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Vision Transformer shows great superiority in medical image segmentation due to the ability in learning long-range dependency. For medical image segmentation from 3D data, such as computed tomography (CT), existing methods can be broadly…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Sucheng Ren , Xiaomeng Li

Most existing transformer based video instance segmentation methods extract per frame features independently, hence it is challenging to solve the appearance deformation problem. In this paper, we observe the temporal information is…

Computer Vision and Pattern Recognition · Computer Science 2023-01-24 Zhenghao Zhang , Fangtao Shao , Zuozhuo Dai , Siyu Zhu

Deep learning has significantly advanced automated brain tumor diagnosis, yet clinical adoption remains limited by interpretability and computational constraints. Conventional models often act as opaque ''black boxes'' and fail to quantify…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Sepehr Salem Ghahfarokhi , M. Moein Esfahani , Raj Sunderraman , Vince Calhoun , Mohammed Alser

We present a new boundary sensitive framework for polyp segmentation, called Polyper. Our method is motivated by a clinical approach that seasoned medical practitioners often leverage the inherent features of interior polyp regions to…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Hao Shao , Yang Zhang , Qibin Hou

Face swapping aims to generate swapped images that fuse the identity of source faces and the attributes of target faces. Most existing works address this challenging task through 3D modelling or generation using generative adversarial…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Kaiwen Cui , Rongliang Wu , Fangneng Zhan , Shijian Lu

Weakly supervised medical image segmentation (MIS) using generative models is crucial for clinical diagnosis. However, the accuracy of the segmentation results is often limited by insufficient supervision and the complex nature of medical…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Zhihao Shuai , Yinan Chen , Shunqiang Mao , Yihan Zho , Xiaohong Zhang

Collimation in X-ray imaging restricts exposure to the region-of-interest (ROI) and minimizes the radiation dose applied to the patient. The detection of collimator shadows is an essential image-based preprocessing step in digital…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 Benjamin El-Zein , Dominik Eckert , Andreas Fieselmann , Christopher Syben , Ludwig Ritschl , Steffen Kappler , Sebastian Stober

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

Image inpainting is an ill-posed problem to recover missing or damaged image content based on incomplete images with masks. Previous works usually predict the auxiliary structures (e.g., edges, segmentation and contours) to help fill…

Computer Vision and Pattern Recognition · Computer Science 2022-08-26 Yongsheng Yu , Dawei Du , Libo Zhang , Tiejian Luo

Segmentation is a key stage in dermoscopic image processing, where the accuracy of the border line that defines skin lesions is of utmost importance for subsequent algorithms (e.g., classification) and computer-aided early diagnosis of…

Computer Vision and Pattern Recognition · Computer Science 2019-02-21 Pedro M. M. Pereira , Rui Fonseca-Pinto , Rui Pedro Paiva , Luis M. N. Tavora , Pedro A. A. Assuncao , Sergio M. M. de Faria

Computed Tomography (CT) based precise prostate segmentation for treatment planning is challenging due to (1) the unclear boundary of the prostate derived from CT's poor soft tissue contrast and (2) the limitation of convolutional neural…

Image and Video Processing · Electrical Eng. & Systems 2023-07-20 Chengyin Li , Yao Qiang , Rafi Ibn Sultan , Hassan Bagher-Ebadian , Prashant Khanduri , Indrin J. Chetty , Dongxiao Zhu

Polyp segmentation is a crucial step towards computer-aided diagnosis of colorectal cancer. However, most of the polyp segmentation methods require pixel-wise annotated datasets. Annotated datasets are tedious and time-consuming to produce,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Guangyu Ren , Michalis Lazarou , Jing Yuan , Tania Stathaki

Visible light optical coherence tomography (vis-OCT) is gaining traction for retinal imaging due to its high resolution and functional capabilities. However, the significant absorption of hemoglobin in the visible light range leads to…

Image and Video Processing · Electrical Eng. & Systems 2024-11-14 Razieh Ganjee , Bingjie Wang , Lingyun Wang , Chengcheng Zhao , José-Alain Sahel , Shaohua Pi

Segmentation is an essential operation of image processing. The convolution operation suffers from a limited receptive field, while global modelling is fundamental to segmentation tasks. In this paper, we apply graph convolution into the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Yanda Meng , Hongrun Zhang , Dongxu Gao , Yitian Zhao , Xiaoyun Yang , Xuesheng Qian , Xiaowei Huang , Yalin Zheng

Transformer-based models have achieved remarkable success in natural language and vision tasks, but their application to gene expression analysis remains limited due to data sparsity, high dimensionality, and missing values. We present…

Machine Learning · Computer Science 2025-04-15 Shuai Jiang , Saeed Hassanpour

A Transformer-based deep direct sampling method is proposed for electrical impedance tomography, a well-known severely ill-posed nonlinear boundary value inverse problem. A real-time reconstruction is achieved by evaluating the learned…

Machine Learning · Computer Science 2023-03-07 Ruchi Guo , Shuhao Cao , Long Chen

In panoptic segmentation, individual instances must be separated within semantic classes. As state-of-the-art methods rely on a pre-defined set of classes, they struggle with novel categories and out-of-distribution (OOD) data. This is…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Sebastian Schmidt , Julius Körner , Dominik Fuchsgruber , Stefano Gasperini , Federico Tombari , Stephan Günnemann

Brain lesion segmentation plays an essential role in neurological research and diagnosis. As brain lesions can be caused by various pathological alterations, different types of brain lesions tend to manifest with different characteristics…

Image and Video Processing · Electrical Eng. & Systems 2024-07-17 Xinru Zhang , Ni Ou , Berke Doga Basaran , Marco Visentin , Mengyun Qiao , Renyang Gu , Cheng Ouyang , Yaou Liu , Paul M. Matthew , Chuyang Ye , Wenjia Bai

Video segmentation encompasses a wide range of categories of problem formulation, e.g., object, scene, actor-action and multimodal video segmentation, for delineating task-specific scene components with pixel-level masks. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Rezaul Karim , Richard P. Wildes

Early detection of melanoma is crucial for preventing severe complications and increasing the chances of successful treatment. Existing deep learning approaches for melanoma skin lesion diagnosis are deemed black-box models, as they omit…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Cristiano Patrício , João C. Neves , Luís F. Teixeira