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This paper addresses the problem of reconstructing a scene online at the level of objects given an RGB-D video sequence. While current object-aware neural implicit representations hold promise, they are limited in online reconstruction…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Thomas Chabal , Shizhe Chen , Jean Ponce , Cordelia Schmid

We propose an analysis-by-synthesis method for fast multi-view 3D reconstruction of opaque objects with arbitrary materials and illumination. State-of-the-art methods use both neural surface representations and neural rendering. While…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Markus Worchel , Rodrigo Diaz , Weiwen Hu , Oliver Schreer , Ingo Feldmann , Peter Eisert

The performance of a trained object detection neural network depends a lot on the image quality. Generally, images are pre-processed before feeding them into the neural network and domain knowledge about the image dataset is used to choose…

计算机视觉与模式识别 · 计算机科学 2020-08-19 Siddharth Nayak , Balaraman Ravindran

Recent studies have demonstrated that reinforcement learning (RL) agents are susceptible to adversarial manipulation, similar to vulnerabilities previously demonstrated in the supervised learning setting. While most existing work studies…

We present Deep Illumination, a novel machine learning technique for approximating global illumination (GI) in real-time applications using a Conditional Generative Adversarial Network. Our primary focus is on generating indirect…

图形学 · 计算机科学 2018-05-24 Manu Mathew Thomas , Angus G. Forbes

Conventional approaches to object instance re-identification rely on matching appearances of the target objects among a set of frames. However, learning appearances of the objects alone might fail when there are multiple objects with…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Vaibhav Bansal , Stuart James , Alessio Del Bue

Recovering badly damaged face images is a useful yet challenging task, especially in extreme cases where the masked or damaged region is very large. One of the major challenges is the ability of the system to generalize on faces outside the…

计算机视觉与模式识别 · 计算机科学 2021-05-14 Nilesh Pandey , Andreas Savakis

Relighting is an essential step in realistically transferring objects from a captured image into another environment. For example, authentic telepresence in Augmented Reality requires faces to be displayed and relit consistent with the…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Thomas Nestmeyer , Jean-François Lalonde , Iain Matthews , Andreas M. Lehrmann

An adversary can fool deep neural network object detectors by generating adversarial noises. Most of the existing works focus on learning local visible noises in an adversarial "patch" fashion. However, the 2D patch attached to a 3D object…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Yexin Duan , Jialin Chen , Xingyu Zhou , Junhua Zou , Zhengyun He , Jin Zhang , Wu Zhang , Zhisong Pan

Deep neural networks (DNNs) have achieved remarkable success in computer vision tasks such as image classification, segmentation, and object detection. However, they are vulnerable to adversarial attacks, which can cause incorrect…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Suklav Ghosh , Sonal Kumar , Arijit Sur

The GANs promote an adversarive game to approximate complex and jointed example probability. The networks driven by noise generate fake examples to approximate realistic data distributions. Later the conditional GAN merges prior-conditions…

计算机视觉与模式识别 · 计算机科学 2017-07-18 Meng Wang , Huafeng Li , Fang Li

Estimating the pose and shape of hands and objects under interaction finds numerous applications including augmented and virtual reality. Existing approaches for hand and object reconstruction require explicitly defined physical constraints…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Tze Ho Elden Tse , Kwang In Kim , Ales Leonardis , Hyung Jin Chang

Adversarial examples are data points misclassified by neural networks. Originally, adversarial examples were limited to adding small perturbations to a given image. Recent work introduced the generalized concept of unrestricted adversarial…

机器学习 · 计算机科学 2020-05-20 Martin Kotuliak , Sandro E. Schoenborn , Andrei Dan

Application of realism enhancement methods, particularly in real-time and resource-constrained settings, has been frustrated by the expense of existing methods. These achieve high quality results only at the cost of long runtimes and high…

图形学 · 计算机科学 2023-06-08 Arturo Salmi , Szabolcs Cséfalvay , James Imber

This study introduces a novel approach to neural rendering, specifically tailored for adversarial camouflage, within an extensive 3D rendering framework. Our method, named FPA, goes beyond traditional techniques by faithfully simulating…

计算机视觉与模式识别 · 计算机科学 2024-12-13 Yang Li , Wenyi Tan , Tingrui Wang , Xinkai Liang , Quan Pan

Autonomous vehicles are typical complex intelligent systems with artificial intelligence at their core. However, perception methods based on deep learning are extremely vulnerable to adversarial samples, resulting in security accidents. How…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Yuanhao Huang , Yilong Ren , Jinlei Wang , Lujia Huo , Xuesong Bai , Jinchuan Zhang , Haiyan Yu

Recent approaches to jointly reconstruct 3D humans and objects from a single RGB image represent 3D shapes with template-based or coarse models, which fail to capture details of loose clothing on human bodies. In this paper, we introduce a…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Ayushi Dutta , Marco Pesavento , Marco Volino , Adrian Hilton , Armin Mustafa

Obtaining a useful estimate of an object from highly incomplete imaging measurements remains a holy grail of imaging science. Deep learning methods have shown promise in learning object priors or constraints to improve the conditioning of…

图像与视频处理 · 电气工程与系统科学 2021-06-28 Varun A. Kelkar , Mark A. Anastasio

This work discusses a learning approach to mask rewarding objects in images using sparse reward signals from an imitation learning dataset. For that, we train an Hourglass network using only feedback from a critic model. The Hourglass…

计算机视觉与模式识别 · 计算机科学 2021-07-21 Andrew Melnik , Augustin Harter , Christian Limberg , Krishan Rana , Niko Suenderhauf , Helge Ritter

We present a generative model of images that explicitly reasons over the set of objects they show. Our model learns a structured latent representation that separates objects from each other and from the background; unlike prior works, it…

机器学习 · 计算机科学 2020-04-03 Titas Anciukevicius , Christoph H. Lampert , Paul Henderson