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Empowered by deep learning, recent methods for material capture can estimate a spatially-varying reflectance from a single photograph. Such lightweight capture is in stark contrast with the tens or hundreds of pictures required by…

图形学 · 计算机科学 2019-06-28 Valentin Deschaintre , Miika Aittala , Fredo Durand , George Drettakis , Adrien Bousseau

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

We introduce a novel learning-based method to reconstruct the high-quality geometry and complex, spatially-varying BRDF of an arbitrary object from a sparse set of only six images captured by wide-baseline cameras under collocated point…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Sai Bi , Zexiang Xu , Kalyan Sunkavalli , David Kriegman , Ravi Ramamoorthi

Deep Learning (DL) holds great promise in reshaping the industry owing to its precision, efficiency, and objectivity. However, the brittleness of DL models to noisy and out-of-distribution inputs is ailing their deployment in sensitive…

图像与视频处理 · 电气工程与系统科学 2025-10-03 Giuseppina Carannante , Nidhal C. Bouaynaya , Dimah Dera , Hassan M. Fathallah-Shaykh , Ghulam Rasool

We aim to generate high resolution shallow depth-of-field (DoF) images from a single all-in-focus image with controllable focal distance and aperture size. To achieve this, we propose a novel neural network model comprised of a depth…

计算机视觉与模式识别 · 计算机科学 2018-10-19 Lijun Wang , Xiaohui Shen , Jianming Zhang , Oliver Wang , Zhe Lin , Chih-Yao Hsieh , Sarah Kong , Huchuan Lu

Few-shot object counting aims to count the number of objects in a query image that belong to the same class as the given exemplar images. Existing methods compute the similarity between the query image and exemplars in the 2D spatial domain…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Yuanwu Xu , Feifan Song , Haofeng Zhang

The acquisition of light field images with high angular resolution is costly. Although many methods have been proposed to improve the angular resolution of a sparsely-sampled light field, they always focus on the light field with a small…

计算机视觉与模式识别 · 计算机科学 2020-02-27 Jing Jin , Junhui Hou , Hui Yuan , Sam Kwong

Depth estimation is of critical interest for scene understanding and accurate 3D reconstruction. Most recent approaches in depth estimation with deep learning exploit geometrical structures of standard sharp images to predict corresponding…

计算机视觉与模式识别 · 计算机科学 2018-09-07 Marcela Carvalho , Bertrand Le Saux , Pauline Trouvé-Peloux , Andrés Almansa , Frédéric Champagnat

Depth estimation is a long-lasting yet important task in computer vision. Most of the previous works try to estimate depth from input images and assume images are all-in-focus (AiF), which is less common in real-world applications. On the…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Ning-Hsu Wang , Ren Wang , Yu-Lun Liu , Yu-Hao Huang , Yu-Lin Chang , Chia-Ping Chen , Kevin Jou

Recently, deep learning(DL) methods have been proposed for the low-dose computed tomography(LdCT) enhancement, and obtain good trade-off between computational efficiency and image quality. Most of them need large number of pre-collected…

计算机视觉与模式识别 · 计算机科学 2018-08-09 Mingrui Geng , Yun Deng , Qian Zhao , Qi Xie , Dong Zeng , Dong Zeng , Wangmeng Zuo , Deyu Meng

Self-supervised monocular depth prediction provides a cost-effective solution to obtain the 3D location of each pixel. However, the existing approaches usually lead to unsatisfactory accuracy, which is critical for autonomous robots. In…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Ziyue Feng , Longlong Jing , Peng Yin , Yingli Tian , Bing Li

The precise combination of image sensor and micro-lens array enables lenslet light field cameras to record both angular and spatial information of incoming light, therefore, one can calculate disparity and depth from light field images. In…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Haoxin Ma , Haotian Li , Zhiwen Qian , Shengxian Shi , Tingting Mu

Latent diffusion models (LDMs) have made significant advancements in the field of image generation in recent years. One major advantage of LDMs is their ability to operate in a compressed latent space, allowing for more efficient training…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Christina Zhang , Simran Motwani , Matthew Yu , Ji Hou , Felix Juefei-Xu , Sam Tsai , Peter Vajda , Zijian He , Jialiang Wang

Deep Metric Learning algorithms aim to learn an efficient embedding space to preserve the similarity relationships among the input data. Whilst these algorithms have achieved significant performance gains across a wide plethora of tasks,…

计算机视觉与模式识别 · 计算机科学 2022-09-15 Soumava Kumar Roy , Yan Han , Mehrtash Harandi , Lars Petersson

In recent years, the field of implicit neural representation has progressed significantly. Models such as neural radiance fields (NeRF), which uses relatively small neural networks, can represent high-quality scenes and achieve…

计算机视觉与模式识别 · 计算机科学 2022-04-01 David Dadon , Ohad Fried , Yacov Hel-Or

3D object detection is an essential task in autonomous driving. Recent techniques excel with highly accurate detection rates, provided the 3D input data is obtained from precise but expensive LiDAR technology. Approaches based on cheaper…

计算机视觉与模式识别 · 计算机科学 2020-02-25 Yan Wang , Wei-Lun Chao , Divyansh Garg , Bharath Hariharan , Mark Campbell , Kilian Q. Weinberger

Learning based methods have shown very promising results for the task of depth estimation in single images. However, most existing approaches treat depth prediction as a supervised regression problem and as a result, require vast quantities…

计算机视觉与模式识别 · 计算机科学 2017-04-14 Clément Godard , Oisin Mac Aodha , Gabriel J. Brostow

Small object segmentation, like tumor segmentation, is a difficult and critical task in the field of medical image analysis. Although deep learning based methods have achieved promising performance, they are restricted to the use of binary…

图像与视频处理 · 电气工程与系统科学 2025-01-17 Huiyu Li , Xiabi Liu , Said Boumaraf , Xiaopeng Gong , Donghai Liao , Xiaohong Ma

We present an efficient subpixel refinement method usinga learning-based approach called Linear Predictors. Two key ideas are shown in this paper. Firstly, we present a novel technique, called Symbolic Linear Predictors, which makes the…

计算机视觉与模式识别 · 计算机科学 2018-05-01 Vincent Lui , Jonathon Geeves , Winston Yii , Tom Drummond

Patch-level image representation is very important for object classification and detection, since it is robust to spatial transformation, scale variation, and cluttered background. Many existing methods usually require fine-grained…

计算机视觉与模式识别 · 计算机科学 2017-05-09 Peng Tang , Xinggang Wang , Zilong Huang , Xiang Bai , Wenyu Liu