Alberto J. Pérez Jiménez

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Feature extraction is a commonly used technique applied before classification when a number of measures, or features, have been taken from a set of objects in a typical statistical pattern recognition task. The goal is to define a mapping from the original representation space into a new space where the classes are more easily separable. This will reduce(More)
UNLABELLED Congenital self-healing reticulohistiocytosis (CSHRH), a rare disorder initially seen at birth or in the newborn period, is characterized by spontaneously involuting skin lesions. We present the case of a 12-d-old female who was born with many red-brownish nodules scattered over her entire body, and which regressed spontaneously. CONCLUSION(More)
OBJECTIVE To compare the percentage of patients who were able to bypass the postoperative intensive care recovery unit after selective spinal anesthesia with lidocaine-fentanyl versus levobupivacaine-fentanyl for anorectal surgery in jackknife position. MATERIAL AND METHODS Randomized double-blind clinical trial comparing 2 groups of 30 patients(More)
This paper describes the recognition of container code characters. The system has to deal with outdoor images which usually have damaged characters and obtain an answer in real time. Tophat transformation, equalization and adaptive cropping have been applied so as to reduce the noise and correct the inclusion box. The training corpus is artificially grown(More)
A case of a 3-year-old boy with X-linked hypohidrotic ectodermal dysplasia is presented. Complete maxillary and mandibular dentures were made at 3 years and 2 months of age. The process for making the dentures is described. Obtaining enough patient cooperation and proper application of behavioral management techniques are critical factors for the procedure(More)
Behçet’s disease (BD) is a chronic, multisystemic, inflammatory process of uncertain origin. Diagnosis criteria consist of recurrent oral ulceration plus two of the following: genital ulceration, ocular and skin lesions, and positive pathergy test. Pulmonary embolism and, especially intracardiac thrombi, are very rare. We report the case of a patient with(More)