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Current CNN-based super-resolution (SR) methods process all locations equally with computational resources being uniformly assigned in space. However, since missing details in low-resolution (LR) images mainly exist in regions of edges and…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Longguang Wang , Xiaoyu Dong , Yingqian Wang , Xinyi Ying , Zaiping Lin , Wei An , Yulan Guo

With the wide application of sparse ToF sensors in mobile devices, RGB image-guided sparse depth completion has attracted extensive attention recently, but still faces some problems. First, the fusion of multimodal information requires more…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Dewang Hou , Yuanyuan Du , Kai Zhao , Yang Zhao

Estimating a dense and accurate depth map is the key requirement for autonomous driving and robotics. Recent advances in deep learning have allowed depth estimation in full resolution from a single image. Despite this impressive result,…

计算机视觉与模式识别 · 计算机科学 2020-08-13 Sungho Yoon , Ayoung Kim

Depth completion aims to generate a dense depth map from the sparse depth map and aligned RGB image. However, current depth completion methods use extremely expensive 64-line LiDAR(about $100,000) to obtain sparse depth maps, which will…

计算机视觉与模式识别 · 计算机科学 2021-06-25 Hengjie Lu , Shugong Xu , Shan Cao

In this paper, we propose a robust and efficient end-to-end non-local spatial propagation network for depth completion. The proposed network takes RGB and sparse depth images as inputs and estimates non-local neighbors and their affinities…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Jinsun Park , Kyungdon Joo , Zhe Hu , Chi-Kuei Liu , In So Kweon

Sufficient dimension reduction (SDR) methods, which often rely on class precision matrices, are widely used in supervised statistical classification problems. However, when class-specific sample sizes are small relative to the original…

统计方法学 · 统计学 2025-06-25 Derik T. Boonstra , Rakheon Kim , Dean M. Young

We propose a novel plug-and-play (PnP) module for improving depth prediction with taking arbitrary patterns of sparse depths as input. Given any pre-trained depth prediction model, our PnP module updates the intermediate feature map such…

图像与视频处理 · 电气工程与系统科学 2019-04-12 Tsun-Hsuan Wang , Fu-En Wang , Juan-Ting Lin , Yi-Hsuan Tsai , Wei-Chen Chiu , Min Sun

The basic framework of depth completion is to predict a pixel-wise dense depth map using very sparse input data. In this paper, we try to solve this problem in a more effective way, by reformulating the regression-based depth estimation…

计算机视觉与模式识别 · 计算机科学 2021-04-16 Byeong-Uk Lee , Kyunghyun Lee , In So Kweon

Dense depth cues are important and have wide applications in various computer vision tasks. In autonomous driving, LIDAR sensors are adopted to acquire depth measurements around the vehicle to perceive the surrounding environments. However,…

计算机视觉与模式识别 · 计算机科学 2020-02-21 Zixuan Huang , Junming Fan , Shenggan Cheng , Shuai Yi , Xiaogang Wang , Hongsheng Li

Cross-domain recommendation (CDR) has been attracting increasing attention of researchers for its ability to alleviate the data sparsity problem in recommender systems. However, the existing single-target or dual-target CDR methods often…

信息检索 · 计算机科学 2022-01-19 Xiaoyun Zhao , Ning Yang , Philip S. Yu

Depth completion aims to predict a dense depth map from a color image with sparse depth measurements. Although deep learning methods have achieved state-of-the-art (SOTA), effectively handling the sparse and irregular nature of input depth…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Jie Tang , Pingping Xie , Jian Li , Ping Tan

Our long term goal is to use image-based depth completion to quickly create 3D models from sparse point clouds, e.g. from SfM or SLAM. Much progress has been made in depth completion. However, most current works assume well distributed…

计算机视觉与模式识别 · 计算机科学 2022-12-05 Yuqun Wu , Jae Yong Lee , Derek Hoiem

Self-supervised monocular depth prediction provides a cost-effective solution to obtain the 3D location of each pixel. However, the existing approaches usually lead to unsatisfactory accuracy, which is critical for autonomous robots. In…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Ziyue Feng , Longlong Jing , Peng Yin , Yingli Tian , Bing Li

Dense depth estimation using millimeter-wave radar typically requires dense LiDAR supervision, generated via multi-frame projection and interpolation, for guiding the learning of accurate depth from sparse radar measurements and RGB images.…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Xingrui Qin , Wentao Zhao , Chuan Cao , Yihe Niu , Tianchen Deng , Houcheng Jiang , Rui Guo , Jingchuan Wang

This work proposes a new method to accurately complete sparse LiDAR maps guided by RGB images. For autonomous vehicles and robotics the use of LiDAR is indispensable in order to achieve precise depth predictions. A multitude of applications…

计算机视觉与模式识别 · 计算机科学 2019-02-15 Wouter Van Gansbeke , Davy Neven , Bert De Brabandere , Luc Van Gool

We present a deep learning system to infer the posterior distribution of a dense depth map associated with an image, by exploiting sparse range measurements, for instance from a lidar. While the lidar may provide a depth value for a small…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Yanchao Yang , Alex Wong , Stefano Soatto

Transparent and reflective objects in everyday environments pose significant challenges for depth sensors due to their unique visual properties, such as specular reflections and light transmission. These characteristics often lead to…

机器人学 · 计算机科学 2025-06-12 Guanghu Xie , Zhiduo Jiang , Yonglong Zhang , Yang Liu , Zongwu Xie , Baoshi Cao , Hong Liu

Depth Completion deals with the problem of converting a sparse depth map to a dense one, given the corresponding color image. Convolutional spatial propagation network (CSPN) is one of the state-of-the-art (SoTA) methods of depth…

计算机视觉与模式识别 · 计算机科学 2019-11-25 Xinjing Cheng , Peng Wang , Chenye Guan , Ruigang Yang

Depth completion aims to derive a dense depth map from sparse depth measurements with a synchronized color image. Current state-of-the-art (SOTA) methods are predominantly propagation-based, which work as an iterative refinement on the…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Jie Tang , Fei-Peng Tian , Boshi An , Jian Li , Ping Tan

Super-resolution theory aims to estimate the discrete components lying in a continuous space that constitute a sparse signal with optimal precision. This work investigates the potential of recent super-resolution techniques for spectral…

信息论 · 计算机科学 2016-11-24 M. Ferreira Da Costa , W. Dai