Digital Imaging
Provides a comprehensive practical guide to the entire digital chain, from capture -- with coverage of digital cameras, to output -- with extensive information on image adjustments and colour management.
TABLE OF CONTENTS Digital Imaging
Glossary
- Additive colour
- A colour system where the primaries of red, green and blue mix to form the other colours.
- Adjustment layers
- Image adjustment placed on a layer.
- Adobe gamma
- A calibration and profiling utility supplied with Photoshop.
- Algorithms
- A sequence of mathematical operations.
- Aliasing
- The display of a digital image where a curved line appears jagged due to the square pixels.
- Alpha channel
- Additional channel used for storing masks and selections.
- Analyse/Analysis
- To examine in detail.
- Anti-aliasing
- The process of smoothing the appearance of a curved line in a digital image.
- Aperture
- A circular opening in the lens that controls light reaching the film.
- Area arrays
- A rectangular pattern of light sensitive sensors alternately receptive to red, green or blue light.
- Artifacts
- Pixels that are significantly incorrect in their brightness or colour values.
- Aspect ratio
- The ratio of height to width. Usually in reference to the light sensitive area or format of the camera.
- Bit
- Short for binary digit, the basic unit of the binary language.
- Bit depth
- Number of bits (memory) assigned to recording colour or tonal information
- Bitmap
- A one-bit image, i.e. black and white (no shades of grey).
- Blend mode
- The formula used for defining the mixing of a layer with those beneath it.
- Brightness
- The value assigned to a pixel in the HSB model to define the relative lightness of a pixel.
- Byte
- 8 bits. The standard unit of binary data storage containing a value between 0 and 255.
- Captured
- A record of an...
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Copyright Mark Galer and Les Horvat 2001 under license agreement with Books24x7
