中文
相关论文

相关论文: Active Stereo Without Pattern Projector

200 篇论文

We introduce a novel architecture for neural disparity refinement aimed at facilitating deployment of 3D computer vision on cheap and widespread consumer devices, such as mobile phones. Our approach relies on a continuous formulation that…

计算机视觉与模式识别 · 计算机科学 2021-11-01 Filippo Aleotti , Fabio Tosi , Pierluigi Zama Ramirez , Matteo Poggi , Samuele Salti , Stefano Mattoccia , Luigi Di Stefano

Flash illumination is widely used in imaging under low-light environments. However, illumination intensity falls off with propagation distance quadratically, which poses significant challenges for flash imaging at a long distance. We…

图像与视频处理 · 电气工程与系统科学 2022-07-27 Zhanghao Sun , Jian Wang , Yicheng Wu , Shree Nayar

In modern dense 3D reconstruction, feed-forward systems (e.g., VGGT, pi3) focus on end-to-end matching and geometry prediction but do not explicitly output the novel view synthesis (NVS). Neural rendering-based approaches offer…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Pengcheng Chen , Yue Hu , Wenhao Li , Nicole M Gunderson , Andrew Feng , Zhenglong Sun , Peter Beerel , Eric J Seibel

Sparse support recovery arises in many applications in communications and signal processing. Existing methods tackle sparse support recovery problems for a given measurement matrix, and cannot flexibly exploit the properties of sparsity…

信息论 · 计算机科学 2019-10-11 Shuaichao Li , Wanqing Zhang , Ying Cui , Hei Victor Cheng , Wei Yu

Clustering images according to their acquisition devices is a well-known problem in multimedia forensics, which is typically faced by means of camera Sensor Pattern Noise (SPN). Such an issue is challenging since SPN is a noise-like signal,…

计算机视觉与模式识别 · 计算机科学 2018-12-03 Quoc-Tin Phan , Giulia Boato , Francesco G. B. De Natale

There is a strong demand on capturing underwater scenes without distortions caused by refraction. Since a light field camera can capture several light rays at each point of an image plane from various directions, if geometrically correct…

图像与视频处理 · 电气工程与系统科学 2019-05-24 Kazuto Ichimaru , Hiroshi Kawasaki

We propose a hybrid method for stereo disparity estimation by combining block and region-based stereo matching approaches. It generates dense depth maps from disparity measurements of only 18 % image pixels (left or right). The methodology…

计算机视觉与模式识别 · 计算机科学 2020-01-23 Subhayan Mukherjee , Ram Mohana Reddy Guddeti

Modern neural network-based algorithms are able to produce highly accurate depth estimates from stereo image pairs, nearly matching the reliability of measurements from more expensive depth sensors. However, this accuracy comes with a…

计算机视觉与模式识别 · 计算机科学 2019-03-13 Kyle Yee , Ayan Chakrabarti

One of the solutions of depth imaging of moving scene is to project a static pattern on the object and use just a single image for reconstruction. However, if the motion of the object is too fast with respect to the exposure time of the…

计算机视觉与模式识别 · 计算机科学 2017-10-03 Yuki Shiba , Satoshi Ono , Ryo Furukawa , Shinsaku Hiura , Hiroshi Kawasaki

Self-supervised depth estimation algorithms rely heavily on frame-warping relationships, exhibiting substantial performance degradation when applied in challenging circumstances, such as low-visibility and nighttime scenarios with varying…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Madhu Vankadari , Samuel Hodgson , Sangyun Shin , Kaichen Zhou Andrew Markham , Niki Trigoni

We present a novel high-resolution and challenging stereo dataset framing indoor scenes annotated with dense and accurate ground-truth disparities. Peculiar to our dataset is the presence of several specular and transparent surfaces, i.e.…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Pierluigi Zama Ramirez , Fabio Tosi , Matteo Poggi , Samuele Salti , Stefano Mattoccia , Luigi Di Stefano

This paper proposes the first non-flow-based deep framework for high dynamic range (HDR) imaging of dynamic scenes with large-scale foreground motions. In state-of-the-art deep HDR imaging, input images are first aligned using optical flows…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Shangzhe Wu , Jiarui Xu , Yu-Wing Tai , Chi-Keung Tang

Stereo vision technique has been widely used in robotic systems to acquire 3-D information. In recent years, many researchers have applied bilateral filtering in stereo vision to adaptively aggregate the matching costs. This has greatly…

计算机视觉与模式识别 · 计算机科学 2018-08-16 Rui Fan , Yanan Liu , Mohammud Junaid Bocus , Lujia Wang , Ming Liu

Video stabilization is a fundamental and important technique for higher quality videos. Prior works have extensively explored video stabilization, but most of them involve cropping of the frame boundaries and introduce moderate levels of…

计算机视觉与模式识别 · 计算机科学 2019-09-09 Jinsoo Choi , In So Kweon

In this work, we present a camera configuration for acquiring "stereoscopic dark flash" images: a simultaneous stereo pair in which one camera is a conventional RGB sensor, but the other camera is sensitive to near-infrared and…

计算机视觉与模式识别 · 计算机科学 2019-01-10 Jian Wang , Tianfan Xue , Jonathan T. Barron , Jiawen Chen

We present a novel method to estimate the surface normal of an object in an ambient light environment using RGB and event cameras. Modern photometric stereo methods rely on an RGB camera, mainly in a dark room, to avoid ambient…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Wonjeong Ryoo , Giljoo Nam , Jae-Sang Hyun , Sangpil Kim

In the last few years, steganography has attracted increasing attention from a large number of researchers since its applications are expanding further than just the field of information security. The most traditional method is based on…

密码学与安全 · 计算机科学 2021-02-19 Quang Pham Huu , Thoi Hoang Dinh , Ngoc N. Tran , Toan Pham Van , Thanh Ta Minh

Photometric stereo recovers the surface normals of an object from multiple images with varying shading cues, i.e., modeling the relationship between surface orientation and intensity at each pixel. Photometric stereo prevails in superior…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Yakun Ju , Kin-Man Lam , Wuyuan Xie , Huiyu Zhou , Junyu Dong , Boxin Shi

Stereo matching plays a crucial role in 3D perception and scenario understanding. Despite the proliferation of promising methods, addressing texture-less and texture-repetitive conditions remains challenging due to the insufficient…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Tong Zhao , Mingyu Ding , Wei Zhan , Masayoshi Tomizuka , Yintao Wei

Estimating depth from images nowadays yields outstanding results, both in terms of in-domain accuracy and generalization. However, we identify two main challenges that remain open in this field: dealing with non-Lambertian materials and…

计算机视觉与模式识别 · 计算机科学 2024-01-31 Pierluigi Zama Ramirez , Alex Costanzino , Fabio Tosi , Matteo Poggi , Samuele Salti , Stefano Mattoccia , Luigi Di Stefano