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Multi-focus image fusion (MFIF) and super-resolution (SR) are the inverse problem of imaging model, purposes of MFIF and SR are obtaining all-in-focus and high-resolution 2D mapping of targets. Though various MFIF and SR methods have been…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Yuanjie Gu , Yinghan Guan , Zhibo Xiao , Haoran Dai , Cheng Liu , Shouyu Wang

3D time-of-flight (ToF) imaging is used in a variety of applications such as augmented reality (AR), computer interfaces, robotics and autonomous systems. Single-photon avalanche diodes (SPADs) are one of the enabling technologies providing…

图像与视频处理 · 电气工程与系统科学 2021-10-13 Germán Mora-Martín , Alex Turpin , Alice Ruget , Abderrahim Halimi , Robert Henderson , Jonathan Leach , Istvan Gyongy

Depth from focus (DFF) is one of the classical ill-posed inverse problems in computer vision. Most approaches recover the depth at each pixel based on the focal setting which exhibits maximal sharpness. Yet, it is not obvious how to…

计算机视觉与模式识别 · 计算机科学 2018-10-30 Caner Hazirbas , Sebastian Georg Soyer , Maximilian Christian Staab , Laura Leal-Taixé , Daniel Cremers

Despite the quality improvement brought by the recent methods, video super-resolution (SR) is still very challenging, especially for videos that are low-light and noisy. The current best solution is to subsequently employ best models of…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Xiaogang Xu , Ruixing Wang , Chi-Wing Fu , Jiaya Jia

Time-of-Flight (ToF) cameras are subject to high levels of noise and distortions due to Multi-Path-Interference (MPI). While recent research showed that 2D neural networks are able to outperform previous traditional State-of-the-Art (SOTA)…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Michael Schelling , Pedro Hermosilla , Timo Ropinski

Sparse active illumination enables precise time-of-flight depth sensing as it maximizes signal-to-noise ratio for low power budgets. However, depth completion is required to produce dense depth maps for 3D perception. We address this task…

计算机视觉与模式识别 · 计算机科学 2022-05-26 Xiaowen Jiang , Valerio Cambareri , Gianluca Agresti , Cynthia Ifeyinwa Ugwu , Adriano Simonetto , Fabien Cardinaux , Pietro Zanuttigh

Time-of-Flight (ToF) cameras require active illumination to obtain depth information thus the power of illumination directly affects the performance of ToF cameras. Traditional ToF imaging algorithms is very sensitive to illumination and…

计算机视觉与模式识别 · 计算机科学 2018-12-20 Yan Chen , Jimmy Ren , Xuanye Cheng , Keyuan Qian , Jinwei Gu

We introduce Reality Fusion, a novel robot teleoperation system that localizes, streams, projects, and merges a typical onboard depth sensor with a photorealistic, high resolution, high framerate, and wide field of view (FoV) rendering of…

机器人学 · 计算机科学 2025-08-08 Ke Li , Reinhard Bacher , Susanne Schmidt , Wim Leemans , Frank Steinicke

Accurate rotational odometry is crucial for autonomous robotic systems, particularly for small, power-constrained platforms such as drones and mobile robots. This study introduces thermal-gyro fusion, a novel sensor fusion approach that…

机器人学 · 计算机科学 2025-06-17 Farida Mohsen , Ali Safa

A prototype of DIRC-like Time-of-Flight detector (DTOF), including a pico-second time measurement electronics, is developed and tested preliminarily. The basic structure of DTOF is composed of a fused silica radiator connected to fast…

仪器与探测器 · 物理学 2018-06-08 Qiang Cao , Xin Li , Liwei Wang , Jie Kuang , Yonggang Wang , Cheng Li

Detecting fast-moving objects, such as unmanned aerial vehicle (UAV), from event camera data is challenging due to the sparse, asynchronous nature of the input. Traditional Discrete Fourier Transforms (DFT) are effective at identifying…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Michael Bezick , Majid Sahin

Robust segmentation of hair from portrait images remains challenging: hair does not conform to a uniform shape, style or even color; dark hair in particular lacks features. We present a novel computational imaging solution that tackles the…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Yuanxi Ma , Cen Wang , Shiying Li , Jingyi Yu

We introduce a high throughput 3D scanning solution specifically designed to precisely measure cattle phenotypes. This scanner leverages an array of depth sensors, i.e. time-of-flight (Tof) sensors, each governed by dedicated embedded…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Gbenga Omotara , Seyed Mohamad Ali Tousi , Jared Decker , Derek Brake , Guilherme N. DeSouza

Camera and LiDAR sensor modalities provide complementary appearance and geometric information useful for detecting 3D objects for autonomous vehicle applications. However, current end-to-end fusion methods are challenging to train and…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Anas Mahmoud , Jordan S. K. Hu , Steven L. Waslander

A variety of techniques such as light field, structured illumination, and time-of-flight (TOF) are commonly used for depth acquisition in consumer imaging, robotics and many other applications. Unfortunately, each technique suffers from its…

计算机视觉与模式识别 · 计算机科学 2015-09-03 Suren Jayasuriya , Adithya Pediredla , Sriram Sivaramakrishnan , Alyosha Molnar , Ashok Veeraraghavan

Defocus Blur Detection(DBD) aims to separate in-focus and out-of-focus regions from a single image pixel-wisely. This task has been paid much attention since bokeh effects are widely used in digital cameras and smartphone photography.…

计算机视觉与模式识别 · 计算机科学 2020-07-17 Xiaodong Cun , Chi-Man Pun

We aim to generate high resolution shallow depth-of-field (DoF) images from a single all-in-focus image with controllable focal distance and aperture size. To achieve this, we propose a novel neural network model comprised of a depth…

计算机视觉与模式识别 · 计算机科学 2018-10-19 Lijun Wang , Xiaohui Shen , Jianming Zhang , Oliver Wang , Zhe Lin , Chih-Yao Hsieh , Sarah Kong , Huchuan Lu

This article describes a technique to augment a typical RGBD sensor by integrating depth estimates obtained via Structure-from-Motion (SfM) with sensor depth measurements. Limitations in the RGBD depth sensing technology prevent capturing…

计算机视觉与模式识别 · 计算机科学 2021-03-12 Akash Chandrashekar , John Papadakis , Andrew Willis , Jamie Gantert

Depth sensing is an important problem for 3D vision-based robotics. Yet, a real-world active stereo or ToF depth camera often produces noisy and incomplete depth which bottlenecks robot performances. In this work, we propose D3RoMa, a…

机器人学 · 计算机科学 2024-09-26 Songlin Wei , Haoran Geng , Jiayi Chen , Congyue Deng , Wenbo Cui , Chengyang Zhao , Xiaomeng Fang , Leonidas Guibas , He Wang

Conventional infrared and visible image fusion(IVIF) methods often assume high-quality inputs, neglecting real-world degradations such as low-light and noise, which limits their practical applicability. To address this, we propose a…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Tianpei Zhang , Jufeng Zhao , Yiming Zhu , Guangmang Cui , Yuxin Jing