Dani Martínez

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Jazz standards are songs representative of a body of musical knowledge shared by most professional jazz musicians. As such, the corpus of jazz standards constitutes a unique opportunity to study a musical genre with a " closed-world " approach, since most jazz composers are no longer in activity today. Although many scores for jazz standards can be found on(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)
This paper proposes the development of an automatic fruit harvesting system by combining a low cost stereovision camera and a robotic arm placed in the gripper tool. The stereovision camera is used to estimate the size, distance and position of the fruits whereas the robotic arm is used to mechanically pickup the fruits. The low cost stereovision system has(More)
This paper proposes the use of an autonomous assistant mobile robot in order to monitor the environmental conditions of a large indoor area and develop an ambient intelligence application. The mobile robot uses single high performance embedded sensors in order to collect and geo-reference environmental information such as ambient temperature, air velocity(More)
This paper presents the preliminary results obtained when using a mobile robot to measure gas and wind intensity in an indoor area by means of several attached sensors such as a LIDAR, an e-nose, and an anemometer. The robot navigation was performed by means of a random path planning and the robot self location was performed by means of an SLAM procedure.(More)
This paper presents the technical description, mechanical design, electronic components, software implementation and possible applications of a tele-operated mobile robot designed as an assisted living tool. This robotic concept has been named Assistant Personal Robot (or APR for short) and has been designed as a remotely telecontrolled robotic platform(More)
For the past decade, the Naval Research Laboratory (NRL) has developed software to support reach-back operations for forward-deployed military personnel to configure and run the Navy's Coupled Ocean/Atmosphere Mesoscale Prediction System (COAMPS ®). The software is called COAMPS-OS ® (On-Scene), and it is comprised of graphical user interfaces and automated(More)