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97篇 您的检索式：作者名="Gamarra"

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	题名	作者	年代	出处	被引量
1	A Feature Selection Strategy to Optimize Retinal Vasculature Segmentation显示文摘Diabetic retinopathy (DR) is a complication of diabetesmellitus thatappears in the retina. Clinitians use retina images to detect DR pathologicalsigns related to the occlusion of tiny blood vessels. Such occlusion brings adegenerative cycle between the breaking off and the new generation of thinnerand weaker blood vessels. This research aims to develop a suitable retinalvasculature segmentation method for improving retinal screening proceduresby means of computer-aided diagnosis systems. The blood vessel segmentationmethodology relies on an effective feature selection based on SequentialForward Selection, using the error rate of a decision tree classifier in theevaluation function. Subsequently, the classification process is performed bythree alternative approaches: artificial neural networks, decision trees andsupport vector machines. The proposed methodology is validated on threepublicly accessible datasets and a private one provided by Hospital Sant Joanof Reus. In all cases we obtain an average accuracy above 96% with a sensitivityof 72% in the blood vessel segmentation process. Compared with the state-ofthe-art, our approach achieves the same performance as other methods thatneed more computational power.Our method significantly reduces the numberof features used in the segmentation process from 20 to 5 dimensions. Theimplementation of the three classifiers confirmed that the five selected featureshave a good effectiveness, independently of the classification algorithm.	Jose Escorcia-Gutierrez Jordina Torrents-Barrena Margarita Gamarra Natasha Madera Pedro Romero-Aroca Aida Valls Domenec Puig	2022	Computers, Materials & Continua2022，，2：	2
2	Novel sulfonylpolystyrene-supported prolinamides as catalysts for enantiose- lective aldol reaction in water显示文摘	Pedrosa R Andrfs J M Gamarra A	2013	Tetrahedron2013，69，：	1
3	Kinetics of 5-Aminolevulinic Acid-Induced Fluorescence in Organ Cultures of Bronchial Epithelium and Tumor显示文摘	Gamarra F Wagner S Al-Batran S	2002	Respiration2002，69，5：	1
4	Mechanism of the synergistic effect ofamiodarone and fluconazole in Candida albicans显示文摘	Gamarra S Rocha E M F Zhang Y Q	2010	Antimicrobial agents and chemotherapy2010，54，5：	1
5	Ultrastructural characteriza- tion of CD133 + stem cells bound to superparamagnetic nanoparti- cles: possible biotechnological applications显示文摘	Pavon LF Gamarra LF Marti LC	2008	J Microsc2008，231，3：	1
6	IL- 13 Ralpha2 reverses the effects of IL-13 and IL-14 on bronchial reactivity and acety1cholineinduced Ca2 + signaling 显示文摘	Kellner J Gamarra F Welsch U	2007	Int Arch Allergy Immunol2007，142，3：	1
7	Prevalence of antibodies against Toxoplasma gondii in roe deer from Spain 显示文摘	Gamarra J A Cabezon O Pabon M	2008	VetParasitol2008，153，12：	1
8	US-Guided Percutaneous Radiofrequency Thermal Ablation for the Treatment of Solid Benign Hyperfunctioning or Compressive Thyroid Nodules显示文摘	Maurilio Deandrea Paolo Limone Edoardo Basso Alberto Mormile Federico Ragazzoni Elena Gamarra Stefano Spiezia Antongiulio Faggiano Annamaria Colao Filippo Molinari Roberto Garberoglio	2008	Ultrasound in Medicine & Biology2008，，5：	1
9	DGCR8-medi- ated disruption of miRNA biogenesis induces cellular senes- cence in primary fibroblasts显示文摘	Gomez-Cabello D Adrados I Gamarra D	2013	Aging Ce112013，12，5：	1
10	Photodynamic therapy-induced alterations in interstitial fluid pressure, volume and water-content of an amelanotic melanoma in the hamster显示文摘	M Goetz AE Gamarra F	1994	Brit J Cancer1994，69，：	1
11	Cellulase production by Aspergillus ni~ger in biofilm,solid-state, and submerged fermenta-tions 显示文摘	GAMARRA N N VILLENA G K GUTI RREZ-CORREA M	2010	Applied Microbiology and Biotechnology2010，87，2：	1
12	Assessing the value of the SimPraxis laparoscopic cholecystectomy trainer显示文摘	Gamarra A Hogle NJ Azab B	2012	JSLS2012，16，2：	1
13	The role ofconfinement on stress-driven grain boundary motion in nanocrystalline aluminum thin films 显示文摘	Gianola D S Farkas D Gamarra M	2012	Appl Phys Lett2012，112，12：	1
14	Using Genetic Algorithm Feature Selection in Neural Classification Systems for Image Pattern Recognition 显示文摘	GAMARRA M R QUINTERO C G	2013	Ingenieria e Investigacion2013，33，1：	1
15	Mercury content in vegetation and soils of the Almaden mining area (Spain) 显示文摘	MILLAN R GAMARRA R SCHMID T	2006	Sci Total Environ2006，368，1：	1
16	Influence of social support on patients with essential hypertension 显示文摘	Men6ndez Villalva C Montes Marttnez A Gamarra Mondelo T	2003	Aten Primaria2003，31，8：	1
17	High frequency jet ventilation in interventional fiberoptic bronchoscopy 显示文摘	Hautmann H Gamarra F Henke M	2000	Anesth Analg2000，90，6：	1
18	Mercury bio- accumulation and phytoxieity in two wild plant species of Almaden area 显示文摘	JIMENEZ E M GAMARRA R CARPENA-RUIZ R O	2006	Chemosphere2006，63，：	1
19	Biomass-liversity responses and spatial dependencies in disturbed tallgrass prairies显示文摘	GAMARRA J G P SOLE R V	2002	Journal of Theoretical Biology2002，215，4：	1
20	Mercury bioaccumulation and phytotoxicity in two wild plant speciesof Almad^n area显示文摘	Moreno-Jim^nez E Gamarra R Carpena-Ruiz R 0	2006	Chemosphere2006，63，：	1

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