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In this work we present a self-supervised learning framework to simultaneously train two Convolutional Neural Networks (CNNs) to predict depth and surface normals from a single image. In contrast to most existing frameworks which represent…

计算机视觉与模式识别 · 计算机科学 2019-03-04 Huangying Zhan , Chamara Saroj Weerasekera , Ravi Garg , Ian Reid

Fully supervised human mesh recovery methods are data-hungry and have poor generalizability due to the limited availability and diversity of 3D-annotated benchmark datasets. Recent progress in self-supervised human mesh recovery has been…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Xuan Gong , Meng Zheng , Benjamin Planche , Srikrishna Karanam , Terrence Chen , David Doermann , Ziyan Wu

We propose to simultaneously learn to sample and reconstruct magnetic resonance images (MRI) to maximize the reconstruction quality given a limited sample budget, in a self-supervised setup. Unlike existing deep methods that focus only on…

计算机视觉与模式识别 · 计算机科学 2019-01-16 Kyong Hwan Jin , Michael Unser , Kwang Moo Yi

Seismic data reconstruction is an effective tool for compensating nonuniform and incomplete seismic geometry. Compared with methods for 2D seismic data, 3D reconstruction methods could consider more spatial structure correlation in seismic…

地球物理 · 物理学 2024-06-21 Xinyang Wang , Qianyu Ge , Xintong Dong , Shiqi Dong , Tie Zhong

Visual and audio modalities are highly correlated, yet they contain different information. Their strong correlation makes it possible to predict the semantics of one from the other with good accuracy. Their intrinsic differences make…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Humam Alwassel , Dhruv Mahajan , Bruno Korbar , Lorenzo Torresani , Bernard Ghanem , Du Tran

Supervised dictionary learning (SDL) is a classical machine learning method that simultaneously seeks feature extraction and classification tasks, which are not necessarily a priori aligned objectives. The goal of SDL is to learn a…

机器学习 · 统计学 2022-06-15 Joowon Lee , Hanbaek Lyu , Weixin Yao

Magnetic Resonance Imaging (MRI) is widely used in clinical practice, but suffered from prolonged acquisition time. Although deep learning methods have been proposed to accelerate acquisition and demonstrate promising performance, they rely…

图像与视频处理 · 电气工程与系统科学 2025-12-30 Hao Zhang , Qi Wang , Jian Sun , Zhijie Wen , Jun Shi , Shihui Ying

Conventional uncertainty quantification methods usually lacks the capability of dealing with high-dimensional problems due to the curse of dimensionality. This paper presents a semi-supervised learning framework for dimension reduction and…

机器学习 · 统计学 2020-06-02 Zequn Wang , Mingyang Li

Deep convolutional neural networks (CNNs) have recently achieved great success for single image super-resolution (SISR) task due to their powerful feature representation capabilities. The most recent deep learning based SISR methods focus…

图像与视频处理 · 电气工程与系统科学 2020-09-11 Rao Muhammad Umer , Gian Luca Foresti , Christian Micheloni

As the deep learning revolution marches on, self-supervised learning has garnered increasing attention in recent years thanks to its remarkable representation learning ability and the low dependence on labeled data. Among these varied…

计算机视觉与模式识别 · 计算机科学 2024-01-10 Siyuan Li , Luyuan Zhang , Zedong Wang , Di Wu , Lirong Wu , Zicheng Liu , Jun Xia , Cheng Tan , Yang Liu , Baigui Sun , Stan Z. Li

We present a self-supervised deep pose correction (DPC) network that applies pose corrections to a visual odometry estimator to improve its accuracy. Instead of regressing inter-frame pose changes directly, we build on prior work that uses…

机器人学 · 计算机科学 2020-10-16 Brandon Wagstaff , Valentin Peretroukhin , Jonathan Kelly

Medical imaging data suffers from the limited availability of annotation because annotating 3D medical data is a time-consuming and expensive task. Moreover, even if the annotation is available, supervised learning-based approaches suffer…

图像与视频处理 · 电气工程与系统科学 2020-11-12 Abinav Ravi Venkatakrishnan , Seong Tae Kim , Rami Eisawy , Franz Pfister , Nassir Navab

Reconstructing images using Computed Tomography (CT) in an industrial context leads to specific challenges that differ from those encountered in other areas, such as clinical CT. Indeed, non-destructive testing with industrial CT will often…

图像与视频处理 · 电气工程与系统科学 2024-12-02 Emilien Valat , Andreas Hauptmann , Ozan Öktem

There is increasing realization in neuroscience that information is represented in the brain, e.g., neocortex, hippocampus, in the form sparse distributed codes (SDCs), a kind of cell assembly. Two essential questions are: a) how are such…

机器学习 · 计算机科学 2020-10-22 Rod Rinkus

Recently, deep learning-based compressive imaging (DCI) has surpassed the conventional compressive imaging in reconstruction quality and faster running time. While multi-scale has shown superior performance over single-scale, research in…

图像与视频处理 · 电气工程与系统科学 2020-08-04 Thuong Nguyen Canh , Byeungwoo Jeon

Recently, methods for neural surface representation and rendering, for example NeuS, have shown that learning neural implicit surfaces through volume rendering is becoming increasingly popular and making good progress. However, these…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Hanqi Jiang , Cheng Zeng , Runnan Chen , Shuai Liang , Yinhe Han , Yichao Gao , Conglin Wang

3D scene reconstruction from 2D images has been a long-standing task. Instead of estimating per-frame depth maps and fusing them in 3D, recent research leverages the neural implicit surface as a unified representation for 3D reconstruction.…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Xinyi Yu , Liqin Lu , Jintao Rong , Guangkai Xu , Linlin Ou

Deep metric learning is an important area due to its applicability to many domains such as image retrieval and person re-identification. The main drawback of such models is the necessity for labeled data. In this work, we propose to…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Xuefei Cao , Bor-Chun Chen , Ser-Nam Lim

Neural rendering can be used to reconstruct implicit representations of shapes without 3D supervision. However, current neural surface reconstruction methods have difficulty learning high-frequency geometry details, so the reconstructed…

计算机视觉与模式识别 · 计算机科学 2022-09-23 Yiqun Wang , Ivan Skorokhodov , Peter Wonka

Recovering 3D geometry and textures of individual objects is crucial for many robotics applications, such as manipulation, pose estimation, and autonomous driving. However, decomposing a target object from a complex background is…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Jun Wu , Sicheng Li , Sihui Ji , Yifei Yang , Yue Wang , Rong Xiong , Yiyi Liao