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In this paper, a novel convolutional neural network (CNN)-based framework is developed for light field reconstruction from a sparse set of views. We indicate that the reconstruction can be efficiently modeled as angular restoration on an…

Image and Video Processing · Electrical Eng. & Systems 2021-03-25 Gaochang Wu , Yebin Liu , Lu Fang , Qionghai Dai , Tianyou Chai

The ever-increasing 3D application makes the point cloud compression unprecedentedly important and needed. In this paper, we propose a patch-based compression process using deep learning, focusing on the lossy point cloud geometry…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Kang You , Pan Gao

Depth completion deals with the problem of recovering dense depth maps from sparse ones, where color images are often used to facilitate this task. Recent approaches mainly focus on image guided learning frameworks to predict dense depth.…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Zhiqiang Yan , Kun Wang , Xiang Li , Zhenyu Zhang , Jun Li , Jian Yang

We present a new versatile building block for deep point cloud processing architectures that is equally suited for diverse tasks. This building block combines the ideas of spatial transformers and multi-view convolutional networks with the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Kirill Mazur , Victor Lempitsky

Despite the recent development of deep learning-based point cloud upsampling, most MLP-based point cloud upsampling methods have limitations in that it is difficult to train the local and global structure of the point cloud at the same…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Dohoon Kim , Minwoo Shin , Joonki Paik

In recent years, using a deep convolutional neural network (CNN) as a feature encoder (or backbone) is the most commonly observed architectural pattern in several computer vision methods, and semantic segmentation is no exception. The two…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Venkata Satya Sai Ajay Daliparthi

Existing deep learning methods for the reconstruction and denoising of point clouds rely on small datasets of 3D shapes. We circumvent the problem by leveraging deep learning methods trained on billions of images. We propose a method to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Pietro Bonazzi , Marie-Julie Rakatosaona , Marco Cannici , Federico Tombari , Davide Scaramuzza

We present a cosmic density field reconstruction method that augments the traditional reconstruction algorithms with a convolutional neural network (CNN). Following Shallue $\&$ Eisenstein (2022), the key component of our method is to use…

Cosmology and Nongalactic Astrophysics · Physics 2023-07-05 Xinyi Chen , Fangzhou Zhu , Sasha Gaines , Nikhil Padmanabhan

One of the key drawbacks of 3D convolutional neural networks for segmentation is their memory footprint, which necessitates compromises in the network architecture in order to fit into a given memory budget. Motivated by the RevNet for…

Computer Vision and Pattern Recognition · Computer Science 2019-06-21 Robin Brügger , Christian F. Baumgartner , Ender Konukoglu

3D reconstruction from single view images is an ill-posed problem. Inferring the hidden regions from self-occluded images is both challenging and ambiguous. We propose a two-pronged approach to address these issues. To better incorporate…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Priyanka Mandikal , K L Navaneet , Mayank Agarwal , R. Venkatesh Babu

Point clouds acquired from 3D sensors are usually sparse and noisy. Point cloud upsampling is an approach to increase the density of the point cloud so that detailed geometric information can be restored. In this paper, we propose a Dual…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Zhi-Song Liu , Zijia Wang , Zhen Jia

ObitoNet employs a Cross Attention mechanism to integrate multimodal inputs, where Vision Transformers (ViT) extract semantic features from images and a point cloud tokenizer processes geometric information using Farthest Point Sampling…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Apoorv Thapliyal , Vinay Lanka , Swathi Baskaran

Deep learning architectures are showing great promise in various computer vision domains including image classification, object detection, event detection and action recognition. In this study, we investigate various aspects of…

Computer Vision and Pattern Recognition · Computer Science 2016-08-08 Hilal Ergun , Mustafa Sert

Automatic 3D reconstruction of indoor spaces from 2D floor plans necessitates high-precision semantic segmentation of structural elements, particularly walls. However, existing methods often struggle with detecting thin structures and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Dmitriy Parashchuk , Alexey Kaspshitskiy , Yuriy Karyakin

In this paper, we introduced a novel deep learning-based reconstruction technique for low-dose CT imaging using 3 dimensional convolutions to include the sagittal information unlike the existing 2 dimensional networks which exploits…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Doga Gunduzalp , Batuhan Cengiz , Mehmet Ozan Unal , Isa Yildirim

Convolutional Neural Networks need the construction of informative features, which are determined by channel-wise and spatial-wise information at the network's layers. In this research, we focus on bringing in a novel solution that uses…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Jerrin Bright , Suryaprakash Rajkumar , Arockia Selvakumar Arockia Doss

Recent work has shown that the structure of deep convolutional neural networks can be used as a structured image prior for solving various inverse image restoration tasks. Instead of using hand-designed architectures, we propose to search…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Yun-Chun Chen , Chen Gao , Esther Robb , Jia-Bin Huang

Deep learning and convolutional neural networks (ConvNets) have been successfully applied to most relevant tasks in the computer vision community. However, these networks are computationally demanding and not suitable for embedded devices…

Computer Vision and Pattern Recognition · Computer Science 2016-06-20 Jose Alvarez , Lars Petersson

This paper introduces a deep learning approach for predicting time-dependent full-field damage in concrete. The study uses an auto-regressive U-Net model to predict the evolution of the scalar damage field in a unit cell given…

Machine Learning · Computer Science 2026-03-09 Liya Gaynutdinova , Petr Havlásek , Ondřej Rokoš , Fleur Hendriks , Martin Doškář

We introduce a deep learning-based method to generate full 3D hair geometry from an unconstrained image. Our method can recover local strand details and has real-time performance. State-of-the-art hair modeling techniques rely on large…

Graphics · Computer Science 2018-07-12 Yi Zhou , Liwen Hu , Jun Xing , Weikai Chen , Han-Wei Kung , Xin Tong , Hao Li
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