Jordi Palacín

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The following paper introduces the work conducted to create a relative virtual mouse based on the interpretation of head movements and face gesture through a low cost camera and the optical flow of the images. This virtual device is designed specifically as an alternative noncontact pointer for people with mobility impairments in the upper extremities and(More)
This work proposes the detection of red peaches in orchard images based on the definition of different linear color models in the RGB vector color space. The classification and segmentation of the pixels of the image is then performed by comparing the color distance from each pixel to the different previously defined linear color models. The methodology(More)
This work proposes the creation of a bioinspired electronic white cane for blind people using the whiskers principle for short-range navigation and exploration. Whiskers are coarse hairs of an animal's face that tells the animal that it has touched something using the nerves of the skin. In this work the raw data acquired from a low-size terrestrial LIDAR(More)
This paper describes a measurement system designed to register the displacement of the legs using a two-dimensional laser range sensor with a scanning plane parallel to the ground and extract gait parameters. In the proposed methodology, the position of the legs is estimated by fitting two circles with the laser points that define their contour and the gait(More)
This paper presents a method for vineyard yield estimation based on the analysis of high-resolution images obtained with artificial illumination at night. First, this paper assesses different pixel-based segmentation methods in order to detect reddish grapes: threshold based, Mahalanobis distance, Bayesian classifier, linear color model segmentation and(More)
BACKGROUND/AIMS The use of drainage after liver resection remains controversial. Data of the usefulness of drains in cirrhotic patients undergoing surgical resection are scarce. The objective of our study is to assess the usefulness of intra-abdominal drainage after liver resection for hepatocellular carcinoma in cirrhotic patients. METHODOLOGY We(More)
UNLABELLED The aim of this study was to assess liver viability after different periods of cardiac arrest and the predictive value of two markers of ischemia-reperfusion injury. METHODS A pig liver transplantation model of non-heart-beating donors was studied. Four donor groups were designed; three groups were submitted to different periods of cardiac(More)
The aim of this study was to evaluate in breast cancer whether subdermal (SB) re-injection improves surgical detection (SD) of the sentinel node (SN) in patients with negative lymphoscintigraphy on peritumoral (PT) injection, without increasing the false-negative (FN) rate. Group I comprised 261 patients with invasive breast cancer >3 cm and clinically(More)
Domestic robots are one of the new industrial challenges. In this paper, a floor-cleaning robot specifically designed for this function is proposed. Aspects such as sensor placement, motor control, robot control, and safety are considered toward an optimal implementation of this helpful robot.