MIL-HDBK-1300A
ew. |
YCbCr |
Y = Brightness of signal, Cb = Chrominance (blue), |
ex. |
YCM |
Cr = Chrominance (red) Yellow, Cyan, Magenta |
ey. |
YIQ |
Intensity, Inphase, Quadrature |
3.3 Definition of terms. The definitions used in the NITFS documentation are defined as follows:
a. Abbreviated format - A representation of compressed image data that is missing some or all of the table specifications required for decoding.
b. AC coefficient - Any Discrete Cosine Transform (DCT) coefficient for which the frequency is not zero in at least one dimension.
c. Address - 1. In communications, the coded representation of the source or destination of a message. 2. In data processing, a character or group of characters that identifies a register, a particular part of storage, or some other data source or destination. 3. To assign to a device or item of data a label to identify its location. 4. The part of a selection signal that indicates the destination of a call. 5. To refer to a device or data item by its address.
d. Aliasing - An undesirable phenomenon that generates artifacts when a signal is sampled at less than twice the rate of the highest frequency contained in the signal.
e. Alphanumeric - For the purpose of MIL-STD-2500A, fields that may contain any printable American Standard Code for Information Interchange (ASCII) characters (including punctuation marks) are indicated as "Alphanumeric" in the Value Range specification. The reader is warned that this is a nonstandard use of the term. The allowable range of values for numeric fields typically is indicated in the form N-M, where N and M are the minimum and maximum values, respectively.
f. American Standard Code for Information Interchange (ASCII) - The standard code, using a coded character set consisting of 7-bit coded characters (8 bits including parity check), used for information interchange among data processing systems, data communications systems, and associated equipment.
g. Arithmetic decoder - An embodiment of an arithmetic decoding procedure.
h. Arithmetic decoding - An entropy decoding procedure that recovers the sequence of symbols from the sequence of bits produced by the arithmetic encoder.
i. Arithmetic encoder - An embodiment of an arithmetic encoding procedure.
J. Arithmetic encoding - An entropy encoding procedure that codes by means of a recursive subdivision of the probability of the sequence of symbols coded up to that point.
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