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相关论文: Video Depth-From-Defocus

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Recent advancements in dynamic neural radiance field methods have yielded remarkable outcomes. However, these approaches rely on the assumption of sharp input images. When faced with motion blur, existing dynamic NeRF methods often struggle…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Huiqiang Sun , Xingyi Li , Liao Shen , Xinyi Ye , Ke Xian , Zhiguo Cao

While a traditional camera only captures one point of view of a scene, a plenoptic or light-field camera, is able to capture spatial and angular information in a single snapshot, enabling depth estimation from a single acquisition. In this…

图像与视频处理 · 电气工程与系统科学 2023-08-09 Mathieu Labussière , Céline Teulière , Omar Ait-Aider

The depth-of-field (DoF) effect, which introduces aesthetically pleasing blur, enhances photographic quality but is fixed and difficult to modify once the image has been created. This becomes problematic when the applied blur is…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Yiyang Wang , Xi Chen , Xiaogang Xu , Yu Liu , Hengshuang Zhao

The dual-pixel (DP) hardware works by splitting each pixel in half and creating an image pair in a single snapshot. Several works estimate depth/inverse depth by treating the DP pair as a stereo pair. However, dual-pixel disparity only…

计算机视觉与模式识别 · 计算机科学 2020-12-02 Liyuan Pan , Shah Chowdhury , Richard Hartley , Miaomiao Liu , Hongguang Zhang , Hongdong Li

Action recognition from an egocentric viewpoint is a crucial perception task in robotics and enables a wide range of human-robot interactions. While most computer vision approaches prioritize the RGB camera, the Depth modality - which can…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Jyoti Kini , Sarah Fleischer , Ishan Dave , Mubarak Shah

This paper addresses the problem of estimating the depth map of a scene given a single RGB image. We propose a fully convolutional architecture, encompassing residual learning, to model the ambiguous mapping between monocular images and…

计算机视觉与模式识别 · 计算机科学 2016-09-20 Iro Laina , Christian Rupprecht , Vasileios Belagiannis , Federico Tombari , Nassir Navab

In low-light conditions, capturing videos with frame-based cameras often requires long exposure times, resulting in motion blur and reduced visibility. While frame-based motion deblurring and low-light enhancement have been studied, they…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Taewoo Kim , Jaeseok Jeong , Hoonhee Cho , Yuhwan Jeong , Kuk-Jin Yoon

In recent years, display intensity and contrast have increased considerably. Many displays support high dynamic range (HDR) and 10-bit color depth. Since high bit-depth is an emerging technology, video content is still largely shot and…

计算机视觉与模式识别 · 计算机科学 2022-11-10 Nickolay Safonov , Dmitriy Vatolin

This study explores the use of photometric techniques (shape-from-shading and uncalibrated photometric stereo) for upsampling the low-resolution depth map from an RGB-D sensor to the higher resolution of the companion RGB image. A…

计算机视觉与模式识别 · 计算机科学 2019-06-26 Bjoern Haefner , Songyou Peng , Alok Verma , Yvain Quéau , Daniel Cremers

We present a user-friendly image editing system that supports a drag-and-drop object insertion (where the user merely drags objects into the image, and the system automatically places them in 3D and relights them appropriately),…

图形学 · 计算机科学 2020-01-01 Kevin Karsch , Kalyan Sunkavalli , Sunil Hadap , Nathan Carr , Hailin Jin , Rafael Fonte , Michael Sittig

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

Estimating depth from single RGB images and videos is of widespread interest due to its applications in many areas, including autonomous driving, 3D reconstruction, digital entertainment, and robotics. More than 500 deep learning-based…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Uchitha Rajapaksha , Ferdous Sohel , Hamid Laga , Dean Diepeveen , Mohammed Bennamoun

We present a novel approach for the reconstruction of dynamic geometric shapes using a single hand-held consumer-grade RGB-D sensor at real-time rates. Our method does not require a pre-defined shape template to start with and builds up the…

计算机视觉与模式识别 · 计算机科学 2016-08-02 Matthias Innmann , Michael Zollhöfer , Matthias Nießner , Christian Theobalt , Marc Stamminger

Image analysis methods that are based on exact blur values are faced with the computational complexities due to blur measurement error. This atmosphere encourages scholars to look for handcrafted and learned features for finding depth from…

计算机视觉与模式识别 · 计算机科学 2017-09-04 Akbar Saadat

Bokeh is an important artistic effect used to highlight the main object of interest on the photo by blurring all out-of-focus areas. While DSLR and system camera lenses can render this effect naturally, mobile cameras are unable to produce…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Andrey Ignatov , Jagruti Patel , Radu Timofte

Visual slam technology is one of the key technologies for robot to explore unknown environment independently. Accurate estimation of camera pose based on visual sensor is the basis of autonomous navigation and positioning. However, most…

机器人学 · 计算机科学 2020-12-01 Deng Su , Dehong Chong

Detecting actions in videos, particularly within cluttered scenes, poses significant challenges due to the limitations of 2D frame analysis from a camera perspective. Unlike human vision, which benefits from 3D understanding, recognizing…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Sadegh Rahmaniboldaji , Filip Rybansky , Quoc Vuong , Frank Guerin , Andrew Gilbert

Depth-from-Focus (DFF) enables precise depth estimation by analyzing focus cues across a stack of images captured at varying focal lengths. While recent learning-based approaches have advanced this field, they often struggle in complex…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Sungmin Woo , Sangyoun Lee

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

In depth from defocus (DFD), when images are captured with different camera parameters, a relative magnification is induced between them. Image warping is a simpler solution to account for magnification than seemingly more accurate optical…

计算机视觉与模式识别 · 计算机科学 2012-11-06 Arnav Bhavsar