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Robotic surgery has become a powerful tool for performing minimally invasive procedures, providing advantages in dexterity, precision, and 3D vision, over traditional surgery. One popular robotic system is the da Vinci surgical platform,…

计算机视觉与模式识别 · 计算机科学 2017-05-24 Menglong Ye , Edward Johns , Ankur Handa , Lin Zhang , Philip Pratt , Guang-Zhong Yang

Traditional MVS methods have good accuracy but struggle with completeness, while recently developed learning-based multi-view stereo (MVS) techniques have improved completeness except accuracy being compromised. We propose depth…

计算机视觉与模式识别 · 计算机科学 2023-06-13 Nail Ibrahimli , Hugo Ledoux , Julian Kooij , Liangliang Nan

Unsupervised cross-spectral stereo matching aims at recovering disparity given cross-spectral image pairs without any supervision in the form of ground truth disparity or depth. The estimated depth provides additional information…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Mingyang Liang , Xiaoyang Guo , Hongsheng Li , Xiaogang Wang , You Song

Existing depth completion methods are often targeted at a specific sparse depth type and generalize poorly across task domains. We present a method to complete sparse/semi-dense, noisy, and potentially low-resolution depth maps obtained by…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Guangkai Xu , Wei Yin , Jianming Zhang , Oliver Wang , Simon Niklaus , Simon Chen , Jia-Wang Bian

Stereo matching in remote sensing has recently garnered increased attention, primarily focusing on supervised learning. However, datasets with ground truth generated by expensive airbone Lidar exhibit limited quantity and diversity,…

计算机视觉与模式识别 · 计算机科学 2024-08-15 Liting Jiang , Yuming Xiang , Feng Wang , Hongjian You

Disparity/depth estimation from sequences of stereo images is an important element in 3D vision. Owing to occlusions, imperfect settings and homogeneous luminance, accurate estimate of depth remains a challenging problem. Targetting view…

图像与视频处理 · 电气工程与系统科学 2020-03-17 Nantheera Anantrasirichai , Majid Geravand , David Braendler , David R. Bull

In this paper, we propose a robust and efficient end-to-end non-local spatial propagation network for depth completion. The proposed network takes RGB and sparse depth images as inputs and estimates non-local neighbors and their affinities…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Jinsun Park , Kyungdon Joo , Zhe Hu , Chi-Kuei Liu , In So Kweon

While supervised stereo matching and monocular depth estimation have advanced significantly with learning-based algorithms, self-supervised methods using stereo images as supervision signals have received relatively less focus and require…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Zihua Liu , Yizhou Li , Songyan Zhang , Masatoshi Okutomi

Depth completion aims to recover dense depth maps from sparse depth measurements. It is of increasing importance for autonomous driving and draws increasing attention from the vision community. Most of existing methods directly train a…

计算机视觉与模式识别 · 计算机科学 2019-10-16 Yan Xu , Xinge Zhu , Jianping Shi , Guofeng Zhang , Hujun Bao , Hongsheng Li

Nighttime stereo depth estimation is still challenging, as assumptions associated with daytime lighting conditions do not hold any longer. Nighttime is not only about low-light and dense noise, but also about glow/glare, flares, non-uniform…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Aashish Sharma , Lionel Heng , Loong-Fah Cheong , Robby T. Tan

Binocular stereo vision is an important branch of machine vision, which imitates the human eye and matches the left and right images captured by the camera based on epipolar constraints. The matched disparity map can be calculated according…

计算机视觉与模式识别 · 计算机科学 2021-02-10 Yimin Peng , Yunlong Li , Zijing Fang

Estimating a dense and accurate depth map is the key requirement for autonomous driving and robotics. Recent advances in deep learning have allowed depth estimation in full resolution from a single image. Despite this impressive result,…

计算机视觉与模式识别 · 计算机科学 2020-08-13 Sungho Yoon , Ayoung Kim

Depth estimation is an important computer vision task, useful in particular for navigation in autonomous vehicles, or for object manipulation in robotics. Here we solved it using an end-to-end neuromorphic approach, combining two…

计算机视觉与模式识别 · 计算机科学 2023-05-22 Ulysse Rançon , Javier Cuadrado-Anibarro , Benoit R. Cottereau , Timothée Masquelier

We propose POLAR, a novel radar-guided depth estimation method that introduces polynomial fitting to efficiently transform scaleless depth predictions from pretrained monocular depth estimation (MDE) models into metric depth maps. Unlike…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Patrick Rim , Hyoungseob Park , Vadim Ezhov , Jeffrey Moon , Alex Wong

We present a deep learning system to infer the posterior distribution of a dense depth map associated with an image, by exploiting sparse range measurements, for instance from a lidar. While the lidar may provide a depth value for a small…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Yanchao Yang , Alex Wong , Stefano Soatto

Mutual calibration between color and depth cameras is a challenging topic in multi-modal data registration. In this paper, we are confronted with a "Bimodal Stereo" problem, which aims to solve camera pose from a pair of an uncalibrated…

计算机视觉与模式识别 · 计算机科学 2019-05-17 Chi Zhang , Yuehu Liu , Ying Wu , Qilin Zhang , Le Wang

This paper proposes a depth estimation method using radar-image fusion by addressing the uncertain vertical directions of sparse radar measurements. In prior radar-image fusion work, image features are merged with the uncertain sparse…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Masaya Kotani , Takeru Oba , Norimichi Ukita

Despite the remarkable progress facilitated by learning-based stereo-matching algorithms, disparity estimation in low-texture, occluded, and bordered regions still remains a bottleneck that limits the performance. To tackle these…

计算机视觉与模式识别 · 计算机科学 2024-02-29 Zihua Liu , Songyan Zhang , Zhicheng Wang , Masatoshi Okutomi

This paper as technology report is focusing on evaluation and performance about depth estimations based on lidar data and stereo images(front left and front right). The lidar 3d cloud data and stereo images are provided by ford. In…

计算机视觉与模式识别 · 计算机科学 2022-12-23 Fei Wu , Luoyu Chen

Millimeter wave multiple-input multiple-output (MIMO) communication systems must operate over sparse wireless links and will require large antenna arrays to provide high throughput. To achieve sufficient array gains, these systems must…

信号处理 · 电气工程与系统科学 2019-04-17 Wei Zhang , Taejoon Kim , David J. Love