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Detecting the occlusion from stereo images or video frames is important to many computer vision applications. Previous efforts focus on bundling it with the computation of disparity or optical flow, leading to a chicken-and-egg problem. In…

计算机视觉与模式识别 · 计算机科学 2018-09-25 Ang Li , Zejian Yuan

In this work we propose a novel, highly practical, binocular photometric stereo (PS) framework, which has same acquisition speed as single view PS, however significantly improves the quality of the estimated geometry. As in recent neural…

计算机视觉与模式识别 · 计算机科学 2023-11-13 Fotios Logothetis , Ignas Budvytis , Roberto Cipolla

Convolutional Neural Networks (CNNs) have achieved high accuracy for cardiac structure segmentation if training cases and testing cases are from the same distribution. However, the performance would be degraded if the testing cases are from…

图像与视频处理 · 电气工程与系统科学 2020-12-29 Jun Ma

Exiting deep-learning based dense stereo matching methods often rely on ground-truth disparity maps as the training signals, which are however not always available in many situations. In this paper, we design a simple convolutional neural…

计算机视觉与模式识别 · 计算机科学 2017-09-05 Yiran Zhong , Yuchao Dai , Hongdong Li

Freespace detection is a fundamental component of autonomous driving perception. Recently, deep convolutional neural networks (DCNNs) have achieved impressive performance for this task. In particular, SNE-RoadSeg, our previously proposed…

计算机视觉与模式识别 · 计算机科学 2021-09-21 Hengli Wang , Rui Fan , Peide Cai , Ming Liu

Deep Neural Networks (DNNs) often rely on very large datasets for training. Given the large size of such datasets, it is conceivable that they contain certain samples that either do not contribute or negatively impact the DNN's…

机器学习 · 计算机科学 2020-11-10 Kashyap Chitta , Jose M. Alvarez , Elmar Haussmann , Clement Farabet

The gap between low-level visual signals and high-level semantics has been progressively bridged by continuous development of deep neural network (DNN). With recent progress of DNN, almost all image classification tasks have achieved new…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Wei Yu , Kuiyuan Yang , Yalong Bai , Hongxun Yao , Yong Rui

Camera-based 3D object detectors are welcome due to their wider deployment and lower price than LiDAR sensors. We first revisit the prior stereo detector DSGN for its stereo volume construction ways for representing both 3D geometry and…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Yilun Chen , Shijia Huang , Shu Liu , Bei Yu , Jiaya Jia

Synchrotron-based X-ray computed tomography is widely used for investigating inner structures of specimens at high spatial resolutions. However, potential beam damage to samples often limits the X-ray exposure during tomography experiments.…

图像与视频处理 · 电气工程与系统科学 2020-09-30 Ziling Wu , Tekin Bicer , Zhengchun Liu , Vincent De Andrade , Yunhui Zhu , Ian T. Foster

For safety-critical applications such as autonomous driving, CNNs have to be robust with respect to unavoidable image corruptions, such as image noise. While previous works addressed the task of robust prediction in the context of…

计算机视觉与模式识别 · 计算机科学 2020-11-11 Christoph Kamann , Burkhard Güssefeld , Robin Hutmacher , Jan Hendrik Metzen , Carsten Rother

We revisit the problem of visual depth estimation in the context of autonomous vehicles. Despite the progress on monocular depth estimation in recent years, we show that the gap between monocular and stereo depth accuracy remains large$-$a…

计算机视觉与模式识别 · 计算机科学 2020-07-09 Nikolai Smolyanskiy , Alexey Kamenev , Stan Birchfield

Visual perception plays an important role in autonomous driving. One of the primary tasks is object detection and identification. Since the vision sensor is rich in color and texture information, it can quickly and accurately identify…

计算机视觉与模式识别 · 计算机科学 2022-12-23 Fei Liu , Zihao Lu , Xianke Lin

Zero-shot recognition aims to accurately recognize objects of unseen classes by using a shared visual-semantic mapping between the image feature space and the semantic embedding space. This mapping is learned on training data of seen…

计算机视觉与模式识别 · 计算机科学 2017-03-21 Yanan Li , Donghui Wang , Huanhang Hu , Yuetan Lin , Yueting Zhuang

Object detection is a crucial task in computer vision that aims to identify and localize objects in images or videos. The recent advancements in deep learning and Convolutional Neural Networks (CNNs) have significantly improved the…

计算机视觉与模式识别 · 计算机科学 2023-04-12 Hrishitva Patel

The integration of hyperspectral imaging (HSI) and LiDAR data within new linear feature spaces offers a promising solution to the challenges posed by the high-dimensionality and redundancy inherent in HSIs. This study introduces a dual…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Judy X Yang , Jing Wang , Chen Hong Sui , Zekun Long , Jun Zhou

This paper addresses the problem of photometric stereo, in both calibrated and uncalibrated scenarios, for non-Lambertian surfaces based on deep learning. We first introduce a fully convolutional deep network for calibrated photometric…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Guanying Chen , Kai Han , Boxin Shi , Yasuyuki Matsushita , Kwan-Yee K. Wong

Cross-view geo-localization aims to estimate the location of a query ground image by matching it to a reference geo-tagged aerial images database. As an extremely challenging task, its difficulties root in the drastic view changes and…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Xiaohan Zhang , Xingyu Li , Waqas Sultani , Yi Zhou , Safwan Wshah

Detecting vehicles in aerial imagery is a critical task with applications in traffic monitoring, urban planning, and defense intelligence. Deep learning methods have provided state-of-the-art (SOTA) results for this application. However, a…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Xiao Fang , Minhyek Jeon , Zheyang Qin , Stanislav Panev , Celso de Melo , Shuowen Hu , Shayok Chakraborty , Fernando De la Torre

Retrieving accurate 3D reconstructions of objects from the way they reflect light is a very challenging task in computer vision. Despite more than four decades since the definition of the Photometric Stereo problem, most of the literature…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Fotios Logothetis , Ignas Budvytis , Roberto Mecca , Roberto Cipolla

Deep artificial neural networks require a large corpus of training data in order to effectively learn, where collection of such training data is often expensive and laborious. Data augmentation overcomes this issue by artificially inflating…

机器学习 · 计算机科学 2017-08-22 Luke Taylor , Geoff Nitschke