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Showing 1 to 20 of 90 for “"Stereo vision"”.
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Stereo vision and mapping with unsynchronized cameras
… the development of a real-time, extensible vision and mapping system that provides an interface for control systems to access details of the map. It addresses the problems of image capture, signal noise, and three dimensional map storage. It extends existing real-time stereo mapping systems …
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Pedestrian detection and tracking using stereo vision techniques
… received significant attention from the computer vision community of late. Many of the person detection techniques described so far in the literature work well in controlled environments, such as laboratory settings with a small number of people. This allows various assumptions to be made that …
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On Computer Stereo Vision With Wire Frame Models
Made available in DSpace on 2014-12-12T20:54:46Z (GMT). No. of bitstreams: 1 7811215.pdf: 4056435 bytes, checksum: 323ad162a2258f98fee797e4b02611a7 (MD5) Previous issue date: 1978
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A stereo vision system with automatic brightness adaptation
… brightness adaptive imaging system for use in stereo vision algorithms implemented for a variety of processing architectures. A 256 x 256 array of wide dynamic range pixels with on-chip A/D converters provides the digital data path for a feedback network which controls the charge integration …
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Depth estimation from 3D reconstructed scene using stereo vision
… that a lot of researches made to develop it. Visionary sensors such as stereo vision optimization method is one of the most efficient methods among traditional sensors that have been used to estimate a depth from 3D reconstructed scene. Vision sensor can be used in rescue robots mission …
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Comparison of Three Dimensional Measurement Accuracy Using Stereo Vision
The stereo vision system has been widely used in recent years. The imaging process of a camera consists in projection from a three dimensional world to a two dimensional image in which one dimension of information has been lost. A vision system that consists of two cameras can use the implicit …
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Surface reconstruction of a blast plate using stereo vision
… metal plate. Among the many methods in computer vision, stereo vision using two cameras is chosen as the range finding method in this thesis. This is because it is a non-contact method and hence eliminates the need to calibrate moving parts. A stereo-rig consists of two calibrated cameras and …
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A computational framework for understanding problems in stereo vision
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1987.
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Computing shape using a theory of human stereo vision
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1980.
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CurveSLAM: utilizing higher level structure in stereo vision-based navigation
… approach uses B´ezier polynomial curves as stereo vision primitives and offers a novel SLAM formulation to update the curve parameters and vehicle pose. This method eliminates the need for point-based stereo matching, with an optimization procedure to directly extract the curve information …
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A computationally efficient stereo vision algorithm for adaptive cruise control
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.
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Stereo vision based on compressed feature correlation and graph cut
… community into graph cut from the computer vision community. The proposed methodology consists of two independent modules. The first module is named Compressed Feature Correlation which is originated from Particle Image Velocimetry (PIV). The algorithm uses an image compression scheme that …
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Stereo Vision Based Aerial Mapping Using GPS and Inertial Sensors
… systems requires visual data acquisition. A stereo vision system is ideal for such missions as it doubles as both an image acquisition device, and a range finding device. The 2D images captured with a stereo vision system can be mapped to three dimensional point clouds with reference to the …
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High-quality dense stereo vision for whole body imaging and obesity assessment
… work of our lab, we developed a prototype active stereo vision system that demonstrated a potential to fulfill this goal. But the prototype required four computer projectors to cast artificial textures on the body which facilitate the stereo-matching on texture-deficient images (e.g., skin). This …
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Stereo vision algorithm using propagation of correspondences along an array of cameras
One well known problem in stereo vision is the trade-off between precision and accuracy. In a conventional two camera model, as the baseline separating the two cameras becomes smaller, the images that both cameras produce become more identical. This results in a more accurate set of …
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Stereo Vision System Module for Low-Cost FPGAs for Autonomous Mobile Robots
<p>Stereo vision uses two adjacent cameras to create a 3D image of the world. A depth map can be created by comparing the offset of the corresponding pixels from the two cameras. However, for real-time stereo vision, the image data needs to be processed at a reasonable frame rate. Real-time stereo …
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Tracking moving object by stereo vision head with vergence for humanoid robot
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1998.
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3-D Point Cloud Generation from Rigid and Flexible Stereo Vision Systems
… the surrounding environment the system is in. A stereo vision system utilizes two or more cameras, which capture images of a scene from two or more viewpoints, to create 3-D point clouds. A point cloud is a set of un-gridded 3-D points corresponding to a 2-D image, and is used to build gridded …
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Sequential Motion Estimation and Refinement for Applications of Real-time Reconstruction from Stereo Vision
… GPS and IMU data, along with a prior calibrated stereo camera system. It is expected that pose estimates and calibration can be used to increase feature matching speed and accuracy. Given pose estimates of cameras and extracted features from images, the algorithm first enumerates feature matches …
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