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Resultados globales: 13 registros encontrados en 0.02 segundos.
Artículos, Encontrados 10 registros
Libros y colecciones, Encontrados 1 registros
Documentos de investigación, Encontrados 2 registros
Artículos Encontrados 10 registros  
1.
6 p, 3.0 MB Variable rate deep image compression with modulated autoencoder / Yang, Fei (Centre de Visió per Computador (Bellaterra, Catalunya)) ; Herranz, Luis (Centre de Visió per Computador (Bellaterra, Catalunya)) ; Weijer, Joost van de (Centre de Visió per Computador (Bellaterra, Catalunya)) ; Iglesias-Guitian, Jose A. (Centre de Visió per Computador (Bellaterra, Catalunya)) ; López Peña, Antonio M. (Universitat Autònoma de Barcelona. Departament de Ciències de la Computació) ; Mozerov, Mikhail G. (Centre de Visió per Computador (Bellaterra, Catalunya))
Variable rate is a requirement for flexible and adaptable image and video compression. However, deep image compression methods (DIC) are optimized for a single fixed rate-distortion (R-D) tradeoff. While this can be addressed by training multiple models for different tradeoffs, the memory requirements increase proportionally to the number of models. [...]
2020 - 10.1109/LSP.2020.2970539
IEEE signal processing letters, Vol. 27 (2020) , p. 331-335  
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2.
37 p, 542.1 KB Reassessing the problem of time of quantum gravity / Mozota Frauca, Álvaro (Universitat Autònoma de Barcelona. Departament de Filosofia)
In this paper I raise a worry about the most extended resolutions of the problem of time of canonical quantizations of general relativity. The reason for this is that these resolutions are based on analogies with deparametrizable models for which the problem can be solved, while I argue in this paper that there are good reasons for doubting about these resolutions when the theory is not deparametrizable, which is the case of general relativity. [...]
2023 - 10.1007/s10714-023-03067-x
General Relativity and Gravitation, Vol. 55, Issue 1 (January 2023) , art. 21  
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3.
22 p, 1.1 MB False discovery rate control for grouped or discretely supported p-values with application to a neuroimaging study / Nguyen, Hien (La Trobe University (Victòria, Austràlia). Department of Mathematics and Statistics) ; Yee, Yohan (Hospital for Sick Children (Toronto, Canadà). Mouse Imaging Centre) ; McLachlan, Geoffrey (University of Queensland. School of Mathematics and Physics) ; Lerch, Jason (Hospital for Sick Children (Toronto, Canadà). Mouse Imaging Centre)
False discovery rate (FDR) control is important in multiple testing scenarios that are common in neuroimaging experiments, and p-values from such experiments may often arise from some discretely supported distribution or may be grouped in some way. [...]
2019 - 10.2436/20.8080.02.87
SORT : statistics and operations research transactions, Vol. 43 Núm. 2 (July-December 2019) , p. 237-258  
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4.
30 p, 3.6 MB Conductance quantization in resistive random access memory / Li, Yang (Chinese Academy of Sciences. Institute of Microelectronics (Beijing)) ; Long, Shibing (Chinese Academy of Sciences. Institute of Microelectronics (Beijing)) ; Liu, Yang (University of Science and Technology Beijing. Department of Materials Physics and Chemistry) ; Hu, Chen (University of Science and Technology Beijing. Department of Materials Physics and Chemistry) ; Teng, Jiao (University of Science and Technology Beijing. Department of Materials Physics and Chemistry) ; Liu, Qi (Chinese Academy of Sciences. Institute of Microelectronics (Beijing)) ; Lv, Hangbing (Chinese Academy of Sciences. Institute of Microelectronics (Beijing)) ; Suñé, Jordi 1963- (Universitat Autònoma de Barcelona. Departament d'Enginyeria Electrònica) ; Liu, Ming (Chinese Academy of Sciences. Institute of Microelectronics (Beijing))
The intrinsic scaling-down ability, simple metal-insulator-metal (MIM) sandwich structure, excellent performances, and complementary metal-oxide-semiconductor (CMOS) technology-compatible fabrication processes make resistive random access memory (RRAM) one of the most promising candidates for the next-generation memory. [...]
2015 - 10.1186/s11671-015-1118-6
Nanoscale Research Letters, Vol. 10 (December 2015) , art. 420  
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5.
5 p, 1.1 MB Progressive lossy-to-lossless compression of DNA microarray images / Hernández-Cabronero, Miguel ; Blanes Garcia, Ian (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions) ; Pinho, Armando J. (University of Aveiro. Signal Processing Laboratory) ; Marcellin, Michael W. (University of Arizona. Department of Electrical and Computer Engineering) ; Serra Sagristà, Joan (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions)
The analysis techniques applied to DNA microarray images are under active development. As new techniques become available, it will be useful to apply them to existing microarray images to obtain more accurate results. [...]
2016 - 10.1109/LSP.2016.2547893
IEEE signal processing letters, Vol. 23, Issue 5 (May 2016) , p. 698-702  
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6.
5 p, 974.5 KB Cell-based 2-step scalar deadzone quantization for high bit-depth hyperspectral image coding / Bartrina Rapesta, Joan (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions) ; Aulí Llinàs, Francesc (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions)
Remote sensing images often need to be coded and/or transmitted with constrained computational resources. Among other features, such images commonly have high spatial, spectral, and bit-depth resolution, which may render difficult their handling. [...]
2015 - 10.1109/LGRS.2015.2436438
IEEE geoscience and remote sensing letter, Vol. 12 no. 9 (September 2015) p. 1893-1897  
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7.
11 p, 3.0 MB Analysis-driven lossy compression of DNA microarray images / Hernández Cabronero, Miguel (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions) ; Blanes Garcia, Ian (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions) ; Pinho, Armando J. (Universidade de Aveiro. DETI/IEETA) ; Marcellin, Michael W. (University of Arizona. Department of Electrical and Computer Engineering) ; Serra Sagristà, Joan (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions)
DNA microarrays are one of the fastest-growing new technologies in the field of genetic research, and DNA microarray images continue to grow in number and size. Since analysis techniques are under active and ongoing development, storage, transmission and sharing of DNA microarray images need be addressed, with compression playing a significant role. [...]
2016 - 10.1109/TMI.2015.2489262
Medical Imaging, IEEE Transactions, Vol. 35 Issue 2 (Feb. 2016) , p. 654-664  
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8.
15 p, 793.9 KB General embedded quantization for wavelet-based lossy image coding / Aulí Llinàs, Francesc (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions)
Embedded quantization is a mechanism employed by many lossy image codecs to progressively refine the distortion of a (transformed) image. Currently, the most common approach to do so in the context of wavelet-based image coding is to couple uniform scalar deadzone quantization (USDQ) with bitplane coding (BPC). [...]
2013 - 10.1109/TSP.2012.2236323
IEEE Transactions on Signal Processing, Vol. 61, Issue 6 (Mars 2013) , p. 1561-1574  
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9.
12 p, 424.2 KB 2-step scalar deadzone quantization for bitplane image coding / Aulí Llinàs, Francesc (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions)
Modern lossy image coding systems generate a quality progressive codestream that, truncated at increasing rates, produces an image with decreasing distortion. Quality progressivity is commonly provided by an embedded quantizer that employs uniform scalar deadzone quantization (USDQ) together with a bitplane coding strategy. [...]
2013 - 10.1109/TIP.2013.2277801
IEEE transactions on image processing, Vol. 22, Issue 12 (Dec. 2013) , p. 4678-4688  
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10.
17 p, 898.6 KB Automated classification of cricket pitch frames in cricket video / Bananki Jayanth, Sandesh (PESIT Bangalore South Campus. Department of Information Science and Engineering) ; Srinivasa, Gowri (PESIT Bangalore South Campus. Department of Information Science and Engineering)
The automated detection of the cricket pitch in a video recording of a cricket match is a fundamental step in content-based indexing and summarization of cricket videos. In this paper, we propose visualcontent based algorithms to automate the extraction of video frames with the cricket pitch in focus. [...]
2014 - 10.5565/rev/elcvia.570
ELCVIA : Electronic Letters on Computer Vision and Image Analysis, Vol. 13, Núm. 1 (2014) , p. 33-49  
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Libros y colecciones Encontrados 1 registros  
1.
7 p, 661.6 KB Training a binary weight object detector by knowledge transfer for autonomous driving / Xu, Jiaolong (Centre de Visió per Computador (Bellaterra, Catalunya)) ; Nie, Yiming (Unmanned Systems Research Center (Beining, Xina)) ; Wang, Peng (Unmanned Systems Research Center (Beining, Xina)) ; López Peña, Antonio M. (Centre de Visió per Computador (Bellaterra, Catalunya))
Autonomous driving has harsh requirements of small model size and energy efficiency, in order to enable the embedded system to achieve real-time on-board object detection. Recent deep convolutional neural network based object detectors have achieved state-of-the-art accuracy. [...]
Institute of Electrical and Electronics Engineers (IEEE), cop. 2019 - 10.1109/ICRA.2019.8793743
2019 International Conference on Robotics and Automation (ICRA), 2019, p. 2379-2384  
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Documentos de investigación Encontrados 2 registros  
1.
11 p, 494.8 KB Quantització avant la lettre / Lamas Pérez, José Manuel ; Serra Sagristà, Joan, dir. (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions) ; Universitat Autònoma de Barcelona. Escola d'Enginyeria
La compresión de datos es uno de los aspectos más importantes en un canal de comunicación, y con la ingente cantidad de información que se transmite y almacena hoy en día, se debe seguir investigando y renovando para poder adaptarse a nuevas dificultades. [...]
Data compression is one of the most important aspects of a communication channel, and with the enormous amount of information being transmitted and stored today, research and renewal must continue in order to adapt to new challenges. [...]
La compressió de dades és un dels aspectes més importants d'un canal de comunicació, i amb l'enorme quantitat d'informació que es transmet i emmagatzema avui dia, la recerca i la renovació han de continuar per adaptar-se als nous reptes. [...]
2023
Enginyeria Informàtica [958]  
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2.
9 p, 1.1 MB Mètodes d'eficiència aplicats a les xarxes neuronals / Bosch Sepulveda, David ; Serrat Gual, Joan, dir. (Universitat Autònoma de Barcelona. Departament de Ciències de la Computació) ; Universitat Autònoma de Barcelona. Escola d'Enginyeria
L'objectiu d'aquest projecte es basa en estudiar l'aplicació de mètodes d'eficiència sobre les xarxes neurals, els quals busquen rebaixar els requeriments computacionals necessaris per a processar una xarxa. [...]
The aim of the study relies on the research of the of known efficiency methods applied on a neural network that reduces the computational requirements for processing a network. Specifically, the pruning of connections and the quantization of the parameters. [...]
El objetivo de este trabajo se basa en estudiar la aplicación de métodos de eficiencia sobre las redes neuronales, los cuales buscan rebajar los requerimientos computacionales necesarios para processar una red. [...]
2018-02-13
Enginyeria Informàtica [958]  
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