1_4_capturedevices

1_4_capturedevices - Stephen Johnson Trees, Fitzgerald...

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Introduction to digital imaging IMAGE CAPTURE/INPUT Stephen Johnson Trees, Fitzgerald Reserve, 1994 BetterLight Digital Camera,
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IMAGE CAPTURE/INPUT ± Identifying the Original ± Capture Devices ± Digital Cameras ± Scanning backs ± Scanners ± Computer Hardware requirements
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IDENTIFYING THE ORIGINAL ± The source for your image will determine the digital capture method* ± Originals can come from different sources which may need to be converted to digital format Conventional photograph Flat art Video capture Screen capture Digital photo of scene/subject* Existing digital image file* *already digital
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IDENTIFYING THE ORIGINAL ± Conventional photographs* Film 35mm negatives, 4x5 and large format negatives, slide positives Original film needs to be scanned Prints Standard sizes (4x6, 5x7, 8x10, etc…) can be scanned Large format prints can be photographed with a scanning back camera
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IDENTIFYING THE ORIGINAL* ± Flat art* Small formats can be scanned, photographed with scanning back camera Large format should be photographed with scanning back Due to the fragile nature of some paintings, scanning is no longer recommended.
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IDENTIFYING THE ORIGINAL ± Video capture* Video can be digitized through a video capture card Special video card that allows a signal from a video camera or TV to be sent to your computer Signal can be analog and/or digital, depending on card The signal can be recorded with video capture software
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IDENTIFYING THE ORIGINAL ± Screen Capture Still shot of a computer screen Use special applications to capture low or high quality screenshots Shortcuts Windows – Press Print Screen button. Image is copied to memory Mac – Hold down Option+Shift+3, image is placed on desktop
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CAPTURE DEVICES ± The silicon sensor allows for the digital capture of originals Types of sensors Color handling Resolution Dynamic range ± The following digital capture devices are available: Digital camera Digital camera back Scanner
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CAPTURE DEVICES ± Types of sensors
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1_4_capturedevices - Stephen Johnson Trees, Fitzgerald...

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