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Window-based transformers have demonstrated outstanding performance in super-resolution tasks due to their adaptive modeling capabilities through local self-attention (SA). However, they exhibit higher computational complexity and inference…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Zhenyu Hu , Wanjie Sun

Clinical MRI encompasses diverse imaging protocols--spanning anatomical targets (cardiac, brain, knee), contrasts (T1, T2, mapping), sampling patterns (Cartesian, radial, spiral, kt-space), and acceleration factors--yet current deep…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Puyang Wang , Pengfei Guo , Keyi Chai , Jinyuan Zhou , Daguang Xu , Shanshan Jiang

Medical image segmentation, a crucial task in computer vision, facilitates the automated delineation of anatomical structures and pathologies, supporting clinicians in diagnosis, treatment planning, and disease monitoring. Notably,…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Fuchen Zheng , Xinyi Chen , Xuhang Chen , Haolun Li , Xiaojiao Guo , Weihuang Liu , Chi-Man Pun , Shoujun Zhou

Objects at different spatial positions in an image exhibit different scales. Adaptive receptive fields are expected to capture suitable ranges of context for accurate pixel level semantic prediction. Recently, atrous convolution with…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Xin Jin , Cuiling Lan , Wenjun Zeng , Zhizheng Zhang , Zhibo Chen

Unsupervised anomaly detection aims to build models to effectively detect unseen anomalies by only training on the normal data. Although previous reconstruction-based methods have made fruitful progress, their generalization ability is…

机器学习 · 计算机科学 2022-01-04 Yuxin Zhang , Jindong Wang , Yiqiang Chen , Han Yu , Tao Qin

The objective of pansharpening and hypersharpening is to accurately combine a high-resolution panchromatic (PAN) image with a low-resolution multispectral (MS) or hyperspectral (HS) image, respectively. Unfolding fusion methods integrate…

图像与视频处理 · 电气工程与系统科学 2024-09-05 Ivan Pereira-Sánchez , Eloi Sans , Julia Navarro , Joan Duran

Tomographic SAR technique has attracted remarkable interest for its ability of three-dimensional resolving along the elevation direction via a stack of SAR images collected from different cross-track angles. The emerged compressed sensing…

信号处理 · 电气工程与系统科学 2023-07-19 Muhan Wang , Zhe Zhang , Xiaolan Qiu , Silin Gao , Yue Wang

Downsampling is widely adopted to achieve a good trade-off between accuracy and latency for visual recognition. Unfortunately, the commonly used pooling layers are not learned, and thus cannot preserve important information. As another…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Ho Man Kwan , Shenghui Song

Magnetic Resonance Imaging (MRI) is widely used in clinical practice, but suffered from prolonged acquisition time. Although deep learning methods have been proposed to accelerate acquisition and demonstrate promising performance, they rely…

图像与视频处理 · 电气工程与系统科学 2025-12-30 Hao Zhang , Qi Wang , Jian Sun , Zhijie Wen , Jun Shi , Shihui Ying

Accurately segmenting brain lesions in MRI scans is critical for providing patients with prognoses and neurological monitoring. However, the performance of CNN-based segmentation methods is constrained by the limited training set size.…

图像与视频处理 · 电气工程与系统科学 2023-07-06 Jiayu Huo , Yang Liu , Xi Ouyang , Alejandro Granados , Sebastien Ourselin , Rachel Sparks

Despite the remarkable progress made by learning based stereo matching algorithms, one key challenge remains unsolved. Current state-of-the-art stereo models are mostly based on costly 3D convolutions, the cubic computational complexity and…

计算机视觉与模式识别 · 计算机科学 2020-04-22 Haofei Xu , Juyong Zhang

Existing deep learning approaches for image super-resolution, particularly those based on CNNs and attention mechanisms, often suffer from structural inflexibility. Although graph-based methods offer greater representational adaptability,…

计算机视觉与模式识别 · 计算机科学 2025-10-09 Qiongyang Hu , Wenyang Liu , Wenbin Zou , Yuejiao Su , Lap-Pui Chau , Yi Wang

This paper tackles the challenging problem of hyperspectral (HS) image denoising. Unlike existing deep learning-based methods usually adopting complicated network architectures or empirically stacking off-the-shelf modules to pursue…

图像与视频处理 · 电气工程与系统科学 2022-07-12 Jinhui Hou , Zhiyu Zhu , Hui Liu , Junhui Hou

Deep subspace clustering methods are now prominent in clustering, typically using fully connected networks and a self-representation loss function. However, these methods often struggle with overfitting and lack interpretability. In this…

计算机视觉与模式识别 · 计算机科学 2024-06-24 Xianlu Li , Nicolas Nadisic , Shaoguang Huang , Aleksandra Pižurica

Unet and its variations have been standard in semantic image segmentation, especially for computer assisted radiology. Current Unet architectures iteratively downsample spatial resolution while increasing channel dimensions to preserve…

计算机视觉与模式识别 · 计算机科学 2025-12-04 Ture Hassler , Ida Åkerholm , Marcus Nordström , Gabriele Balletti , Orcun Goksel

We introduce a novel neural network, SkyReconNet, which combines the expanded receptive fields of dilated convolutional layers along with standard convolutions, to capture both the global and local features for reconstructing the missing…

宇宙学与河外天体物理 · 物理学 2025-05-26 Reyhan D. Lambaga , Vipin Sudevan , Pisin Chen

In this paper, we propose a similarity-aware fusion network (SAFNet) to adaptively fuse 2D images and 3D point clouds for 3D semantic segmentation. Existing fusion-based methods achieve remarkable performances by integrating information…

计算机视觉与模式识别 · 计算机科学 2021-07-20 Linqing Zhao , Jiwen Lu , Jie Zhou

There are considerable interests in automatic stroke lesion segmentation on magnetic resonance (MR) images in the medical imaging field, as stroke is an important cerebrovascular disease. Although deep learning-based models have been…

图像与视频处理 · 电气工程与系统科学 2023-03-07 Weiyi Yu , Zhizhong Huang , Junping Zhang , Hongming Shan

The Resolution of feature maps is critical for medical image segmentation. Most of the existing Transformer-based networks for medical image segmentation are U-Net-like architecture that contains an encoder that utilizes a sequence of…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Chen Wei , Shenghan Ren , Kaitai Guo , Haihong Hu , Jimin Liang

Speed-of-sound is a biomechanical property for quantitative tissue differentiation, with great potential as a new ultrasound-based image modality. A conventional ultrasound array transducer can be used together with an acoustic mirror, or…

计算机视觉与模式识别 · 计算机科学 2018-07-20 Valery Vishnevskiy , Sergio J Sanabria , Orcun Goksel