Now showing items 1-20 of 28

    • A Comparative Analysis of Scopus and Web of Science (WoS) Literature on the Autism Crisis 

      Díaz Llobet, Manel; Teixidó Cairol, Mercè; Gil Iranzo, Rosa María; Cabeza, Luisa F.; Aras, Luis Miguel (Springer, 2021)
      Autism is a neurobiological developmental disorder that is detected at around 3 years old. This disorder affects their communication, socialization, and behavioral skills. Its ratio is 1 per 150 and the possibility is ...
    • A mobile robot agent for gas leak source detection 

      Martínez Lacasa, Daniel; Pallejà Cabrè, Tomàs; Moreno Blanc, Javier; Tresánchez Ribes, Marcel; Teixidó Cairol, Mercè; Font Calafell, Davinia; Pardo, Antonio; Marco, Santiago; Palacín Roca, Jordi (Springer International Publishing Switzerland, 2014)
      This paper presents an autonomous agent for gas leak source detec-tion. The main objective of the robot is to estimate the localization of the gas leak source in an indoor environment without any human intervention. The ...
    • A proposal for automatic fruit harvesting by combining a low cost stereovision camera and a robotic arm 

      Font Calafell, Davinia; Pallejà Cabrè, Tomàs; Tresánchez Ribes, Marcel; Runcan Marius, David; Moreno Blanc, Javier; Martínez Lacasa, Daniel; Teixidó Cairol, Mercè; Palacín Roca, Jordi (MDPI, 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, ...
    • Ambient Intelligence Application Based on Environmental Measurements Performed with an Assistant Mobile Robot 

      Martínez Lacasa, Daniel; Teixidó Cairol, Mercè; Font Calafell, Davinia; Moreno Blanc, Javier; Tresánchez Ribes, Marcel; Marco, Santiago; Palacín Roca, Jordi (MDPI, 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 ...
    • An embedded real-time red peach detection system based on an OV7670 camera, ARM Cortex-M4 processor and 3D Look-Up Tables 

      Teixidó Cairol, Mercè; Font Calafell, Davinia; Pallejà Cabrè, Tomàs; Tresánchez Ribes, Marcel; Nogués Aymamí, Miquel; Palacín Roca, Jordi (Molecular Diversity Preservation International (MDPI), 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 ...
    • An image processing method for in-line nectarine variety verification based on the comparison of skin feature histogram vectors 

      Font Calafell, Davinia; Tresánchez Ribes, Marcel; Pallejà Cabrè, Tomàs; Teixidó Cairol, Mercè; Martínez Lacasa, Daniel; Moreno Blanc, Javier; Palacín Roca, Jordi (Elsevier, 2014)
      This paper presents an image processing method for in-line automatic and individual nectarine variety verification in a fruit-packing line based on the use of feature histogram vectors obtained by concatenating the ...
    • Bach eXperience: una aproximación creativa a la simetría cuatro π a través de Bach y la alfabetidad visual 

      Gutiérrez Ujaque, Daniel; Gil Iranzo, Rosa María; Teixidó Cairol, Mercè (Universidad de Caldas, 2022-01)
      Este artículo presenta una experiencia educativa de docencia universitaria a través de la cultura visual, la música, la ciencia, la tecnología y las matemáticas en el plan de formación de sesenta futuros diseñadores ...
    • Bioinspired electronic white cane implementation based on a LIDAR, a tri-axial accelerometer and a tactile belt 

      Pallejà Cabrè, Tomàs; Tresánchez Ribes, Marcel; Teixidó Cairol, Mercè; Palacín Roca, Jordi (Molecular Diversity Preservation International (MDPI), 2010)
      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 ...
    • Characterization of a Low-Cost Optical Flow Sensor When Using an External Laser as a Direct Illumination Source 

      Font Calafell, Davinia; Tresánchez Ribes, Marcel; Pallejà Cabrè, Tomàs; Teixidó Cairol, Mercè; Palacín Roca, Jordi (MDPI, 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 ...
    • Counting red grapes in vineyards by detecting specular spherical reflection peaks in RGB images obtained at night with artificial illumination 

      Font Calafell, Davinia; Pallejà Cabrè, Tomàs; Tresánchez Ribes, Marcel; Teixidó Cairol, Mercè; Martínez Lacasa, Daniel; Moreno Blanc, Javier; Palacín Roca, Jordi (Elsevier, 2014)
      This paper presents an automatic method for counting red grapes from high-resolution images of vineyards taken under artificial lighting at night. The proposed method is based on detecting the specular reflection peaks ...
    • Definition of linear color models in the RGB vector color space to detect red peaches in orchard images taken under natural illumination 

      Teixidó Cairol, Mercè; Font Calafell, Davinia; Pallejà Cabrè, Tomàs; Tresánchez Ribes, Marcel; Nogués Aymamí, Miquel; Palacín Roca, Jordi (Molecular Diversity Preservation International (MDPI), 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 ...
    • Desarrollo de un caso practico de aprendizaje combinando vision artificial y un brazo robot 

      Pallejà Cabrè, Tomàs; Teixidó Cairol, Mercè; Font Calafell, Davinia; Tresánchez Ribes, Marcel; Palacín Roca, Jordi (Sociedad de Educación del IEEE (IEEE-ES), 2013)
      This work describes a learning case developed in the University of Lleida, Spain. This proposal is addressed to third course engineering students that must combine knowledge from artificial vision and robotic control to ...
    • Desarrollo de un e-Portfolio Interdisciplinar en el Grado de Diseño Digital y Tecnologías Creativas de la UdL 

      Teixidó Cairol, Mercè; Gil Iranzo, Rosa María; Díaz Llobet, Manel; Barqué Duran, Albert; LLega Lladós, Ferran; Gervas Arruga, Jordi; Teixidó Pau, Joan; Prat Malpartida, Mireia (Asociación Interacción Persona-Ordenador (AIPO), 2020-09-24)
      The objective of the following work is to show how through different subjects of the first year of the Digital Design and Creative Technologies (DDTeC) degree at the University of Lleida (UdL), is being developed an ...
    • Design and Implementation of a Biomimetic Turtle Hydrofoil for an Autonomous Underwater Vehicle 

      Font Calafell, Davinia; Tresánchez Ribes, Marcel; Siegentahler, Cedric; Pallejà Cabrè, Tomàs; Teixidó Cairol, Mercè; Pradalier, Cedric; Palacín Roca, Jordi (MDPI, 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 ...
    • Evaluation of the color-based image segmentation capabilities of a compact mobile robot agent based on Google Android Smartphone 

      Martínez Lacasa, Daniel; Moreno Blanc, Javier; Font Calafell, Davinia; Tresánchez Ribes, Marcel; Pallejà Cabrè, Tomàs; Teixidó Cairol, Mercè; Palacín Roca, Jordi (Springer International Publishing Switzerland, 2013)
      This paper presents the evaluation of the image segmentation capabilities of a mobile robot agent based on a Google Android Smartphone. The mobile agent was designed to operate autonomously in an environment inspired in a ...
    • Implementation of a robust absolute virtual head mouse combining face detection, template matching and optical flow algorithms 

      Pallejà Cabrè, Tomàs; Guillamet, A.; Tresánchez Ribes, Marcel; Teixidó Cairol, Mercè; Rebate, Carlos; Palacín Roca, Jordi; Viso, A. F. del (Springer Verlag, 2013)
      This work proposes the implementation of a robust absolute virtual head mouse based on the interpretation of head movements and face gestures captured with a frontal camera. The procedure combines face detection, ...
    • Measuring gait using a ground laser range sensor 

      Pallejà Cabrè, Tomàs; Teixidó Cairol, Mercè; Tresánchez Ribes, Marcel; Palacín Roca, Jordi (Molecular Diversity Preservation International (MDPI), 2009)
      This paper describes a mesurement 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 ...
    • Measuring oscillating walking paths with a LIDAR 

      Teixidó Cairol, Mercè; Pallejà Cabrè, Tomàs; Tresánchez Ribes, Marcel; Nogués Aymamí, Miquel; Palacín Roca, Jordi (Molecular Diversity Preservation International (MDPI), 2011)
      This work describes the analysis of different walking paths registered using a Light Detection And Ranging (LIDAR) laser range sensor in order to measure oscillating trajectories during unsupervised walking. The estimate ...
    • Measuring yarn diameter using inexpensive optical sensors 

      Tresánchez Ribes, Marcel; Pallejà Cabrè, Tomàs; Teixidó Cairol, Mercè; Palacín Roca, Jordi (Elsevier, 2010)
      In this paper, the inexpensive optical sensor of a common computer mouse is proposed to measure yarn diameter. This measurement allows a progressive control of the yarn production processes in the textile industry. The ...
    • Modeling floor-cleaning coverage performances of some domestic mobile robots in a reduced scenario 

      Pallejà Cabrè, Tomàs; Tresánchez Ribes, Marcel; Teixidó Cairol, Mercè; Palacín Roca, Jordi (Elsevier, 2010)
      In this paper, floor-cleaning coverage performances of some domestic mobile robots are measured, analyzed and modeled. Results obtained in a reduced scenario show that floor-cleaning coverage is complete in all cases if ...