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DIFFERENTIAL PCM CODING [1 record]
Record 1 - internal organization data 1995-03-06
Record 1, English
Record 1, Subject field(s)
- Computer Graphics
- Codes (Software)
Record 1, Main entry term, English
- differential pulse-coded modulation coding
1, record 1, English, differential%20pulse%2Dcoded%20modulation%20coding
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- DPCM coding 1, record 1, English, DPCM%20coding
correct
- differential PCM coding 2, record 1, English, differential%20PCM%20coding
correct, proposal, see observation
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
DPCM. The simplest form of predictive compression operates at the pixel level with a technique called differential PCM (DPCM). In DPCM, we compare adjacent pixels and then transmit only the difference between them. Because adjacent pixels often are similar, the difference values have a high probability of being small and they can safely be transmitted with fewer bits than it would take to send a whole new pixel. 3, record 1, English, - differential%20pulse%2Dcoded%20modulation%20coding
Record 1, French
Record 1, Domaine(s)
- Infographie
- Codes (Logiciels)
Record 1, Main entry term, French
- codage DPCM
1, record 1, French, codage%20DPCM
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- codage Delta PCM 1, record 1, French, codage%20Delta%20PCM
correct, masculine noun
- modulation PCM 1, record 1, French, modulation%20PCM
feminine noun
- codage MIC différentiel 2, record 1, French, codage%20MIC%20diff%C3%A9rentiel
correct, masculine noun
- codage MIC D 2, record 1, French, codage%20MIC%20D
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Le codage MIC différentiel (MIC D) consiste à ne transmettre d'une image que les éléments qui ont changé par rapport à la précédente. 3, record 1, French, - codage%20DPCM
Record number: 1, Textual support number: 2 CONT
Le codage DPCM (Delta PCM ou modulation Delta) permet de réduire l'encombrement en codant la différence entre les valeurs successives échantillonnées et non plus les valeurs elles-mêmes. Le nombre de bits nécessaire pour le codage est moindre. 1, record 1, French, - codage%20DPCM
Record 1, Spanish
Record 1, Textual support, Spanish
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