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In this paper we present a new model and an algorithm for unsupervised clustering of 2-D data such as images. We assume that the data comes from a union of multilinear subspaces (UOMS) model, which is a specific structured case of the much…

信息论 · 计算机科学 2015-12-22 Eric Kernfeld , Nathan Majumder , Shuchin Aeron , Misha Kilmer

Even though convolutional neural networks (CNNs) are driving progress in medical image segmentation, standard models still have some drawbacks. First, the use of multi-scale approaches, i.e., encoder-decoder architectures, leads to a…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Ashish Sinha , Jose Dolz

Statistical Shape Modeling (SSM) effectively analyzes anatomical variations within populations but is limited by the need for manual localization and segmentation, which relies on scarce medical expertise. Recent advances in deep learning…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Janmesh Ukey , Tushar Kataria , Shireen Y. Elhabian

State-of-the-art methods for semantic segmentation of images involve computationally intensive neural network architectures. Most of these methods are not adaptable to high-resolution image segmentation due to memory and other computational…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Siddharth Saravanan , Aditya Challa , Sravan Danda

This paper presents a pixel selection method for compact image representation based on superpixel segmentation and tensor completion. Our method divides the image into several regions that capture important textures or semantics and selects…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Maame G. Asante-Mensah , Anh Huy Phan , Salman Ahmadi-Asl , Zaher Al Aghbari , Andrzej Cichocki

Obtaining semantic labels on a large scale radiology image database (215,786 key images from 61,845 unique patients) is a prerequisite yet bottleneck to train highly effective deep convolutional neural network (CNN) models for image…

计算机视觉与模式识别 · 计算机科学 2016-03-28 Xiaosong Wang , Le Lu , Hoo-chang Shin , Lauren Kim , Isabella Nogues , Jianhua Yao , Ronald Summers

In the strong lensing regime non-parametric lens models struggle to achieve sufficient angular resolution for a meaningful derivation of the central cluster mass distribution. The problem lies mainly with cluster members which perturb…

宇宙学与河外天体物理 · 物理学 2015-06-15 Irene Sendra , Jose M. Diego , Tom Broadhurst , Ruth Lazkoz

Semantic image segmentation is an important computer vision task that is difficult because it consists of both recognition and segmentation. The task is often cast as a structured output problem on an exponentially large output-space, which…

计算机视觉与模式识别 · 计算机科学 2017-09-07 Payman Yadollahpour

Image restoration is the task of aiming to obtain a high-quality image from a corrupt input image, such as deblurring and deraining. In image restoration, it is typically necessary to maintain a complex balance between spatial details and…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Hu Gao , Jing Yang , Ying Zhang , Ning Wang , Jingfan Yang , Depeng Dang

Self-supervised visual pre-training methods face an inherent tension: contrastive learning (CL) captures global semantics but loses fine-grained detail, while masked image modeling (MIM) preserves local textures but suffers from "attention…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Wenzhao Xiang , Yue Wu , Hongyang Yu , Feng Gao , Fan Yang , Xilin Chen

We present a novel clustering objective that learns a neural network classifier from scratch, given only unlabelled data samples. The model discovers clusters that accurately match semantic classes, achieving state-of-the-art results in…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Xu Ji , João F. Henriques , Andrea Vedaldi

Being able to learn dense semantic representations of images without supervision is an important problem in computer vision. However, despite its significance, this problem remains rather unexplored, with a few exceptions that considered…

计算机视觉与模式识别 · 计算机科学 2021-08-04 Wouter Van Gansbeke , Simon Vandenhende , Stamatios Georgoulis , Luc Van Gool

As a common method in the field of computer vision, spatial attention mechanism has been widely used in semantic segmentation of remote sensing images due to its outstanding long-range dependency modeling capability. However, remote sensing…

图像与视频处理 · 电气工程与系统科学 2025-01-24 Xiaowen Ma , Rongrong Lian , Zhenkai Wu , Renxiang Guan , Tingfeng Hong , Mengjiao Zhao , Mengting Ma , Jiangtao Nie , Zhenhong Du , Siyang Song , Wei Zhang

This paper focuses on scalability and robustness of spectral clustering for extremely large-scale datasets with limited resources. Two novel algorithms are proposed, namely, ultra-scalable spectral clustering (U-SPEC) and ultra-scalable…

机器学习 · 计算机科学 2019-03-06 Dong Huang , Chang-Dong Wang , Jian-Sheng Wu , Jian-Huang Lai , Chee-Keong Kwoh

Image segmentation holds a vital position in the realms of diagnosis and treatment within the medical domain. Traditional convolutional neural networks (CNNs) and Transformer models have made significant advancements in this realm, but they…

图像与视频处理 · 电气工程与系统科学 2024-05-06 Hao Tang , Lianglun Cheng , Guoheng Huang , Zhengguang Tan , Junhao Lu , Kaihong Wu

We present MambaCSR, a simple but effective framework based on Mamba for the challenging compressed image super-resolution (CSR) task. Particularly, the scanning strategies of Mamba are crucial for effective contextual knowledge modeling in…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Yulin Ren , Xin Li , Mengxi Guo , Bingchen Li , Shijie Zhao , Zhibo Chen

Semantic segmentation necessitates approaches that learn high-level characteristics while dealing with enormous amounts of data. Convolutional neural networks (CNNs) can learn unique and adaptive features to achieve this aim. However, due…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Hasan AlMarzouqi , Lyes Saad Saoud

Imaging spectrometers measure electromagnetic energy scattered in their instantaneous field view in hundreds or thousands of spectral channels with higher spectral resolution than multispectral cameras. Imaging spectrometers are therefore…

数据分析、统计与概率 · 物理学 2012-04-25 José M. Bioucas-Dias , Antonio Plaza , Nicolas Dobigeon , Mario Parente , Qian Du , Paul Gader , Jocelyn Chanussot

Ultra-high-definition (UHD) images often suffer from severe degradations such as blur, haze, rain, or low-light conditions, which pose significant challenges for image restoration due to their high resolution and computational demands. In…

图像与视频处理 · 电气工程与系统科学 2025-11-10 S. Zhao , W. Lu , B. Wang , T. Wang , K. Zhang , H. Zhao

Feature fusion plays a crucial role in unconstrained face recognition where inputs (probes) comprise of a set of $N$ low quality images whose individual qualities vary. Advances in attention and recurrent modules have led to feature fusion…

计算机视觉与模式识别 · 计算机科学 2023-02-17 Minchul Kim , Feng Liu , Anil Jain , Xiaoming Liu