JP2013216037A - Printer - Google Patents

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JP2013216037A
JP2013216037A JP2012089995A JP2012089995A JP2013216037A JP 2013216037 A JP2013216037 A JP 2013216037A JP 2012089995 A JP2012089995 A JP 2012089995A JP 2012089995 A JP2012089995 A JP 2012089995A JP 2013216037 A JP2013216037 A JP 2013216037A
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image
image quality
printing
quality adjustment
gradation characteristic
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JP2013216037A5 (en
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Hideo Domae
英生 堂前
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a printer capable of informing users about gradation characteristics after image quality adjustment.SOLUTION: A printer 1 is provided with: an image quality adjustment part 5 adjusting the quality of an image 21 printed based on the input image data freely changeably in setting; and a printing part 7 printing a gradation characteristics information 22 indicating the gradation characteristics after image adjustment by the image quality adjustment part 5 in an optional setting. Thereby, since a user can learn the gradation characteristics after image adjustment, the user can easily confirm an adjustment defect when the defect such as loss of a portion of gradation by saturation or the like is generated.

Description

本発明は、画質調整機能を有するプリンタに関するものである。   The present invention relates to a printer having an image quality adjustment function.

プリンタによって印刷される画像の画質は、モニタに表示される画像の画質と必ずしも同じではなく、また利用者が好む画質とも必ずしも同じではないため、プリンタで印刷するときには画質調整を行うことが一般的であるが、利用者にとって複数の画質調整機能を組み合わせて利用者好みの画質に調整することは困難であった。   The image quality of an image printed by a printer is not necessarily the same as the image quality displayed on a monitor, and is not necessarily the same as the image quality preferred by the user. However, it has been difficult for a user to adjust a user-preferred image quality by combining a plurality of image quality adjustment functions.

利用者が好みの画質に調整するため、複数ある画質調整機能の調整値の組み合わせを変えた画像を数パターン印刷する機能を持たせることで、利用者の好みに近い画質に調整された画像を選択させる技術が提案されている(例えば特許文献1,2参照)。   In order to adjust the image quality to the user's preference, by providing a function to print several patterns of images with different combinations of adjustment values of multiple image quality adjustment functions, an image adjusted to an image quality close to the user's preference can be obtained. Techniques for selection have been proposed (see, for example, Patent Documents 1 and 2).

特開平5−130640号公報JP-A-5-130640 特開平7−299934号公報JP-A-7-299934

特許文献1,2に記載の技術では、利用者の好みに近い画質に調整することは可能であったが、利用者は画質調整後の階調特性を知ることができなかった。このため、画質調整を行ったことで飽和等により階調の一部が失われる等の調整不良が発生した場合、利用者は調整不良を確認することは難しかった。   With the technologies described in Patent Documents 1 and 2, it was possible to adjust the image quality to the user's preference, but the user could not know the gradation characteristics after image quality adjustment. For this reason, it is difficult for the user to confirm the adjustment failure when an adjustment failure such as a loss of part of the gradation due to saturation or the like occurs due to the image quality adjustment.

そこで、本発明は、画質調整後の階調特性を利用者に知らせることが可能なプリンタを提供することを目的とする。   SUMMARY An advantage of some aspects of the invention is that it provides a printer capable of notifying a user of gradation characteristics after image quality adjustment.

本発明に係るプリンタは、入力された画像データに基づいて印刷される画像の画質を設定変更自在に調整する画質調整手段と、任意の設定において前記画質調整手段による画質調整後の階調特性を示す階調特性情報を印刷する印刷手段とを備えたものである。   The printer according to the present invention includes an image quality adjusting unit that adjusts an image quality of an image to be printed based on input image data so that the setting can be freely changed, and a gradation characteristic after the image quality adjustment by the image quality adjusting unit in an arbitrary setting. Printing means for printing the gradation characteristic information shown.

本発明によれば、印刷手段は、任意の設定において画質調整手段による画質調整後の階調特性情報を印刷するため、利用者は画質調整後の階調特性を知ることができる。これにより、飽和等により階調の一部が失われる等の調整不良が発生した場合、利用者は容易に調整不良を確認することができる。   According to the present invention, the printing unit prints the gradation characteristic information after the image quality adjustment by the image quality adjustment unit in an arbitrary setting, so that the user can know the gradation characteristic after the image quality adjustment. Thus, when an adjustment failure such as a loss of part of the gradation due to saturation or the like occurs, the user can easily check the adjustment failure.

実施の形態に係るプリンタのブロック図である。1 is a block diagram of a printer according to an embodiment. 印刷モード選択制御を示すフローチャートである。It is a flowchart which shows print mode selection control. 階調特性印刷制御を示すフローチャートである。It is a flowchart which shows gradation characteristic printing control. 通常印刷モードの印刷例(画像)を示す図である。It is a figure which shows the example of printing (image) of normal printing mode. 階調特性印刷モードの印刷例(グラフ)を示す図である。It is a figure which shows the example of printing (graph) of gradation characteristic printing mode. 階調特性印刷モードの印刷例(表)を示す図である。It is a figure which shows the example of printing (table | surface) of gradation characteristic printing mode. 階調特性印刷モードの印刷例(画像とグラフ)を示す図である。It is a figure which shows the example of a printing (image and graph) of gradation characteristic printing mode.

<実施の形態>
本発明の実施の形態について、図面を用いて以下に説明する。図1は、本発明の実施の形態に係るプリンタ1のブロック図である。プリンタ1は、制御部2と、画像入力部3と、記憶部4と、画質調整部5(画像調整手段)と、印刷用画像生成部6と、印刷部7(印刷手段)と、操作部8と、表示部9とを備えている。プリンタ1においては、画像21(図4参照)を印刷する通常印刷モードと、画質調整後の階調特性を示す階調特性情報22(図5参照)を印刷する階調特性印刷モードとを択一的に選択可能に構成されている。
<Embodiment>
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of a printer 1 according to an embodiment of the present invention. The printer 1 includes a control unit 2, an image input unit 3, a storage unit 4, an image quality adjustment unit 5 (image adjustment unit), a printing image generation unit 6, a printing unit 7 (printing unit), and an operation unit. 8 and a display unit 9. In the printer 1, a normal print mode for printing an image 21 (see FIG. 4) and a tone characteristic print mode for printing tone characteristic information 22 (see FIG. 5) indicating the tone characteristics after image quality adjustment are selected. It is configured to be selectable.

制御部2は、例えばCPUを備えて実現され、その内部に記憶される制御プログラムに基づいて、画像入力部3と、記憶部4と、画質調整部5と、印刷用画像生成部6と、印刷部7と、操作部8と、表示部9とを含むハードウェア資源を統括的に制御する。   The control unit 2 is realized by including, for example, a CPU, and based on a control program stored therein, the image input unit 3, the storage unit 4, the image quality adjustment unit 5, the printing image generation unit 6, The hardware resources including the printing unit 7, the operation unit 8, and the display unit 9 are comprehensively controlled.

画像入力部3は、例えばパーソナルコンピュータ(図示省略)と接続され、パーソナルコンピュータから画像データが入力される。画像入力部3に入力された画像データは記憶部4に記憶される。   The image input unit 3 is connected to, for example, a personal computer (not shown), and receives image data from the personal computer. The image data input to the image input unit 3 is stored in the storage unit 4.

画像入力部3に入力された画像データは、記憶部4を介して画質調整部5に入力される。画質調整部5は、入力された画像データに基づいて印刷される画像21の画質を設定変更自在に調整する。ここで、画質とは、例えば色の濃淡、輝度、コントラスト、色バランス(ホワイトバランス、イエロー色バランス、マゼンタ色バランス、シアン色バランス等)等をいう。   The image data input to the image input unit 3 is input to the image quality adjustment unit 5 via the storage unit 4. The image quality adjustment unit 5 adjusts the image quality of the image 21 to be printed based on the input image data so that the setting can be changed. Here, the image quality means, for example, color shading, luminance, contrast, color balance (white balance, yellow color balance, magenta color balance, cyan color balance, etc.) and the like.

印刷用画像生成部6は、通常印刷モードが選択された場合、画像データに基づいて画像21を生成する。また、階調特性印刷モードが選択された場合は、画像21の代わりに画質調整部5による画質調整後の階調特性を示す階調特性情報22を生成する。印刷部7は、印刷用画像生成部6により生成された画像21、または階調特性情報22を記録用紙等のシート状の出力媒体20に印刷する。   The print image generation unit 6 generates the image 21 based on the image data when the normal print mode is selected. When the gradation characteristic printing mode is selected, gradation characteristic information 22 indicating the gradation characteristics after image quality adjustment by the image quality adjustment unit 5 is generated instead of the image 21. The printing unit 7 prints the image 21 generated by the printing image generation unit 6 or the gradation characteristic information 22 on a sheet-like output medium 20 such as a recording sheet.

操作部8は、利用者が操作する操作キー等の複数の操作片を有する。利用者は、操作部8の操作片を操作することで、例えば各画質調整値の設定変更、印刷モードの選択等を行うことができ、設定変更された各画質調整値、選択された印刷モードを示す情報が制御部2へ出力される。ここで、各画質調整値とは、色の濃淡、輝度、コントラスト、色バランス等のそれぞれの調整値である。表示部9は、例えば液晶ディスプレイによって実現され、画質調整値の設定内容、印刷モード等を表示する。   The operation unit 8 includes a plurality of operation pieces such as operation keys operated by the user. The user can change the setting of each image quality adjustment value, select a print mode, and the like, for example, by operating the operation piece of the operation unit 8. Each image quality adjustment value whose setting has been changed and the selected print mode can be selected. Is output to the control unit 2. Here, each image quality adjustment value is an adjustment value for color shading, brightness, contrast, color balance, and the like. The display unit 9 is realized by, for example, a liquid crystal display, and displays setting contents of image quality adjustment values, a print mode, and the like.

次に、図2〜図5を用いて、階調特性印刷処理に関する制御部2の処理手順について説明する。図2は、印刷モード選択制御を示すフローチャートであり、図3は、階調特性印刷制御を示すフローチャートであり、図4は、通常印刷モードの印刷例(画像)を示す図であり、図5は、階調特性印刷モードの印刷例(グラフ)を示す図である。   Next, the processing procedure of the control unit 2 relating to the gradation characteristic printing process will be described with reference to FIGS. 2 is a flowchart showing print mode selection control, FIG. 3 is a flowchart showing gradation characteristic print control, FIG. 4 is a view showing a printing example (image) in the normal print mode, and FIG. FIG. 10 is a diagram illustrating a printing example (graph) in a gradation characteristic printing mode.

図2に示すように、パーソナルコンピュータ上のアプリケーション等から印刷を実行することで、画像データがパーソナルコンピュータから画像入力部3へ入力され(ステップS1)、入力された画像データは記憶部4に記憶される(ステップS2)。   As shown in FIG. 2, image data is input from the personal computer to the image input unit 3 by executing printing from an application or the like on the personal computer (step S <b> 1), and the input image data is stored in the storage unit 4. (Step S2).

利用者が操作部8を介して印刷モードを選択する。通常印刷モードが選択された場合(ステップS3において通常印刷)、制御部2は通常印刷制御を行う(ステップS4)。具体的には、制御部2は、記憶部4から読み出した画像データに対して画質調整部5に画質調整処理を行わせ、画質調整後、印刷用画像生成部6により生成された画像21を印刷部7に印刷させる。通常印刷モードでは、図4に示す画像21のみが印刷され、印刷処理が終了すると、制御部2はこの制御を終了する。   A user selects a print mode via the operation unit 8. When the normal printing mode is selected (normal printing in step S3), the control unit 2 performs normal printing control (step S4). Specifically, the control unit 2 causes the image quality adjustment unit 5 to perform image quality adjustment processing on the image data read from the storage unit 4, and after the image quality adjustment, the image 21 generated by the print image generation unit 6 is displayed. Printing is performed by the printing unit 7. In the normal printing mode, only the image 21 shown in FIG. 4 is printed, and when the printing process is finished, the control unit 2 finishes this control.

一方、階調特性印刷モードが選択された場合(ステップS3において階調特性印刷)、制御部2は階調特性印刷制御を行う(ステップS5)。図3に示すように、階調特性印刷制御が開始されると、制御部2は、操作部8を介して設定された各画質調整値より階調特性を算出し(ステップS10)、算出した階調特性を用いて印刷用画像生成部6に階調特性印刷用画像23を生成させる(S11)。   On the other hand, when the gradation characteristic printing mode is selected (tone characteristic printing in step S3), the control unit 2 performs gradation characteristic printing control (step S5). As shown in FIG. 3, when the gradation characteristic printing control is started, the control unit 2 calculates the gradation characteristic from each image quality adjustment value set via the operation unit 8 (step S10). Using the gradation characteristics, the printing image generation unit 6 generates the gradation characteristics printing image 23 (S11).

印刷用画像生成部6により生成された階調特性印刷用画像23を印刷部7で印刷させて(ステップS12)、この制御を終了する。階調特性印刷モードでは、図5に示す階調特性印刷用画像23が印刷される。ここで、階調特性印刷用画像23として、画質調整後の階調特性と画質調整前の初期値の階調特性とを示す階調特性情報22がグラフの形で印刷される。   The gradation characteristic printing image 23 generated by the printing image generation unit 6 is printed by the printing unit 7 (step S12), and this control is finished. In the gradation characteristic printing mode, the gradation characteristic printing image 23 shown in FIG. 5 is printed. Here, as the gradation characteristic printing image 23, gradation characteristic information 22 indicating the gradation characteristic after image quality adjustment and the initial value gradation characteristic before image quality adjustment is printed in the form of a graph.

なお、階調特性印刷用画像23として、図6に示すように、画質調整後の階調特性と画質調整前の初期値の階調特性とを示す階調特性情報22が表の形で印刷されてもよいし、図7に示すように、画像21とともに、階調特性情報22がグラフまたは表の形で印刷されてもよい。また、階調特性情報22として画質調整後の階調特性のみが印刷されてもよい。さらに、表は全階調の階調特性を示してもよいし、階調特性が判別できる適当な数階調のみを示してもよい。   As the gradation characteristic printing image 23, as shown in FIG. 6, gradation characteristic information 22 indicating the gradation characteristic after image quality adjustment and the initial value gradation characteristic before image quality adjustment is printed in the form of a table. Alternatively, as shown in FIG. 7, the gradation characteristic information 22 may be printed together with the image 21 in the form of a graph or a table. Further, only the gradation characteristics after image quality adjustment may be printed as the gradation characteristic information 22. Further, the table may show the gradation characteristics of all gradations, or may show only a suitable number of gradations for which the gradation characteristics can be discriminated.

本実施の形態に係るプリンタ1では、任意の設定において画質調整部5による画質調整後の階調特性情報22を印刷するため、利用者は画質調整後の階調特性を知ることができる。このため、飽和等により階調の一部が失われる等の調整不良が発生した場合、利用者は容易に調整不良を確認することができる。これにより、利用者は階調欠落のない最適な画質調整を行なうことができる。   In the printer 1 according to the present embodiment, the tone characteristic information 22 after the image quality adjustment by the image quality adjustment unit 5 is printed at an arbitrary setting, so that the user can know the tone characteristics after the image quality adjustment. For this reason, when an adjustment failure such as part of the gradation being lost due to saturation or the like occurs, the user can easily confirm the adjustment failure. As a result, the user can perform an optimum image quality adjustment without any missing gradation.

また、階調特性情報22は、画質調整前の初期値の階調特性を含むため、利用者は画質調整前後の階調特性を比較することで、画質調整に対する効果と弊害を容易に確認することができる。   Further, since the gradation characteristic information 22 includes the gradation characteristic of the initial value before the image quality adjustment, the user can easily confirm the effect and adverse effect on the image quality adjustment by comparing the gradation characteristics before and after the image quality adjustment. be able to.

また、印刷部7は、階調特性情報22とともに画像21を印刷するため、利用者は階調特性情報22と画像21とを見比べながら最適な画質調整を行うことができる。さらに、階調特性情報22は、グラフまたは表の形で印刷されるため、利用者は階調特性を視覚的に容易に認識することができる。   Further, since the printing unit 7 prints the image 21 together with the gradation characteristic information 22, the user can perform optimum image quality adjustment while comparing the gradation characteristic information 22 and the image 21. Furthermore, since the gradation characteristic information 22 is printed in the form of a graph or a table, the user can easily recognize the gradation characteristic visually.

なお、本発明は、その発明の範囲内において、実施の形態を適宜、変形、省略することが可能である。   In the present invention, the embodiments can be appropriately modified and omitted within the scope of the invention.

1 プリンタ、5 画質調整部、7 印刷部、21 画像、22 階調特性情報。   1 printer, 5 image quality adjustment section, 7 printing section, 21 images, 22 gradation characteristic information.

Claims (4)

入力された画像データに基づいて印刷される画像の画質を設定変更自在に調整する画質調整手段と、
任意の設定において前記画質調整手段による画質調整後の階調特性を示す階調特性情報を印刷する印刷手段と、
を、備えたプリンタ。
Image quality adjusting means for adjusting the image quality of an image to be printed based on input image data, the setting being freely changeable;
Printing means for printing gradation characteristic information indicating gradation characteristics after image quality adjustment by the image quality adjustment means in an arbitrary setting;
Equipped with a printer.
前記階調特性情報は、画質調整前の初期値の階調特性を含む、請求項1記載のプリンタ。   The printer according to claim 1, wherein the gradation characteristic information includes an initial gradation characteristic before image quality adjustment. 前記印刷手段は、前記階調特性情報とともに前記画像を印刷する、請求項1または請求項2記載のプリンタ。   The printer according to claim 1, wherein the printing unit prints the image together with the gradation characteristic information. 前記階調特性情報は、グラフまたは表の形で印刷される、請求項1〜3のいずれか1つに記載のプリンタ。   The printer according to claim 1, wherein the gradation characteristic information is printed in the form of a graph or a table.
JP2012089995A 2012-04-11 2012-04-11 Printer Pending JP2013216037A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000141772A (en) * 1998-11-18 2000-05-23 Dainippon Screen Mfg Co Ltd Print controller, print control method and recording medium
JP2007251573A (en) * 2006-03-15 2007-09-27 Ricoh Co Ltd Image processor and image processing method
JP2011120029A (en) * 2009-12-04 2011-06-16 Mitsubishi Electric Corp Image forming apparatus, and method of adjusting image quality
JP2011138447A (en) * 2010-01-04 2011-07-14 Konica Minolta Business Technologies Inc System and apparatus for processing image, image forming apparatus and program

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000141772A (en) * 1998-11-18 2000-05-23 Dainippon Screen Mfg Co Ltd Print controller, print control method and recording medium
JP2007251573A (en) * 2006-03-15 2007-09-27 Ricoh Co Ltd Image processor and image processing method
JP2011120029A (en) * 2009-12-04 2011-06-16 Mitsubishi Electric Corp Image forming apparatus, and method of adjusting image quality
JP2011138447A (en) * 2010-01-04 2011-07-14 Konica Minolta Business Technologies Inc System and apparatus for processing image, image forming apparatus and program

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