Results 31 to 40 of about 55,861 (258)

Active contour model based on hybrid signed pressure force function

IET Image Processing, 2023
To segment noisy and multi‐target images, an active contour model based on a hybrid signed pressure force function that fuses global and local information of the image is proposed.
XinChao Meng, Si Si
doaj   +1 more source

Label-Distribution Learning-Embedded Active Contour Model for Breast Tumor Segmentation

IEEE Access, 2019
Tumor segmentation is the foundation of breast ultrasound image analysis. However, intensity inhomogeneity occurred in ultrasound images results in the ambiguous segmentation.
Yongjian Wu, Xiaoming Xi, Xianjing Meng, Xiushan Nie, Yanwei Ren, Guang Zhang, Cuihuan Tian, Yilong Yin   +7 more
doaj   +1 more source

Automatic segmentation of lizard spots using an active contour model

Revista Facultad de Ingeniería Universidad de Antioquia, 2016
Animal biometrics is a challenging task. In the literature, many algorithms have been used, e.g. penguin chest recognition, elephant ears recognition and leopard stripes pattern recognition, but to use technology to a large extent in this area of ...
Jhony Heriberto Giraldo-Zuluaga, Augusto Enrique Salazar-Jiménez   +1 more
doaj   +3 more sources

Active Contour Model Based on Local Entropy Fitting Energy and Global Information [PDF]

Jisuanji gongcheng, 2019
Active contour model is very important in image segmentation.However,when dealing with images with intensity inhomogeneity,this model is sensitive to the initial contour position,and its cumbersome selection and multiple iterations can also cause ...
WANG Yan, DUAN Yaxi
doaj   +1 more source

Guidelines for Pediatric Radiotherapy Simulation: A Report From the Children's Oncology Group Radiation Oncology Discipline

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric radiation therapy presents unique challenges compared to adult treatments, including those of immobilization, potential need for sedation, and the critical importance of accurate, reproducible positioning. Additionally, heightened attention to imaging doses is necessary to minimize long‐term toxicity in survivors.
Parham Alaei, Stephen Mihalcik, Sujith Baliga, Young Kwok, Dana Casey, Eric Ehler, Christiane Burton, John C. Breneman, Daphne A. Haas‐Kogan, Suzanne L. Wolden, Arnold C. Paulino, Nadia N. Laack, Natia Esiashvili, Sarah Milgrom, Christine Hill‐Kayser, Thomas J. Fitzgerald, John A. Kalapurakal, Chia‐Ho Hua   +17 more
wiley   +1 more source

Digital Rebirth of Dongba Pattern: An Improved Active Contour Model for Pattern Contour Extraction

IEEE Access
In response to the time-consuming and laborious problem of manually drawing elements in existing poster designs, this paper proposes a method for extracting the contours of Dongba patterns based on improved active contour model.
Yuan Li, Tao Wu, Rongbing Fu, En Lu
doaj   +1 more source

Fast Converging Implementation of a Region-Based Active Contour Model

Journal of Algorithms & Computational Technology, 2015
PDE-based image segmentation based on the active contour model attracts many researchers due to its high precision of edge detection and the continuity of boundaries.
Haiping Xu, Hanxiang Zheng, Meiqing Wang
doaj   +1 more source

The Identification of Parasite Babesia Form on Cow Blood by Using Active Contour Model

Volt: Jurnal Ilmiah Pendidikan Teknik Elektro, 2017
Babesia parasite is one of the parasites that infect the cow blood and it can cause death. Observation of blood data sample in the laboratory used a microscope equipped by optilab cameras.
Eka Dwi Nurcahya, Andy Triyanto Pujo Raharjo   +1 more
doaj   +1 more source

Magnetostatic Active Contour Model with Classification Method of Sparse Representation

Journal of Electrical and Computer Engineering, 2020
The active contour model is widely used to segment images. For the classical magnetostatic active contour (MAC) model, the magnetic field is computed based on the detected points by using an edge detector.
Guoqi Liu, Yifei Dong, Ming Deng, Yihang Liu   +3 more
doaj   +1 more source

A Shape Prior-Based Active Contour Model for Automatic Images Segmentation

IEEE Access, 2020
Due to the variable shapes of objects, high noise intensity and complex environments, the field of image segmentation still has great challenges. To address these issues, we present a new image segmentation strategy based on active contour model and ...
Xiaoliang Jiang, Jinyun Jiang
doaj   +1 more source