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We present a robust real-time method which performs dense reconstruction of high quality height maps from monocular video. By representing the height map as a triangular mesh, and using efficient differentiable rendering approach, our method enables rigorous incremental probabilistic fusion of standard locally estimated depth and colour into an immediately usable dense model. We present results for...
This paper presents a real time approach to the recognition of human activity based on the interaction between people and objects in domestic settings, specifically in a kitchen. Regarding the procedure, it is based on capturing partial images where the activity takes place using a colour camera, and processing the images to recognize the present objects and their location. For object description...
This paper introduces a new method for automatic robotic needle steering in deformable tissues. The main contribution relies on the use of an inverse Finite Element (FE) simulation to control an articulated robot interacting with deformable structures. In this work we consider a flexible needle, embedded in the end effector of a 6 arm Mitsubishi RV1A robot, and its insertion into a silicone phantom...
Based on the real-time image capturing and recognition, the robot is responsible to inspect the working status of various equipments in the smart substation. In this paper, an adapted efficient robotics visual servo algorithm is proposed in order to improve the accuracy of capturing the target images. When the robot captures image of the equipment, SIFT method is utilized to match with the template...
This paper describes a new task-oriented grasping method to reorient a rigid object to its nominal pose, which is defined as the configuration that it needs to be grasped from, in order to successfully execute a particular manipulation task. Our method combines two key insights: (1) a visual 6 Degree-of-Freedom (DoF) pose estimation technique based on 2D-3D point correspondences is used to estimate...
RANSAC is a popular and robust fitting algorithm. In the field of image processing, RANSAC can be successfully used to reject false correspondences between similar images. Due to its iterative nature, RANSAC is computationally demanding and time consuming. When the target application operates in real-time, conventional approaches based on personal computers usually fail to meet the requirements. In...
Robotics now a days becoming more popular due to diverse applications. Vision to a robot has widened the range of applications and is developing rapidly. Robots with the power of image processing are used for object identification, surveillance and navigation. Vision applications generally deal with finding a part and orienting it for robotic handling or inspection before an application is performed...
An anti-ejection control strategy was proposed for the characteristics of underactuated prosthetic hand grasping process. The reference position can be calculated and the stiffness of objects can be estimated by the feedback signals of force and position. When the driving joint approaches the reference position and the actual grasp force does not reach the desired value, which means that the ejection...
Attention-based bio-inspired vision can be studied as a different way to consider sensor processing, firstly allowing to reduce the amount of data transmitted by connected cameras and secondly advocating a paradigm shift toward neuro-inspired processing for the post-processing of the few regions extracted from the visual field. The computational complexity of the corresponding vision models leads...
This paper introduces a new Learning from Demonstration (LfD)-based method that makes usage of robot effector forces and torques recorded during expert demonstrations, to generate force-based haptic guidance reference trajectories on-line, that are intended to be used during haptic shared control for additional operator ‘guidance’. Derived haptic guidance trajectories are superimposed to master-device...
Recommender systems help users to find interesting items when there are many possibilities. They have been used in many domains such as movies, music, news articles, books etc. Recently there has been an increasing interest in using recommender systems in educational systems where the goal of the recommender system is to help users to find the most relevant and interesting learning resources based...
A human-robot hybrid cell is developed for performing assembly in flexible manufacturing in collaboration between a robot and its human co-worker. Robot trust in human is considered, a computational model for the trust is derived, and a method to measure and display the trust in real-time is developed. The collaborative assembly includes robot-to-human handovers of payloads (assembly tools). A novel...
A welding seam detection and feature point extraction system for robotic arc welding is proposed in this paper. The system consists of a CCD camera, a line structure laser, a narrowband optical filter to overcome the interference from arc light and other light sources, and an embedded computer board for image processing and error calculation. By taking use of optical triangulation measurement method,...
This project is based on quad-rotor Unmanned aerial vehicle (UAV), which is made of ARM embedded system and STM32F1 series 32-bit micro-control Mono-Chip Computer. Under the framework of embedded operating system UC/OS, to replace the staff workers, this UAV is employed to conduct the detecting of noxious gas through all kinds of sensors. With the use of wireless transmission technology, it is possible...
This paper presents an approach to Simulation-Based Control of industrial robots. Data structures and algorithms are presented that adapt a simulation system, in order to meet the real-time constraints imposed by a real-time operating system and the actual robot hardware. It is exemplary shown that our approach is applicable even in challenging settings, while maintaining remarkable accuracy.
This paper reviews recent developments extending sampling based motion planning algorithms to operate in dynamic environments. Sampling based planners provide an effective approach for solving high degree of freedom robot motion planning problems. The two most common algorithms are the Probabilistic Roadmap Method and Rapidly Exploring Random Trees. These standard techniques are well established,...
Robotic Metal Inert Gas (MIG) and Tungsten Inert Gas (TIG) welding are the most widely used automated welding process in manufacturing industry. A novel robotic welding monitoring system is proposed and developed to detect inconsistencies during the welding process. The welding monitoring system assesses the weld quality and provides a real-time feedback to the welding robot. A new on-line analysis...
This paper considers the application of classical control methods, designed for unconstrained nonlinear systems, to systems with nontrivial input constraints. As shown throughout the literature, unconstrained classical methods can be used to stabilize constrained systems, however, (without modification) these unconstrained methods are not guaranteed to work for a general control problem. In this paper,...
Optical tweezers are one of the most versatile technique to achieve biological micromanipulation. It will benefit of automatization or teleoperation for faster achieving complex tasks. Here a new vision technique is presented with high potential for high-speed, high-resolution 3D tracking of trapped objects. The characterization of this event-based biomimetic vision is fully detailed, and the performance...
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