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This glossary has been generated to serve the participating agencies as a standardized vocabulary for their deliberations and guidelines. The definitions are largely based on those in common use in the field. The glossary is a work in progress, and will be updated and expanded frequently. Suggestions are welcome.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Suggestions?- D50 D50 is a designated CIE standard illuminant repre ...
- D65 D65 is a designated CIE standard illuminant repres ...
- Data rate The number of bits that are conveyed or processed ...
- dB See Decibel
- De-mosaic interpolation An image processing operation that estimates, thro ...
- De-mosaicing See De-mosaic interpolation
- Decibel The decibel (dB) is a logarithmic unit of measurem ...
- Decibels relative to full scale The term dB FS (or dBFS) means decibels relative t ...
- Decoder An application or algorithm that decompresses data ...
- Defect An event or shortcoming that does not conform to s ...
- Delta E A color difference metric that is intended to corr ...
- Delta Sigma audio encoding (DSD) Process for sampling an input signal. In the realm ...
- Densitometer A device used to measure the amount of light refle ...
- Density Density can refer to either transmission density o ...
- Depth of focus The distance along the optical axis that remains w ...
- Derivative file Often called service, access, delivery, viewing, o ...
- Descriptive metadata See Metadata, descriptive
- Deskew An image processing method to correct the skew exh ...
- DICE Digital Image Conformance Evaluation. A software a ...
- Diffuse reflection See Reflection, diffuse
- Digital file At a high level of abstraction, a digital or compu ...
- Digital image The visual manifestation of a digitally encoded re ...
- Digital imaging The process of creating digital images. The term ...
- Digital negative See DNG
- Digital package The set of files that comprise all of the parts of ...
- Digital package part One part of a digital package. Like the package i ...
- Digitization The process of recording an analog signal in a dig ...
- Digitize See Digitization
- Direct Stream Digital (DSD) See Delta Sigma audio encoding (DSD)
- Distortion The alteration of the original shape (or other cha ...
- Distortion, geometric Distortion in which the true geometry of an object ...
- Distortion, intermodulation (audio) See Intermodulation distortion (audio)
- Distortion, radiometric Distortion exhibited by incorrect luminance values ...
- Distortion, total harmonic (audio) See Total harmonic distortion
- Dither Dither is intentionally applied noise that is inte ...
- Dithering See Dither
- Dmax / Dmin Dmax is an abbreviation for maximum density and Dm ...
- DNG Digital Negative (DNG) is a digital image file for ...
- Dots per inch See DPI
- Downsampling The reduction of an image's effective sampling fre ...
- DPI DPI stands for dots per inch, and was originally u ...
- DSD See Delta Sigma audio encoding (DSD)
- Duotone Duotones results from halftone-printing a pictoria ...
- Duplex See Duplex scanner
- Duplex scanner A scanner that is able to automatically copy both ...
- Duty cycle (scanner) This term generally refers to the percentage of ti ...
- Dynamic range Term used to describe the ratio between the smalle ...
- Dynamic thresholding See Thresholding, adaptive
See also Standard illuminant; Color temperature
See also Standard illuminant; Color temperature
See also Signal to noise ratio; Decibels relative to full scale
See also Decibel
See also Encoder
See also Artifact (defect); Distortion
See also LPCM
See also Spectrodensitometer
See also Densitometer
See also Production master file; Archival master file
See also Digital package; Digital package part
See also Digital package part; Digital file
See also Digital package; Digital file
See also Aliasing; Artifact (defect); Clipping; Defect; Distortion, geometric; Distortion, radiometric; Moiré pattern; Noise; Pixellation; Total harmonic distortion
See also Distortion
See also Distortion
See also Printed halftone
See also Sheetfed scanner; Automatic document feeder
See also Bit depth (image); Bit depth (audio); Decibel; Gamma; Gamma correction; High dynamic range imaging; Signal-to-noise ratio