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Indirect Time-of-Flight (iToF) cameras are a promising depth sensing technology. However, they are prone to errors caused by multi-path interference (MPI) and low signal-to-noise ratio (SNR). Traditional methods, after denoising, mitigate…

计算机视觉与模式识别 · 计算机科学 2021-12-22 Felipe Gutierrez-Barragan , Huaijin Chen , Mohit Gupta , Andreas Velten , Jinwei Gu

Time-of-flight (ToF) imaging has become a widespread technique for depth estimation, allowing affordable off-the-shelf cameras to provide depth maps in real time. However, multipath interference (MPI) resulting from indirect illumination…

Continuous-wave Time-of-flight (TOF) range imaging has become a commercially viable technology with many applications in computer vision and graphics. However, the depth images obtained from TOF cameras contain scene dependent errors due to…

计算机视觉与模式识别 · 计算机科学 2015-02-03 Nikhil Naik , Achuta Kadambi , Christoph Rhemann , Shahram Izadi , Ramesh Raskar , Sing Bing Kang

Indirect Time-of-Flight (iToF) cameras are a widespread type of 3D sensor, which perform multiple captures to obtain depth values of the captured scene. While recent approaches to correct iToF depths achieve high performance when removing…

计算机视觉与模式识别 · 计算机科学 2022-10-20 Michael Schelling , Pedro Hermosilla , Timo Ropinski

Indirect Time-of-Flight (I-ToF) imaging is a widespread way of depth estimation for mobile devices due to its small size and affordable price. Previous works have mainly focused on quality improvement for I-ToF imaging especially curing the…

计算机视觉与模式识别 · 计算机科学 2022-06-17 HyunJun Jung , Nikolas Brasch , Ales Leonardis , Nassir Navab , Benjamin Busam

Time-of-Flight (ToF) cameras are becoming popular in a wide span of areas ranging from consumer-grade electronic devices to safety-critical industrial robots. This is mainly due to their high frame rate, relative good precision and the…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Marian-Leontin Pop , Levente Tamas

Indirect time-of-flight (iToF) imaging allows us to capture dense depth information at a low cost. However, iToF imaging often suffers from multipath interference (MPI) artifacts in the presence of scattering media, resulting in severe…

计算机视觉与模式识别 · 计算机科学 2023-07-03 Daniel S. Jeon , Andreas Meuleman , Seung-Hwan Baek , Min H. Kim

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 propose a novel compressed sensing method to improve the depth reconstruction accuracy and multi-target separation capability of indirect Time-of-Flight (iToF) systems. Unlike traditional approaches that rely on hardware modifications,…

信号处理 · 电气工程与系统科学 2025-07-29 Yansong Du , Yutong Deng , Yuting Zhou , Feiyu Jiao , Bangyao Wang , Zhancong Xu , Zhaoxiang Jiang , Xun Guan

We introduce Mask-ToF, a method to reduce flying pixels (FP) in time-of-flight (ToF) depth captures. FPs are pervasive artifacts which occur around depth edges, where light paths from both an object and its background are integrated over…

图像与视频处理 · 电气工程与系统科学 2021-04-01 Ilya Chugunov , Seung-Hwan Baek , Qiang Fu , Wolfgang Heidrich , Felix Heide

We propose a novel approach to recovering the translucent objects from a single time-of-flight (ToF) depth camera using deep residual networks. When recording the translucent objects using the ToF depth camera, their depth values are…

计算机视觉与模式识别 · 计算机科学 2018-10-01 Seongjong Song , Hyunjung Shim

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

The Multipath effect in Time-of-Flight(ToF) cameras still remains to be a challenging problem that hinders further processing of 3D data information. Based on the evidence from previous literature, we explored the possibility of using…

计算机视觉与模式识别 · 计算机科学 2016-01-13 Mojmir Mutny , Rahul Nair , Jens-Malte Gottfried

The acquisition of objects outside the Line-of-Sight of cameras is a very intriguing but also extremely challenging research topic. Recent works showed the feasibility of this idea exploiting transient imaging data produced by custom direct…

计算机视觉与模式识别 · 计算机科学 2024-09-23 Matteo Caligiuri , Adriano Simonetto , Pietro Zanuttigh

Spatially and temporally highly resolved depth information enables numerous applications including human-machine interaction in gaming or safety functions in the automotive industry. In this paper, we address this issue using Time-of-flight…

Passive Time-of-Flight (ToF) imaging can be enabled by optical wireless communication (OWC). The lighting infrastructure is the backbone of emerging light-based wireless communication. To this end, communication sources are used as…

信号处理 · 电气工程与系统科学 2023-07-18 Faisal Ahmed , Miguel Heredia Conde , Paula López Martínez

Time-of-Flight non-line-of-sight (ToF NLOS) imaging techniques provide state-of-the-art reconstructions of scenes hidden around corners by inverting the optical path of indirect photons scattered by visible surfaces and measured by…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Julio Marco , Adrian Jarabo , Ji Hyun Nam , Alberto Tosi , Diego Gutierrez , Andreas Velten

In-camera light scattering is a typical form of non-systematic interference in indirect Time-of-Flight (iToF) cameras, primarily caused by multiple reflections and optical path variations within the camera body. This effect can…

光学 · 物理学 2025-11-05 Yansong Du , Jingtong Yao , Yuting Zhou , Feiyu Jiao , Zhaoxiang Jiang , Xun Guan

With the rapid development of stereoscopic display technologies, especially glasses-free 3D screens, and virtual reality devices, stereoscopic conversion has become an important task to address the lack of high-quality stereoscopic image…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Shanding Diao , Yang Zhao , Yuan Chen , Zhao Zhang , Wei Jia , Ronggang Wang

Long-distance depth imaging holds great promise for applications such as autonomous driving and robotics. Direct time-of-flight (dToF) imaging offers high-precision, long-distance depth sensing, yet demands ultra-short pulse light sources…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Manchao Bao , Shengjiang Fang , Tao Yue , Xuemei Hu
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