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We review solutions to the problem of depth estimation, arguably the most important subtask in scene understanding. We focus on the single image depth estimation problem. Due to its properties, the single image depth estimation problem is…

计算机视觉与模式识别 · 计算机科学 2022-02-02 Alican Mertan , Damien Jade Duff , Gozde Unal

State-of-the-art approaches to infer dense depth measurements from images rely on CNNs trained end-to-end on a vast amount of data. However, these approaches suffer a drastic drop in accuracy when dealing with environments much different in…

计算机视觉与模式识别 · 计算机科学 2019-09-10 Alessio Tonioni , Matteo Poggi , Stefano Mattoccia , Luigi Di Stefano

The transductive inference is an effective technique in the few-shot learning task, where query sets update prototypes to improve themselves. However, these methods optimize the model by considering only the classification scores of the…

计算机视觉与模式识别 · 计算机科学 2022-05-18 Minglei Yuan , Qian Xu , Chunhao Cai , Yin-Dong Zheng , Tao Wang , Tong Lu

We present a method for estimating detailed scene illumination using human faces in a single image. In contrast to previous works that estimate lighting in terms of low-order basis functions or distant point lights, our technique estimates…

计算机视觉与模式识别 · 计算机科学 2018-07-24 Renjiao Yi , Chenyang Zhu , Ping Tan , Stephen Lin

Monocular depth estimation plays a crucial role in 3D recognition and understanding. One key limitation of existing approaches lies in their lack of structural information exploitation, which leads to inaccurate spatial layout,…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Tian Chen , Shijie An , Yuan Zhang , Chongyang Ma , Huayan Wang , Xiaoyan Guo , Wen Zheng

We present an approach for unsupervised training of CNNs in order to learn discriminative face representations. We mine supervised training data by noting that multiple faces in the same video frame must belong to different persons and the…

计算机视觉与模式识别 · 计算机科学 2018-03-06 Samyak Datta , Gaurav Sharma , C. V. Jawahar

In latest years, deep learning has gained a leading role in the pansharpening of multiresolution images. Given the lack of ground truth data, most deep learning-based methods carry out supervised training in a reduced-resolution domain.…

图像与视频处理 · 电气工程与系统科学 2023-07-28 Matteo Ciotola , Giovanni Poggi , Giuseppe Scarpa

Event cameras are novel sensors that output brightness changes in the form of a stream of asynchronous events instead of intensity frames. Compared to conventional image sensors, they offer significant advantages: high temporal resolution,…

计算机视觉与模式识别 · 计算机科学 2020-10-23 Javier Hidalgo-Carrió , Daniel Gehrig , Davide Scaramuzza

As a flexible passive 3D sensing means, unsupervised learning of depth from monocular videos is becoming an important research topic. It utilizes the photometric errors between the target view and the synthesized views from its adjacent…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Hualie Jiang , Laiyan Ding , Zhenglong Sun , Rui Huang

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

Deep learning-based segmentation methods have been widely employed for automatic glaucoma diagnosis and prognosis. In practice, fundus images obtained by different fundus cameras vary significantly in terms of illumination and intensity.…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Qianbi Yu , Dongnan Liu , Chaoyi Zhang , Xinwen Zhang , Weidong Cai

Depth estimation is a core problem in robotic perception and vision tasks, but 3D reconstruction from a single image presents inherent uncertainties. Current depth estimation models primarily rely on inter-image relationships for supervised…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Jinchang Zhang , Guoyu Lu

Self-supervised deep learning methods have leveraged stereo images for training monocular depth estimation. Although these methods show strong results on outdoor datasets such as KITTI, they do not match performance of supervised methods on…

计算机视觉与模式识别 · 计算机科学 2021-06-28 Benjamin Keltjens , Tom van Dijk , Guido de Croon

A shallow depth-of-field image keeps the subject in focus, and the foreground and background contexts blurred. This effect requires much larger lens apertures than those of smartphone cameras. Conventional methods acquire RGB-D images and…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Meng-Lin Wu , Venkata Ravi Kiran Dayana , Hau Hwang

In this paper, we propose a dense depth estimation pipeline for multiview 360{\deg} images. The proposed pipeline leverages a spherical camera model that compensates for radial distortion in 360{\deg} images. The key contribution of this…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Seongyeop Yang , Kunhee Kim , Yeejin Lee

Nighttime self-supervised monocular depth estimation has received increasing attention in recent years. However, using night images for self-supervision is unreliable because the photometric consistency assumption is usually violated in the…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Haolin Yang , Chaoqiang Zhao , Lu Sheng , Yang Tang

Estimating depth from a single RGB image is an ill-posed and inherently ambiguous problem. State-of-the-art deep learning methods can now estimate accurate 2D depth maps, but when the maps are projected into 3D, they lack local detail and…

计算机视觉与模式识别 · 计算机科学 2017-12-05 Jun Li , Reinhard Klein , Angela Yao

Homography estimation is a basic image alignment method in many applications. It is usually conducted by extracting and matching sparse feature points, which are error-prone in low-light and low-texture images. On the other hand, previous…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Jirong Zhang , Chuan Wang , Shuaicheng Liu , Lanpeng Jia , Nianjin Ye , Jue Wang , Ji Zhou , Jian Sun

Accurate depth estimation is crucial for 3D scene comprehension in robotics and autonomous vehicles. Fisheye cameras, known for their wide field of view, have inherent geometric benefits. However, their use in depth estimation is restricted…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Guoyang Zhao , Yuxuan Liu , Weiqing Qi , Fulong Ma , Ming Liu , Jun Ma

Although cameras are ubiquitous, robotic platforms typically rely on active sensors like LiDAR for direct 3D perception. In this work, we propose a novel self-supervised monocular depth estimation method combining geometry with a new deep…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Vitor Guizilini , Rares Ambrus , Sudeep Pillai , Allan Raventos , Adrien Gaidon
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