Exploració per tema "Image compression"
Ara es mostren els items 1-19 de 19
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3D Television - State of the art
(Universitat Politècnica de Catalunya / AGH University of Science and Technology, 2012-03-24)
Projecte/Treball Final de Carrera
Accés obert
Realitzat a/amb: Akademia Górniczo-Hutnicza im. S. Staszica w Krakowie[ANGLÈS] Multiview videos are large and require a high bitrate for playback. The need to compress this type of information has made the development of a new compression method called multiview coding. This format uses the ... -
Accurate multi-modal image registration using compression
(IADIS Press, 2011)
Text en actes de congrés
Accés restringit per política de l'editorialImage registration is an important task in medicine, especially when images have been acquired by different scanner/sensor types, since they provide information on different body structures (bones, muscles, vessels...). ... -
An efficient implementation of the FAPEC compression algorithm in the CCSDS image standard
(Universitat Politècnica de Catalunya, 2012-06-26)
Projecte/Treball Final de Carrera
Accés obert[ANGLÈS] The implementation of an efficient image compressor using the FAPEC coder in the CCSDS image data compression standard (122.0). -
Calidad de Imagen de los Archivos JPEG
(Universitat Politècnica de Catalunya, 2012)
Treball Final de Grau
Accés restringit per acord de confidencialitat -
Caracterización e implementación de algoritmos de compresión en la GPU ATILA
(Universitat Politècnica de Catalunya, 2008-01-31)
Projecte/Treball Final de Carrera
Accés obertEstudio sobre la organización y el funcionamiento global de los sistemas de software y hardware de generación de gráficos 3D y la arquitectura hardware de la GPU ATILA, relatando los problemas relacionados con la calidad ... -
Compressed sensing and approximate message passing for the single-pixel camera
(Universitat Politècnica de Catalunya, 2018-06)
Treball Final de Grau
Accés obertThis thesis is based on the technology of Compressed Sensing and the study of the algorithms of Approximate Message Passing for the single-pixel camera. This thesis has been developed in the institute of telecommunication ... -
Création d'une prototype pour gérer images satellitaires sur le cloud
(Universitat Politècnica de Catalunya, 2013-05-14)
Projecte/Treball Final de Carrera
Accés obert
Realitzat a/amb: École nationale supérieure des télécommunications[ANGLÈS] Developing a prototype to store large images with the purpose of demonstrate that is possible display larges images from limited-resources devices for example: smartphones or tablets. Besides of the storage, the ... -
Deep Colorization networks for image compression
(Universitat Politècnica de Catalunya, 2021-06-30)
Treball Final de Grau
Accés obertConsidering the billions of pictures stored world wide and the rising of streaming services, image compression is, nowadays, a very important field. In this TFG we propose a lossless framework to compress images that takes ... -
Design of a new 3D multi-view representation
(Universitat Politècnica de Catalunya, 2013-07-18)
Treball Final de Grau
Accés obert
Realitzat a/amb: École polytechnique fédérale de Lausanne[ANGLÈS] 3D video is increasing in the current State-of-the-Art of audio-visual tech- nologies. This make researchers invest lot of resources to this field. Thus, new options in this scenario are appearing day by day. This ... -
Embedding images in partially encrypted JPEG images
(Universitat Politècnica de Catalunya, 2016-05-26)
Treball Final de Grau
Accés obertThis thesis presents an algorithm and implementation to embed images into partially encrypted JPEG images by combining the information of both images. These partially encrypted JPEG images have been encrypted using the ... -
Image and radio-frequency data compression for OPS-SAT using FAPEC
(2022)
Text en actes de congrés
Accés obertOPS-SAT is an ESA technology demonstration cubesat which includes a colour camera, a Software Defined Radio (SDR) receiver and a powerful ARM processor. One of the experiments executed there is FAPEC, a high-performance ... -
Image data compression with FAPEC
(Universitat Politècnica de Catalunya, 2014-07-04)
Projecte Final de Màster Oficial
Accés obertSatellite data compression is very important for scientific missions, which often send large amounts of data during operations. Modern examples are Euclid, Solar Orbiter and the several Earth observation missions. However, ... -
Locally-adaptive texture compression
(2009)
Text en actes de congrés
Accés restringit per política de l'editorialCurrent schemes for texture compression fail to exploit spatial coherence in an adaptive manner due to the strict efficiency constraints imposed by GPU-based, fragment-level decompression. In this paper we present a texture ... -
Modeling of contours in wavelet domain for generalized lifting image compression
(2009)
Text en actes de congrés
Accés obertThis paper introduces the design of context-based models of contours in the wavelet domain, which are used to construct generalized lifting (GL) mappings for image compression. The GL context-based mapping may significantly ... -
New Architecture for an Image Compression Algorithm for Embedded Systems
(Universitat Politècnica de Catalunya, 2023-10-18)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitatNew, cheaper, and more efficient SoC architectures appear year over year in the market. With this SoCs, HP Inc. develops new products trying to achieve cheaper costs and improve performance compared to previous products ... -
Privacy preserving photo sharing analysis and derived compression technique for images
(Universitat Politècnica de Catalunya / University of Southern California, 2013-12-19)
Projecte/Treball Final de Carrera
Accés obert
Realitzat a/amb: University of Southern California[ANGLÈS] The initial idea for my thesis was to analyse the algorithm to: find possible ways to attack the privacy component, figure out ways to apply filtering to the privacy enabled images or reduce the overall size of ... -
Semantic Segmentation in the Latent Representation
(Universitat Politècnica de Catalunya, 2022-10-05)
Projecte Final de Màster Oficial
Accés obert
Realitzat a/amb: École polytechnique fédérale de LausanneThis project proposes a method to merge image compression and semantic segmentation, in a single stage, for the foreground/background segmentation approach. This binary segmentation is based on the case of person segmentation, ... -
Stochastic vector quantization of images
(1997-11)
Article
Accés restringit per política de l'editorialOne of the most important steps in the vector quantization of images is the design of the codebook. The codebook is generally designed using the LBG algorithm, that is in essence a clustering algorithm which uses a large ... -
Study of machine learning techniques for image compression
(Universitat Politècnica de Catalunya, 2022-07-14)
Treball Final de Grau
Accés obertIn the age of the Internet and cloud-based applications, image compression has become increasingly important. Moreover, image processing has recently sparked the interest of technology companies as autonomous machines ...