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Linear chain conditional random fields (CRFs) combined with contextual word embeddings have achieved state of the art performance on sequence labeling tasks. In many of these tasks, the identity of the neighboring words is often the most…

计算与语言 · 计算机科学 2021-03-31 Harshil Shah , Tim Xiao , David Barber

Medical image segmentation plays an important role in accurately identifying and isolating regions of interest within medical images. Generative approaches are particularly effective in modeling the statistical properties of segmentation…

计算机视觉与模式识别 · 计算机科学 2025-02-06 Lea Bogensperger , Dominik Narnhofer , Alexander Falk , Konrad Schindler , Thomas Pock

Learning-based approaches for semantic segmentation have two inherent challenges. First, acquiring pixel-wise labels is expensive and time-consuming. Second, realistic segmentation datasets are highly unbalanced: some categories are much…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Arantxa Casanova , Pedro O. Pinheiro , Negar Rostamzadeh , Christopher J. Pal

Current object segmentation algorithms are based on the hypothesis that one has access to a very large amount of data. In this paper, we aim to segment objects using only tiny datasets. To this extent, we propose a new automatic part-based…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Maxime Tremblay , André Zaccarin

Most state-of-the-art semantic segmentation approaches only achieve high accuracy in good conditions. In practically-common but less-discussed adverse environmental conditions, their performance can decrease enormously. Existing studies…

计算机视觉与模式识别 · 计算机科学 2020-03-04 Weihao Xia , Zhanglin Cheng , Yujiu Yang , Jing-Hao Xue

To segment 4K or 6K ultra high-resolution images needs extra computation consideration in image segmentation. Common strategies, such as down-sampling, patch cropping, and cascade model, cannot address well the balance issue between…

计算机视觉与模式识别 · 计算机科学 2025-02-24 Tiancheng Shen , Yuechen Zhang , Lu Qi , Jason Kuen , Xingyu Xie , Jianlong Wu , Zhe Lin , Jiaya Jia

Deformable image registration is a fundamental task in medical image processing. Traditional optimization-based methods often struggle with accuracy in dealing with complex deformation. Recently, learning-based methods have achieved good…

图像与视频处理 · 电气工程与系统科学 2025-03-04 Lei Zhou , Nimu Yuan , Katjana Ehrlich , Jinyi Qi

This paper addresses the problem of video object segmentation, where the initial object mask is given in the first frame of an input video. We propose a novel spatio-temporal Markov Random Field (MRF) model defined over pixels to handle…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Linchao Bao , Baoyuan Wu , Wei Liu

Neural Radiance Fields (NeRF) achieves photo-realistic image rendering from novel views, and the Neural Scene Graphs (NSG) \cite{ost2021neural} extends it to dynamic scenes (video) with multiple objects. Nevertheless, computationally heavy…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Yeji Song , Chaerin Kong , Seoyoung Lee , Nojun Kwak , Joonseok Lee

Single image super-resolution (SISR) is a challenging ill-posed problem that aims to up-sample a given low-resolution (LR) image to a high-resolution (HR) counterpart. Due to the difficulty in obtaining real LR-HR training pairs, recent…

图像与视频处理 · 电气工程与系统科学 2023-09-01 Reyhaneh Neshatavar , Mohsen Yavartanoo , Sanghyun Son , Kyoung Mu Lee

It is important to extract good features using an encoder to realize semantic segmentation with high accuracy. Although loss function is optimized in training deep neural network, far layers from the layers for computing loss function are…

图像与视频处理 · 电气工程与系统科学 2021-01-21 Takamasa Ando , Kazuhiro Hotta

Recent advancements in open vocabulary models, like CLIP, have notably advanced zero-shot classification and segmentation by utilizing natural language for class-specific embeddings. However, most research has focused on improving model…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Wenfang Sun , Yingjun Du , Gaowen Liu , Ramana Kompella , Cees G. M. Snoek

Deep structured output learning shows great promise in tasks like semantic image segmentation. We proffer a new, efficient deep structured model learning scheme, in which we show how deep Convolutional Neural Networks (CNNs) can be used to…

计算机视觉与模式识别 · 计算机科学 2015-09-09 Guosheng Lin , Chunhua Shen , Ian Reid , Anton van den Hengel

The linear-chain Conditional Random Field (CRF) model is one of the most widely-used neural sequence labeling approaches. Exact probabilistic inference algorithms such as the forward-backward and Viterbi algorithms are typically applied in…

计算与语言 · 计算机科学 2020-10-13 Xinyu Wang , Yong Jiang , Nguyen Bach , Tao Wang , Zhongqiang Huang , Fei Huang , Kewei Tu

Deep learning has successfully been leveraged for medical image segmentation. It employs convolutional neural networks (CNN) to learn distinctive image features from a defined pixel-wise objective function. However, this approach can lead…

图像与视频处理 · 电气工程与系统科学 2021-03-05 Kibrom Berihu Girum , Gilles Créhange , Alain Lalande

Radiance Fields (RF) are popular to represent casually-captured scenes for new view synthesis and several applications beyond it. Mixed reality on personal spaces needs understanding and manipulating scenes represented as RFs, with semantic…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Rahul Goel , Dhawal Sirikonda , Saurabh Saini , PJ Narayanan

Flow matching models have shown great potential in image generation tasks among probabilistic generative models. However, most flow matching models in the literature do not explicitly utilize the underlying clustering structure in the…

计算机视觉与模式识别 · 计算机科学 2025-10-09 Anirban Samaddar , Yixuan Sun , Viktor Nilsson , Sandeep Madireddy

Markov Random Fields (MRFs), a formulation widely used in generative image modeling, have long been plagued by the lack of expressive power. This issue is primarily due to the fact that conventional MRFs formulations tend to use simplistic…

计算机视觉与模式识别 · 计算机科学 2016-09-08 Zhirong Wu , Dahua Lin , Xiaoou Tang

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…

Semantic segmentation is a key computer vision task that has been actively researched for decades. In recent years, supervised methods have reached unprecedented accuracy, however they require many pixel-level annotations for every new…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Nir Zabari , Yedid Hoshen
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