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In recent years, considerable advancements have been made in the area of Generative Adversarial Networks (GANs), particularly with the advent of style-based architectures that address many key shortcomings - both in terms of modeling…

计算机视觉与模式识别 · 计算机科学 2022-08-04 Nikos Kostagiolas , Mihalis A. Nicolaou , Yannis Panagakis

Recent studies on unsupervised image-to-image translation have made a remarkable progress by training a pair of generative adversarial networks with a cycle-consistent loss. However, such unsupervised methods may generate inferior results…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Minjun Li , Haozhi Huang , Lin Ma , Wei Liu , Tong Zhang , Yu-Gang Jiang

Recent advancements in large-scale Vision Transformers have made significant strides in improving pre-trained models for medical image segmentation. However, these methods face a notable challenge in acquiring a substantial amount of…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Yiqing Wang , Zihan Li , Jieru Mei , Zihao Wei , Li Liu , Chen Wang , Shengtian Sang , Alan Yuille , Cihang Xie , Yuyin Zhou

This paper presents an unsupervised Bayesian algorithm for hyperspectral image unmixing accounting for endmember variability. The pixels are modeled by a linear combination of endmembers weighted by their corresponding abundances. However,…

统计方法学 · 统计学 2015-10-28 Abderrahim Halimi , Nicolas Dobigeon , Jean-Yves Tourneret

Presented is a novel way to combine snapshot compressive imaging and lateral shearing interferometry in order to capture the spatio-spectral phase of an ultrashort laser pulse in a single shot. A deep unrolling algorithm is utilised for the…

Unsupervised spectral unmixing consists of representing each observed pixel as a combination of several pure materials called endmembers with their corresponding abundance fractions. Beyond the linear assumption, various nonlinear unmixing…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Tingting Fang , Fei Zhu , Jie Chen

The joint optimization of the reconstruction and classification error is a hard non convex problem, especially when a non linear mapping is utilized. In order to overcome this obstacle, a novel optimization strategy is proposed, in which a…

Radiomic representations can quantify properties of regions of interest in medical image data. Classically, they account for pre-defined statistics of shape, texture, and other low-level image features. Alternatively, deep learning-based…

计算机视觉与模式识别 · 计算机科学 2021-07-14 Hongwei Li , Fei-Fei Xue , Krishna Chaitanya , Shengda Luo , Ivan Ezhov , Benedikt Wiestler , Jianguo Zhang , Bjoern Menze

Deep learning-based image fusion approaches have obtained wide attention in recent years, achieving promising performance in terms of visual perception. However, the fusion module in the current deep learning-based methods suffers from two…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Dongyu Rao , Xiao-Jun Wu , Tianyang Xu , Guoyang Chen

Nonlinear hyperspectral unmixing has recently received considerable attention, as linear mixture models do not lead to an acceptable resolution in some problems. In fact, most nonlinear unmixing methods are designed by assuming specific…

图像与视频处理 · 电气工程与系统科学 2024-02-07 Saeid Mehrdad , Seyed AmirHossein Janani

Super-resolution, which aims to reconstruct high-resolution images from low-resolution images, has drawn considerable attention and has been intensively studied in computer vision and remote sensing communities. The super-resolution…

图像与视频处理 · 电气工程与系统科学 2023-03-21 Rui Li , Xiaowei Zhao

Unregistered hyperspectral image (HSI) super-resolution (SR) typically aims to enhance a low-resolution HSI using an unregistered high-resolution reference image. In this paper, we propose an unmixing-based fusion framework that decouples…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Yingkai Zhang , Tao Zhang , Jing Nie , Ying Fu

Recently, the concept of unsupervised learning for superpixel segmentation via CNNs has been studied. Essentially, such methods generate superpixels by convolutional neural network (CNN) employed on a single image, and such CNNs are trained…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Moshe Eliasof , Nir Ben Zikri , Eran Treister

Deep learning based pan-sharpening has received significant research interest in recent years. Most of existing methods fall into the supervised learning framework in which they down-sample the multi-spectral (MS) and panchromatic (PAN)…

计算机视觉与模式识别 · 计算机科学 2022-06-15 Huanyu Zhou , Qingjie Liu , Dawei Weng , Yunhong Wang

As the electromagnetic environment becomes increasingly complex, Global Navigation Satellite Systems (GNSS) face growing threats from sophisticated jamming interference. Although Deep Learning (DL) effectively identifies basic interference,…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Zhihan Zeng , Yang Zhao , Kaihe Wang , Dusit Niyato , Hongyuan Shu , Junchu Zhao , Yanjun Huang , Yue Xiu , Zhongpei Zhang , Ning Wei

In this study, we propose a novel framework for hyperspectral unmixing by using an improved deep spectral convolution network (DSCN++) combined with endmember uncertainty. DSCN++ is used to compute high-level representations which are…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Savas Ozkan , Gozde Bozdagi Akar

Unsupervised embedding learning aims to extract good representation from data without the need for any manual labels, which has been a critical challenge in many supervised learning tasks. This paper proposes a new unsupervised embedding…

机器学习 · 计算机科学 2020-02-28 Sungwon Han , Yizhan Xu , Sungwon Park , Meeyoung Cha , Cheng-Te Li

Despite the remarkable performance of supervised medical image segmentation models, relying on a large amount of labeled data is impractical in real-world situations. Semi-supervised learning approaches aim to alleviate this challenge using…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Yunyao Lu , Yihang Wu , Ahmad Chaddad , Tareef Daqqaq , Reem Kateb

With the rapid development of deep learning, a variety of change detection methods based on deep learning have emerged in recent years. However, these methods usually require a large number of training samples to train the network model, so…

计算机视觉与模式识别 · 计算机科学 2023-11-08 Weidong Yan , Pei Yan , Li Cao

In this work, we present a wireless localization method that operates on self-supervised and unlabeled channel estimates. Our self-supervising method learns general-purpose channel features robust to fading and system impairments. Learned…

信号处理 · 电气工程与系统科学 2023-02-15 Artan Salihu , Stefan Schwarz , Markus Rupp