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Deep neural networks have faced many problems in hyperspectral image classification, including the ineffective utilization of spectral-spatial joint information and the problems of gradient vanishing and overfitting that arise with…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Guandong Li , Mengxia Ye

We desgin a novel fully convolutional network architecture for shapes, denoted by Shape Fully Convolutional Networks (SFCN). 3D shapes are represented as graph structures in the SFCN architecture, based on novel graph convolution and…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Pengyu Wang , Yuan Gan , Panpan Shui , Fenggen Yu , Yan Zhang , Songle Chen , Zhengxing Sun

Recent advances in deep learning, especially deep convolutional neural networks (CNNs), have led to significant improvement over previous semantic segmentation systems. Here we show how to improve pixel-wise semantic segmentation by…

Computer Vision and Pattern Recognition · Computer Science 2018-06-04 Panqu Wang , Pengfei Chen , Ye Yuan , Ding Liu , Zehua Huang , Xiaodi Hou , Garrison Cottrell

Conditional medical image generation plays an important role in many clinically relevant imaging tasks. However, existing methods still face a fundamental challenge in balancing inference efficiency, patient-specific fidelity, and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Zirong Li , Siyuan Mei , Weiwen Wu , Andreas Maier , Lina Gölz , Yan Xia

Aiming to obtain a high-resolution image, pansharpening involves the fusion of a multi-spectral image (MS) and a panchromatic image (PAN), the low-level vision task remaining significant and challenging in contemporary research. Most…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Xuanyu Liu , Bonan An

In weakly supervised medical image segmentation, the absence of structural priors and the discreteness of class feature distribution present a challenge, i.e., how to accurately propagate supervision signals from local to global regions…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Yu Lei , Haolun Luo , Lituan Wang , Zhenwei Zhang , Lei Zhang

Dilated convolution, which expands the receptive field by inserting gaps between its consecutive elements, is widely employed in computer vision. In this study, we propose three strategies to improve individual phases of dilated convolution…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Linwei Chen , Lin Gu , Ying Fu

Accurate segmentation of lesion regions is crucial for clinical diagnosis and treatment across various diseases. While deep convolutional networks have achieved satisfactory results in medical image segmentation, they face challenges such…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Yulin Chen , Guoheng Huang , Kai Huang , Zijin Lin , Guo Zhong , Shenghong Luo , Jie Deng , Jian Zhou

Semantic segmentation, which refers to pixel-wise classification of an image, is a fundamental topic in computer vision owing to its growing importance in robot vision and autonomous driving industries. It provides rich information about…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Khwaja Monib Sediqi , Hyo Jong Lee

Text-guided medical segmentation enhances segmentation accuracy by utilizing clinical reports as auxiliary information. However, existing methods typically rely on unaligned image and text encoders, which necessitate complex interaction…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Gaoren Lin , Huangxuan Zhao , Yuan Xiong , Lefei Zhang , Bo Du , Wentao Zhu

Domain generalization (DG) aims to improve the generalizability of computer vision models toward distribution shifts. The mainstream DG methods focus on learning domain invariance, however, such methods overlook the potential inherent in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Shaocong Long , Qianyu Zhou , Xiangtai Li , Chenhao Ying , Yunhai Tong , Lizhuang Ma , Yuan Luo , Dacheng Tao

Modern deep neural networks struggle to transfer knowledge and generalize across diverse domains when deployed to real-world applications. Currently, domain generalization (DG) is introduced to learn a universal representation from multiple…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Yijun Yang , Shujun Wang , Lei Zhu , Lequan Yu

Semantic segmentation, like other fields of computer vision, has seen a remarkable performance advance by the use of deep convolution neural networks. However, considering that neighboring pixels are heavily dependent on each other, both…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Hyojin Park , Jisoo Jeong , Youngjoon Yoo , Nojun Kwak

Deep convolutional neural networks (CNNs) have dominated many computer vision domains because of their great power to extract good features automatically. However, many deep CNNs-based computer vison tasks suffer from lack of training data…

Computer Vision and Pattern Recognition · Computer Science 2018-08-21 Jie Guo , Tingfa Xu , Shenwang Jiang , Ziyi Shen

Deep neural networks face several challenges in hyperspectral image classification, including complex and sparse ground object distributions, small clustered structures, and elongated multi-branch features that often lead to missing…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Guandong Li , Mengxia Ye

Spatial transcriptomic (ST) clustering employs spatial and transcription information to group spots spatially coherent and transcriptionally similar together into the same spatial domain. Graph convolution network (GCN) and graph attention…

Quantitative Methods · Quantitative Biology 2023-10-24 Chen Zhang , Junhui Gao , Lingxin Kong , Guangshuo cao , Xiangyu Guo , Wei Liu

Hyperspectral image (HSI) clustering groups pixels into clusters without labeled data, which is an important yet challenging task. For large-scale HSIs, most methods rely on superpixel segmentation and perform superpixel-level clustering…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Jianhan Qi , Yuheng Jia , Hui Liu , Junhui Hou

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…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Lea Bogensperger , Dominik Narnhofer , Alexander Falk , Konrad Schindler , Thomas Pock

Compared to natural images, medical images usually show stronger visual patterns and therefore this adds flexibility and elasticity to resource-limited clinical applications by injecting proper priors into neural networks. In this paper, we…

Image and Video Processing · Electrical Eng. & Systems 2023-11-28 Hang Zhang , Rongguang Wang , Jinwei Zhang , Dongdong Liu , Chao Li , Jiahao Li

Arbitrary style transfer has been demonstrated to be efficient in artistic image generation. Previous methods either globally modulate the content feature ignoring local details, or overly focus on the local structure details leading to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Wenju Xu , Chengjiang Long , Yongwei Nie