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Deep neural networks, in particular convolutional neural networks, have become highly effective tools for compressing images and solving inverse problems including denoising, inpainting, and reconstruction from few and noisy measurements.…

计算机视觉与模式识别 · 计算机科学 2019-03-12 Reinhard Heckel , Paul Hand

While great strides have been made in using deep learning algorithms to solve supervised learning tasks, the problem of unsupervised learning - leveraging unlabeled examples to learn about the structure of a domain - remains a difficult…

机器学习 · 计算机科学 2017-03-02 William Lotter , Gabriel Kreiman , David Cox

Surface meshes are widely used shape representations and capture finer geometry data than point clouds or volumetric grids, but are challenging to apply CNNs directly due to their non-Euclidean structure. We use parallel frames on surface…

计算机视觉与模式识别 · 计算机科学 2020-06-15 Yuqi Yang , Shilin Liu , Hao Pan , Yang Liu , Xin Tong

Recently, methods for neural surface representation and rendering, for example NeuS, have shown that learning neural implicit surfaces through volume rendering is becoming increasingly popular and making good progress. However, these…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Hanqi Jiang , Cheng Zeng , Runnan Chen , Shuai Liang , Yinhe Han , Yichao Gao , Conglin Wang

In this paper, we propose a novel hyperspectral unmixing technique based on deep spectral convolution networks (DSCN). Particularly, three important contributions are presented throughout this paper. First, fully-connected linear operation…

计算机视觉与模式识别 · 计算机科学 2018-06-25 Savas Ozkan , Gozde Bozdagi Akar

Recovering structure and motion parameters given a image pair or a sequence of images is a well studied problem in computer vision. This is often achieved by employing Structure from Motion (SfM) or Simultaneous Localization and Mapping…

计算机视觉与模式识别 · 计算机科学 2018-11-07 Thanuja Dharmasiri , Andrew Spek , Tom Drummond

Recent methods for boundary or edge detection built on Deep Convolutional Neural Networks (CNNs) typically suffer from the issue of predicted edges being thick and need post-processing to obtain crisp boundaries. Highly imbalanced…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Ruoxi Deng , Chunhua Shen , Shengjun Liu , Huibing Wang , Xinru Liu

We focus on estimating the 3D orientation of the ground plane from a single image. We formulate the problem as an inter-mingled multi-task prediction problem by jointly optimizing for pixel-wise surface normal direction, ground plane…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Yunze Man , Xinshuo Weng , Xi Li , Kris Kitani

Unsupervised learning based depth estimation methods have received more and more attention as they do not need vast quantities of densely labeled data for training which are touch to acquire. In this paper, we propose a novel unsupervised…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Lingtao Zhou , Jiaojiao Fang , Guizhong Liu

Monocular depth estimation, which plays a key role in understanding 3D scene geometry, is fundamentally an ill-posed problem. Existing methods based on deep convolutional neural networks (DCNNs) have examined this problem by learning…

计算机视觉与模式识别 · 计算机科学 2018-06-13 Huan Fu , Mingming Gong , Chaohui Wang , Dacheng Tao

We address the problem of reconstructing 3D surfaces from depth and surface normal maps acquired by a sensor system based on a single perspective camera. Depth and normal maps can be obtained through techniques such as structured-light…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Ondrej Hlinka , Georg Kaniak , Christian Kapeller

We propose DeepMapping, a novel registration framework using deep neural networks (DNNs) as auxiliary functions to align multiple point clouds from scratch to a globally consistent frame. We use DNNs to model the highly non-convex mapping…

计算机视觉与模式识别 · 计算机科学 2019-04-10 Li Ding , Chen Feng

We introduce a convolutional neural network model for unsupervised learning of depth and ego-motion from cylindrical panoramic video. Panoramic depth estimation is an important technology for applications such as virtual reality, 3D…

计算机视觉与模式识别 · 计算机科学 2020-11-11 Alisha Sharma , Ryan Nett , Jonathan Ventura

Although deep convolutional neural networks (CNNs) have obtained outstanding performance in image superresolution (SR), their computational cost increases geometrically as CNN models get deeper and wider. Meanwhile, the features of…

图像与视频处理 · 电气工程与系统科学 2019-12-02 Seongmin Hwang , Gwanghuyn Yu , Cheolkon Jung , Jinyoung Kim

We present a method to infer a dense depth map from a color image and associated sparse depth measurements. Our main contribution lies in the design of an annealing process for determining co-visibility (occlusions, disocclusions) and the…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Alex Wong , Xiaohan Fei , Byung-Woo Hong , Stefano Soatto

Surface anomaly detection plays an important quality control role in many manufacturing industries to reduce scrap production. Machine-based visual inspections have been utilized in recent years to conduct this task instead of human…

计算机视觉与模式识别 · 计算机科学 2020-11-11 Tareq Tayeh , Sulaiman Aburakhia , Ryan Myers , Abdallah Shami

We investigate unsupervised anomaly detection for high-dimensional data and introduce a deep metric learning (DML) based framework. In particular, we learn a distance metric through a deep neural network. Through this metric, we project the…

机器学习 · 计算机科学 2020-05-13 Selim F. Yilmaz , Suleyman S. Kozat

We propose a deep neural network architecture to infer dense depth from an image and a sparse point cloud. It is trained using a video stream and corresponding synchronized sparse point cloud, as obtained from a LIDAR or other range sensor,…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Alex Wong , Stefano Soatto

3D object detection from a single image without LiDAR is a challenging task due to the lack of accurate depth information. Conventional 2D convolutions are unsuitable for this task because they fail to capture local object and its scale…

计算机视觉与模式识别 · 计算机科学 2019-12-16 Mingyu Ding , Yuqi Huo , Hongwei Yi , Zhe Wang , Jianping Shi , Zhiwu Lu , Ping Luo

This paper presents a novel approach to learn and detect distinctive regions on 3D shapes. Unlike previous works, which require labeled data, our method is unsupervised. We conduct the analysis on point sets sampled from 3D shapes, then…

图形学 · 计算机科学 2020-04-22 Xianzhi Li , Lequan Yu , Chi-Wing Fu , Daniel Cohen-Or , Pheng-Ann Heng