Results 31 to 40 of about 1,996,919 (352)

Intraoperative Extraction of Airways Anatomy in VideoBronchoscopy

open access: yesIEEE Access, 2020
A main bottleneck in bronchoscopic biopsy sampling is to efficiently reach the lesion navigating across bronchial levels. Any guidance system should be able to localize the scope position during the intervention with minimal costs and alteration of ...
Debora Gil   +4 more
doaj   +1 more source

AUTOMATIC FUSION OF PARTIAL RECONSTRUCTIONS [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
Novel image acquisition tools such as micro aerial vehicles (MAVs) in form of quad- or octo-rotor helicopters support the creation of 3D reconstructions with ground sampling distances below 1 cm.
A. Wendel   +3 more
doaj   +1 more source

MRI and CT Fusion in Stereotactic Electroencephalography: A Literature Review

open access: yesApplied Sciences, 2021
Epilepsy is a common neurological disease characterized by spontaneous recurrent seizures. Resection of the epileptogenic tissue may be needed in approximately 25% of all cases due to ineffective treatment with anti-epileptic drugs.
Jaime Perez   +3 more
doaj   +1 more source

MRI and CT Fusion in Stereotactic Electroencephalography (SEEG)

open access: yesDiagnostics, 2023
Epilepsy is a neurological disorder characterized by spontaneous recurrent seizures. While 20% to 30% of epilepsy cases are untreatable with Anti-Epileptic Drugs, some of these cases can be addressed through surgical intervention.
Jaime Pérez Hinestroza   +3 more
doaj   +1 more source

A Hilbert Scheme in Computer Vision [PDF]

open access: yes, 2011
Multiview geometry is the study of two-dimensional images of three-dimensional scenes, a foundational subject in computer vision. We determine a universal Groebner basis for the multiview ideal of n generic cameras.
Bernd Sturmfels   +11 more
core   +2 more sources

Straight line matching method based on line pairs and feature points

open access: yesIET Computer Vision, 2016
Straight line matching is a fundamental task in many applications such as scene matching, stereo vision and sequence images analysis. As individual line segments cannot completely present the information of image and methods based on them are difficult ...
Jiexian Zeng   +3 more
doaj   +1 more source

Flexible Printed Circuit Fracture Detection Based on Hypothesis Testing Strategy

open access: yesIEEE Access, 2020
A detection algorithm based on hypothesis testing strategy is presented for the detection of the fracture of FPC track. First, the sandwiched region between any two break points of the track skeleton is hypothesized as the alternative fracture to wait ...
Dejian Li, Shaoli Li, Weiqi Yuan
doaj   +1 more source

Collision Detection and Avoidance for Underwater Vehicles Using Omnidirectional Vision

open access: yesSensors, 2022
Exploration of marine habitats is one of the key pillars of underwater science, which often involves collecting images at close range. As acquiring imagery close to the seabed involves multiple hazards, the safety of underwater vehicles, such as remotely
Eduardo Ochoa   +5 more
doaj   +1 more source

CMOS Vision Sensors: Embedding Computer Vision at Imaging Front-Ends [PDF]

open access: yes, 2018
CMOS Image Sensors (CIS) are key for imaging technol-ogies. These chips are conceived for capturing opticalscenes focused on their surface, and for delivering elec-trical images, commonly in digital format.
Carmona Galán, Ricardo   +4 more
core   +1 more source

An active reconstruction algorithm based on partial prior information

open access: yesInternational Journal of Advanced Robotic Systems, 2020
Active reconstruction is an intelligent perception method that achieves object modeling with few views and short motion paths by systematically adjusting the parameters of the camera while ensuring model integrity.
Yanzi Kong   +5 more
doaj   +1 more source

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