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With the advent of convolutional neural networks, stereo matching algorithms have recently gained tremendous progress. However, it remains a great challenge to accurately extract disparities from real-world image pairs taken by…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Jiankun Li , Peisen Wang , Pengfei Xiong , Tao Cai , Ziwei Yan , Lei Yang , Jiangyu Liu , Haoqiang Fan , Shuaicheng Liu

Depth estimation from stereo images is carried out with unmatched results by convolutional neural networks trained end-to-end to regress dense disparities. Like for most tasks, this is possible if large amounts of labelled samples are…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Matteo Poggi , Alessio Tonioni , Fabio Tosi , Stefano Mattoccia , Luigi Di Stefano

We show how to train a fully convolutional neural network to perform inverse rendering from a single, uncontrolled image. The network takes an RGB image as input, regresses albedo and normal maps from which we compute lighting coefficients.…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Ye Yu , William A. P. Smith

Display technologies have evolved over the years. It is critical to develop practical HDR capturing, processing, and display solutions to bring 3D technologies to the next level. Depth estimation of multi-exposure stereo image sequences is…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Rohit Choudhary , Mansi Sharma , Uma T , Rithvik Anil

Pre-training general-purpose visual features with convolutional neural networks without relying on annotations is a challenging and important task. Most recent efforts in unsupervised feature learning have focused on either small or highly…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Mathilde Caron , Piotr Bojanowski , Julien Mairal , Armand Joulin

Neural Radiance Fields (NeRF) have been proposed for photorealistic novel view rendering. However, it requires many different views of one scene for training. Moreover, it has poor generalizations to new scenes and requires retraining or…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Yurui Chen , Chun Gu , Feihu Zhang , Li Zhang

Deep neural networks produce state-of-the-art results when trained on a large number of labeled examples but tend to overfit when small amounts of labeled examples are used for training. Creating a large number of labeled examples requires…

Computer Vision and Pattern Recognition · Computer Science 2021-09-13 Attaullah Sahito , Eibe Frank , Bernhard Pfahringer

End-to-end deep networks represent the state of the art for stereo matching. While excelling on images framing environments similar to the training set, major drops in accuracy occur in unseen domains (e.g., when moving from synthetic to…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Changjiang Cai , Matteo Poggi , Stefano Mattoccia , Philippos Mordohai

We demonstrate that a deep neural network can significantly improve optical microscopy, enhancing its spatial resolution over a large field-of-view and depth-of-field. After its training, the only input to this network is an image acquired…

Machine Learning · Computer Science 2017-11-21 Yair Rivenson , Zoltan Gorocs , Harun Gunaydin , Yibo Zhang , Hongda Wang , Aydogan Ozcan

Visual place recognition (VPR) using deep networks has achieved state-of-the-art performance. However, most of them require a training set with ground truth sensor poses to obtain positive and negative samples of each observation's spatial…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Chao Chen , Zegang Cheng , Xinhao Liu , Yiming Li , Li Ding , Ruoyu Wang , Chen Feng

Deep Neural Networks (DNNs) have been successfully applied to a wide range of problems. However, two main limitations are commonly pointed out. The first one is that they require long time to design. The other is that they heavily rely on…

Neural and Evolutionary Computing · Computer Science 2024-06-21 Adriano Vinhas , João Correia , Penousal Machado

Unlike other vision tasks where Transformer-based approaches are becoming increasingly common, stereo depth estimation is still dominated by convolution-based approaches. This is mainly due to the limited availability of real-world ground…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Soomin Kim , Hyesong Choi , Jihye Ahn , Dongbo Min

We propose a semi-supervised network for wide-angle portraits correction. Wide-angle images often suffer from skew and distortion affected by perspective distortion, especially noticeable at the face regions. Previous deep learning based…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Fushun Zhu , Shan Zhao , Peng Wang , Hao Wang , Hua Yan , Shuaicheng Liu

Stereo matching is one of the widely used techniques for inferring depth from stereo images owing to its robustness and speed. It has become one of the major topics of research since it finds its applications in autonomous driving, robotic…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Viny Saajan Victor , Peter Neigel

Today, Multi-View Stereo techniques are able to reconstruct robust and detailed 3D models, especially when starting from high-resolution images. However, there are cases in which the resolution of input images is relatively low, for…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Eugenio Lomurno , Andrea Romanoni , Matteo Matteucci

Under good conditions, Neural Radiance Fields (NeRFs) have shown impressive results on novel view synthesis tasks. NeRFs learn a scene's color and density fields by minimizing the photometric discrepancy between training views and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Jamie Wynn , Daniyar Turmukhambetov

We exploit a recently derived inversion scheme for arbitrary deep neural networks to develop a new semi-supervised learning framework that applies to a wide range of systems and problems. The approach outperforms current state-of-the-art…

Machine Learning · Statistics 2017-11-15 Randall Balestriero , Vincent Roger , Herve G. Glotin , Richard G. Baraniuk

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…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Subhayan Mukherjee , Ram Mohana Reddy Guddeti

Self-supervised learning of convolutional neural networks can harness large amounts of cheap unlabeled data to train powerful feature representations. As surrogate task, we jointly address ordering of visual data in the spatial and temporal…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Uta Büchler , Biagio Brattoli , Björn Ommer

Recently, over-parameterized deep networks, with increasingly more network parameters than training samples, have dominated the performances of modern machine learning. However, when the training data is corrupted, it has been well-known…

Machine Learning · Computer Science 2022-08-04 Sheng Liu , Zhihui Zhu , Qing Qu , Chong You