JP2013214260A5 - Document camera and image input system - Google Patents

Document camera and image input system Download PDF

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JP2013214260A5
JP2013214260A5 JP2012085206A JP2012085206A JP2013214260A5 JP 2013214260 A5 JP2013214260 A5 JP 2013214260A5 JP 2012085206 A JP2012085206 A JP 2012085206A JP 2012085206 A JP2012085206 A JP 2012085206A JP 2013214260 A5 JP2013214260 A5 JP 2013214260A5
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infrared
visible
infrared light
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［適用例１］本適用例に係る画像入力装置は、載置部に載置された原稿と、前記原稿上の位置を指示する指示体とを、ともに撮像し、前記撮像した撮像画像に基づく画像情報を画像表示装置に出力する書画カメラであって、可視光帯域の光および赤外光帯域の光を透過する透過フィルターと、当該透過フィルターを透過して入力された可視光および赤外光を撮像する撮像素子と、を有し、当該撮像素子により得られた撮像信号に基づく第１の画像情報を生成する撮像部と、前記第１の画像情報の可視光成分に対して画像処理を行い、可視画像情報を生成する可視画像処理部と、前記第１の画像情報の赤外光成分に対して画像処理を行い、赤外画像情報を生成する赤外画像処理部と、を備えることを特徴とする。
Application Example 1 An image input apparatus according to this application example images both a document placed on a placement unit and an indicator that indicates a position on the document, and is based on the captured image. A document camera that outputs image information to an image display device, a transmission filter that transmits light in a visible light band and light in an infrared light band, and visible light and infrared light that are input through the transmission filter An imaging device that generates first image information based on an imaging signal obtained by the imaging device, and image processing on the visible light component of the first image information A visible image processing unit that generates visible image information, and an infrared image processing unit that performs image processing on the infrared light component of the first image information and generates infrared image information. It is characterized by.

Claims (3)

載置部に載置された原稿と、前記原稿上の位置を指示する指示体とを、ともに撮像し、前記撮像した撮像画像に基づく画像情報を画像表示装置に出力する書画カメラであって、
可視光帯域の光および赤外光帯域の光を透過する透過フィルターと、当該透過フィルターを透過して入力された可視光および赤外光を撮像する単一の撮像素子と、を有し、当該撮像素子により得られた撮像信号に基づく第１の画像情報を生成する撮像部と、
前記第１の画像情報の可視光成分に対して画像処理を行い、可視画像情報を生成する可視画像処理部と、
前記第１の画像情報の赤外光成分に対して画像処理を行い、赤外画像情報を生成する赤外画像処理部と、
前記赤外画像情報を画像解析して、前記指示体から発せられる赤外光の位置を表す赤外光位置情報を検出する位置検出部と、
前記可視画像情報に対して、前記赤外光位置情報に対応する位置に所定の画像を付加した第２の画像情報を生成する画像付加部と、
前記第２の画像情報を前記画像表示装置に出力する画像出力部と、
を備えることを特徴とする書画カメラ。 A document camera that images both a document placed on a placement unit and an indicator that indicates a position on the document, and outputs image information based on the captured image to an image display device,
A transmission filter that transmits light in a visible light band and light in an infrared light band, and a single image sensor that images visible light and infrared light that are input through the transmission filter, and An imaging unit that generates first image information based on an imaging signal obtained by the imaging element;
A visible image processing unit that performs image processing on the visible light component of the first image information and generates visible image information;
An infrared image processing unit that performs image processing on the infrared light component of the first image information and generates infrared image information;
Analyzing the infrared image information to detect infrared light position information representing a position of infrared light emitted from the indicator;
An image adding unit that generates second image information in which a predetermined image is added to a position corresponding to the infrared light position information with respect to the visible image information;
An image output unit for outputting the second image information to the image display device;
Document camera characterized by comprising. 載置部に載置された原稿と、前記原稿上の位置を指示する指示体とを、ともに撮像し、前記撮像した撮像画像に基づく画像情報を画像表示装置に出力する書画カメラであって、
可視光帯域の光および赤外光帯域の光を透過する透過フィルターと、当該透過フィルターを透過して入力された可視光および赤外光を撮像する単一の撮像素子と、を有し、当該撮像素子により得られた撮像信号に基づく第１の画像情報を生成する撮像部と、
前記第１の画像情報の可視光成分に対して画像処理を行い、可視画像情報を生成する可視画像処理部と、
前記第１の画像情報の赤外光成分に対して画像処理を行い、赤外画像情報を生成する赤外画像処理部と、
前記赤外画像情報を画像解析して、前記指示体から発せられる赤外光の位置を表す赤外光位置情報を検出する位置検出部と、
前記可視画像情報に対して、前記指示体から発せられる赤外光の軌跡を表す軌跡画像を付加した第３の画像情報を生成する画像付加部と、
前記第３の画像情報を前記画像表示装置に出力する画像出力部と、
を備えることを特徴とする書画カメラ。 A document camera that images both a document placed on a placement unit and an indicator that indicates a position on the document, and outputs image information based on the captured image to an image display device,
A transmission filter that transmits light in a visible light band and light in an infrared light band, and a single image sensor that images visible light and infrared light that are input through the transmission filter, and An imaging unit that generates first image information based on an imaging signal obtained by the imaging element;
A visible image processing unit that performs image processing on the visible light component of the first image information and generates visible image information;
An infrared image processing unit that performs image processing on the infrared light component of the first image information and generates infrared image information;
Analyzing the infrared image information to detect infrared light position information representing a position of infrared light emitted from the indicator;
An image adding unit that generates third image information in which a locus image representing a locus of infrared light emitted from the indicator is added to the visible image information;
An image output unit for outputting the third image information to the image display device;
Document camera characterized by comprising. 請求項１または２に記載の書画カメラと、前記書画カメラから出力された前記第２の画像情報または前記第３の画像情報に基づく画像を表示する画像表示装置と、を備えることを特徴とする画像入力システム。 And document camera according to claim 1 or 2, characterized in that and an image display device for displaying an image based on the second image information or the third image information outputted from the document camera Image input system.
JP2012085206A 2012-04-04 2012-04-04 Image input device, image input system and control method of image input device Withdrawn JP2013214260A (en)

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JP6331561B2 (en) * 2014-03-27 2018-05-30 セイコーエプソン株式会社 Image projection device
JP7251095B2 (en) * 2018-10-22 2023-04-04 セイコーエプソン株式会社 POSITION DETECTION DEVICE, DISPLAY DEVICE, DISPLAY SYSTEM AND POSITION DETECTION METHOD
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JP2001005600A (en) * 1999-06-24 2001-01-12 Nec Corp Handwritten input method and handwritten input device and recording medium recording program for allowing computer to realize handwritten input processing
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JP2004032243A (en) * 2002-06-25 2004-01-29 Sanyo Electric Co Ltd Imaging apparatus and optical filter
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JP2004265185A (en) * 2003-03-03 2004-09-24 Canon Inc Image projecting device with camera/with digitizer
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