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Phase retrieval algorithms have become an important component in many modern computational imaging systems. For instance, in the context of ptychography and speckle correlation imaging, they enable imaging past the diffraction limit and…

Machine Learning · Statistics 2018-07-03 Christopher A. Metzler , Philip Schniter , Ashok Veeraraghavan , Richard G. Baraniuk

For monocular depth estimation, acquiring ground truths for real data is not easy, and thus domain adaptation methods are commonly adopted using the supervised synthetic data. However, this may still incur a large domain gap due to the lack…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Yu-Ting Yen , Chia-Ni Lu , Wei-Chen Chiu , Yi-Hsuan Tsai

Monocular depth inference is a fundamental problem for scene perception of robots. Specific robots may be equipped with a camera plus an optional depth sensor of any type and located in various scenes of different scales, whereas recent…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Haotian Wang , Meng Yang , Nanning Zheng

The problem of depth completion involves predicting a dense depth image from a single sparse depth map and an RGB image. Unsupervised depth completion methods have been proposed for various datasets where ground truth depth data is…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Sangmin Hong , Suyoung Lee , Kyoung Mu Lee

We propose an end-to-end pipeline for both building and tracking 3D facial models from personalized in-the-wild (cellphone, webcam, youtube clips, etc.) video data. First, we present a method for automatic data curation and retrieval based…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Winnie Lin , Yilin Zhu , Demi Guo , Ron Fedkiw

We show a straightforward and useful methodology for performing instance segmentation using synthetic data. We apply this methodology on a basic case and derived insights through quantitative analysis. We created a new public dataset: The…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Roey Ron , Gil Elbaz

Neural networks have shown great success in extracting geometric information from color images. Especially, monocular depth estimation networks are increasingly reliable in real-world scenes. In this work we investigate the applicability of…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Dominik Engel , Sebastian Hartwig , Timo Ropinski

Recent advances in deep learning have shown exciting promise in filling large holes in natural images with semantically plausible and context aware details, impacting fundamental image manipulation tasks such as object removal. While these…

Computer Vision and Pattern Recognition · Computer Science 2017-04-14 Chao Yang , Xin Lu , Zhe Lin , Eli Shechtman , Oliver Wang , Hao Li

Accurate monocular depth estimation is crucial for 3D scene understanding, but existing methods often blur depth at object boundaries, introducing spurious intermediate 3D points. While achieving sharp edges usually requires very…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Aurélien Cecille , Stefan Duffner , Franck Davoine , Rémi Agier , Thibault Neveu

Single image surface normal estimation and depth estimation are closely related problems as the former can be calculated from the latter. However, the surface normals computed from the output of depth estimation methods are significantly…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Gwangbin Bae , Ignas Budvytis , Roberto Cipolla

We propose a new view synthesis method via synthesizing a 3D neural field from both single or few-view input images. To address the ill-posed nature of the image-to-3D generation problem, we devise a two-stage method that involves a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Tung Do , Thuan Hoang Nguyen , Anh Tuan Tran , Rang Nguyen , Binh-Son Hua

Depth estimation is a crucial step for image-guided intervention in robotic surgery and laparoscopic imaging system. Since per-pixel depth ground truth is difficult to acquire for laparoscopic image data, it is rarely possible to apply…

Computer Vision and Pattern Recognition · Computer Science 2023-06-22 Baoru Huang , Jian-Qing Zheng , Anh Nguyen , Chi Xu , Ioannis Gkouzionis , Kunal Vyas , David Tuch , Stamatia Giannarou , Daniel S. Elson

Depth enhancement, which uses RGB images as guidance to convert raw signals from dToF into high-precision, dense depth maps, is a critical task in computer vision. Although existing super-resolution-based methods show promising results on…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Jijun Xiang , Xuan Zhu , Xianqi Wang , Yu Wang , Hong Zhang , Fei Guo , Xin Yang

Estimating depth from a single 2D image is a challenging task due to the lack of stereo or multi-view data, which are typically required for depth perception. In state-of-the-art architectures, the main challenge is to efficiently capture…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Dabbrata Das , Argho Deb Das , Farhan Sadaf

Underwater image restoration and enhancement are crucial for correcting color distortion and restoring image details, thereby establishing a fundamental basis for subsequent underwater visual tasks. However, current deep learning…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Yufeng Tian , Yifan Chen , Zhe Sun , Libang Chen , Mingyu Dou , Jijun Lu , Ye Zheng , Xuelong Li

With the frequent use of self-supervised monocular depth estimation in robotics and autonomous driving, the model's efficiency is becoming increasingly important. Most current approaches apply much larger and more complex networks to…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Wang Boya , Wang Shuo , Ye Dong , Dou Ziwen

Neural rendering techniques promise efficient photo-realistic image synthesis while at the same time providing rich control over scene parameters by learning the physical image formation process. While several supervised methods have been…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Hassan Abu Alhaija , Siva Karthik Mustikovela , Justus Thies , Varun Jampani , Matthias Nießner , Andreas Geiger , Carsten Rother

Autonomous mobile robots like self-flying drones and industrial robots heavily depend on depth images to perform tasks such as 3D reconstruction and visual SLAM. However, the presence of inaccuracies in these depth images can greatly hinder…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Yashashwee Chakrabarty , Smruti Ranjan Sarangi

This study proposes an automated data mining framework based on autoencoders and experimentally verifies its effectiveness in feature extraction and data dimensionality reduction. Through the encoding-decoding structure, the autoencoder can…

Machine Learning · Computer Science 2024-12-04 Yaxin Liang , Xinshi Li , Xin Huang , Ziqi Zhang , Yue Yao

Existing monocular depth estimation methods have achieved excellent robustness in diverse scenes, but they can only retrieve affine-invariant depth, up to an unknown scale and shift. However, in some video-based scenarios such as video…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Guangkai Xu , Wei Yin , Hao Chen , Chunhua Shen , Kai Cheng , Feng Wu , Feng Zhao