Baltasar Beferull-Lozano

Xabier Insausti, Fernando Camaro, Pedro M. Crespo, Baltasar Beferull-Lozano, Jesús Gutiérrez-Gutiérrez: Distributed Pseudo-Gossip Algorithm and Finite-Length Computational Codes for Efficient In-Network Subspace Projection. J. Sel. Topics Signal Processing 7(2): 163-174 (2013)

Aitor Erdozain, Pedro M. Crespo, Baltasar Beferull-Lozano: Multiple Description Analog Joint Source-Channel Coding to Exploit the Diversity in Parallel Channels. IEEE Transactions on Signal Processing 60(11): 5880-5892 (2012)

Aitor Erdozain, Pedro M. Crespo, Baltasar Beferull-Lozano: Optimum Distortion Exponent in Parallel Fading Channels by Using Analog Joint Source-Channel Coding Schemes. DCC 2012: 277-286

Xabier Insausti, Pedro M. Crespo, Baltasar Beferull-Lozano: Distributed Subspace Projection in Wireless Sensor Networks Using Computational Codes. DCOSS 2012: 116-123

Xabier Insausti, Pedro M. Crespo, Baltasar Beferull-Lozano: In-Network Computation of the Transition Matrix for Distributed Subspace Projection. DCOSS 2012: 124-131

Cesar Asensio-Marco, Baltasar Beferull-Lozano: Network Topology Optimization for Accelerating Consensus Algorithms under Power Constraints. DCOSS 2012: 224-229

Santosh Shah, Baltasar Beferull-Lozano: Power-Aware Joint Sensor Selection and Routing for Distributed Estimation: A Convex Optimization Approach. DCOSS 2012: 230-238

Santosh Shah, Baltasar Beferull-Lozano: In-Network Iterative Distributed Estimation for Power-Constrained Wireless Sensor Networks. DCOSS 2012: 239-246

Gustavo Hernandez-Penaloza, Baltasar Beferull-Lozano: Field estimation in wireless sensor networks using distributed kriging. ICC 2012: 724-729

Ibrahim Khalife, Baltasar Beferull-Lozano: Power-constrained sensor selection and routing for cooperative detection in cognitive radios. ICC 2012: 1560-1565

Xiaoge Huang, Baltasar Beferull-Lozano: Non-cooperative power allocation game with imperfect sensing information for cognitive radio. ICC 2012: 1666-1671

Gabriele Boccolini, Gustavo Hernandez-Penaloza, Baltasar Beferull-Lozano: Wireless sensor network for Spectrum Cartography based on Kriging interpolation. PIMRC 2012: 1565-1570

Santosh Shah, Baltasar Beferull-Lozano: In-Network Local Distributed Estimation for Power-Constrained Wireless Sensor Networks. VTC Spring 2012: 1-5

Baltasar Beferull-Lozano, Robert L. Konsbruck: On Source Coding for Distributed Temperature Sensing with Shift-Invariant Geometries. IEEE Transactions on Communications 59(4): 1053-1065 (2011)

Aitor Erdozain, Pedro M. Crespo, Baltasar Beferull-Lozano: Analog joint source-channel Multiple Description coding scheme over AWGN parallel channels. ICASSP 2011: 3044-3047

Xiaoge Huang, Baltasar Beferull-Lozano: Power allocation optimization in OFDM-based cognitive radios based on sensing information. ICASSP 2011: 3192-3195

Ibrahim Khalife, Baltasar Beferull-Lozano: Closed-Form Approximations for Cooperative LLR-Based Energy Detection in Cognitive Radios. ICC 2011: 1-5

Xabier Insausti, Pedro M. Crespo, Baltasar Beferull-Lozano, Javier Del Ser: Concurrent and Distributed Projection through Local Interference for Wireless Sensor Networks. MOBILIGHT 2011: 109-119

Theofanis P. Lambrou, Christos G. Panayiotou, Santiago Felici, Baltasar Beferull-Lozano: Exploiting Mobility for Efficient Coverage in Sparse Wireless Sensor Networks. Wireless Personal Communications 54(1): 187-201 (2010)

Xiaoge Huang, Baltasar Beferull-Lozano: Joint Optimization of Detection and Power Allocation for OFDM-Based Cognitive Radios. GLOBECOM 2010: 1-5

Cesar Asensio-Marco, Baltasar Beferull-Lozano: Accelerating Consensus Gossip Algorithms: Sparsifying Networks Can Be Good for You. ICC 2010: 1-5

George Tzagkarakis, Baltasar Beferull-Lozano, Panagiotis Tsakalides: Rotation-Invariant Texture Retrieval via Signature Alignment Based on Steerable Sub-Gaussian Modeling. IEEE Transactions on Image Processing 17(7): 1212-1225 (2008)

Vladan Velisavljevic, Baltasar Beferull-Lozano, Martin Vetterli: Space-Frequency Quantization for Image Compression With Directionlets. IEEE Transactions on Image Processing 16(7): 1761-1773 (2007)

Vladan Velisavljevic, Baltasar Beferull-Lozano, Martin Vetterli: Space-Frequency Quantization using Directionlets. ICIP (3) 2007: 161-164

Vladan Velisavljevic, Baltasar Beferull-Lozano, Martin Vetterli, Pier Luigi Dragotti: Directionlets: Anisotropic Multidirectional Representation With Separable Filtering. IEEE Transactions on Image Processing 15(7): 1916-1933 (2006)

George Tzagkarakis, Baltasar Beferull-Lozano, Panagiotis Tsakalides: Rotation-invariant texture retrieval with gaussianized steerable pyramids. IEEE Transactions on Image Processing 15(9): 2702-2718 (2006)

Razvan Cristescu, Baltasar Beferull-Lozano: Lossy network correlated data gathering with high-resolution coding. IEEE Transactions on Information Theory 52(6): 2817-2824 (2006)

Razvan Cristescu, Baltasar Beferull-Lozano, Martin Vetterli, Roger Wattenhofer: Network correlated data gathering with explicit communication: NP-completeness and algorithms. IEEE/ACM Trans. Netw. 14(1): 41-54 (2006)

Guillermo Barrenetxea, Baltasar Beferull-Lozano, Martin Vetterli: Lattice networks: capacity limits, optimal routing, and queueing behavior. IEEE/ACM Trans. Netw. 14(3): 492-505 (2006)

Guillermo Barrenetxea, Baltasar Beferull-Lozano, Martin Vetterli: Correction to "Lattice networks: Capacity limits, optimal routing, and queueing behavior". IEEE/ACM Trans. Netw. 14(5): 1150 (2006)

Deepak Ganesan, Razvan Cristescu, Baltasar Beferull-Lozano: Power-efficient sensor placement and transmission structure for data gathering under distortion constraints. TOSN 2(2): 155-181 (2006)

Ivana Jovanovic, Baltasar Beferull-Lozano: Oversampled A/D conversion and error-rate dependence of nonbandlimited signals with finite rate of innovation. IEEE Transactions on Signal Processing 54(6-1): 2140-2154 (2006)

Vladan Velisavljevic, Baltasar Beferull-Lozano, Martin Vetterli, Pier Luigi Dragotti: Low-Rate Reduced Complexity Image Compression using Directionlets. ICIP 2006: 1601-1604

Razvan Cristescu, Baltasar Beferull-Lozano, Martin Vetterli: Networked Slepian-Wolf: theory, algorithms, and scaling laws. IEEE Transactions on Information Theory 51(12): 4057-4073 (2005)

Vladan Velisavljevic, Baltasar Beferull-Lozano, Martin Vetterli, Pier Luigi Dragotti: Approximation power of directionlets. ICIP (1) 2005: 741-744

Enrico Baccaglini, Guillermo Barrenetxea, Baltasar Beferull-Lozano: Performance of Multiple Description Coding in Sensor Networks with Finite Buffers. ICME 2005: 1460-1463

Razvan Cristescu, Baltasar Beferull-Lozano: Lossy network correlated data gathering with high-resolution coding. IPSN 2005: 218-224

Guillermo Barrenetxea, Baltasar Beferull-Lozano, Martin Vetterli: Efficient routing with small buffers in dense networks. IPSN 2005: 277-284

Razvan Cristescu, Baltasar Beferull-Lozano, Martin Vetterli: Networked Slepian-Wolf: Theory and Algorithms. EWSN 2004: 44-59

Razvan Cristescu, Baltasar Beferull-Lozano, Martin Vetterli: On Network Correlated Data Gathering. INFOCOM 2004

Deepak Ganesan, Razvan Cristescu, Baltasar Beferull-Lozano: Power-efficient sensor placement and transmission structure for data gathering under distortion constraints. IPSN 2004: 142-150

Guillermo Barrenechea, Baltasar Beferull-Lozano, Martin Vetterli: Lattice sensor networks: capacity limits, optimal routing and robustness to failures. IPSN 2004: 186-195

Baltasar Beferull-Lozano, Robert L. Konsbruck, Martin Vetterli: Rate-distortion problem for physics based distributed sensing. IPSN 2004: 330-339

Baltasar Beferull-Lozano, Antonio Ortega: Efficient quantization for overcomplete expansions in R^N. IEEE Transactions on Information Theory 49(1): 129-150 (2003)

Baltasar Beferull-Lozano, Antonio Ortega, Hua Xie: Rotation-invariant features based on steerable transforms with an application to distributed image classification. ICIP (3) 2003: 521-524

Vladan Velisavljevic, Baltasar Beferull-Lozano, Martin Vetterli, Pier Luigi Dragotti: Discrete multidirectional wavelet bases. ICIP (1) 2003: 1025-1028

Pier Luigi Dragotti, Vladan Velisavljevic, Martin Vetterli, Baltasar Beferull-Lozano: Discrete directional wavelet bases for image compression. VCIP 2003: 1287-1295

Baltasar Beferull-Lozano: Quantization Design for Structured Overcomplete Expansions. University of Southern California 2002

Zoran Cvetkovic, Baltasar Beferull-Lozano, Andreas Buja: Robust phoneme discrimination using acoustic waveforms. ICASSP 2002: 317-320

Baltasar Beferull-Lozano, Antonio Ortega: Construction of Low Complexity Regular Quantizers for Overcomplete Expansions in R^N. Data Compression Conference 2001: 193-