Pixels to Pictures
Introduction
Introduction
3 steps
1 pixel Hexadecimal Red-Green-Blue Colors from 0-255 17 million colors More pixels = better Two parts of a file Overview Options Pixel positions Pixel values Brightness Brightness example Contrast Contrast example Color Color example ND grad Sharpen Blur Acquiring an image Scanners Scanner specs Resolution Bit depth & DMAX Other Digital cameras Sensor types Digicam pixels Four into one Interpolation More sensors Print size Output What is resolution? Dots vs. pixels Printer resolution Output resolution Print size 2 Enlarging Formats Conclusion Links Software
From Pixels to Pictures
Digital imaging involves three steps:
• Image capture - Using a digital camera or scanner
• Image storage/manipulation - Using a computer
• Image output - Using printer or computer monitor
We're going to begin with the middle phase, the computer.
It's where the requirements for input and output are defined. It's the hub, or center, around which the action revolves.
