A/en unknown
- 2005-05-06 WO PCT/US2005/015880 patent/WO2005109384A2/en not_active Application Discontinuation
- 2005-05-06 MX MXPA06012725A patent/MXPA06012725A/es active IP Right Grant
- 2005-05-06 JP JP2007511642A patent/JP4834660B2/ja active Active
- 2005-05-06 EP EP05750464A patent/EP1743317A2/en not_active Withdrawn
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JP2002366093A (ja) * | 2001-06-12 | 2002-12-20 | Pioneer Electronic Corp | 表示装置 |
JP2003114639A (ja) * | 2001-06-14 | 2003-04-18 | Canon Inc | 画像表示装置 |
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Also Published As
Publication number | Publication date |
---|---|
CN100547639C (zh) | 2009-10-07 |
JP2007536577A (ja) | 2007-12-13 |
WO2005109384A2 (en) | 2005-11-17 |
US20080001973A1 (en) | 2008-01-03 |
KR20070018935A (ko) | 2007-02-14 |
CN1950873A (zh) | 2007-04-18 |
KR101096908B1 (ko) | 2011-12-22 |
MY139438A (en) | 2009-09-30 |
EP1743317A2 (en) | 2007-01-17 |
MXPA06012725A (es) | 2007-01-16 |
WO2005109384A3 (en) | 2006-03-30 |
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