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Semantic segmentation of electron microscopy (EM) is an essential step to efficiently obtain reliable morphological statistics. Despite the great success achieved using deep convolutional neural networks (CNNs), they still produce coarse…

Computer Vision and Pattern Recognition · Computer Science 2021-01-11 Zhimin Yuan , Xiaofen Ma , Jiajin Yi , Zhengrong Luo , Jialin Peng

Modern perception increasingly relies on fisheye, panoramic, and other wide field-of-view (FoV) cameras, yet most pipelines still apply planar CNNs designed for pinhole imagery on 2D grids, where pixel-space neighborhoods misrepresent…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Mukai Yu , Mosam Dabhi , Liuyue Xie , Sebastian Scherer , László A. Jeni

Despite the great success of convolutional neural networks (CNN) for the image classification task on datasets like Cifar and ImageNet, CNN's representation power is still somewhat limited in dealing with object images that have large…

Computer Vision and Pattern Recognition · Computer Science 2016-08-02 Peng Tang , Xinggang Wang , Baoguang Shi , Xiang Bai , Wenyu Liu , Zhuowen Tu

The application of 3D ViTs to medical image segmentation has seen remarkable strides, somewhat overshadowing the budding advancements in Convolutional Neural Network (CNN)-based models. Large kernel depthwise convolution has emerged as a…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Ho Hin Lee , Quan Liu , Qi Yang , Xin Yu , Shunxing Bao , Yuankai Huo , Bennett A. Landman

Images captured by fisheye lenses violate the pinhole camera assumption and suffer from distortions. Rectification of fisheye images is therefore a crucial preprocessing step for many computer vision applications. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2018-04-16 Xiaoqing Yin , Xinchao Wang , Jun Yu , Maojun Zhang , Pascal Fua , Dacheng Tao

Recently, the advent of deep learning has spurred interest in the development of physics-informed neural networks (PINN) for efficiently solving partial differential equations (PDEs), particularly in a parametric setting. Among all…

Image and Video Processing · Electrical Eng. & Systems 2021-07-20 Han Gao , Luning Sun , Jian-Xun Wang

Medical image segmentation plays a vital role in various clinical applications, enabling accurate delineation and analysis of anatomical structures or pathological regions. Traditional CNNs have achieved remarkable success in this field.…

Image and Video Processing · Electrical Eng. & Systems 2024-04-18 Seyed M. R. Modaresi , Aomar Osmani , Mohammadreza Razzazi , Abdelghani Chibani

Neural networks based on convolutional operations have achieved remarkable results in the field of deep learning, but there are two inherent flaws in standard convolutional operations. On the one hand, the convolution operation is confined…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Xin Zhang , Yingze Song , Tingting Song , Degang Yang , Yichen Ye , Jie Zhou , Liming Zhang

Image downscaling is a fundamental operation in image processing, crucial for adapting high-resolution content to various display and storage constraints. While classic methods often introduce blurring or aliasing, recent learning-based…

Image and Video Processing · Electrical Eng. & Systems 2025-11-04 Piyush Narhari Pise , Sanjay Ghosh

This paper presents a new deep-learning based method to simultaneously calibrate the intrinsic parameters of fisheye lens and rectify the distorted images. Assuming that the distorted lines generated by fisheye projection should be straight…

Computer Vision and Pattern Recognition · Computer Science 2019-05-02 Zhucun Xue , Nan Xue , Gui-Song Xia , Weiming Shen

The convolution operation is a central building block of neural network architectures widely used in computer vision. The size of the convolution kernels determines both the expressiveness of convolutional neural networks (CNN), as well as…

Image and Video Processing · Electrical Eng. & Systems 2022-10-10 Tianyu Ma , Adrian V. Dalca , Mert R. Sabuncu

Deep neural networks have been applied to improve the image quality of fluorescence microscopy imaging. Previous methods are based on convolutional neural networks (CNNs) which generally require more time-consuming training of separate…

Reconstructing both objects and hands in 3D from a single RGB image is complex. Existing methods rely on manually defined hand-object constraints in Euclidean space, leading to suboptimal feature learning. Compared with Euclidean space,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Zhiying Leng , Shun-Cheng Wu , Mahdi Saleh , Antonio Montanaro , Hao Yu , Yin Wang , Nassir Navab , Xiaohui Liang , Federico Tombari

Omni-directional cameras have many advantages overconventional cameras in that they have a much wider field-of-view (FOV). Accordingly, several approaches have beenproposed recently to apply convolutional neural networks(CNNs) to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Yeonkun Lee , Jaeseok Jeong , Jongseob Yun , Wonjune Cho , Kuk-Jin Yoon

Robots operating in human-centered environments, such as retail stores, restaurants, and households, are often required to distinguish between similar objects in different contexts with a high degree of accuracy. However, fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Songsong Xiong , Georgios Tziafas , Hamidreza Kasaei

Histology images are inherently symmetric under rotation, where each orientation is equally as likely to appear. However, this rotational symmetry is not widely utilised as prior knowledge in modern Convolutional Neural Networks (CNNs),…

Image and Video Processing · Electrical Eng. & Systems 2020-07-21 Simon Graham , David Epstein , Nasir Rajpoot

In modern computer vision, images are typically represented as a fixed uniform grid with some stride and processed via a deep convolutional neural network. We argue that deforming the grid to better align with the high-frequency image…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Jun Gao , Zian Wang , Jinchen Xuan , Sanja Fidler

With the rapid development of deep learning, a variety of change detection methods based on deep learning have emerged in recent years. However, these methods usually require a large number of training samples to train the network model, so…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Weidong Yan , Pei Yan , Li Cao

Fisheye image rectification aims to correct distortions in images taken with fisheye cameras. Although current models show promising results on images with a similar degree of distortion as the training data, they will produce sub-optimal…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 Pengbo Guo , Chengxu Liu , Xingsong Hou , Xueming Qian

3D object reconstruction is a fundamental task of many robotics and AI problems. With the aid of deep convolutional neural networks (CNNs), 3D object reconstruction has witnessed a significant progress in recent years. However, possibly due…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Hanqing Wang , Jiaolong Yang , Wei Liang , Xin Tong