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Omnidirectional images and spherical representations of $3D$ shapes cannot be processed with conventional 2D convolutional neural networks (CNNs) as the unwrapping leads to large distortion. Using fast implementations of spherical and…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Suhas Lohit , Shubhendu Trivedi

Large occlusions result in a significant decline in image classification accuracy. During inference, diverse types of unseen occlusions introduce out-of-distribution data to the classification model, leading to accuracy dropping as low as…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Ketan Kotwal , Tanay Deshmukh , Preeti Gopal

Aiming for higher-level scene understanding, this work presents a neural network approach that takes a road-layout map in bird's-eye-view as input, and predicts a human-interpretable graph that represents the road's topological layout. Our…

计算机视觉与模式识别 · 计算机科学 2022-05-02 Chenyang Lu , Gijs Dubbelman

The conventional mesh-based Level of Detail (LoD) technique, exemplified by applications such as Google Earth and many game engines, exhibits the capability to holistically represent a large scene even the Earth, and achieves rendering with…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Jiabin Liang , Lanqing Zhang , Zhuoran Zhao , Xiangyu Xu

Quantitative T1rho mapping has shown promise in clinical and research studies. However, it suffers from long scan times. Deep learning-based techniques have been successfully applied in accelerated quantitative MR parameter mapping.…

图像与视频处理 · 电气工程与系统科学 2024-07-25 Yuanyuan Liu , Jinwen Xie , Zhuo-Xu Cui , Qingyong Zhu , Jing Cheng , Dong Liang , Yanjie Zhu

Neural implicit representations have emerged as a powerful paradigm for 3D reconstruction. However, despite their success, existing methods fail to capture fine geometric details and thin structures, especially in scenarios where only…

计算机视觉与模式识别 · 计算机科学 2025-04-23 Aarya Patel , Hamid Laga , Ojaswa Sharma

Continual learning has been extensively studied for classification tasks with methods developed to primarily avoid catastrophic forgetting, a phenomenon where earlier learned concepts are forgotten at the expense of more recent samples. In…

机器学习 · 计算机科学 2022-09-12 Anh Thai , Stefan Stojanov , Zixuan Huang , Isaac Rehg , James M. Rehg

Scale-space representation has been popular in computer vision community due to its theoretical foundation. The motivation for generating a scale-space representation of a given data set originates from the basic observation that real-world…

计算机视觉与模式识别 · 计算机科学 2018-05-15 Qilu Zhao , Zongmin Li

Keypoint-based representation has proven advantageous in various visual and robotic tasks. However, the existing 2D and 3D methods for detecting keypoints mainly rely on geometric consistency to achieve spatial alignment, neglecting…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Chengliang Zhong , Yuhang Zheng , Yupeng Zheng , Hao Zhao , Li Yi , Xiaodong Mu , Ling Wang , Pengfei Li , Guyue Zhou , Chao Yang , Xinliang Zhang , Jian Zhao

Grasping objects of different shapes and sizes - a foundational, effortless skill for humans - remains a challenging task in robotics. Although model-based approaches can predict stable grasp configurations for known object models, they…

机器人学 · 计算机科学 2022-11-22 Malte Mosbach , Sven Behnke

Incremental learning aims to enable machine learning models to continuously acquire new knowledge given new classes, while maintaining the knowledge already learned for old classes. Saving a subset of training samples of previously seen…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Jian Jiang , Edoardo Cetin , Oya Celiktutan

Spatiotemporal Traffic Data (STTD) measures the complex dynamical behaviors of the multiscale transportation system. Existing methods aim to reconstruct STTD using low-dimensional models. However, they are limited to data-specific…

机器学习 · 计算机科学 2024-10-25 Tong Nie , Guoyang Qin , Wei Ma , Jian Sun

Accurate fault detection in high-dimensional industrial environments remains a major challenge due to the inherent complexity, noise, and redundancy in sensor data. This paper introduces CLAIRE, i.e., a hybrid end-to-end learning framework…

机器学习 · 计算机科学 2026-03-09 Mohammadhossein Ghahramani , Mengchu Zhou

Recent progress in 4D implicit representation focuses on globally controlling the shape and motion with low dimensional latent vectors, which is prone to missing surface details and accumulating tracking error. While many deep local…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Boyan Jiang , Xinlin Ren , Mingsong Dou , Xiangyang Xue , Yanwei Fu , Yinda Zhang

The representation of geometry in real-time 3D perception systems continues to be a critical research issue. Dense maps capture complete surface shape and can be augmented with semantic labels, but their high dimensionality makes them…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Michael Bloesch , Jan Czarnowski , Ronald Clark , Stefan Leutenegger , Andrew J. Davison

Neural implicit representations are widely used for 3D shape modeling due to their smoothness and compactness, but traditional MLP-based methods struggle with sharp features, such as edges and corners in CAD models, and require long…

图形学 · 计算机科学 2025-03-18 Guying Lin , Lei Yang , Congyi Zhang , Hao Pan , Yuhan Ping , Guodong Wei , Taku Komura , John Keyser , Wenping Wang

This paper addresses key challenges in object-centric representation learning of video. While existing approaches struggle with complex scenes, we propose a novel weakly-supervised framework that emphasises geometric understanding and…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Phúc H. Le Khac , Graham Healy , Alan F. Smeaton

We introduce anchored radial observations (ARO), a novel shape encoding for learning implicit field representation of 3D shapes that is category-agnostic and generalizable amid significant shape variations. The main idea behind our work is…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Yizhi Wang , Zeyu Huang , Ariel Shamir , Hui Huang , Hao Zhang , Ruizhen Hu

Representations are crucial for a robot to learn effective navigation policies. Recent work has shown that mid-level perceptual abstractions, such as depth estimates or 2D semantic segmentation, lead to more effective policies when provided…

机器人学 · 计算机科学 2022-05-09 Zachary Ravichandran , Lisa Peng , Nathan Hughes , J. Daniel Griffith , Luca Carlone

We introduce a novel self-supervised learning framework that automatically learns representations from input computer-aided design (CAD) models for downstream tasks, including part classification, modeling segmentation, and machining…

图形学 · 计算机科学 2026-03-18 Yifei Li , Kang Wu , Wenming Wu , Xiao-Ming Fu
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