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Wide-angle fisheye images are becoming increasingly common for perception tasks in applications such as robotics, security, and mobility (e.g. drones, avionics). However, current models often either ignore the distortions in wide-angle…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Akshaya Athwale , Ichrak Shili , Émile Bergeron , Ola Ahmad , Jean-François Lalonde

When taking images of some occluded content, one is often faced with the problem that every individual image frame contains unwanted artifacts, but a collection of images contains all relevant information if properly aligned and aggregated.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Monika Kwiatkowski , Simon Matern , Olaf Hellwich

We propose a semi-supervised network for wide-angle portraits correction. Wide-angle images often suffer from skew and distortion affected by perspective distortion, especially noticeable at the face regions. Previous deep learning based…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Fushun Zhu , Shan Zhao , Peng Wang , Hao Wang , Hua Yan , Shuaicheng Liu

Ultrasound imaging is crucial for evaluating organ morphology and function, yet depth adjustment can degrade image quality and field-of-view, presenting a depth-dependent dilemma. Traditional interpolation-based zoom-in techniques often…

Image and Video Processing · Electrical Eng. & Systems 2024-03-27 Jintong Hu , Hui Che , Zishuo Li , Wenming Yang

Automatic medical image segmentation has made great progress benefit from the development of deep learning. However, most existing methods are based on convolutional neural networks (CNNs), which fail to build long-range dependencies and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Ailiang Lin , Bingzhi Chen , Jiayu Xu , Zheng Zhang , Guangming Lu

The Swin transformer has recently attracted attention in medical image analysis due to its computational efficiency and long-range modeling capability. Owing to these properties, the Swin Transformer is suitable for establishing more…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Mingrui Ma , Tao Wang , Lei Song , Weijie Wang , Guixia Liu

Despite the tantalizing success in a broad of vision tasks, transformers have not yet demonstrated on-par ability as ConvNets in high-resolution image generative modeling. In this paper, we seek to explore using pure transformers to build a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Bowen Zhang , Shuyang Gu , Bo Zhang , Jianmin Bao , Dong Chen , Fang Wen , Yong Wang , Baining Guo

Real-world image denoising is a practical image restoration problem that aims to obtain clean images from in-the-wild noisy inputs. Recently, the Vision Transformer (ViT) has exhibited a strong ability to capture long-range dependencies,…

Computer Vision and Pattern Recognition · Computer Science 2022-09-14 Hao Li , Zhijing Yang , Xiaobin Hong , Ziying Zhao , Junyang Chen , Yukai Shi , Jinshan Pan

High-resolution wide-angle fisheye images are becoming more and more important for robotics applications such as autonomous driving. However, using ordinary convolutional neural networks or vision transformers on this data is problematic…

Computer Vision and Pattern Recognition · Computer Science 2024-05-09 Oscar Carlsson , Jan E. Gerken , Hampus Linander , Heiner Spieß , Fredrik Ohlsson , Christoffer Petersson , Daniel Persson

The formidable accomplishment of Transformers in natural language processing has motivated the researchers in the computer vision community to build Vision Transformers. Compared with the Convolution Neural Networks (CNN), a Vision…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Tan Yu , Ping Li

Super-resolution, which aims to reconstruct high-resolution images from low-resolution images, has drawn considerable attention and has been intensively studied in computer vision and remote sensing communities. The super-resolution…

Image and Video Processing · Electrical Eng. & Systems 2023-03-21 Rui Li , Xiaowei Zhao

This paper presents a new vision Transformer, called Swin Transformer, that capably serves as a general-purpose backbone for computer vision. Challenges in adapting Transformer from language to vision arise from differences between the two…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Ze Liu , Yutong Lin , Yue Cao , Han Hu , Yixuan Wei , Zheng Zhang , Stephen Lin , Baining Guo

The proliferation of deepfake technology poses significant challenges to the authenticity and trustworthiness of digital media, necessitating the development of robust detection methods. This study explores the application of Swin…

Computer Vision and Pattern Recognition · Computer Science 2025-02-03 Aprille J. Xi , Eason Chen

Image restoration has witnessed significant advancements with the development of deep learning models. Transformer-based models, particularly those using window-based self-attention, have become a dominant force. However, their performance…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Gang Wu , Junjun Jiang , Kui Jiang , Xianming Liu , Liqiang Nie

Monocular depth estimation plays a critical role in various computer vision and robotics applications such as localization, mapping, and 3D object detection. Recently, learning-based algorithms achieve huge success in depth estimation by…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Dongseok Shim , H. Jin Kim

Narrowband perfect absorbers are interesting for spectrum sensing, molecular detection, and infrared imaging. However, their design remains constrained by intuitive, iterative methods that lack flexibility, while also facing challenges in…

Optics · Physics 2026-02-04 H. Shen , T. Wang , X. Yao , O. Wu , C. Xie , C. Qian , H. Chen , T. Wang

In panorama understanding, the widely used equirectangular projection (ERP) entails boundary discontinuity and spatial distortion. It severely deteriorates the conventional CNNs and vision Transformers on panoramas. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Zhixin Ling , Zhen Xing , Xiangdong Zhou , Manliang Cao , Guichun Zhou

Currently, this paper is under review in IEEE. Transformers have intrigued the vision research community with their state-of-the-art performance in natural language processing. With their superior performance, transformers have found their…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Preetam Ghosh , Swalpa Kumar Roy , Bikram Koirala , Behnood Rasti , Paul Scheunders

Deep Neural Network (DNN) based super-resolution algorithms have greatly improved the quality of the generated images. However, these algorithms often yield significant artifacts when dealing with real-world super-resolution problems due to…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Kangfu Mei , Shenglong Ye , Rui Huang

The wide-angle lens shows appealing applications in VR technologies, but it introduces severe radial distortion into its captured image. To recover the realistic scene, previous works devote to rectifying the content of the wide-angle…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Kang Liao , Lang Nie , Chunyu Lin , Zishuo Zheng , Yao Zhao
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