Results 11 to 20 of about 13,857,479 (154)

Standalone and embedded stereo visual odometry based navigation solution [PDF]

open access: yes, 2015
© Cranfield University, 2014This thesis investigates techniques and designs an autonomous visual stereo based navigation sensor to improve stereo visual odometry for purpose of navigation in unknown environments. In particular, autonomous navigation in a
Chermak, Lounis
core   +7 more sources

An evaluation framework for stereo-based driver assistance [PDF]

open access: yes, 2012
This is the post-print version of the Article - Copyright @ 2012 Springer VerlagThe accuracy of stereo algorithms or optical flow methods is commonly assessed by comparing the results against the Middlebury database.
Gehrig, S   +7 more
core   +7 more sources

A Low-Complexity End-to-End Stereo Matching Pipeline From Raw Bayer Pattern Images to Disparity Maps

open access: yesIEEE Access, 2021
Conventional computer vision algorithms, including stereo matching algorithms, take finely rendered color images as input. However, existing image signal processing (ISP) pipelines for color image generation are designed for photography with a goal of ...
Shengyu Gao, Hongyu Wang, Xin Lou
doaj   +1 more source

Daytime fog detection and density estimation with entropy minimization [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2014
Fog disturbs the proper image processing in many outdoor observation tools. For instance, fog reduces the visibility of obstacles in vehicle driving applications.
L. Caraffa, J. P. Tarel
doaj   +1 more source

Stereo Image Matching Using Adaptive Morphological Correlation

open access: yesSensors, 2022
A stereo matching method based on adaptive morphological correlation is presented. The point correspondences of an input pair of stereo images are determined by matching locally adaptive image windows using the suggested morphological correlation that is
Victor H. Diaz-Ramirez   +3 more
doaj   +1 more source

Semiglobal Matching Results on the ISPRS Stereo Matching Benchmark [PDF]

open access: yes, 2011
Digital surface models can be efficiently generated with automatic image matching from optical stereo images. The Working Group 4 of Commission I on "Geometric and Radiometric Modelling of Optical Spaceborne Sensors" provides a matching benchmark ...
Reinartz, Peter   +3 more
core   +2 more sources

Image Texture as Quality Indicator for Optical DEM Generation: Geomorphic Applications in the Arid Central Andes

open access: yesRemote Sensing, 2022
The generation of Digital Elevation Models (DEMs) through stereogrammetry of optical satellite images has gained great popularity across various disciplines.
Benjamin Purinton   +2 more
doaj   +1 more source

Real-Time Stereo Vision System: A Multi-Block Matching on GPU

open access: yesIEEE Access, 2018
Real-time stereo vision is attractive in many areas such as outdoor mapping and navigation. As a popular accelerator in the image processing field, GPU is widely used for the studies of the stereo vision algorithms.
Qiong Chang, Tsutomu Maruyama
doaj   +1 more source

Three-dimensional mechanical parts reconstruction technology based on two-dimensional image

open access: yesInternational Journal of Advanced Robotic Systems, 2020
With the development of computer technology and three-dimensional reconstruction technology, three-dimensional reconstruction based on visual images has become one of the research hotspots in computer graphics.
Jiaofei Huo, Xiaomo Yu
doaj   +1 more source

Parametric Dense Stereovision Implementation on a System-on Chip (SoC)

open access: yesSensors, 2012
This paper proposes a novel hardware implementation of a dense recovery of stereovision 3D measurements. Traditionally 3D stereo systems have imposed the maximum number of stereo correspondences, introducing a large restriction on artificial vision ...
Pablo Montejo   +4 more
doaj   +1 more source

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