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Generative Adversarial Networks (GANs) have emerged as a significant player in generative modeling by mapping lower-dimensional random noise to higher-dimensional spaces. These networks have been used to generate high-resolution images and…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Satya Pratheek Tata , Subhankar Mishra

Single image super resolution (SISR) is to reconstruct a high resolution image from a single low resolution image. The SISR task has been a very attractive research topic over the last two decades. In recent years, convolutional neural…

计算机视觉与模式识别 · 计算机科学 2017-12-21 Bingzhe Wu , Haodong Duan , Zhichao Liu , Guangyu Sun

We present a high-fidelity 3D generative adversarial network (GAN) inversion framework that can synthesize photo-realistic novel views while preserving specific details of the input image. High-fidelity 3D GAN inversion is inherently…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Jiaxin Xie , Hao Ouyang , Jingtan Piao , Chenyang Lei , Qifeng Chen

The ability of generative models to accurately fit data distributions has resulted in their widespread adoption and success in fields such as computer vision and natural language processing. In this chapter, we provide a brief overview of…

图像与视频处理 · 电气工程与系统科学 2023-12-04 Yongsong Huang , Shinichiro Omachi

In the past several decades, many attempts have been made to model synthetic realistic geometric data. The goal of such models is to generate plausible 3D geometries and textures. Perhaps the best known of its kind is the linear 3D…

计算几何 · 计算机科学 2018-08-28 Ron Slossberg , Gil Shamai , Ron Kimmel

Generative Adversarial Networks (GANs) have gained significant attention in several computer vision tasks for generating high-quality synthetic data. Various medical applications including diagnostic imaging and radiation therapy can…

图像与视频处理 · 电气工程与系统科学 2022-07-25 Sanaz Mohammadjafari , Mucahit Cevik , Ayse Basar

Highly expressive models such as deep neural networks (DNNs) have been widely applied to various applications. However, recent studies show that DNNs are vulnerable to adversarial examples, which are carefully crafted inputs aiming to…

密码学与安全 · 计算机科学 2019-07-02 Chaowei Xiao , Dawei Yang , Bo Li , Jia Deng , Mingyan Liu

Single Image Super-Resolution (SISR) task refers to learn a mapping from low-resolution images to the corresponding high-resolution ones. This task is known to be extremely difficult since it is an ill-posed problem. Recently, Convolutional…

计算机视觉与模式识别 · 计算机科学 2020-01-29 Seyed Mehdi Ayyoubzadeh , Xiaolin Wu

We introduce InseRF, a novel method for generative object insertion in the NeRF reconstructions of 3D scenes. Based on a user-provided textual description and a 2D bounding box in a reference viewpoint, InseRF generates new objects in 3D…

计算机视觉与模式识别 · 计算机科学 2024-01-11 Mohamad Shahbazi , Liesbeth Claessens , Michael Niemeyer , Edo Collins , Alessio Tonioni , Luc Van Gool , Federico Tombari

Neural Image Classifiers are effective but inherently hard to interpret and susceptible to adversarial attacks. Solutions to both problems exist, among others, in the form of counterfactual examples generation to enhance explainability or…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Rafael Bischof , Florian Scheidegger , Michael A. Kraus , A. Cristiano I. Malossi

Virtual environments (VEs) are pivotal for virtual, augmented, and mixed reality systems. Despite advances in 3D generation and reconstruction, the direct creation of 3D objects within an established 3D scene (represented as NeRF) for novel…

计算机视觉与模式识别 · 计算机科学 2024-09-23 Peng Dai , Feitong Tan , Xin Yu , Yifan Peng , Yinda Zhang , Xiaojuan Qi

This work explores the use of 3D generative models to synthesize training data for 3D vision tasks. The key requirements of the generative models are that the generated data should be photorealistic to match the real-world scenarios, and…

计算机视觉与模式识别 · 计算机科学 2023-04-10 Leheng Li , Qing Lian , Luozhou Wang , Ningning Ma , Ying-Cong Chen

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

We propose SDFDiff, a novel approach for image-based shape optimization using differentiable rendering of 3D shapes represented by signed distance functions (SDFs). Compared to other representations, SDFs have the advantage that they can…

计算机视觉与模式识别 · 计算机科学 2022-02-23 Yue Jiang , Dantong Ji , Zhizhong Han , Matthias Zwicker

Image super-resolution (SR) methods can generate remote sensing images with high spatial resolution without increasing the cost, thereby providing a feasible way to acquire high-resolution remote sensing images, which are difficult to…

图像与视频处理 · 电气工程与系统科学 2021-07-15 Meng Xu , Zhihao Wang , Jiasong Zhu , Xiuping Jia , Sen Jia

Although data generation is often straightforward, extracting information from data is more difficult. Object-centric representation learning can extract information from images in an unsupervised manner. It does so by segmenting an image…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Joël Küchler , Ellen van Maren , Vaiva Vasiliauskaitė , Katarina Vulić , Reza Abbasi-Asl , Stephan J. Ihle

We are interested in learning visual representations which allow for 3D manipulations of visual objects based on a single 2D image. We cast this into an image-to-image transformation task, and propose Iterative Generative Adversarial…

计算机视觉与模式识别 · 计算机科学 2019-09-05 Ysbrand Galama , Thomas Mensink

3D reconstruction from images has wide applications in Virtual Reality and Automatic Driving, where the precision requirement is very high. Ground-breaking research in the neural radiance field (NeRF) by utilizing Multi-Layer Perceptions…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Jiaming Shen , Bolin Song , Zirui Wu , Yi Xu

Neural Radiance Fields (NeRFs) are a powerful representation for modeling a 3D scene as a continuous function. Though NeRF is able to render complex 3D scenes with view-dependent effects, few efforts have been devoted to exploring its…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Yifan Jiang , Peter Hedman , Ben Mildenhall , Dejia Xu , Jonathan T. Barron , Zhangyang Wang , Tianfan Xue

Image blending aims to combine multiple images seamlessly. It remains challenging for existing 2D-based methods, especially when input images are misaligned due to differences in 3D camera poses and object shapes. To tackle these issues, we…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Hyunsu Kim , Gayoung Lee , Yunjey Choi , Jin-Hwa Kim , Jun-Yan Zhu