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Transformer-based models have transformed the landscape of natural language processing (NLP) and are increasingly applied to computer vision tasks with remarkable success. These models, renowned for their ability to capture long-range…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Gracile Astlin Pereira , Muhammad Hussain

The success of Transformer in computer vision has attracted increasing attention in the medical imaging community. Especially for medical image segmentation, many excellent hybrid architectures based on convolutional neural networks (CNNs)…

图像与视频处理 · 电气工程与系统科学 2022-07-26 Wentao Liu , Tong Tian , Weijin Xu , Huihua Yang , Xipeng Pan , Songlin Yan , Lemeng Wang

Convolutional Neural Networks (CNNs) have been successful in solving tasks in computer vision including medical image segmentation due to their ability to automatically extract features from unstructured data. However, CNNs are sensitive to…

图像与视频处理 · 电气工程与系统科学 2022-03-18 Minh Tran , Viet-Khoa Vo-Ho , Kyle Quinn , Hien Nguyen , Khoa Luu , Ngan Le

In this work, we consider nonnegative matrix factorization (NMF) with a regularization that promotes small volume of the convex hull spanned by the basis matrix. We present highly efficient algorithms for three different volume…

数值分析 · 计算机科学 2020-01-14 M. S. Ang , Nicolas Gillis

Neural networks are powerful function estimators, leading to their status as a paradigm of choice for modeling structured data. However, unlike other structured representations that emphasize the modularity of the problem -- e.g., factor…

机器学习 · 计算机科学 2022-06-20 Tsvetomila Mihaylova , Vlad Niculae , André F. T. Martins

Nonnegative matrix factorization (NMF) is a widely used tool for learning parts-based, low-dimensional representations of nonnegative data, with applications in vision, text, and bioinformatics. In clustering applications, orthogonal NMF…

机器学习 · 计算机科学 2025-12-10 Manh Nguyen , Daniel Pimentel-Alarcón

The advent of Transformer and Mamba-based architectures has significantly advanced 3D medical image segmentation by enabling global contextual modeling, a capability traditionally limited in Convolutional Neural Networks (CNNs). However,…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Duy D. Nguyen , Phat T. Tran-Truong

Domain-generalized urban-scene semantic segmentation (USSS) aims to learn generalized semantic predictions across diverse urban-scene styles. Unlike domain gap challenges, USSS is unique in that the semantic categories are often similar in…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Qi Bi , Shaodi You , Theo Gevers

The brain uses positive signals as a means of signaling. Forward interactions in the early visual cortex are also positive, realized by excitatory synapses. Only local interactions also include inhibition. Non-negative matrix factorization…

机器学习 · 计算机科学 2025-03-27 Mahbod Nouri , David Rotermund , Alberto Garcia-Ortiz , Klaus R. Pawelzik

The separability assumption (Donoho & Stodden, 2003; Arora et al., 2012) turns non-negative matrix factorization (NMF) into a tractable problem. Recently, a new class of provably-correct NMF algorithms have emerged under this assumption. In…

机器学习 · 统计学 2012-10-04 Abhishek Kumar , Vikas Sindhwani , Prabhanjan Kambadur

In the past few years, convolutional neural networks (CNNs), particularly U-Net, have been the prevailing technique in the medical image processing era. Specifically, the seminal U-Net, as well as its alternatives, have successfully managed…

计算机视觉与模式识别 · 计算机科学 2022-07-28 Reza Azad , Mohammad T. AL-Antary , Moein Heidari , Dorit Merhof

Convolutive Non-Negative Matrix Factorization model factorizes a given audio spectrogram using frequency templates with a temporal dimension. In this paper, we present a convolutional auto-encoder model that acts as a neural network…

声音 · 计算机科学 2017-09-26 Shrikant Venkataramani , Y. Cem Subakan , Paris Smaragdis

Computed Tomography (CT) based precise prostate segmentation for treatment planning is challenging due to (1) the unclear boundary of the prostate derived from CT's poor soft tissue contrast and (2) the limitation of convolutional neural…

图像与视频处理 · 电气工程与系统科学 2023-07-20 Chengyin Li , Yao Qiang , Rafi Ibn Sultan , Hassan Bagher-Ebadian , Prashant Khanduri , Indrin J. Chetty , Dongxiao Zhu

The layers of convolutional neural networks (CNNs) can be used to alter the resolution of their inputs, but the scaling factors are limited to integer values. However, in many image and video processing applications, the ability to resize…

图像与视频处理 · 电气工程与系统科学 2021-05-24 Li-Heng Chen , Christos G. Bampis , Zhi Li , Chao Chen , Alan C. Bovik

We propose Factorization Memory, an efficient recurrent neural network (RNN) architecture that achieves performance comparable to Transformer models on short-context language modeling tasks while also demonstrating superior generalization…

计算与语言 · 计算机科学 2025-11-04 Lee Xiong , Maksim Tkachenko , Johanes Effendi , Ting Cai

Non-negative Matrix Factorization (NMF) is an intensively used technique for obtaining parts-based, lower dimensional and non-negative representation. Researchers in biology, medicine, pharmacy and other fields often prefer NMF over other…

机器学习 · 计算机科学 2025-02-04 Matej Mihelčić , Pauli Miettinen

Fully convolutional neural networks (CNNs) have proven to be effective at representing and classifying textural information, thus transforming image intensity into output class masks that achieve semantic image segmentation. In medical…

计算机视觉与模式识别 · 计算机科学 2019-09-12 Ali Hatamizadeh , Demetri Terzopoulos , Andriy Myronenko

Medical image segmentation is crucial for the development of computer-aided diagnostic and therapeutic systems, but still faces numerous difficulties. In recent years, the commonly used encoder-decoder architecture based on CNNs has been…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Davoud Saadati , Omid Nejati Manzari , Sattar Mirzakuchaki

Accurate medical image segmentation is essential for clinical diagnosis and treatment planning. While recent interactive foundation models (e.g., nnInteractive) enhance generalization through large-scale multimodal pretraining, they still…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Ziyu Zhang , Yi Yu , Simeng Zhu , Ahmed Aly , Yunhe Gao , Ning Gu , Yuan Xue

Both Convolutional Neural Networks (CNNs) and Transformers have shown great success in semantic segmentation tasks. Efforts have been made to integrate CNNs with Transformer models to capture both local and global context interactions.…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Guoan Xu , Wenjing Jia , Tao Wu , Ligeng Chen , Guangwei Gao