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Laplacian eigenvectors capture natural community structures on graphs and are widely used in spectral clustering and manifold learning. The use of Laplacian eigenvectors as embeddings for the purpose of multiscale graph comparison has…

Machine Learning · Statistics 2023-02-07 Edric Tam , David Dunson

Calcified plaque in the aorta and pelvic arteries is associated with coronary artery calcification and is a strong predictor of heart attack. Current calcified plaque detection models show poor generalizability to different domains (ie.…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Yingying Zhu , Daniel C. Elton , Sungwon Lee , Perry J. Pickhardt , Ronald M. Summers

Given a composite image, image harmonization aims to adjust the foreground to make it compatible with the background. High-resolution image harmonization is in high demand, but still remains unexplored. Conventional image harmonization…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Wenyan Cong , Xinhao Tao , Li Niu , Jing Liang , Xuesong Gao , Qihao Sun , Liqing Zhang

Inference of correspondences between images from different modalities is an extremely important perceptual ability that enables humans to understand and recognize cross-modal concepts. In this paper, we consider an instance of this problem…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Chen Liu , Jiajun Wu , Pushmeet Kohli , Yasutaka Furukawa

Compared to color images captured by conventional RGB cameras, monochrome images usually have better signal-to-noise ratio (SNR) and richer textures due to its higher quantum efficiency. It is thus natural to apply a mono-color dual-camera…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Ze-Hua Sheng , Hui-Liang Shen , Bo-Wen Yao , Huaqi Zhang

We present the Colorization Transformer, a novel approach for diverse high fidelity image colorization based on self-attention. Given a grayscale image, the colorization proceeds in three steps. We first use a conditional autoregressive…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Manoj Kumar , Dirk Weissenborn , Nal Kalchbrenner

Image compression with upsampling encodes information to succeedingly increase image resolution, for example by encoding differences in FUIF and JPEG XL. It is useful for progressive decoding, also often can improve compression ratio - both…

Image and Video Processing · Electrical Eng. & Systems 2020-07-14 Jarek Duda

Due to the various reasons such as atmospheric effects and differences in acquisition, it is often the case that there exists a large difference between spectral bands of satellite images collected from different geographic locations. The…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Onur Tasar , S L Happy , Yuliya Tarabalka , Pierre Alliez

Image harmonization has been significantly advanced with large-scale harmonization dataset. However, the current way to build dataset is still labor-intensive, which adversely affects the extendability of dataset. To address this problem,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Junyan Cao , Wenyan Cong , Li Niu , Jianfu Zhang , Liqing Zhang

In this paper, we empirically reveal an invariance over images-images share a set of one-way wave equations with latent speeds. Each image is uniquely associated with a solution to these wave equations, allowing for its reconstruction with…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Yinpeng Chen , Dongdong Chen , Xiyang Dai , Mengchen Liu , Yinan Feng , Youzuo Lin , Lu Yuan , Zicheng Liu

Cross-Correlation random matrices have emerged as a promising indicator of phase transitions in spin systems. The core concept is that the evolution of magnetization encapsulates thermodynamic information [R. da Silva, Int. J. Mod. Phys. C,…

Statistical Mechanics · Physics 2024-08-19 Roberto da Silva , Sandra D. Prado

Texture and material blending is one of the leading methods for adding variety to rendered virtual worlds, creating composite materials, and generating procedural content. When done naively, it can introduce either visible seams or contrast…

Graphics · Computer Science 2025-02-20 Bartlomiej Wronski

Neural Style Transfer based on Convolutional Neural Networks (CNN) aims to synthesize a new image that retains the high-level structure of a content image, rendered in the low-level texture of a style image. This is achieved by constraining…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Shaohua Li , Xinxing Xu , Liqiang Nie , Tat-Seng Chua

In this paper we found a Lagrangian representation and corresponding Hamiltonian structure for the constant astigmatism equation. Utilizing this Hamiltonian structure and extra conservation law densities we construct a first evolution…

Exactly Solvable and Integrable Systems · Physics 2015-06-12 Maxim V. Pavlov , Sergej A. Zykov

Inpainting based image compression approaches, especially linear and non-linear diffusion models, are an active research topic for lossy image compression. The major challenge in these compression models is to find a small set of…

Computer Vision and Pattern Recognition · Computer Science 2014-05-12 Yunjin Chen , René Ranftl , Thomas Pock

Deep learning-based methods have recently demonstrated promising results in deformable image registration for a wide range of medical image analysis tasks. However, existing deep learning-based methods are usually limited to small…

Image and Video Processing · Electrical Eng. & Systems 2020-07-01 Tony C. W. Mok , Albert C. S. Chung

It is an ill-posed problem to recover the true scene colors from a color biased image by discounting the effects of scene illuminant and camera spectral sensitivity (CSS) at the same time. Most color constancy (CC) models have been designed…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Shao-Bing Gao , Ming Zhang , Chao-Yi Li , Yong-Jie Li

Accurate 3D reconstruction of colored objects with structured light (SL) is hindered by lateral chromatic aberration (LCA) in optical components and uneven noise characteristics across RGB channels. This paper introduces lateral chromatic…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Wonbeen Oh , Jae-Sang Hyun

We study the Laplacian on family preserving metric graphs. These are graphs that have a certain symmetry that, as we show, allows for a decomposition into a direct sum of one-dimensional operators whose properties are explicitly related to…

Spectral Theory · Mathematics 2020-02-19 Jonathan Breuer , Netanel Levi

We present a novel approach of color transfer between images by exploring their high-level semantic information. First, we set up a database which consists of the collection of downloaded images from the internet, which are segmented…

Computer Vision and Pattern Recognition · Computer Science 2016-12-30 Asad Khan , Muhammad Ahmad , Yudong Guo , Ligang Liu
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