Sökning: "universal source coding"

Hittade 2 avhandlingar innehållade orden universal source coding.

  1. 1. A Universal Source Coding Perspective on PPM

    Författare :Jan Åberg; Institutionen för elektro- och informationsteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; coding with side information; multinomial estimation; maximum probability codes; MDL estimation; PPM; hierarchical source coding; universal source coding; text compression; lossless data compression; Automation; robotics; control engineering; Automatiska system; robotteknik; reglerteknik;

    Sammanfattning : The PPM (Prediction by Partial Matching) family of text compression algorithms has several members that have shown to be very efficient in practice. This thesis treats PPM algorithms from an information-theoretical point of view, based on results and methods from universal source coding theory. LÄS MER

  3. 2. Evidencialidad : La codificación lingüística del punto de vista

    Författare :Fernando Wachtmeister Bermúdez; Lars Fant; Johan Pedersen; Stockholms universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; evidentiality; epistemic modality; clitic climbing; subject-raising; Spanish; deixis; perspective; point-of-view; Cognitive Grammar; tense; consecutivity; grammaticalisation; discourse markers; Spanish language; Spanska språket;

    Sammanfattning : This work investigates into the semantic domain of evidentiality and its grammatical expression in Spanish. A model for describing the evidentiality domain is outlined, which emphasises the scalar nature of the proposed parameters: information source (subject-internal ↔ external), access to information (exclusive ↔ universal) and mode of access (sensory ↔ cognitive), all of which are construed as bipolar continua. LÄS MER