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We present Point-Voxel CNN (PVCNN) for efficient, fast 3D deep learning. Previous work processes 3D data using either voxel-based or point-based NN models. However, both approaches are computationally inefficient. The computation cost and…

计算机视觉与模式识别 · 计算机科学 2019-12-11 Zhijian Liu , Haotian Tang , Yujun Lin , Song Han

In this paper, we propose a novel Convolutional Neural Network (CNN) architecture for learning multi-scale feature representations with good tradeoffs between speed and accuracy. This is achieved by using a multi-branch network, which has…

计算机视觉与模式识别 · 计算机科学 2019-08-01 Chun-Fu Chen , Quanfu Fan , Neil Mallinar , Tom Sercu , Rogerio Feris

Brain tumor segmentation plays a pivotal role in medical image processing. In this work, we aim to segment brain MRI volumes. 3D convolution neural networks (CNN) such as 3D U-Net and V-Net employing 3D convolutions to capture the…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Chen Chen , Xiaopeng Liu , Meng Ding , Junfeng Zheng , Jiangyun Li

Convolutional neural networks (CNN) are limited by the lack of capability to handle geometric information due to the fixed grid kernel structure. The availability of depth data enables progress in RGB-D semantic segmentation with CNNs.…

计算机视觉与模式识别 · 计算机科学 2018-03-20 Weiyue Wang , Ulrich Neumann

The anatomical location of imaging features is of crucial importance for accurate diagnosis in many medical tasks. Convolutional neural networks (CNN) have had huge successes in computer vision, but they lack the natural ability to…

Convolutional neural networks (CNNs) have made great breakthroughs in 2D computer vision. However, their irregular structure makes it hard to harness the potential of CNNs directly on meshes. A subdivision surface provides a hierarchical…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Shi-Min Hu , Zheng-Ning Liu , Meng-Hao Guo , Jun-Xiong Cai , Jiahui Huang , Tai-Jiang Mu , Ralph R. Martin

Extracting features from a huge amount of data for object recognition is a challenging task. Convolution neural network can be used to meet the challenge, but it often requires a large number of computation resources. In this paper, a…

图像与视频处理 · 电气工程与系统科学 2018-05-08 Yunlong Ma , Chunyan Wang

Convolutional neural networks (CNNs) have shown remarkable performance in various computer vision tasks in recent years. However, the increasing model size has raised challenges in adopting them in real-time applications as well as mobile…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Van-Thanh Hoang , Kang-Hyun Jo

3D shape models that directly classify objects from 3D information have become more widely implementable. Current state of the art models rely on deep convolutional and inception models that are resource intensive. Residual neural networks…

计算机视觉与模式识别 · 计算机科学 2017-10-04 Varun Arvind , Anthony Costa , Marcus Badgeley , Samuel Cho , Eric Oermann

Object viewpoint estimation from 2D images is an essential task in computer vision. However, two issues hinder its progress: scarcity of training data with viewpoint annotations, and a lack of powerful features. Inspired by the growing…

计算机视觉与模式识别 · 计算机科学 2015-05-22 Hao Su , Charles R. Qi , Yangyan Li , Leonidas Guibas

Accurate delineation of kidney tumours in Computed Tomography (CT) is essential for downstream quantitative analysis and precision oncology, but manual segmentation is a specialised task, time-consuming and difficult to scale. Automated 3D…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Saúl Alonso-Monsalve , Leigh H. Whitehead , Adam Aurisano , Lorena Escudero Sanchez

Recently, deep convolutional neural networks have achieved great success for medical image segmentation. However, unlike segmentation of natural images, most medical images such as MRI and CT are volumetric data. In order to make full use…

图像与视频处理 · 电气工程与系统科学 2022-02-08 Yichi Zhang , Qingcheng Liao , Le Ding , Jicong Zhang

Convolutional neural networks have been applied to a wide variety of computer vision tasks. Recent advances in semantic segmentation have enabled their application to medical image segmentation. While most CNNs use two-dimensional kernels,…

计算机视觉与模式识别 · 计算机科学 2017-07-26 Baris Kayalibay , Grady Jensen , Patrick van der Smagt

Deep neural networks (DNNs) have shown remarkable performance improvements on vision-related tasks such as object detection or image segmentation. Despite their success, they generally lack the understanding of 3D objects which form the…

计算机视觉与模式识别 · 计算机科学 2020-08-03 Hiroharu Kato , Deniz Beker , Mihai Morariu , Takahiro Ando , Toru Matsuoka , Wadim Kehl , Adrien Gaidon

Inspired by the success of recent vision transformers and large kernel design in convolutional neural networks (CNNs), in this paper, we analyze and explore essential reasons for their success. We claim two factors that are critical for 3D…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Xiang-Li Li , Meng-Hao Guo , Tai-Jiang Mu , Ralph R. Martin , Shi-Min Hu

Deep convolutional neural networks (DCNNs) have substantially advanced object detection capabilities, particularly in remote sensing imagery. However, challenges persist, especially in detecting small objects where the high resolution of…

计算机视觉与模式识别 · 计算机科学 2025-12-04 Jiahao Zhang , Xiao Zhao , Guangyu Gao

We propose spatial semantic embedding network (SSEN), a simple, yet efficient algorithm for 3D instance segmentation using deep metric learning. The raw 3D reconstruction of an indoor environment suffers from occlusions, noise, and is…

计算机视觉与模式识别 · 计算机科学 2020-07-08 Dongsu Zhang , Junha Chun , Sang Kyun Cha , Young Min Kim

Convolutional neural network (CNN) slides a kernel over the whole image to produce an output map. This kernel scheme reduces the number of parameters with respect to a fully connected neural network (NN). While CNN has proven to be an…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Ihsan Ullah , Alfredo Petrosino

We propose a novel 3D face recognition algorithm using a deep convolutional neural network (DCNN) and a 3D augmentation technique. The performance of 2D face recognition algorithms has significantly increased by leveraging the…

计算机视觉与模式识别 · 计算机科学 2017-04-03 Donghyun Kim , Matthias Hernandez , Jongmoo Choi , Gerard Medioni

We present Neural Kernel Fields: a novel method for reconstructing implicit 3D shapes based on a learned kernel ridge regression. Our technique achieves state-of-the-art results when reconstructing 3D objects and large scenes from sparse…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Francis Williams , Zan Gojcic , Sameh Khamis , Denis Zorin , Joan Bruna , Sanja Fidler , Or Litany