Essays about: "data compression decompression"

Showing result 1 - 5 of 13 essays containing the words data compression decompression.

1. 1. Test Equipment for the LUCAS Chest Compression System: Incorporating Biomechanical Insights for Future Design Enhancements

   University essay from Lunds universitet/Avdelningen för Biomedicinsk teknik

   Author : Ester Pörtfors; Malin Svärdling; [2024]
   Keywords : Mechanical CPR; Cardiopulmonary Resuscitation; LUCAS Chest Compression System; Test Equipment; Chest Biomechanics; Chest Stiffness; Technology and Engineering;

   Abstract : The LUCAS Chest Compression System is a market leading mechanical cardiopulmonary resuscitation device, assisting medical professionals worldwide when treating patients with sudden cardiac arrest. The objective of this master thesis project was to develop a new, adjustable test equipment for the LUCAS device, allowing for tests on varying chest heights and stiffness levels. READ MORE

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

   University essay from Malmö universitet/Institutionen för datavetenskap och medieteknik (DVMT)

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

   Abstract : 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). READ MORE

4. 3. Representation and Efficient Computation of Sparse Matrix for Neural Networks in Customized Hardware

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Lihao Yan; [2022]
   Keywords : Convolutional neural networks; Sparse matrix representation; Model compression; Algorithm-hardware co-design; AlexNet; Konvolutionella neurala nätverk; Sparsam matrisrepresentation; Modellkomprimering; Algoritm-hårdvarusamdesign; AlexNet;

   Abstract : Deep Neural Networks are widely applied to various kinds of fields nowadays. However, hundreds of thousands of neurons in each layer result in intensive memory storage requirement and a massive number of operations, making it difficult to employ deep neural networks on mobile devices where the hardware resources are limited. READ MORE

5. 4. Rock Magnetic Studies of Magnetite and Quartzite: Results at Ambient Conditions and From Diamond Anvil Pressure Experiments (~2 GPa)

   University essay from Uppsala universitet/Geofysik

   Author : Dimitra Daniil; [2021]
   Keywords : magnetic susceptibility; remanent magnetization; mDAC; AF demagnetization; NRM; IRM; ARM; magnetisk susceptibilitet; magnetisk remanens; mDAC; AF demagnetisering; NRM; IRM; ARM;

   Abstract : Numerous techniques are used to study the magnetic history and properties of rocks, which provides important data on the Earth’s interior. In this study we conducted a series of experiments on two different sample sets, comprising pure magnetite (Set1) and a mixture of magnetite-hemoilmenite-bearing quartzite (Set2), in order to gather information about their magnetic susceptibility and remanent magnetization. READ MORE

6. 5. Compression and Decompression of Color MRI Image by Huffman Coding

   University essay from Blekinge Tekniska Högskola/Institutionen för tillämpad signalbehandling

   Author : Xin Zou; [2018]
   Keywords : ;

   Abstract : MRI image (Magnetic Resonance Imaging) as a universal body checkup method in modern medicine. It can help doctors to analyze the condition of patients as soon as possible. As the medical images, the MRI images have high quality and a large amount of data, which requires more transmission time and larger storage capacity. READ MORE