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Recent 3D face reconstruction methods reconstruct the entire head compared to earlier approaches which only model the face. Although these methods accurately reconstruct facial features, they do not explicitly regulate the upper part of the…

计算机视觉与模式识别 · 计算机科学 2022-08-26 Sohan Anisetty , Varsha Saravanabavan , Cai Yiyu

Traditional deformable registration techniques achieve impressive results and offer a rigorous theoretical treatment, but are computationally intensive since they solve an optimization problem for each image pair. Recently, learning-based…

计算机视觉与模式识别 · 计算机科学 2019-03-15 Adrian V. Dalca , Guha Balakrishnan , John Guttag , Mert R. Sabuncu

This paper presents a "learning to learn" approach to figure-ground image segmentation. By exploring webly-abundant images of specific visual effects, our method can effectively learn the visual-effect internal representations in an…

计算机视觉与模式识别 · 计算机科学 2018-12-21 Ding-Jie Chen , Jui-Ting Chien , Hwann-Tzong Chen , Tyng-Luh Liu

Neural radiance fields (NeRF) and 3D Gaussian Splatting (3DGS) are popular techniques to reconstruct and render photo-realistic images. However, the pre-requisite of running Structure-from-Motion (SfM) to get camera poses limits their…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Yu Chen , Rolandos Alexandros Potamias , Evangelos Ververas , Jifei Song , Jiankang Deng , Gim Hee Lee

With the development of deep learning, supervised learning has frequently been adopted to classify remotely sensed images using convolutional networks (CNNs). However, due to the limited amount of labeled data available, supervised learning…

计算机视觉与模式识别 · 计算机科学 2017-11-22 Daoyu Lin , Kun Fu , Yang Wang , Guangluan Xu , Xian Sun

Embedding 3D morphable basis functions into deep neural networks opens great potential for models with better representation power. However, to faithfully learn those models from an image collection, it requires strong regularization to…

计算机视觉与模式识别 · 计算机科学 2019-04-11 Luan Tran , Feng Liu , Xiaoming Liu

Bias field, which is caused by imperfect MR devices or imaged objects, introduces intensity inhomogeneity into MR images and degrades the performance of MR image analysis methods. Many retrospective algorithms were developed to facilitate…

图像与视频处理 · 电气工程与系统科学 2023-08-01 Dong Liang , Xingyu Qiu , Kuanquan Wang , Gongning Luo , Wei Wang , Yashu Liu

A promising direction for pre-training 3D point clouds is to leverage the massive amount of data in 2D, whereas the domain gap between 2D and 3D creates a fundamental challenge. This paper proposes a novel approach to point-cloud…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Siming Yan , Chen Song , Youkang Kong , Qixing Huang

It's useful to automatically transform an image from its original form to some synthetic form (style, partial contents, etc.), while keeping the original structure or semantics. We define this requirement as the "image-to-image translation"…

计算机视觉与模式识别 · 计算机科学 2017-01-11 Hao Dong , Paarth Neekhara , Chao Wu , Yike Guo

To train the change detector, bi-temporal images taken at different times in the same area are used. However, collecting labeled bi-temporal images is expensive and time consuming. To solve this problem, various unsupervised change…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Hyeoncheol Noh , Jingi Ju , Minseok Seo , Jongchan Park , Dong-Geol Choi

Image segmentation is the foundation of several computer vision tasks, where pixel-wise knowledge is a prerequisite for achieving the desired target. Deep learning has shown promising performance in supervised image segmentation. However,…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Boujemaa Guermazi , Riadh Ksantini , Naimul Khan

Our goal is to extract meaningful transformations from raw images, such as varying the thickness of lines in handwriting or the lighting in a portrait. We propose an unsupervised approach to learn such transformations by attempting to…

机器学习 · 统计学 2017-11-08 Tatsunori B. Hashimoto , John C. Duchi , Percy Liang

We propose an unsupervised method for 3D geometry-aware representation learning of articulated objects, in which no image-pose pairs or foreground masks are used for training. Though photorealistic images of articulated objects can be…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Atsuhiro Noguchi , Xiao Sun , Stephen Lin , Tatsuya Harada

We propose a method to learn 3D deformable object categories from raw single-view images, without external supervision. The method is based on an autoencoder that factors each input image into depth, albedo, viewpoint and illumination. In…

计算机视觉与模式识别 · 计算机科学 2020-04-01 Shangzhe Wu , Christian Rupprecht , Andrea Vedaldi

In this paper, we study a simple and generic framework to tackle the problem of learning model parameters when a fraction of the training samples are corrupted. We first make a simple observation: in a variety of such settings, the…

机器学习 · 计算机科学 2019-02-20 Yanyao Shen , Sujay Sanghavi

We present a self-supervised learning approach to learning monocular 3D face reconstruction with a pose guidance network (PGN). First, we unveil the bottleneck of pose estimation in prior parametric 3D face learning methods, and propose to…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Pengpeng Liu , Xintong Han , Michael Lyu , Irwin King , Jia Xu

This paper focuses on unsupervised modeling of morphological families, collectively comprising a forest over the language vocabulary. This formulation enables us to capture edgewise properties reflecting single-step morphological…

计算与语言 · 计算机科学 2017-02-24 Jiaming Luo , Karthik Narasimhan , Regina Barzilay

Can we construct an explainable face recognition network able to learn a facial part-based feature like eyes, nose, mouth and so forth, without any manual annotation or additionalsion datasets? In this paper, we propose a generic…

计算机视觉与模式识别 · 计算机科学 2022-07-06 Huawei Lin , Haozhe Liu , Qiufu Li , Linlin Shen

In this paper, we show how a 3D Morphable Model (i.e. a statistical model of the 3D shape of a class of objects such as faces) can be used to spatially transform input data as a module (a 3DMM-STN) within a convolutional neural network.…

计算机视觉与模式识别 · 计算机科学 2018-04-20 Anil Bas , Patrik Huber , William A. P. Smith , Muhammad Awais , Josef Kittler

In this paper, we propose a generative framework that unifies depth-based 3D facial pose tracking and face model adaptation on-the-fly, in the unconstrained scenarios with heavy occlusions and arbitrary facial expression variations.…

计算机视觉与模式识别 · 计算机科学 2019-05-07 Lu Sheng , Jianfei Cai , Tat-Jen Cham , Vladimir Pavlovic , King Ngi Ngan