JP2004069996A5 - - Google Patents

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JP2004069996A5
JP2004069996A5 JP2002229069A JP2002229069A JP2004069996A5 JP 2004069996 A5 JP2004069996 A5 JP 2004069996A5 JP 2002229069 A JP2002229069 A JP 2002229069A JP 2002229069 A JP2002229069 A JP 2002229069A JP 2004069996 A5 JP2004069996 A5 JP 2004069996A5
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Prior art keywords
projector
processing apparatus
information processing
image
image data
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JP2002229069A
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JP2004069996A (en
JP4048870B2 (en
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Priority to JP2002229069A priority Critical patent/JP4048870B2/en
Priority claimed from JP2002229069A external-priority patent/JP4048870B2/en
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Publication of JP2004069996A5 publication Critical patent/JP2004069996A5/ja
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Claims (10)

画像データを供給する情報処理装置と、前記情報処理装置から供給された画像データに基づいて画像を生成してスクリーンに投射して表示させるプロジェクタとを備えたプロジェクタシステムに使用される前記情報処理装置であって、
前記プロジェクタの表示デバイスの仕様に対応した画像データを生成する画像加工手段を備え、
前記画像加工手段は、前記プロジェクタと投射されるスクリーンとの位置関係に応じた台形歪みを補正するための台形補正手段を備えたことを特徴とする情報処理装置。The information processing apparatus used in a projector system comprising: an information processing apparatus that supplies image data; and a projector that generates an image based on the image data supplied from the information processing apparatus, and projects and displays the image on a screen Because
Image processing means for generating image data corresponding to the specifications of the display device of the projector,
The information processing apparatus according to claim 1, wherein the image processing unit includes a trapezoid correction unit for correcting trapezoidal distortion according to a positional relationship between the projector and a projected screen. 前記画像加工手段は、前記プロジェクタの表示デバイスを構成するＬＣＤの個体ばらつき等を含んだ特性データを反映して画像データを補正するガンマ補正手段と、前記画像データの色むらを補正する色むら補正手段とを備えたことを特徴とする請求項１記載の情報処理装置。 The image processing means includes gamma correction means for correcting image data reflecting characteristic data including individual variations of LCDs constituting the display device of the projector, and color unevenness correction for correcting color unevenness of the image data. The information processing apparatus according to claim 1, further comprising: means. 前記画像加工手段は、画像データの明るさに対応してプロジェクタの光源の明るさを制御するための調光信号を生成して、前記プロジェクタに送信させて当該光源の明るさを制御させる調光制御手段と、前記調光制御手段の出力に基づいて前記画像データの階調を変更する階調変更手段とを備えたことを特徴とする請求項１又は２記載の情報処理装置。  The image processing means generates a dimming signal for controlling the brightness of the light source of the projector corresponding to the brightness of the image data, and transmits the dimming signal to the projector to control the brightness of the light source. The information processing apparatus according to claim 1, further comprising: a control unit; and a gradation changing unit that changes a gradation of the image data based on an output of the dimming control unit. 前記画像加工手段は、プロジェクタにより得られる画像を調整するための映像調整部を備えたことを特徴とする請求項１〜３の何れかに記載の情報処理装置。  The information processing apparatus according to claim 1, wherein the image processing unit includes a video adjustment unit for adjusting an image obtained by the projector. 映像パラメータを設定するためのメニューを当該情報処理装置の表示装置に表示させるメニュー表示手段を備え、前記画像加工手段は、映像パラメータが設定されると、その映像パラメータを前記プロジェクタ側に送信させることを特徴とする請求項１〜４の何れかに記載の情報処理装置。  Menu display means for displaying a menu for setting a video parameter on the display device of the information processing apparatus is provided, and the image processing means transmits the video parameter to the projector side when the video parameter is set. The information processing apparatus according to any one of claims 1 to 4. 個別のパラメータ設定テーブルを備え、前記プロジェクタに対応した個別のＩＤごとに映像パラメータを読み込んで前記パラメータ設定テーブルに保存することを特徴とする請求項１〜５の何れかに何れかに記載の情報処理装置。 6. The information according to claim 1, further comprising an individual parameter setting table, wherein video parameters are read for each individual ID corresponding to the projector and stored in the parameter setting table. Processing equipment. 画像データを供給する情報処理装置と、前記情報処理装置から供給された画像データに基づいて画像を生成してスクリーンに投射して表示させるプロジェクタとを備えたプロジェクタシステムに使用される前記プロジェクタであって、
フレームメモリと、
表示デバイスと、
前記情報処理装置からシリアルバスを介して受信した画像データを復号して、前記フレームメモリに画像を描画し、その画像の画像データを前記表示デバイスに出力する表示制御手段と、
各種の映像パラメータとしてガンマ補正値、色むら補正値及びリサイズ補正値が保存されるパラメータ記憶手段とを備え、
前記情報処理装置からの送信要求に基づいて前記映像パラメータを前記シリアルバスを介して送信することを特徴とするプロジェクタ。The projector used in a projector system comprising: an information processing apparatus that supplies image data; and a projector that generates an image based on the image data supplied from the information processing apparatus and displays the image on a screen. And
Frame memory,
A display device;
Display control means for decoding image data received from the information processing apparatus via a serial bus, rendering an image in the frame memory, and outputting the image data of the image to the display device;
Parameter storage means for storing gamma correction values, color unevenness correction values, and resizing correction values as various video parameters;
The projector, wherein the video parameter is transmitted via the serial bus based on a transmission request from the information processing apparatus. 前記表示制御手段は、前記表示デバイスのタイミングに合わせて画像データを前記表示デバイスに出力することを特徴とする請求項７記載のプロジェクタ。  The projector according to claim 7, wherein the display control unit outputs image data to the display device in accordance with a timing of the display device. 前記パラメータ記憶手段のリサイズ補正値は電源投入時又は電源遮断時に初期化され、新たに設定されたリサイズ補正値は初期化処理されるまで保存されることを特徴とする請求項７又は８記載のプロジェクタ。 9. The resizing correction value in the parameter storage means is initialized when the power is turned on or off, and the newly set resizing correction value is stored until the initialization processing is performed. projector. プロジェクタに対応した個別のＩＤごとに映像パラメータを前記情報処理装置に送信して保存させることを特徴とする請求項７〜９の何れかに記載のプロジェクタ。 The projector according to claim 7, wherein a video parameter is transmitted to the information processing apparatus and stored for each individual ID corresponding to the projector.
JP2002229069A 2002-08-06 2002-08-06 Projector system Expired - Fee Related JP4048870B2 (en)

Priority Applications (1)

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JP2002229069A JP4048870B2 (en) 2002-08-06 2002-08-06 Projector system

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Application Number Priority Date Filing Date Title
JP2002229069A JP4048870B2 (en) 2002-08-06 2002-08-06 Projector system

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JP2004069996A JP2004069996A (en) 2004-03-04
JP2004069996A5 true JP2004069996A5 (en) 2005-09-02
JP4048870B2 JP4048870B2 (en) 2008-02-20

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