the advantage of digital photography
DESCRIPTION
Digital Photography revolusioned three main areas of photography; capture, processing and output.Digital technology means these are subject to exponential improvement due to Moore's Law. We examine it's recent impact on photography and look to the near future.TRANSCRIPT
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THE ADVANTAGE OF DIGITAL PHOTOGRAPHY
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DIGITAL REVOLUTIONISED THREE AREAS OF PHOTOGRAPHY
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BUT FIRST ... WHAT IS DIGITAL PHOTOGRAPHY?
LET’S EXAMINE THE
DIFFERENCES
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ANALOGUE PHOTOGRAPHY
• Images are:
• captured and recorded to film
• developed and processed in the darkroom
• printed chemically or projected
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DIGITAL PHOTOGRAPHY
• Images are:
• captured by a sensor and recorded to a memory card
• developed and processed in software like Photoshop
• rarely printed but often shared on the internet
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THREE AREAS WERE REVOLUTIONISED
1.CAPTURE
2.PROCESSING
3.OUTPUT
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WHAT’S SPECIAL ABOUT DIGITAL?
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DIGITAL PROCESSING IS POWERED BY INTEGRATED CIRCUITS
THESE ARE
THE MOTORS OF THE DIGITAL
AGE
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MOORE’S LAW
GORDON MOORE, INTEL CO-FOUNDER
1965
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THE NUMBER OF COMPONENTS IN AN INTEGRATED CIRCUIT DOUBLES EVERY TWO YEARS
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WHAT DOES THAT MEAN?
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THE NUMBER OF COMPONENTS ≈
THE PROCESSING POWER
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MORE COMPONENTS ≈
SMALLER COMPONENTS
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SMALL COMPONENTS ≈
SMALLER PROCESSORS
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SMALLER PROCESSORS ≈
FASTER PROCESSORS AND
CHEAPER PROCESSORS
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DOUBLES EVERY TWO
YEARS?
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THE PROCESSOR YOU CAN BUY IN TWO YEARS WILL BE
TWICE AS FAST
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THE PROCESSOR YOU CAN BUY IN FOUR YEARS WILL BE
FOUR TIMES AS FAST
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THE PROCESSOR YOU CAN BUY IN SIX YEARS WILL BE EIGHT
TIMES AS FAST
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THE PROCESSOR YOU CAN BUY IN EIGHT YEARS WILL BE SIXTEEN TIMES AS FAST
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EXPONENTIAL IMPROVEMENT
Components
Time
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THIS IS EXPONENTIAL
IMPROVEMENT THAT AFFECTS EVERYTHING DIGITAL
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THE THREE PHOTOGRAPHIC AREAS
1.CAPTURE
2.PROCESSING
3.OUTPUT
IMPROVING
EXPONENTIALLY
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CAPTURE
• More megapixels
• Greater dynamic range
• Greater ISO sensitivity
• Less noise
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PROCESSING
• Faster computers
• Cheaper computers
• More powerful software
• Cheaper software
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OUTPUT
• Better screens - approaching print DPI
• Easier to share images
• Millions of pictures uploaded to the internet each day
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RECENT HISTORY
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FLICKR’S MOST POPULAR CAMERA 2006
• Canon 350D
• Released: 2005
• Cost: €1099 RRP
• 8 megapixel stills
• Capture Only
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FLICKR’S MOST POPULAR CAMERA 2012
• Apple iPhone 4
• Released: 2011
• Cost: £424.68
• 5 megapixel stills, HDR
• HD (720p) video
• Capture, Process, Output
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ONE YEAR OF IMPROVEMENT…
• Apple iPhone 4S
• Released: 2012
• Cost: £424.68
• 8 megapixel stills, HDR
• HD (1080p) video
• Capture, Process, Output
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CANON 600D
• Canon 600D
• Released: 2011
• Cost: €749 RRP
• 18 megapixel stills
• HD (1080p) video
• Capture Only
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CAMERAS GET BETTER AND BETTER
AS TIME PASSES
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CAMERAS GET SMALLER AND SMALLER
AS TIME PASSES
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CAMERAS GET CHEAPER AND CHEAPER
AS TIME PASSES
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CAMERAS ARE EVERYWHERE
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EVERYONE HAS A CAMERA
• High quality cameras now come free with mobile phones
• People can process their images without using a computer
• People can instantly share their images with their friends
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PEOPLE TAKE MORE PHOTOGRAPHS THAN EVER BEFORE
• Everything is documented - not just special occasions
• 250 million photographs are uploaded to Facebook every day
• Out of the estimated 3.5 trillion photos ever taken a whole 10% of them were taken in the past 12 months
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CAMERAS ARE GETTING BETTER
SMALLER AND CHEAPER
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THE NEAR FUTURE
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IMPROVEMENTS IN CAPTURE
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LIGHT FIELD CAMERAS
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LYTRO
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RECORDS LIGHT AND INTENSITY
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IMAGES ARE FOCUSED ONTO THE FILM PLANE
USING THE FOCUS RING BEFORE CAPTURE
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RECORDS LIGHT, INTENSITY AND DIRECTION
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WITH DIRECTION FOCUS CAN BE MADE AFTER
CAPTURE
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LET’S SEE THAT AGAIN
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CURRENT DISADVANTAGES
• The image is interactive, cannot be printed
• Capturing the direction of light requires a more complex and larger sensor
• Images currently limited to 1.2 megapixels
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IMPROVEMENTS IN PROCESSING
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CONTENT AWARE MOVE PHOTOSHOP CS6
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View video demo from Adobe at
http://www.youtube.com/watch?v=UrlsnQ32YhY
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IMPROVEMENTS IN OUTPUT
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RETINA DISPLAY
• Super high resolution screens
• More pixels than a 1080p HD television on a 9.7 inch display
• 264 pixels per inch, almost print like
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SOCIAL NETWORKS
• Facebook - 100 billion photos
• Flickr - 6 billion photos
• Instagram - 150 million photos
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THE ADVANTAGE OF DIGITAL PHOTOGRAPHY?
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MOORE’S LAW
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THE THREE AREAS OF EXPONENTIAL IMPROVEMENT
1.CAPTURE
2.PROCESSING
3.OUTPUT
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QUESTIONS?