Essays about: "jpeg"

Showing result 16 - 20 of 31 essays containing the word jpeg.

1. 16. Natural image distortions and optical character recognition accuracy

   University essay from KTH/Skolan för datavetenskap och kommunikation (CSC)

   Author : Filip Lundqvist; Olle Wallberg; [2016]
   Keywords : ;

   Abstract : Current state of the art optical character recognition tools are trained using high quality image datasets. In practical applications, natural images used for character recognition willnot always be of high quality. READ MORE

3. 17. Irreversible Compression of MRIImages using a Hybrid ArtificialNeural Network Approach

   University essay from KTH/Skolan för datavetenskap och kommunikation (CSC)

   Author : Andreas Jönsson; Daniel Cserhalmi; [2016]
   Keywords : ;

   Abstract : Medical Imagery (MI) has made much progress in the lasttwo decades. Making use of new modalities and improvedaccess to technologies, such as magnetic resonance imaging(MRI), has lead to an increasing amount of images andrelated medical data. READ MORE

4. 18. Pixel-based video coding

   University essay from Institutionen för informationsteknologi

   Author : Johannes Olsson Sandgren; [2014]
   Keywords : ;

   Abstract : This paper studies the possibilities of extending the pixel-based compression algorithm LOCO-I, used by the lossless and near lossless image compression standard JPEG-LS, introduced by the Joint Photographic Experts Group (JPEG) in 1999, to video sequences and very low bit-rates. Bitrates below 1 bit per pixel are achieved through skipping signaling when the prediction of a pixels sufficiently good. READ MORE

5. 19. Uncertainty comparison of Digital Elevation Models derived from different image file formats

   University essay from Högskolan i Gävle/Avdelningen för Industriell utveckling, IT och Samhällsbyggnad

   Author : Ted Spring; [2014]
   Keywords : UAV; UAS; DEM; RAW format;

   Abstract : Unmanned Aerial Systems (UAS) have become increasingly popular recently for surveying and mapping because of their efficiency in acquiring remotely sensed data in a short amount of time and the low cost associated with them. They are used to generate digital elevation models (DEM) derived from aerial photography for various purposes such as the documentation of cultural heritage sites, archaeological surveying or earthwork volume calculations. READ MORE

6. 20. Custom Lossless Compression and High-Quality Lossy Compression of White Blood Cell Microscopy Images for Display and Machine Learning Applications

   University essay from Lunds universitet/Matematik LTH

   Author : Terese Nilsson; Daniel Hamngren; [2013]
   Keywords : image compression; compression of medical images; blood cell microscopy; pca; regression analysis; discrete wavelet transform; reversible integer transform; lossy; lossless; lossy compression; lossless compression; Huffman; Huffman coding; image analysis; image processing; CFA; color filter array; bayer filter; Technology and Engineering; Mathematics and Statistics;

   Abstract : This master's thesis investigates both custom lossless compression and high-quality lossy compression of microscopy images of white blood cells produced by CellaVision's blood analysis systems. A number of different compression strategies have been developed and evaluated, all of which are taking advantage of the specific color filter array used in the sensor in the cameras in the analysis systems. READ MORE