Sökning: "compression algorithm"

Visar resultat 1 - 5 av 102 uppsatser innehållade orden compression algorithm.

  1. 1. Jämförelse av datakomprimeringsalgoritmer för sensordata i motorstyrenheter

    M1-uppsats, KTH/Hälsoinformatik och logistik

    Författare :Malin Möller; Dominique Persson; [2023]
    Nyckelord :data compression; time-series data; embedded systems; engine control units; inverters; datakomprimering; tidsseriedata; inbyggda system; motorstyrenheter; växelriktare;

    Sammanfattning : Begränsad processor- och minneskapacitet är en stor utmaning för loggning avsensorsignaler i motorstyrenheter. För att kunna lagra större mängder data i dessakan komprimering användas. LÄS MER

  3. 2. Compact Representations of State Sets in State Space Search

    Master-uppsats, Linköpings universitet/Institutionen för datavetenskap

    Författare :Hugo Axandersson; [2023]
    Nyckelord :State Space Search; Planning; Closed list; Open list; Memory compact; Level-Ordered Edge Sequence LOES ;

    Sammanfattning : Modern day technological advancements are moving at a rapid pace. In the field of Artificial Intelligence, algorithms are becoming ever faster and process larger amounts of data. These fast algorithms call for data structures that can store this processed data compactly. This premise also holds true in the AI subfield of planning. LÄS MER

  4. 3. Compression Selection for Columnar Data using Machine-Learning and Feature Engineering

    Master-uppsats, Malmö universitet/Institutionen för datavetenskap och medieteknik (DVMT)

    Författare :Douglas Persson; Ludvig Juelsson Larsen; [2023]
    Nyckelord :Machine Learning; XGBoost; Classification; Feature Engineering; Compression Algorithms; Data Encodings; Database Management System DBMS ; Column- Oriented DBMS;

    Sammanfattning : There is a continuously growing demand for improved solutions that provide both efficient storage and efficient retrieval of big data for analytical purposes. This thesis researches the use of machine-learning together with feature engineering to recommend the most cost-effective compression algorithm and encoding combination for columns in a columnar database management system (DBMS). LÄS MER

  5. 4. Comparison of lossy and lossless compression algorithms for time series data in the Internet of Vehicles

    Master-uppsats, Linköpings universitet/Institutionen för datavetenskap

    Författare :Joseph Hughes; [2023]
    Nyckelord :Data compression; Lossy compression; Lossless compression; Time series; Internet of Vehicles;

    Sammanfattning : As automotive development advances, connectivity features are continually added to vehicles that, in conjunction, form an Internet of Vehicles. For numerous reasons, it is vital for vehicle manufacturers to collect telemetry from their fleets. LÄS MER

  7. 5. Compression's effect on end-to-end latency in file upload systems that utilize encryption

    Kandidat-uppsats, Umeå universitet/Institutionen för datavetenskap

    Författare :Kristoffer Zaar; [2023]
    Nyckelord :Encryption; Compression; Latency; Web-Based systems;

    Sammanfattning : Encryption is the process of obfuscating data to restrict access to it while allowing it to be returned to its original non-obfuscated form through decryption. This process is increasingly used within web-based systems to secure data. LÄS MER