Computer Science E-7 Exposing Digital...
Transcript of Computer Science E-7 Exposing Digital...
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Computer Science E-7Exposing Digital Photography
Lecture 1: Welcome!August 31, 2009
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Cameras Pinhole Cameras
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Cameras Pinhole cameras
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Cameras Single Lens Reflex (SLR)
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Cameras Non-SLRs
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Cameras Film Plane
Image from http://en.wikipedia.org/wiki/Single-lens_reflex_camera
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Cameras Location of the Focal Plane
Image from http://www.dpreview.com/reviews/canoneos40d/page7.asp
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Cameras Exposing SLRs
Image from Digital Photography Review, http://www.dpreview.com
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Cameras Exposing Dust
Photo by Dan Armendariz, 2007
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Cameras Exposing Dust
Photo by Dan Armendariz, 2007
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Cameras Exposing SLRs
Image from Digital Photography Review, http://www.dpreview.com
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Cameras Exposing SLRs
Image from CNET.co.uk: http://crave.cnet.co.uk/digitalcameras/0,39029429,49293172-1,00.htm
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Cameras Exposing SLRs
Image from CNET.co.uk: http://crave.cnet.co.uk/digitalcameras/0,39029429,49293172-5,00.htm
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Bits and Bytes Refresher
Bit 0 or 1
Byte 8 bits
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Bits and Bytes Refresher
Kilo- 1024 bytes
Mega-1024 kilobytes
(1,048,576 bytes)
Giga-1024 megabytes
(1,073,741,824 bytes)
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Bits and Bytes Photos
Photo by Dan Armendariz, 2007
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Bits and Bytes Photos
Photo by Dan Armendariz, 2007
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Bits and Bytes Colors
JPEG
Red Green Blue
8-bit 8-bit 8-bit
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Bits and Bytes Colors
16-bit TIFF
Red Green Blue
16-bit 16-bit 16-bit
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Bits & Bytes Compression
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Flag images from http://www.worldatlas.com/, copyright © Graphic Maps.
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Bits & Bytes Compression
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Images from Dennis P. Curtin, et al., Information Technology: The Breaking Wave, copyright ©The McGraw-Hill Companies, Inc.
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Bits & Bytes Lossless vs Lossy Compression
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Photo by Dan Armendariz, 2007
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Bits & Bytes File Types
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Name Compression Color Alpha
JPG Lossy 24-bit No
GIF Lossless 8-bit* Yes
PNG Lossless 24-bit Yes**
PSD Unknown (lossless) 48-bit Yes
TIFF Lossless 48-bit No* GIF contains an 8-bit palette (or subset of colors) from a 24-bit set of colors
** Some software does not properly display transparency in PNG files
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Computer Science E-7 Lectures
Lecture 1: Welcome!Lecture 2: Software Tools & LightLecture 3: ExposureLecture 4: Exposure (continued)Lecture 5: OpticsLecture 6: The HistogramLecture 7: Software Tools (continued)Lecture 8: Assignment SlideshowLecture 9: Digital CamerasLecture 10: Digital Cameras (continued)Lecture 11: ColorLecture 12: ArtifactsLecture 13: Even More Software ToolsLecture 14: Assignment Slideshow II
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Computer Science E-7 Expectations
Lectures4 Assignments1 Final Project0 Exams
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Computer Science E-7 Website
http://cse7.org/
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Computer Science E-7 Flickr
http://www.flickr.com/
http://www.flickr.com/groups/e7_2009
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Computer Science E-7 Cameras
Image from http://www.dpreview.com/reviews/panasonicfz8/
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Computer Science E-7 Similarity to Film
Image from http://en.wikipedia.org/wiki/35mm_film
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Photographs What makes a photo interesting?
Photo by Dan Armendariz, 2007
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Composition Rule of Thirds
Photo by Dan Armendariz, 2007
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Digital Photography An Expensive Hobby
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Computer Science E-7Exposing Digital Photography
Lecture 1: Welcome!August 31, 2009
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