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Acquiring the virtual equivalent of exhibits, such as sculptures, in virtual reality (VR) museums, can be labour-intensive and sometimes infeasible. Deep learning based 3D reconstruction approaches allow us to recover 3D shapes from 2D…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Ziyi Chang , George Alex Koulieris , Hubert P. H. Shum

Due to the large cross-modality discrepancy between 2D sketches and 3D shapes, retrieving 3D shapes by sketches is a significantly challenging task. To address this problem, we propose a novel framework to learn a discriminative deep…

计算机视觉与模式识别 · 计算机科学 2018-07-06 Jiaxin Chen , Yi Fang

Recent advances in 3D perception have shown impressive progress in understanding geometric structures of 3Dshapes and even scenes. Inspired by these advances in geometric understanding, we aim to imbue image-based perception with…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Ji Hou , Saining Xie , Benjamin Graham , Angela Dai , Matthias Nießner

We present a new weakly supervised learning-based method for generating novel category-specific 3D shapes from unoccluded image collections. Our method is weakly supervised and only requires silhouette annotations from unoccluded,…

计算机视觉与模式识别 · 计算机科学 2019-06-11 Xiao Li , Yue Dong , Pieter Peers , Xin Tong

Image-to-image translation is a class of vision and graphics problems where the goal is to learn the mapping between an input image and an output image using a training set of aligned image pairs. However, for many tasks, paired training…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Jun-Yan Zhu , Taesung Park , Phillip Isola , Alexei A. Efros

Generic 3D reconstruction from a single image is a difficult problem. A lot of data loss occurs in the projection. A domain based approach to reconstruction where we solve a smaller set of problems for a particular use case lead to greater…

计算机视觉与模式识别 · 计算机科学 2016-06-21 Atishay Jain

Most deep learning models are data-driven and the excellent performance is highly dependent on the abundant and diverse datasets. However, it is very hard to obtain and label the datasets of some specific scenes or applications. If we train…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Tianxiao Zhang , Wenchi Ma , Guanghui Wang

We address the problem of unpaired geometric image-to-image translation. Rather than transferring the style of an image as a whole, our goal is to translate the geometry of an object as depicted in different domains while preserving its…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Kaili Wang , Liqian Ma , Jose Oramas , Luc Van Gool , Tinne Tuytelaars

Spatial relationships between objects provide important information for text-based image retrieval. As users are more likely to describe a scene from a real world perspective, using 3D spatial relationships rather than 2D relationships that…

计算机视觉与模式识别 · 计算机科学 2017-04-13 Ang Li , Jin Sun , Joe Yue-Hei Ng , Ruichi Yu , Vlad I. Morariu , Larry S. Davis

Dynamic objects have a significant impact on the robot's perception of the environment which degrades the performance of essential tasks such as localization and mapping. In this work, we address this problem by synthesizing plausible…

计算机视觉与模式识别 · 计算机科学 2022-01-05 Borna Bešić , Abhinav Valada

Generating adversarial examples is an intriguing problem and an important way of understanding the working mechanism of deep neural networks. Most existing approaches generated perturbations in the image space, i.e., each pixel can be…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Xiaohui Zeng , Chenxi Liu , Yu-Siang Wang , Weichao Qiu , Lingxi Xie , Yu-Wing Tai , Chi Keung Tang , Alan L. Yuille

Object recognition from images means to automatically find object(s) of interest and to return their category and location information. Benefiting from research on deep learning, like convolutional neural networks~(CNNs) and generative…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Zhize Wu , Xiaofeng Wang , Tong Xu , Xuebin Yang , Le Zou , Lixiang Xu , Thomas Weise

Adversarial examples have been demonstrated to threaten many computer vision tasks including object detection. However, the existing attacking methods for object detection have two limitations: poor transferability, which denotes that the…

计算机视觉与模式识别 · 计算机科学 2019-05-14 Xingxing Wei , Siyuan Liang , Ning Chen , Xiaochun Cao

Establishing correspondences between 3D shapes is a fundamental task in 3D Computer Vision, typically addressed by matching local descriptors. Recently, a few attempts at applying the deep learning paradigm to the task have shown promising…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Riccardo Spezialetti , Samuele Salti , Luigi Di Stefano

Deep learning-based object reconstruction algorithms have shown remarkable improvements over classical methods. However, supervised learning based methods perform poorly when the training data and the test data have different distributions.…

计算机视觉与模式识别 · 计算机科学 2021-08-26 Brandon Leung , Siddharth Singh , Arik Horodniceanu

While progress in 2D generative models of human appearance has been rapid, many applications require 3D avatars that can be animated and rendered. Unfortunately, most existing methods for learning generative models of 3D humans with diverse…

计算机视觉与模式识别 · 计算机科学 2023-05-04 Zijian Dong , Xu Chen , Jinlong Yang , Michael J. Black , Otmar Hilliges , Andreas Geiger

In this work, we propose an inverse rendering model that estimates 3D shape, spatially-varying reflectance, homogeneous subsurface scattering parameters, and an environment illumination jointly from only a pair of captured images of a…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Chenhao Li , Trung Thanh Ngo , Hajime Nagahara

This paper presents a novel patch-based adversarial attack pipeline that trains adversarial patches on 3D human meshes. We sample triangular faces on a reference human mesh, and create an adversarial texture atlas over those faces. The…

计算机视觉与模式识别 · 计算机科学 2021-04-23 Arman Maesumi , Mingkang Zhu , Yi Wang , Tianlong Chen , Zhangyang Wang , Chandrajit Bajaj

Accurately reconstructing a 3D scene including explicit geometry information is both attractive and challenging. Geometry reconstruction can benefit from incorporating differentiable appearance models, such as Neural Radiance Fields and 3D…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Ancheng Lin , Yusheng Xiang , Paul Kennedy , Jun Li

In this work, we study the image transformation problem, which targets at learning the underlying transformations (e.g., the transition of seasons) from a collection of unlabeled images. However, there could be countless of transformations…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Kaiwen Zha , Yujun Shen , Bolei Zhou