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Convolutional Neural Networks (CNNs) pre-trained on large-scale datasets such as ImageNet are widely used as feature extractors to construct high-accuracy classification models from scarce data for specific tasks. In such scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Daisuke Yasui , Toshitaka Matsuki , Hiroshi Sato

Correspondence pruning aims to establish reliable correspondences between two related images and recover relative camera motion. Existing approaches often employ a progressive strategy to handle the local and global contexts, with a…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Xiangyang Miao , Guobao Xiao , Shiping Wang , Jun Yu

In 3D face reconstruction, orthogonal projection has been widely employed to substitute perspective projection to simplify the fitting process. This approximation performs well when the distance between camera and face is far enough.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-05 Yueying Kao , Bowen Pan , Miao Xu , Jiangjing Lyu , Xiangyu Zhu , Yuanzhang Chang , Xiaobo Li , Zhen Lei

Convolutional Neural Networks (CNNs) are build specifically for computer vision tasks for which it is known that the input data is a hierarchical structure based on locally correlated elements. The question that naturally arises is what…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Cristian Ivan

A prior represents a set of beliefs or assumptions about a system, aiding inference and decision-making. In this paper, we introduce the challenge of unsupervised categorical prior learning in pose estimation, where AI models learn a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Ziyu Wang , Shuangpeng Han , Mengmi Zhang

Colorectal cancer is the fourth leading cause of cancer deaths worldwide and the second leading cause in the United States. The risk of colorectal cancer can be mitigated by the identification and removal of premalignant lesions through…

Computer Vision and Pattern Recognition · Computer Science 2017-11-29 Faisal Mahmood , Nicholas J. Durr

Accurate real-time pose estimation of spacecraft or object in space is a key capability necessary for on-orbit spacecraft servicing and assembly tasks. Pose estimation of objects in space is more challenging than for objects on Earth due to…

Computer Vision and Pattern Recognition · Computer Science 2020-02-20 Shubham Sonawani , Ryan Alimo , Renaud Detry , Daniel Jeong , Andrew Hess , Heni Ben Amor

The adaptability of the convolutional neural network (CNN) technique for aerodynamic meta-modeling tasks is probed in this work. The primary objective is to develop suitable CNN architecture for variable flow conditions and object geometry,…

Machine Learning · Statistics 2018-01-18 Yao Zhang , Woong-Je Sung , Dimitri Mavris

This paper presents a novel approach combining convolutional layers (CLs) and large-margin metric learning for training supervised models on small datasets for texture classification. The core of such an approach is a loss function that…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Jonathan de Matos , Luiz Eduardo Soares de Oliveira , Alceu de Souza Britto Junior , Alessandro Lameiras Koerich

We introduce Continual 3D Convolutional Neural Networks (Co3D CNNs), a new computational formulation of spatio-temporal 3D CNNs, in which videos are processed frame-by-frame rather than by clip. In online tasks demanding frame-wise…

Computer Vision and Pattern Recognition · Computer Science 2023-01-25 Lukas Hedegaard , Alexandros Iosifidis

Deep Convolutional Neural Networks (CNN) have evolved as popular machine learning models for image classification during the past few years, due to their ability to learn the problem-specific features directly from the input images. The…

Computer Vision and Pattern Recognition · Computer Science 2021-01-29 S. H. Shabbeer Basha , Sravan Kumar Vinakota , Shiv Ram Dubey , Viswanath Pulabaigari , Snehasis Mukherjee

We present highly efficient algorithms for performing forward and backward propagation of Convolutional Neural Network (CNN) for pixelwise classification on images. For pixelwise classification tasks, such as image segmentation and object…

Computer Vision and Pattern Recognition · Computer Science 2014-12-17 Hongsheng Li , Rui Zhao , Xiaogang Wang

Ideally, 360{\deg} imagery could inherit the deep convolutional neural networks (CNNs) already trained with great success on perspective projection images. However, existing methods to transfer CNNs from perspective to spherical images…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Yu-Chuan Su , Kristen Grauman

Recent experiments in computer vision demonstrate texture bias as the primary reason for supreme results in models employing Convolutional Neural Networks (CNNs), conflicting with early works claiming that these networks identify objects…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Satyam Mohla , Anshul Nasery , Biplab Banerjee

We propose an end-to-end architecture for joint 2D and 3D human pose estimation in natural images. Key to our approach is the generation and scoring of a number of pose proposals per image, which allows us to predict 2D and 3D poses of…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Gregory Rogez , Philippe Weinzaepfel , Cordelia Schmid

Convolutional Neural Networks (CNNs) are a standard approach for visual recognition due to their capacity to learn hierarchical representations from raw pixels. In practice, practitioners often choose among (i) training a compact custom CNN…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Annoor Sharara Akhand

While 360{\deg} cameras offer tremendous new possibilities in vision, graphics, and augmented reality, the spherical images they produce make core feature extraction non-trivial. Convolutional neural networks (CNNs) trained on images from…

Computer Vision and Pattern Recognition · Computer Science 2018-12-10 Yu-Chuan Su , Kristen Grauman

We present an approach for recognizing all objects in a scene and estimating their full pose from an accurate 3D instance-aware semantic reconstruction using an RGB-D camera. Our framework couples convolutional neural networks (CNNs) and a…

Robotics · Computer Science 2019-10-01 Dinh-Cuong Hoang , Todor Stoyanov , Achim J. Lilienthal

Deep Convolutional Neural Networks (CNN) have exhibited superior performance in many visual recognition tasks including image classification, object detection, and scene label- ing, due to their large learning capacity and resistance to…

Computer Vision and Pattern Recognition · Computer Science 2016-10-12 Miao Sun , Tony X. Han , Xun Xu , Ming-Chang Liu , Ahmad Khodayari-Rostamabad

The segmentation of organs in volumetric medical images plays an important role in computer-aided diagnosis and treatment/surgery planning. Conventional 2D convolutional neural networks (CNNs) can hardly exploit the spatial correlation of…

Image and Video Processing · Electrical Eng. & Systems 2024-05-21 Zhuoyuan Wang , Dong Sun , Xiangyun Zeng , Ruodai Wu , Yi Wang