Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Davinia Font"'
Publikováno v:
Sensors, Vol 15, Iss 4, Pp 8284-8301 (2015)
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 reddis
Externí odkaz:
https://doaj.org/article/0bedc0aea9d7457abc7f30f9643fe5b7
Autor:
Davinia Font, Tomàs Pallejà, Marcel Tresanchez, David Runcan, Javier Moreno, Dani Martínez, Mercè Teixidó, Jordi Palacín
Publikováno v:
Sensors, Vol 14, Iss 7, Pp 11557-11579 (2014)
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 f
Externí odkaz:
https://doaj.org/article/41c6ba2a807f444a90b10115e2823438
Autor:
Merce TEIXIDO, Tomás PALLEJA, Marcel TRESANCHEZ, Davinia FONT, Javier MORENO, Alicia FERNÁNDEZ, Jordi PALACÍN, Carlos REBATE
Publikováno v:
Advances in Distributed Computing and Artificial Intelligence Journal, Vol 2, Iss 4, Pp 01-08 (2014)
This paper presents the optimization of a virtual mouse called HeadMouse in order to foster its classroom use by children with physical disabilities. HeadMouse is an absolute virtual mouse that converts head movements in cursor displacement and facia
Externí odkaz:
https://doaj.org/article/60e5fa00d42044e5bc49298dd7089d81
Autor:
Dani Martinez, Mercè Teixidó, Davinia Font, Javier Moreno, Marcel Tresanchez, Santiago Marco, Jordi Palacín
Publikováno v:
Sensors, Vol 14, Iss 4, Pp 6045-6055 (2014)
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 sensor
Externí odkaz:
https://doaj.org/article/a35d6f99e11d4cf6ba6171af9a062183
Publikováno v:
Sensors, Vol 12, Iss 12, Pp 16482-16497 (2012)
This paper presents the use of an external fixed two-dimensional laser scanner to detect cylindrical targets attached to moving devices, such as a mobile robot. This proposal is based on the detection of circular markers in the raw data provided by t
Externí odkaz:
https://doaj.org/article/ef9ff21f745f4ee98d52b91d866a3d3e
Publikováno v:
Sensors, Vol 12, Iss 10, Pp 14129-14143 (2012)
This work proposes the development of an embedded real-time fruit detection system for future automatic fruit harvesting. The proposed embedded system is based on an ARM Cortex-M4 (STM32F407VGT6) processor and an Omnivision OV7670 color camera. The f
Externí odkaz:
https://doaj.org/article/f52f191e2ff74a268dc1dc3550c62ad3
Publikováno v:
Sensors, Vol 12, Iss 6, Pp 7701-7718 (2012)
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 th
Externí odkaz:
https://doaj.org/article/f72fec38a13347388bfd2167f87ec32d
Publikováno v:
Sensors, Vol 11, Iss 12, Pp 11856-11870 (2011)
In this paper, a low cost optical flow sensor is combined with an external laser device to measure surface displacements and mechanical oscillations. The measurement system is based on applying coherent light to a diffuser surface and using an optica
Externí odkaz:
https://doaj.org/article/0e9540866b6b457ca3f1b311d2073c5d
Autor:
Jordi Palacin, Cedric Pradalier, Mercè Teixidó, Tomàs Pallejà, Cedric Siegentahler, Marcel Tresanchez, Davinia Font
Publikováno v:
Sensors, Vol 11, Iss 12, Pp 11168-11187 (2011)
This paper presents the design and implementation of a turtle hydrofoil for an Autonomous Underwater Vehicle (AUV). The final design of the AUV must have navigation performance like a turtle, which has also been the biomimetic inspiration for the des
Externí odkaz:
https://doaj.org/article/4581fce67c97426796d0b665c0588a05
Autor:
Mercè Teixidó, Javier Moreno, Jordi Palacín, Davinia Font, Marcel Tresanchez, Dani Martínez, Tomàs Pallejà
Publikováno v:
Computers and Electronics in Agriculture. 108:105-111
Definition of an automatic method for counting red grapes from nightlight images.Detection of specular reflection peaks from the spherical surface of the grapes.The conclusion that the method is suitable with an average counting error of -14%.The num