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A key challenge for LiDAR-based 3D object detection is to capture sufficient features from large scale 3D scenes especially for distant or/and occluded objects. Albeit recent efforts made by Transformers with the long sequence modeling…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Chao Zhou , Yanan Zhang , Jiaxin Chen , Di Huang

The use of deep unfolding networks in compressive sensing (CS) has seen wide success as they provide both simplicity and interpretability. However, since most deep unfolding networks are iterative, this incurs significant redundancies in…

计算机视觉与模式识别 · 计算机科学 2023-05-10 Rawwad Alhejaili , Motaz Alfarraj , Hamzah Luqman , Ali Al-Shaikhi

3D meshes are fundamental data representations for capturing complex geometric shapes in computer vision and graphics applications. While Convolutional Neural Networks (CNNs) have excelled in structured data like images, extending them to…

图形学 · 计算机科学 2025-07-09 Saqib Nazir , Olivier Lézoray , Sébastien Bougleux

Scattering networks are a class of designed Convolutional Neural Networks (CNNs) with fixed weights. We argue they can serve as generic representations for modelling images. In particular, by working in scattering space, we achieve…

The safe operation of automated vehicles depends on their ability to perceive the environment comprehensively. However, occlusion, sensor range, and environmental factors limit their perception capabilities. To overcome these limitations,…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Sven Teufel , Jörg Gamerdinger , Georg Volk , Oliver Bringmann

3D Convolutional Neural Networks are sensitive to transformations applied to their input. This is a problem because a voxelized version of a 3D object, and its rotated clone, will look unrelated to each other after passing through to the…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Daniel Worrall , Gabriel Brostow

Recovering high-resolution images from limited sensory data typically leads to a serious ill-posed inverse problem, demanding inversion algorithms that effectively capture the prior information. Learning a good inverse mapping from training…

计算机视觉与模式识别 · 计算机科学 2018-06-12 Morteza Mardani , Qingyun Sun , Shreyas Vasawanala , Vardan Papyan , Hatef Monajemi , John Pauly , David Donoho

Most traditional algorithms for compressive sensing image reconstruction suffer from the intensive computation. Recently, deep learning-based reconstruction algorithms have been reported, which dramatically reduce the time complexity than…

计算机视觉与模式识别 · 计算机科学 2019-09-05 Hantao Yao , Feng Dai , Dongming Zhang , Yike Ma , Shiliang Zhang , Yongdong Zhang , Qi Tian

Virtual content creation and interaction play an important role in modern 3D applications such as AR and VR. Recovering detailed 3D models from real scenes can significantly expand the scope of its applications and has been studied for…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Hai Li , Xingrui Yang , Hongjia Zhai , Yuqian Liu , Hujun Bao , Guofeng Zhang

In this paper, we introduce 3D-GMNet, a deep neural network for 3D object shape reconstruction from a single image. As the name suggests, 3D-GMNet recovers 3D shape as a Gaussian mixture. In contrast to voxels, point clouds, or meshes, a…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Kohei Yamashita , Shohei Nobuhara , Ko Nishino

The estimation of crowd count in images has a wide range of applications such as video surveillance, traffic monitoring, public safety and urban planning. Recently, the convolutional neural network (CNN) based approaches have been shown to…

计算机视觉与模式识别 · 计算机科学 2018-05-16 Xinghao Ding , Zhirui Lin , Fujin He , Yu Wang , Yue Huang

Deep neural networks (DNNs) are so over-parametrized that recent research has found them to already contain a subnetwork with high accuracy at their randomly initialized state. Finding these subnetworks is a viable alternative training…

计算机视觉与模式识别 · 计算机科学 2021-11-25 Ángel López García-Arias , Masanori Hashimoto , Masato Motomura , Jaehoon Yu

The storage of medical images is one of the challenges in the medical imaging field. There are variable works that use implicit neural representation (INR) to compress volumetric medical images. However, there is room to improve the…

图像与视频处理 · 电气工程与系统科学 2024-03-14 Armin Sheibanifard , Hongchuan Yu

Detecting unseen instances based on multi-view templates is a challenging problem due to its open-world nature. Traditional methodologies, which primarily rely on 2D representations and matching techniques, are often inadequate in handling…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Bowen Li , Jiashun Wang , Yaoyu Hu , Chen Wang , Sebastian Scherer

Recent advances in 3D object detection are made by developing the refinement stage for voxel-based Region Proposal Networks (RPN) to better strike the balance between accuracy and efficiency. A popular approach among state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2022-05-26 Minh-Quan Dao , Elwan Héry , Vincent Frémont

3D shape models are naturally parameterized using vertices and faces, \ie, composed of polygons forming a surface. However, current 3D learning paradigms for predictive and generative tasks using convolutional neural networks focus on a…

计算机视觉与模式识别 · 计算机科学 2017-03-14 Ayan Sinha , Asim Unmesh , Qixing Huang , Karthik Ramani

We introduce and analyze a new technique for model reduction for deep neural networks. While large networks are theoretically capable of learning arbitrarily complex models, overfitting and model redundancy negatively affects the prediction…

机器学习 · 计算机科学 2017-11-27 Alireza Aghasi , Afshin Abdi , Nam Nguyen , Justin Romberg

Concatenation of the deep network representations extracted from different facial patches helps to improve face recognition performance. However, the concatenated facial template increases in size and contains redundant information.…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Yuhang Wu , Ioannis A. Kakadiaris

Deep learning has become an increasingly popular and powerful methodology for modern pattern recognition systems. However, many deep neural networks have millions or billions of parameters, making them untenable for real-world applications…

机器学习 · 计算机科学 2022-02-14 Manoj Alwani , Yang Wang , Vashisht Madhavan

Residual networks (ResNets) are a deep learning architecture that substantially improved the state of the art performance in certain supervised learning tasks. Since then, they have received continuously growing attention. ResNets have a…

机器学习 · 计算机科学 2020-03-02 Johannes Müller