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There has recently been significant interest in training reinforcement learning (RL) agents in vision-based environments. This poses many challenges, such as high dimensionality and the potential for observational overfitting through…

Recently, there has been a lot of progress in reducing the computation of deep models at inference time. These methods can reduce both the computational needs and power usage of deep models. Some of these approaches adaptively scale the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 KL Navaneet , Soroush Abbasi Koohpayegani , Essam Sleiman , Hamed Pirsiavash

We propose an unsupervised image segmentation method using features from pre-trained text-to-image diffusion models. Inspired by classic spectral clustering approaches, we construct adjacency matrices from self-attention layers between…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Daniela Ivanova , Marco Aversa , Paul Henderson , John Williamson

Transformer-based methods have shown impressive performance in low-level vision tasks, such as image super-resolution. However, we find that these networks can only utilize a limited spatial range of input information through attribution…

Image and Video Processing · Electrical Eng. & Systems 2023-03-21 Xiangyu Chen , Xintao Wang , Jiantao Zhou , Yu Qiao , Chao Dong

Medical images such as 3D computerized tomography (CT) scans and pathology images, have hundreds of millions or billions of voxels/pixels. It is infeasible to train CNN models directly on such high resolution images, because neural…

Image and Video Processing · Electrical Eng. & Systems 2019-09-16 Le Hou , Youlong Cheng , Noam Shazeer , Niki Parmar , Yeqing Li , Panagiotis Korfiatis , Travis M. Drucker , Daniel J. Blezek , Xiaodan Song

In this work, we present a novel mask guided attention (MGA) method for fine-grained patchy image classification. The key challenge of fine-grained patchy image classification lies in two folds, ultra-fine-grained inter-category variances…

Computer Vision and Pattern Recognition · Computer Science 2021-09-23 Jun Wang , Xiaohan Yu , Yongsheng Gao

Unsupervised domain adaptation (UDA) aims to adapt a model trained on the source domain (e.g. synthetic data) to the target domain (e.g. real-world data) without requiring further annotations on the target domain. This work focuses on UDA…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Lukas Hoyer , Dengxin Dai , Luc Van Gool

Deep learning has been widely applied to 3D medical image segmentation tasks. However, due to the diversity of imaging modalities, the high-dimensional nature of the data, and the heterogeneity of anatomical structures, achieving both…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Chung-Ming Lo , I-Yun Liu , Wei-Yang Lin

Image registration is an essential but challenging task in medical image computing, especially for echocardiography, where the anatomical structures are relatively noisy compared to other imaging modalities. Traditional (non-learning)…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Zihao Wang , Yingyu Yang , Maxime Sermesant , Herve Delingette

Medical image segmentation is crucial for diagnosis and treatment planning. Traditional CNN-based models, like U-Net, have shown promising results but struggle to capture long-range dependencies and global context. To address these…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Marzia Binta Nizam , Marian Zlateva , James Davis

Vision Transformers have achieved great success in computer visions, delivering exceptional performance across various tasks. However, their inherent reliance on sequential input enforces the manual partitioning of images into patch…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Changzhen Li , Jie Zhang , Yang Wei , Zhilong Ji , Jinfeng Bai , Shiguang Shan

Medical image processing tasks such as segmentation often require capturing non-local information. As organs, bones, and tissues share common characteristics such as intensity, shape, and texture, the contextual information plays a critical…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Samuel Joutard , Reuben Dorent , Amanda Isaac , Sebastien Ourselin , Tom Vercauteren , Marc Modat

Recent advancements in medical imaging have resulted in more complex and diverse images, with challenges such as high anatomical variability, blurred tissue boundaries, low organ contrast, and noise. Traditional segmentation methods…

Image and Video Processing · Electrical Eng. & Systems 2024-11-01 Yufeng Jiang , Zongxi Li , Xiangyan Chen , Haoran Xie , Jing Cai

In this paper, we address cell image segmentation task by Feedback Attention mechanism like feedback processing. Unlike conventional neural network models of feedforward processing, we focused on the feedback processing in human brain and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-17 Hiroki Tsuda , Eisuke Shibuya , Kazuhiro Hotta

Like other applications in computer vision, medical image segmentation has been most successfully addressed using deep learning models that rely on the convolution operation as their main building block. Convolutions enjoy important…

Image and Video Processing · Electrical Eng. & Systems 2022-04-05 Davood Karimi , Serge Vasylechko , Ali Gholipour

Quantitative measurement of crystals in high-resolution images allows for important insights into underlying material characteristics. Deep learning has shown great progress in vision-based automatic crystal size measurement, but current…

Semantic segmentation requires methods capable of learning high-level features while dealing with large volume of data. Towards such goal, Convolutional Networks can learn specific and adaptable features based on the data. However, these…

Computer Vision and Pattern Recognition · Computer Science 2019-10-23 Keiller Nogueira , Mauro Dalla Mura , Jocelyn Chanussot , William R. Schwartz , Jefersson A. dos Santos

We propose an attention-based method that aggregates local image features to a subject-level representation for predicting disease severity. In contrast to classical deep learning that requires a fixed dimensional input, our method operates…

Computer Vision and Pattern Recognition · Computer Science 2018-07-02 Sumedha Singla , Mingming Gong , Siamak Ravanbakhsh , Frank Sciurba , Barnabas Poczos , Kayhan N. Batmanghelich

Vision Transformers (ViTs) have redefined image classification by leveraging self-attention to capture complex patterns and long-range dependencies between image patches. However, a key challenge for ViTs is efficiently incorporating…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Shravan Venkatraman , Jaskaran Singh Walia , Joe Dhanith P R

The present paper develops a general methodology for the morphological segmentation of hyperspectral images, i.e., with an important number of channels. This approach, based on watershed, is composed of a spectral classification to obtain…

Image and Video Processing · Electrical Eng. & Systems 2020-10-05 Guillaume Noyel , Jesus Angulo , Dominique Jeulin