Search Results - subject:"Image Processing"

Study and comparison of color models for automatic image analysis in irrigation management applications

García-Mateos, G.; Hernández-Hernández, J.L.; … - In: Agricultural Water Management 151 (2015) C, pp. 158-166

Image processing and computer vision are increasingly being used in water management applications in agriculture …

Persistent link: https://www.econbiz.de/10011208817

Digital photography applied to irrigation management of Little Gem lettuce

Escarabajal-Henarejos, D.; Molina-Martínez, J.M.; … - In: Agricultural Water Management 151 (2015) C, pp. 148-157

The fundamental principle of adequate irrigation management is to satisfy crop water requirements while optimizing agronomic profits with the lowest possible consumption of water. Based on this idea, new techniques have been incorporated into different irrigation scheduling approaches. Among...

Persistent link: https://www.econbiz.de/10011208835

Recognition of initial welding position for large diameter pipeline based on pulse coupled neural network

Yang, Li Juan; Lou, Pei Huang; Qian, Xiao Ming - In: Industrial Robot: An International Journal 42 (2015) 4, pp. 339-346

-diameter pipeline automatically, and introduce the image processing based on pulse-coupled neural network (PCNN) which is adopted by the … adopted to obtain the object regions; then, the traditional image processing theory is used for the subsequent processing …-processing is based on PCNN, which is more robust and flexible in the complex welding environment. After that, traditional image …

Persistent link: https://www.econbiz.de/10014835304

Tracking and following pedestrian trajectories, an approach for autonomous surveillance of critical infrastructures

Garzon Oviedo, Mario Andrei; Barrientos, Antonio; Del … - In: Industrial Robot: An International Journal 42 (2015) 5, pp. 429-440

Purpose – This paper aims to present a system that is fully capable of addressing the issue of detection, tracking and following pedestrians, which is a very challenging task, especially when it is considered for using in large outdoors infrastructures. Three modules, detection, tracking and...

Persistent link: https://www.econbiz.de/10014835382

Research on a visual weld detection method based on invariant moment features

Jinle, Zeng; Yirong, Zou; Dong, Du; Baohua, Chang; … - In: Industrial Robot: An International Journal 42 (2015) 2, pp. 117-128

Purpose – This paper aims to develop a feasible visual weld detection method to solve the problems in multi-layer welding detection (e.g. cover pass welding detection) for seam tracking and non-destructive testing. It seeks for an adaptive and accurate way to determine the edge between the...

Persistent link: https://www.econbiz.de/10014835661

Rough set based modeling for welding groove bottom state in narrow gap MAG welding

Li, Wenhang; Wu, Jing; Hu, Ting; Yang, Feng - In: Industrial Robot: An International Journal 42 (2015) 2, pp. 110-116

Purpose – This paper aim to build an information fusion model that can predict the bottom shape of welding groove for better welding quality control. Arc sensor is widely used in seam tracking due to its simplicity and good accessibility, but it heavily relies on the bottom shape of the...

Persistent link: https://www.econbiz.de/10014835925

A modified welding image feature extraction algorithm for rotating arc narrow gap MAG welding

Li, Wenhang; Ji, Yunhong; Wu, Jing; Wang, Jiayou - In: Industrial Robot: An International Journal 42 (2015) 3, pp. 222-227

Purpose The purpose of this paper is to provide a modified welding image feature extraction algorithm for rotating arc narrow gap metal active-gas welding (MAG) welding, which is significant for improving the accuracy and reliability of the welding process. Design/methodology/approach An...

Persistent link: https://www.econbiz.de/10014835990

Robotic microassembly for meso-scale application

Ye, Xin; Gao, Jun; Zhang, Zhijing; Shao, Chao; Liu, Pan - In: Industrial Robot: An International Journal 42 (2015) 2, pp. 142-148

Purpose – The purpose of this paper is to design and develop 14-degree of freedom (DOF) robotic micromanipulator with which LIGA devices and axle hole part can be both manipulated and assembled. Design/methodology/approach – The in-house robotic microassembly system is composed of a 6-DOF...

Persistent link: https://www.econbiz.de/10014835996

A lightweight robot system designed for the optimisation of an automotive end-off line process station

Scholer, Matthias; Vette, Matthias; Rainer, Mueller - In: Industrial Robot: An International Journal 42 (2015) 4, pp. 296-305

testing system for an automated water leak test was designed using an image processing system utilized by the robot. Design …

Persistent link: https://www.econbiz.de/10014835998

Robotic motion compensation for bone movement, using ultrasound images

Torres, P.M.B.; Gonçalves, P. J. S.; Martins, J.M.M. - In: Industrial Robot: An International Journal 42 (2015) 5, pp. 466-474

optical measurement system and also passive markers attached to the USA probe and to the drill. The system description, image … processing, calibration procedures and results with simulated and real experiments are presented and described to illustrate the …

Persistent link: https://www.econbiz.de/10014836072