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相关论文: Compressive Time-of-Flight 3D Imaging Using Block-…

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Recently, it is increasingly popular to equip mobile RGB cameras with Time-of-Flight (ToF) sensors for active depth sensing. However, for off-the-shelf ToF sensors, one must tackle two problems in order to obtain high-quality depth with…

计算机视觉与模式识别 · 计算机科学 2019-09-18 Di Qiu , Jiahao Pang , Wenxiu Sun , Chengxi Yang

We introduce Doppler time-of-flight (D-ToF) rendering, an extension of ToF rendering for dynamic scenes, with applications in simulating D-ToF cameras. D-ToF cameras use high-frequency modulation of illumination and exposure, and measure…

图形学 · 计算机科学 2023-10-06 Juhyeon Kim , Wojciech Jarosz , Ioannis Gkioulekas , Adithya Pediredla

Single-photon lidar has become a prominent tool for depth imaging in recent years. At the core of the technique, the depth of a target is measured by constructing a histogram of time delays between emitted light pulses and detected photon…

信号处理 · 电气工程与系统科学 2022-01-06 Michael P. Sheehan , Julián Tachella , Mike E. Davies

Time-of-flight (TOF) information provides more accurate location data for annihilation photons, thereby enhancing the quality of PET reconstruction images and reducing noise. List-mode reconstruction has a significant advantage in handling…

图像与视频处理 · 电气工程与系统科学 2024-10-16 Rui Hu , Chenxu Li , Kun Tian , Jianan Cui , Yunmei Chen , Huafeng Liu

Light-weight time-of-flight (ToF) depth sensors are small, cheap, low-energy and have been massively deployed on mobile devices for the purposes like autofocus, obstacle detection, etc. However, due to their specific measurements (depth…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Yijin Li , Xinyang Liu , Wenqi Dong , Han Zhou , Hujun Bao , Guofeng Zhang , Yinda Zhang , Zhaopeng Cui

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

We present a novel approach to joint depth and normal estimation for time-of-flight (ToF) sensors. Our model learns to predict the high-quality depth and normal maps jointly from ToF raw sensor data. To achieve this, we meticulously…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Rongrong Gao , Na Fan , Changlin Li , Wentao Liu , Qifeng Chen

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

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

Optical imaging through diffusive, visually-opaque barriers, and around corners is an important challenge in many fields, ranging from defense to medical applications. Recently, novel techniques that combine time-of-flight (TOF)…

光学 · 物理学 2023-05-12 Jeremy Boger-Lombard , Ori Katz

Adaptive block-based compressive sensing (ABCS) algorithms are studied in the context of the practical realization of compressive sensing on resource-constrained image and video sensing platforms that use single-pixel cameras, multi-pixel…

图像与视频处理 · 电气工程与系统科学 2020-07-10 Joseph Zammit , Ian J. Wassell

We propose a novel approach to localize a 3D object from the intensity and depth information images provided by a Time-of-Flight (ToF) sensor. Our method uses two CNNs. The first one uses raw depth and intensity images as input, to segment…

计算机视觉与模式识别 · 计算机科学 2020-08-28 Antoine Vanderschueren , Victor Joos , Christophe De Vleeschouwer

We aim to recover the geometry of 3D parametric scenes using very few depth measurements from low-cost, commercially available time-of-flight sensors. These sensors offer very low spatial resolution (i.e., a single pixel), but image a wide…

计算机视觉与模式识别 · 计算机科学 2025-09-22 Carter Sifferman , Yiquan Li , Yiming Li , Fangzhou Mu , Michael Gleicher , Mohit Gupta , Yin Li

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

Range images captured by Time-of-Flight (ToF) cameras are corrupted with multipath distortions due to interaction between modulated light signals and scenes. The interaction is often complicated, which makes a model-based solution elusive.…

计算机视觉与模式识别 · 计算机科学 2016-02-24 Kilho Son , Ming-Yu Liu , Yuichi Taguchi

Mask-based lensless cameras offer a novel design for imaging systems by replacing the lens in a conventional camera with a layer of coded mask. Each pixel of the lensless camera encodes the information of the entire 3D scene. Existing…

图像与视频处理 · 电气工程与系统科学 2022-12-23 Yucheng Zheng , M. Salman Asif

The combination of range sensors with color cameras can be very useful for robot navigation, semantic perception, manipulation, and telepresence. Several methods of combining range- and color-data have been investigated and successfully…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Vineet Gandhi , Jan Cech , Radu Horaud

Single-photon cameras are becoming increasingly popular in time-of-flight 3D imaging because they can time-tag individual photons with extreme resolution. However, their performance is susceptible to hardware limitations, such as system…

计算机视觉与模式识别 · 计算机科学 2025-10-15 David Parra , Felipe Gutierrez-Barragan , Trevor Seets , Andreas Velten

Depth maps captured by modern depth cameras such as Kinect and Time-of-Flight (ToF) are usually contaminated by missing data, noises and suffer from being of low resolution. In this paper, we present a robust method for high-quality…

计算机视觉与模式识别 · 计算机科学 2015-12-29 Wei Liu , Yun Gu , Chunhua Shen , Xiaogang Chen , Qiang Wu , Jie Yang

Lightweight direct Time-of-Flight (dToF) sensors are ideal for 3D sensing on mobile devices. However, due to the manufacturing constraints of compact devices and the inherent physical principles of imaging, dToF depth maps are sparse and…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Xuan Zhu , Jijun Xiang , Xianqi Wang , Longliang Liu , Yu Wang , Hong Zhang , Fei Guo , Xin Yang