JP5596340B2 - 画像処理システム - Google Patents
画像処理システム Download PDFInfo
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- JP5596340B2 JP5596340B2 JP2009500936A JP2009500936A JP5596340B2 JP 5596340 B2 JP5596340 B2 JP 5596340B2 JP 2009500936 A JP2009500936 A JP 2009500936A JP 2009500936 A JP2009500936 A JP 2009500936A JP 5596340 B2 JP5596340 B2 JP 5596340B2
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- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- G09G3/3216—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using a passive matrix
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- G02F1/061—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on electro-optical organic material
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- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- G09G3/3275—Details of drivers for data electrodes
- G09G3/3283—Details of drivers for data electrodes in which the data driver supplies a variable data current for setting the current through, or the voltage across, the light-emitting elements
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- 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
- G09G3/36—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 liquid crystals
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- G09G2310/0202—Addressing of scan or signal lines
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- 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
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- 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
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- 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
- G09G3/36—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 liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3622—Control of matrices with row and column drivers using a passive matrix
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Electroluminescent Light Sources (AREA)
- Transforming Electric Information Into Light Information (AREA)
Description
本発明の実装形態の理解を助けるために、まず、その好ましい特別な場合がトータルマトリックスアドレッシング(TMA)技術を含む、マルチラインアドレッシング(MLA)技術について再検討する。これらは、ピクセル(またはカラーサブピクセル)ごとの記憶素子を含んでおらず、したがって連続的にリフレッシュされなければならないディスプレイであるパッシブマトリックスOLEDディスプレイ(passive matrix OLED display)と共に使用されることが好ましい。本仕様書では、OLEDディスプレイは、ポリマー、いわゆる小さい分子(例えば米国特許第4,539,507)、デンドリマー、有機金属材を使用して製造されたディスプレイを含み、このディスプレイは、モノクロでもカラーでもよい。
av=average(gamma(Vxy)
開始
Qxy = Qxy + RpyCxp xおよびyごと
Qxy =Qxy - RpyCxp xおよびyごと
開始に折り返す
102 データおよび制御バス
103 フレームストアメモリ
105 第2の読み取りバス
109 列データ入力
110 列ドライバ
111 行データ入力
112 行ドライバ回路
120 パッシブマトリックスOLEDディスプレイ
124 行電極
128 列電極
150 ディスプレイ駆動データプロセッサ
300 システム
302 前処理
304 NMFプロセッサ
306 行メモリ
308 列メモリ
310 非負行列因子分解システム
312 後処理装置
314 コントローラ
316 ディスプレイメモリ
318 行ドライバ
320 列ドライバ
322 OLEDディスプレイ
Claims (10)
- 画像を表示するための電子発光ディスプレイを駆動する方法であって、
入力へと前記画像の画像データを入力する段階と、
観察者の目において統合された画像を与えるために前記画像データを使用して、前記画像の共通の空間部分をそれぞれ表す第1の複数の画像サブフレームの第1の組の画像サブフレームデータを決定する段階であって、前記第1の複数の画像サブフレームが結合されて前記画像の前記共通の空間部分に近似するようになる段階と、
前記第1の組の画像サブフレームデータを使用して、前記ディスプレイを駆動する段階であって、前記第1の組の画像サブフレームを連続的に表示する段階を含む前記駆動する段階と、
観察者の目において統合された画像を与えるために、前記画像データを使用して、前記画像の前記共通の空間部分をそれぞれ表す第2の複数の画像サブフレームの第2の組の画像サブフレームデータを決定する段階であって、前記第2の複数の画像サブフレームが結合されて前記画像の前記共通の空間部分に近似するようになる段階と、
前記第2の組の画像サブフレームデータを使用して、前記ディスプレイを駆動する段階であって、前記第2の組の画像サブフレームを連続的に表示する段階を含む前記駆動する段階と
を含む方法であって、
前記画像データが対象の画像行列を定義し、前記1組の画像サブフレームデータを決定する前記段階が、前記対象の行列を因子分解して、複数の前記サブフレームのデータをそれぞれ定義する、前記ディスプレイのそれぞれの第1および第2の軸のデータを定義する第1および第2の因子行列を決定し、
前記分解は非負行列の因子分解を含み、
前記第1の組の画像サブフレームデータを決定する前記段階が、第1および第2の因子行列の初期値データから前記サブフレームデータを反復的に決定する段階を含み、前記サブフレームの組は最適へと収束するような前記反復する段階であって、
前記第1の組のサブフレームデータを決定する前記段階における前記初期値データは、前記第2の組のサブフレームデータを決定する前記段階における前記初期値データとは異なる方法。 - 前記第1の組の画像サブフレームデータを決定する前記段階が、前記画像の前記共通の空間部分を近似する前記段階において、前記1組のサブフレームの誤差を表す残差データを決定する段階を含み、前記第2の組の画像サブフレームデータを決定する前記段階が、
前記誤差は、前記画像データの部分と前記第1の組の画像サブフレームデータによる前記画像データの前記部分の近似との間の差異であって、前記画像データの部分は前記画像の前記共通の空間部分を表し、
前記画像の前記共通の空間部分に前記残差データを追加したものに近似するように1組の画像サブフレームを決定する段階を含む請求項1に記載の方法。 - 前記表示画像が、目的の信号対ノイズ比(SNR)を有し、サブフレームの各組が、個々に前記目的のSNRを満たさないように、前記第1および第2のサブフレームのいくつかが選択される請求項2に記載の方法。
- 観察者の目において統合された画像を与えるために前記画像データを使用して、前記画像の前記共通の空間部分をそれぞれ表す第3の複数の画像サブフレームの第3の組の画像サブフレームデータを決定する段階であって、前記第3の複数の画像サブフレームが結合されて前記画像の前記共通の空間部分に近似するようになる段階と、
前記第3の組の画像サブフレームデータを使用して、前記ディスプレイを駆動する段階であって、前記第3の組の画像サブフレームを連続的に表示する段階を含む前記駆動する段階とをさらに含む請求項1から3のいずれかに記載の方法。 - 表示されたビデオフレームごとに、請求項1から4までの方法を使用して、ビデオデータにより電子発光ディスプレイを駆動する方法であって、次のビデオフレームを表示するためのサブフレームデータを決定するとき、前記画像が前記ビデオフレームを含むとともに、前記フレームを表示するために前記フレームの前記近似された共通の空間部分における前記サブフレームの組の表示誤差が考慮に入れられ、
前記表示誤差は、前記ビデオフレームの前記ビデオデータの部分と、前記サブフレームの組による前記ビデオデータの前記部分の近似との間の差異であって、前記ビデオデータの前記部分は前記フレームの前記共通の空間部分を表す方法。 - 前記電子発光ディスプレイがOLDEディスプレイを含む請求項1から5のいずれかに記載の方法。
- 電子発光ディスプレイを制御するプロセッサによって実行されると、請求項1から6のいずれかの方法を実施するプロセッサ制御コードを記録したコンピュータ読み取り可能な記憶媒体。
- 画像を表示するための電子発光ディスプレイを駆動するドライバであって、
前記入力へと前記画像の入力データを受信する入力と、
観察者の目において統合された画像の印象を与えるために前記画像データを使用して、前記画像の共通の空間部分をそれぞれ表す第1の複数の画像サブフレームの第1の組の画像サブフレームデータを決定する手段であって、前記第1の複数の画像サブフレームが結合されて前記画像の前記共通の空間部分に近似するようになる手段と、
観察者の目において統合された画像の印象を与えるために前記画像データを使用して、前記画像の前記共通の空間部分をそれぞれ表す第2の複数の画像サブフレームの第2の組の画像サブフレームデータを決定する手段であって、前記第2の複数の画像サブフレームが結合されて前記画像の前記共通の空間部分に近似するようになる手段と、
前記第1および第2の組の画像サブフレームデータを使用して前記ディスプレイを駆動する出力であって、前記第2の組の画像サブフレームを連続的に表示する段階を含む前記駆動する出力と、
前記画像データが画像行列を定義し、前記1組の画像サブフレームデータを決定する前記段階が、前記対象の行列を因子分解して、複数の前記サブフレームデータをそれぞれ定義する、前記ディスプレイのそれぞれの第1および第2の軸のデータを定義する第1および第2の因子行列を決定し、
前記第1および第2の因子行列を決定する前記段階が、第1および第2の因子行列の初期値データから前記サブフレームデータを反復的に決定する段階を含み、前記サブフレームの組は静的へと収束するような前記反復する段階であって、
前記因子分解は、非負行列の因子分解を含み、
前記第1の組のサブフレームデータを決定する前記段階における前記初期値データは、前記第2の組のサブフレームデータを決定する前記段階における前記初期値データとは異なる
ディスプレイドライバ。 - 観察者の目において統合されて画像を作成するように、高速で連続的に表示された複数の時間サブフレームから成る1組のサブフレームを前記画像の画像データを使用して生成することによって、画像が生成される電子発光ディスプレイにおける表示画像の品質を向上させる方法であって、組み合わされることによって前記画像に近似するようそれぞれが構成されている複数の異なる前記時間サブフレームの組を生成する段階と、前記複数組のサブフレームを、前記観察者の目において統合させて前記画像の向上された近似を作成するように表示する段階であって、前記複数の異なる組は第1の組と第2の組である段階とを含む方法であって、
前記画像データが画像行列を定義し、前記1組の画像サブフレームデータを決定する前記段階が、前記対象の行列を因子分解して、複数の前記サブフレームデータをそれぞれ定義する、前記ディスプレイのそれぞれの第1および第2の軸のデータを定義する第1および第2の因子行列を決定し、
前記第1および第2の因子行列を決定する前記段階が、第1および第2の因子行列の初期値データから前記サブフレームデータを反復的に決定する段階を含み、前記サブフレームの組は最適へと収束するような前記反復的に決定する段階であって、
前記因子分解は、非負行列の因子分解を含み、
前記第1の組のサブフレームデータを決定する前記段階における前記初期値データは、前記第2の組のサブフレームデータを決定する前記段階における前記初期値データとは異なる
方法。 - 電気光学ディスプレイのためのドライバであって、前記ディスプレイが、行電極および列電極によってそれぞれアドレス指定可能な複数のピクセルを有し、前記ドライバが、
表示用画像データを受信する入力であって、前記画像データが画像行列を定義する入力と、
前記画像行列を少なくとも第1および第2の因子行列の積に因子分解するためのシステムであって、前記第1の因子行列が前記ディスプレイの行駆動信号を定義し、前記第2の因子行列が前記ディスプレイの列駆動信号を定義するシステムと、
前記第1および第2の因子行列によって定義された前記行駆動信号および列駆動信号を出力する出力と、
第1の組の出力用の前記行駆動信号および列駆動信号と、第2の組の出力用の前記行駆動信号および列駆動信号を生成するために、表示用の単一の画像について少なくとも2回、前記画像行列を因子分解するための前記因子分解システムを制御するコントローラと
を含むドライバであって、
前記因子分解は、非負行列の因子分解を含み、
前記少なくとも2回、前記画像を因子分解する段階は、
前記第1および第2の因子行列の第1の初期値データから第1の組の行駆動信号および列駆動信号を反復的に決定する段階であって、前記決定する段階は、前記第1の組の前記行駆動信号および列駆動信号は最適へと収束する前記反復的に決定する段階と、
前記第1および第2の因子行列の第2の初期値データから第2の組の行駆動信号および列駆動信号を反復的に決定する段階であって、前記決定する段階は、前記第2の組の前記行駆動信号および列駆動信号は最適へと収束する前記反復的に決定する段階とを含むとともに、
前記第1の初期値データは、第2の初期値データとは異なる、
ドライバ。
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