Automated liver and tumor segmentation based on concave and convex points using fuzzy c-means and mean shift clustering

R Ranjbarzadeh, SB Saadi - Measurement, 2020 - Elsevier
Identifying liver and tumour regions from medical images using fully automated computer-
aided software is a challenging task for the diagnosis of liver disease. In this paper, a novel …

Arc adjacency matrix-based fast ellipse detection

C Meng, Z Li, X Bai, F Zhou - IEEE Transactions on Image …, 2020 - ieeexplore.ieee.org
Fast and accurate ellipse detection is critical in certain computer vision tasks. In this paper,
we propose an arc adjacency matrix-based ellipse detection (AAMED) method to fulfill this …

A new efficient method for solving the multiple ellipse detection problem

R Scitovski, K Sabo, P Nikić, S Majstorović - Expert systems with …, 2023 - Elsevier
In this paper, we consider the multiple ellipse detection problem based on data points
coming from a number of ellipses in the plane not known in advance. In so doing, data …

Real-time robotic manipulation of cylindrical objects in dynamic scenarios through elliptic shape primitives

H Dong, E Asadi, G Sun, DK Prasad… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Robotic manipulation employs the object detection in images to create a scene awareness
and locate an object's pose. In dynamic scenarios, fast multiobject detection and tracking are …

Ellipse detection and localization with applications to knots in sawn lumber images

S Pan, S Fan, SWK Wong, JV Zidek… - Proceedings of the …, 2021 - openaccess.thecvf.com
While general object detection has seen tremendous progress, localization of elliptical
objects has received little attention in the literature. Our motivating application is the …

Robotic manipulations of cylinders and ellipsoids by ellipse detection with domain randomization

H Dong, J Zhou, C Qiu, DK Prasad… - … /ASME Transactions on …, 2022 - ieeexplore.ieee.org
A lot of objects commonly found in industrial and household environments are represented
by cylindrical shapes (flange plates) and ellipsoids (oranges). The visual tops of cylindrical …

A machine vision-based method optimized for restoring broiler chicken images occluded by feeding and drinking equipment

Y Guo, SE Aggrey, A Oladeinde, J Johnson, G Zock… - Animals, 2021 - mdpi.com
Simple Summary The equipment in the poultry house can occlude top view images of broiler
chickens and limit the efficiency of vision-based target detection. In this study, we sought to …

Combining convex hull and directed graph for fast and accurate ellipse detection

Z Shen, M Zhao, X Jia, Y Liang, L Fan, DM Yan - Graphical Models, 2021 - Elsevier
Detecting ellipses from images is a fundamental task in many computer vision applications.
However, due to the complexity of real-world scenarios, it is still a challenge to detect …

Automatic soccer field of play registration

C Cuevas, D Quilon, N García - Pattern Recognition, 2020 - Elsevier
This paper proposes a strategy for the automatic registration of soccer images on a model of
the field of play. First, a robust and efficient preprocessing is applied to discard the areas of …

Vision based in-process inspection for countersink in automated drilling and riveting

L Yu, Q Bi, Y Ji, Y Fan, N Huang, Y Wang - Precision Engineering, 2019 - Elsevier
Countersinks have been widely used for flush rivets of aircraft panels. The quality of
countersinking significantly impacts the performance of riveted joints. Thus, a reliable …