中文
相关论文

相关论文: An Active Contour Model with Local Variance Force …

200 篇论文

Image segmentation is still an open problem especially when intensities of the interested objects are overlapped due to the presence of intensity inhomogeneity (also known as bias field). To segment images with intensity inhomogeneities, a…

计算机视觉与模式识别 · 计算机科学 2018-03-09 Chaolu Feng

In-context learning (ICL) with Large Vision Models (LVMs) presents a promising avenue in medical image segmentation by reducing the reliance on extensive labeling. However, the ICL performance of LVMs highly depends on the choices of visual…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Chenwei Wu , David Restrepo , Zitao Shuai , Zhongming Liu , Liyue Shen

Recently, machine learning has been successfully applied to model-based left ventricle (LV) segmentation. The general framework involves two stages, which starts with LV localization and is followed by boundary delineation. Both are driven…

计算机视觉与模式识别 · 计算机科学 2015-07-29 Peng Sun , Haoyin Zhou , Devon Lundine , James K. Min , Guanglei Xiong

Low-dose CT (LDCT) images are often accompanied by significant noise, which negatively impacts image quality and subsequent diagnostic accuracy. To address the challenges of multi-scale feature fusion and diverse noise distribution patterns…

图像与视频处理 · 电气工程与系统科学 2025-05-20 Zhiting Zheng , Shuqi Wu , Wen Ding

Image segmentation is a complex mathematical problem, especially for images that contain intensity inhomogeneity and tightly packed objects with missing boundaries in between. For instance, Magnetic Resonance (MR) muscle images often…

计算机视觉与模式识别 · 计算机科学 2023-09-21 Paramjyoti Mohapatra , Richard Lartey , Weihong Guo , Michael Judkovich , Xiaojuan Li

Learning representations for solutions of constrained optimization problems (COPs) with unknown cost functions is challenging, as models like (Variational) Autoencoders struggle to enforce constraints when decoding structured outputs. We…

机器学习 · 计算机科学 2025-09-22 Alan A. Lahoud , Erik Schaffernicht , Johannes A. Stork

In the contemporary of deep learning, where models often grapple with the challenge of simultaneously achieving robustness against adversarial attacks and strong generalization capabilities, this study introduces an innovative Local Feature…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Yunpeng Gong , Chuangliang Zhang , Yongjie Hou , Lifei Chen , Min Jiang

Parabolic mean curvature flow-driven active contour models (PMCF-ACMs) are widely used for image segmentation, yet they suffer severe degradation under high-intensity noise because gradient-descent evolutions exhibit the well-known zig-zag…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Saiyu Hu , Chunlei He , Jianfeng Zhang , Dexing Kong , Shoujun Huang

In this proposal, we design a learned multi-frequency image compression approach that uses generalized octave convolutions to factorize the latent representations into high-frequency (HF) and low-frequency (LF) components, and the LF…

图像与视频处理 · 电气工程与系统科学 2020-09-29 Jianping Lin , Mohammad Akbari , Haisheng Fu , Qian Zhang , Shang Wang , Jie Liang , Dong Liu , Feng Liang , Guohe Zhang , Chengjie Tu

In this paper, we introduce a framework for segmenting instances of a common object class by multiple active contour evolution over semantic segmentation maps of images obtained through fully convolutional networks. The contour evolution is…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Przemyslaw Polewski , Jacquelyn Shelton , Wei Yao , Marco Heurich

In this paper we present a novel approach for representing and evolving deformable active contours. The method combines piecewise regular B{\'e}zier models and curve evolution defined by local Free Form Deformation. The contour deformation…

机器人学 · 计算机科学 2016-06-16 Ouiddad Labbani I. , Pauline Merveilleux O , Olivier Ruatta

A well-known challenge in beamforming is how to optimally utilize the degrees of freedom (DoF) of the array to design a robust beamformer, especially when the array DoF is limited. In this paper, we leverage the tool of constrained convex…

信息论 · 计算机科学 2022-10-20 Wenqiang Pu , Jinjun Xiao , Tao Zhang , Zhi-Quan Luo

Current medical image segmentation approaches have limitations in deeply exploring multi-scale information and effectively combining local detail textures with global contextual semantic information. This results in over-segmentation,…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Zhenkun Lu , Chaoyin She , Wei Wang , Qinghua Huang

This work proposes a novel convex-non-convex formulation of the image segmentation and the image completion problems. The proposed approach is based on the minimization of a functional involving two distinct regularization terms: one…

数值分析 · 数学 2025-09-01 Mohamed El Guide , Anas El Hachimi , Khalide Jbilou , Lothar Reichel

Learned image compression (LIC) has recently made significant progress, surpassing traditional methods. However, most LIC approaches operate mainly in the spatial domain and lack mechanisms for reducing frequency-domain correlations. To…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Haisheng Fu , Jie Liang , Feng Liang , Zhenman Fang , Guohe Zhang , Jingning Han

Segmenting an image into multiple components is a central task in computer vision. In many practical scenarios, prior knowledge about plausible components is available. Incorporating such prior knowledge into models and algorithms for image…

计算机视觉与模式识别 · 计算机科学 2015-09-08 Loic A. Royer , David L. Richmond , Carsten Rother , Bjoern Andres , Dagmar Kainmueller

Image segmentation is an essential component in many image processing and computer vision tasks. The primary goal of image segmentation is to simplify an image for easier analysis, and there are two broad approaches for achieving this: edge…

计算机视觉与模式识别 · 计算机科学 2021-12-24 J. N. Mueller , J. N. Corcoran

We propose an unsupervised image segmentation approach, that combines a variational energy functional and deep convolutional neural networks. The variational part is based on a recent multichannel multiphase Chan-Vese model, which is…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Nadja Gruber , Johannes Schwab , Sebastien Court , Elke Gizewski , Markus Haltmeier

In object segmentation by active contours, the initial contour is often required. Conventionally, the initial contour is provided by the user. This paper extends the conventional active contour model by incorporating feature matching in the…

计算机视觉与模式识别 · 计算机科学 2013-07-25 Junyan Wang , Kap Luk Chan

This paper applies the recent fast iterative neural network framework, Momentum-Net, using appropriate models to low-dose X-ray computed tomography (LDCT) image reconstruction. At each layer of the proposed Momentum-Net, the model-based…

图像与视频处理 · 电气工程与系统科学 2020-09-10 Siqi Ye , Yong Long , Il Yong Chun