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It is demonstrated that non-constant kernel solution, that can fit the spatial variations of the kernel can be obtained with minimum computing time. The CPU cost required with this new extension of the image subtraction method is almost the…

天体物理学 · 物理学 2007-05-23 C. Alard

In image segmentation, there is often more than one plausible solution for a given input. In medical imaging, for example, experts will often disagree about the exact location of object boundaries. Estimating this inherent uncertainty and…

Manual segmentation of medical images (e.g., segmenting tumors in CT scans) is a high-effort task that can be accelerated with machine learning techniques. However, selecting the right segmentation approach depends on the evaluation…

计算机视觉与模式识别 · 计算机科学 2023-02-09 Seyed M. R. Modaresi , Aomar Osmani , Mohammadreza Razzazi , Abdelghani Chibani

Diffusion Probabilistic Methods are employed for state-of-the-art image generation. In this work, we present a method for extending such models for performing image segmentation. The method learns end-to-end, without relying on a…

计算机视觉与模式识别 · 计算机科学 2022-09-08 Tomer Amit , Tal Shaharbany , Eliya Nachmani , Lior Wolf

Few-shot semantic segmentation (FSS) methods have shown great promise in handling data-scarce scenarios, particularly in medical image segmentation tasks. However, most existing FSS architectures lack sufficient interpretability and fail to…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Shengdong Zhang , Fan Jia , Xiang Li , Hao Zhang , Jun Shi , Liyan Ma , Shihui Ying

We introduce the concept of derivate-based component-trees for images with an arbitrary number of channels. The approach is a natural extension of the classical component-tree devoted to gray-scale images. The similar structure enables the…

计算机视觉与模式识别 · 计算机科学 2018-04-20 Tobias Böttger , Dominik Gutermuth

In this paper, we introduce a novel approach for active contours with free endpoints. A scheme is presented for image segmentation and restoration based on a discrete version of the Mumford-Shah functional where the contours can be both…

计算机视觉与模式识别 · 计算机科学 2016-04-20 Heike Benninghoff , Harald Garcke

In this work we propose a Bayesian framework for fully automated image fusion and their joint segmentation. More specifically, we consider the case where we have observed images of the same object through different image processes or…

数据分析、统计与概率 · 物理学 2007-05-23 Olivier Feron , Ali Mohammad-Djafari

This paper presents a new probabilistic generative model for image segmentation, i.e. the task of partitioning an image into homogeneous regions. Our model is grounded on a mid-level image representation, called a region tree, in which…

机器学习 · 统计学 2015-06-15 Shell X. Hu , Christopher K. I. Williams , Sinisa Todorovic

Image segmentation is a fundamental research topic in image processing and computer vision. In the last decades, researchers developed a large number of segmentation algorithms for various applications. Amongst these algorithms, the…

计算机视觉与模式识别 · 计算机科学 2020-02-26 Faqiang Wang , Cuicui Zhao , Jun Liu , Haiyang Huang

We introduce a guided stochastic sampling method that augments sampling from diffusion models with physics-based guidance derived from partial differential equation (PDE) residuals and observational constraints, ensuring generated samples…

机器学习 · 计算机科学 2026-05-28 Andrew Millard , Fredrik Lindsten , Zheng Zhao

Quantitative measurement of crystals in high-resolution images allows for important insights into underlying material characteristics. Deep learning has shown great progress in vision-based automatic crystal size measurement, but current…

Image segmentation is a fundamental and challenging task in image processing and computer vision. The color image segmentation is attracting more attention due to the color image provides more information than the gray image. In this paper,…

图像与视频处理 · 电气工程与系统科学 2021-03-18 Tingting Wu , Xiaoyu Gu , Jinbo Shao , Ruoxuan Zhou , Zhi Li

Estimating probabilistic deformable template models is a new approach in the fields of computer vision and probabilistic atlases in computational anatomy. A first coherent statistical framework modelling the variability as a hidden random…

统计计算 · 统计学 2009-01-16 Stéphanie Allassonnière , Estelle Kuhn

We introduce a new multi-dimensional nonlinear embedding -- Piecewise Flat Embedding (PFE) -- for image segmentation. Based on the theory of sparse signal recovery, piecewise flat embedding with diverse channels attempts to recover a…

计算机视觉与模式识别 · 计算机科学 2018-08-13 Chaowei Fang , Zicheng Liao , Yizhou Yu

We introduce a new spectral method for image segmentation that incorporates long range relationships for global appearance modeling. The approach combines two different graphs, one is a sparse graph that captures spatial relationships…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Jeova F. S. Rocha Neto , Pedro F. Felzenszwalb

Accurate video prediction by deep neural networks, especially for dynamic regions, is a challenging task in computer vision for critical applications such as autonomous driving, remote working, and telemedicine. Due to inherent…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Kazuki Kotoyori , Shota Hirose , Heming Sun , Jiro Katto

In this work, we present a multiscale kinetic framework for consensus-based image segmentation. By interpreting an image as a system of interacting particles, each pixel is characterised by its spatial position and an internal feature…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Horacio Tettamanti , Giulia Guicciardi , Mattia Zanella

Morphological methods play a crucial role in remote sensing image processing, due to their ability to capture and preserve small structural details. However, most of the existing deep learning models for semantic segmentation are based on…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Jun Xie , Wenxiao Li , Faqiang Wang , Liqiang Zhang , Zhengyang Hou , Jun Liu

Numerous models for supervised and reinforcement learning benefit from combinations of discrete and continuous model components. End-to-end learnable discrete-continuous models are compositional, tend to generalize better, and are more…

机器学习 · 计算机科学 2023-07-27 David Friede , Mathias Niepert