Search Results - "Paredes, Jose L"

Refine Results
  1. 1

    Compressive Sensing Signal Reconstruction by Weighted Median Regression Estimates by Paredes, J L, Arce, G R

    Published in IEEE transactions on signal processing (01-06-2011)
    “…In this paper, we propose a simple and robust algorithm for compressive sensing (CS) signal reconstruction based on the weighted median (WM) operator. The…”
    Get full text
    Journal Article
  2. 2

    Quality factor estimation based on the peak frequency shift method using a robust Fourier transform to VSP data by Sandoval, Rómulo, Paredes, José L, Vivas, Flor A

    Published in Journal of geophysics and engineering (01-12-2019)
    “…Abstract Quality factor estimation (Q estimation) of vertical seismic profile (VSP) data are necessary for the process referred to as inverse Q-filtering,…”
    Get full text
    Journal Article
  3. 3

    A non-invasive method of quantifying pancreatic volume in mice using micro-MRI by Paredes, Jose L, Orabi, Abrahim I, Ahmad, Taimur, Benbourenane, Iman, Tobita, Kimimasa, Tadros, Sameh, Bae, Kyongtae T, Husain, Sohail Z

    Published in PloS one (18-03-2014)
    “…In experimental models of pancreatic growth and recovery, changes in pancreatic size are assessed by euthanizing a large cohort of animals at varying time…”
    Get full text
    Journal Article
  4. 4

    Review of outcomes of primary liver cancers in children: Our institutional experience with resection and transplantation by Malek, Marcus M., MD, Shah, Sohail R., MD, Atri, Prashant, BA, Paredes, Jose L., MD, DiCicco, Leigh Anne, BA, Sindhi, Rakesh, MD, Soltys, Kyle A., MD, Mazariegos, George V., MD, Kane, Timothy D., MD

    Published in Surgery (01-10-2010)
    “…Background Operative intervention plays an important role in the management of primary liver cancers in children. Recent improvements in diagnostic modalities,…”
    Get full text
    Journal Article
  5. 5

    Zero-Order Statistics: A Mathematical Framework for the Processing and Characterization of Very Impulsive Signals by Gonzalez, J.G., Paredes, J.L., Arce, G.R.

    Published in IEEE transactions on signal processing (01-10-2006)
    “…Impulsive or heavy-tailed processes with infinite variance appear naturally in a variety of practical problems that include wireless communications,…”
    Get full text
    Journal Article
  6. 6

    Parental Antibiotic Use in Urban and Peri-Urban Health Care Centers in Lima: A Cross-Sectional Study of Knowledge, Attitudes, and Practices by Paredes, Jose L, Navarro, Rafaella, Riveros, Maribel, Picon, Veronica, Conde, Francisco, Suito-Ferrand, Mario, Ochoa, Theresa J

    “…In pediatric patients, the antibiotic use is affected by parental beliefs and practices; especially in countries where it is possible to acquire them without…”
    Get full text
    Journal Article
  7. 7

    Retained surgical stents as a cause of biliary obstruction in pediatric liver transplants by Crowley, John J., Zajko, Albert B., Fitz, Charles R., Soltys, Kyle A., Paredes, Jose L., Mattiola, Vincent V.

    Published in Pediatric radiology (01-03-2015)
    “…Background Small-caliber plastic stents are sometimes placed across the hepaticojejunostomy in liver transplant recipients at the time of biliary…”
    Get full text
    Journal Article
  8. 8

    Pattern recognition in capillary electrophoresis data using dynamic programming in the wavelet domain by Ceballos, Gerardo A, Paredes, Jose L, Hernández, Luis F

    Published in Electrophoresis (01-07-2008)
    “…A novel approach for CE data analysis based on pattern recognition techniques in the wavelet domain is presented. Low-resolution, denoised electropherograms…”
    Get full text
    Journal Article
  9. 9
  10. 10
  11. 11

    Compressive sensing signal reconstruction by weighted median regression estimates by Paredes, Jose L, Arce, Gonzalo R

    “…In this paper, we address the compressive sensing signal reconstruction problem by solving an ℓ 0 -regularized Least Absolute Deviation (LAD) regression…”
    Get full text
    Conference Proceeding
  12. 12

    Nonlinear Filters Based on Support Vector Machines by Marquez, D. A., Paredes, J. L., Garcia-Gabin, W.

    “…In this work, a new family of nonlinear filters based on support vector machine is presented. This new filter, called support vector machine filter (SVMF), is…”
    Get full text
    Conference Proceeding
  13. 13

    Ultra-Wideband Compressed Sensing: Channel Estimation by Paredes, J.L., Arce, G.R., Zhongmin Wang

    “…In this paper, ultra-wideband (UWB) channel estimation based on the theory of compressive sensing (CS) is developed. The proposed approach relies on the fact…”
    Get full text
    Journal Article
  14. 14

    Multichannel image compression by bijection mappings onto zero-trees by Paredes, J.L., Arce, G.R., Russo, L.E.

    Published in IEEE transactions on image processing (01-03-2002)
    “…A new approach to multichannel image compression is introduced where the intra- and cross-band correlations are jointly exploited in a surprisingly simple yet…”
    Get full text
    Journal Article
  15. 15

    Challenges to the continuity of care of people living with HIV throughout the COVID-19 crisis in Peru by Jose L. Paredes, Rafaella Navarro, Diego M. Cabrera, Monica M. Diaz, Fernando Mejia, Carlos F. Caceres

    “…The COVID-19 pandemic and societal response implemented may interact with the ongoing HIV epidemic in multiple ways. There are approximately 87000 people…”
    Get full text
    Journal Article
  16. 16

    A sparse based approach for detecting activations in fMRI by Guillen, B., Paredes, J. L., Medina, R.

    “…In this paper, we propose a simple approach for detecting activated voxels in fMRI data by exploiting the inherent sparsity property of the BOLD signal. The…”
    Get full text
    Conference Proceeding Journal Article
  17. 17

    Recursive weighted median filters admitting negative weights and their optimization by Arce, G.R., Paredes, J.L.

    Published in IEEE transactions on signal processing (01-03-2000)
    “…A recursive weighted median (RWM) filter structure admitting negative weights is introduced. Much like the sample median is analogous to the sample mean, the…”
    Get full text
    Journal Article
  18. 18

    Weighted median image sharpeners for the World Wide Web by Fischer, M., Paredes, J.L., Arce, G.R.

    Published in IEEE transactions on image processing (01-07-2002)
    “…A class of robust weighted median (WM) sharpening algorithms is developed in this paper. Unlike traditional linear sharpening methods, weighted median…”
    Get full text
    Journal Article
  19. 19

    Los desafíos en la continuidad de atención de personas viviendo con VIH en el Perú durante la pandemia de la COVID-19 by Paredes, Jose L., Navarro, Rafaella, Cabrera, Diego M., Diaz, Monica M., Mejia, Fernando, Caceres, Carlos F.

    “…La pandemia por la COVID-19 y las medidas restrictivas de distanciamiento social pueden interactuar con la epidemia de VIH de múltiples formas. Existen…”
    Get full text
    Journal Article
  20. 20

    Data processing and pattern recognition in high-throughput capillary electrophoresis by Ceballos, Gerardo A., Paredes, Jose L., Hernandez, Luis

    “…A specific method for massive Capillary Electrophoresis data analysis based on pattern recognition techniques in the wavelet domain is presented…”
    Get full text
    Conference Proceeding Journal Article