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Learning-based deformable image registration (DIR) accelerates alignment by amortizing traditional optimization via neural networks. Label supervision further enhances accuracy, enabling efficient and precise nonlinear alignment of unseen…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Hang Zhang , Xiang Chen , Renjiu Hu , Rongguang Wang , Jinwei Zhang , Min Liu , Yaonan Wang , Gaolei Li , Xinxing Cheng , Jinming Duan

Hyperspectral image (HSI) denoising is of crucial importance for many subsequent applications, such as HSI classification and interpretation. In this paper, we propose an attention-based deep residual network to directly learn a mapping…

Image and Video Processing · Electrical Eng. & Systems 2020-03-05 Yongsen Zhao , Deming Zhai , Junjun Jiang , Xianming Liu

Over the past decade, Deep Convolutional Neural Networks have been widely adopted for medical image segmentation and shown to achieve adequate performance. However, due to the inherent inductive biases present in the convolutional…

Computer Vision and Pattern Recognition · Computer Science 2021-07-08 Jeya Maria Jose Valanarasu , Poojan Oza , Ilker Hacihaliloglu , Vishal M. Patel

In human neuroimaging studies, atlas registration enables mapping MRI scans to a common coordinate frame, which is necessary to aggregate data from multiple subjects. Machine learning registration methods have achieved excellent speed and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Karthik Gopinath , Xiaoling Hu , Malte Hoffmann , Oula Puonti , Juan Eugenio Iglesias

Registration is an important task in automated medical image analysis. Although deep learning (DL) based image registration methods out perform time consuming conventional approaches, they are heavily dependent on training data and do not…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Dwarikanath Mahapatra , Zongyuan Ge

In general, the problem of non-rigid registration is about matching two different scans of a dynamic object taken at two different points in time. These scans can undergo both rigid motions and non-rigid deformations. Since new parts of the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Alireza Ahmadi

In this report we present an unsupervised image registration framework, using a pre-trained deep neural network as a feature extractor. We refer this to zero-shot learning, due to nonoverlap between training and testing dataset (none of the…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Avinash Kori , Ganapathi Krishnamurthi

The recent statistical theory of neural networks focuses on nonparametric denoising problems that treat randomness as additive noise. Variability in image classification datasets does, however, not originate from additive noise but from…

Statistics Theory · Mathematics 2025-08-19 Juntong Chen , Sophie Langer , Johannes Schmidt-Hieber

Recently, Transformer-based image restoration networks have achieved promising improvements over convolutional neural networks due to parameter-independent global interactions. To lower computational cost, existing works generally limit…

Computer Vision and Pattern Recognition · Computer Science 2023-02-06 Jiale Zhang , Yulun Zhang , Jinjin Gu , Yongbing Zhang , Linghe Kong , Xin Yuan

Deep learning based methods provide efficient solutions to medical image registration, including the challenging problem of diffeomorphic image registration. However, most methods register normal image pairs, facing difficulty handling…

Image and Video Processing · Electrical Eng. & Systems 2023-03-17 Ankita Joshi , Yi Hong

Learning to generate natural scenes has always been a daunting task in computer vision. This is even more laborious when generating images with very different views. When the views are very different, the view fields have little overlap or…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Hao Ding , Songsong Wu , Hao Tang , Fei Wu , Guangwei Gao , Xiao-Yuan Jing

In recent years, mobile Internet has accelerated the proliferation of smart mobile development. The mobile payment, mobile security and privacy protection have become the focus of widespread attention. Iris recognition becomes a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Siming Zheng , Rahmita Wirza O. K. Rahmat , Fatimah Khalid , Nurul Amelina Nasharuddin

Deformable image registration (DIR), aiming to find spatial correspondence between images, is one of the most critical problems in the domain of medical image analysis. In this paper, we present a novel, generic, and accurate diffeomorphic…

Computer Vision and Pattern Recognition · Computer Science 2023-02-08 Yifan Wu , Tom Z. Jiahao , Jiancong Wang , Paul A. Yushkevich , M. Ani Hsieh , James C. Gee

Convolutional Neural Networks (CNNs) are highly effective for image reconstruction problems. Typically, CNNs are trained on large amounts of training images. Recently, however, un-trained CNNs such as the Deep Image Prior and Deep Decoder…

Image and Video Processing · Electrical Eng. & Systems 2021-04-29 Mohammad Zalbagi Darestani , Reinhard Heckel

We present VoxelMorph, a fast learning-based framework for deformable, pairwise medical image registration. Traditional registration methods optimize an objective function for each pair of images, which can be time-consuming for large…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Guha Balakrishnan , Amy Zhao , Mert R. Sabuncu , John Guttag , Adrian V. Dalca

We present a novel usage of Transformers to make image classification interpretable. Unlike mainstream classifiers that wait until the last fully connected layer to incorporate class information to make predictions, we investigate a…

In this paper, we summarize the methods and experimental results we proposed for Task 2 in the learn2reg 2024 Challenge. This task focuses on unsupervised registration of anatomical structures in brain MRI images between different patients.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Yuxi Zhang , Xiang Chen , Jiazheng Wang , Min Liu , Yaonan Wang , Dongdong Liu , Renjiu Hu , Hang Zhang

Deformable medical image registration is a fundamental task in medical image analysis. While deep learning-based methods have demonstrated superior accuracy and computational efficiency compared to traditional techniques, they often…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Ahsan Raza Siyal , Markus Haltmeier , Ruth Steiger , Malik Galijasevic , Elke Ruth Gizewski , Astrid Ellen Grams

Existing image-to-image transformation approaches primarily focus on synthesizing visually pleasing data. Generating images with correct identity labels is challenging yet much less explored. It is even more challenging to deal with image…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Wei Xiong , Yutong He , Yixuan Zhang , Wenhan Luo , Lin Ma , Jiebo Luo

Deformable registration is a crucial step in many medical procedures such as image-guided surgery and radiation therapy. Most recent learning-based methods focus on improving the accuracy by optimizing the non-linear spatial correspondence…

Image and Video Processing · Electrical Eng. & Systems 2021-10-05 Minh Q. Tran , Tuong Do , Huy Tran , Erman Tjiputra , Quang D. Tran , Anh Nguyen