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Latent flow matching for image generation usually transports Gaussian noise to variational autoencoder latents along linear paths. Both endpoints, however, concentrate in thin spherical shells, and a Euclidean chord leaves those shells even…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Tuna Han Salih Meral , Kaan Oktay , Hidir Yesiltepe , Adil Kaan Akan , Pinar Yanardag

Localization is a key challenge in many robotics applications. In this work we explore LIDAR-based global localization in both urban and natural environments and develop a method suitable for online application. Our approach leverages…

Robotics · Computer Science 2023-02-01 Georgi Tinchev , Adrian Penate-Sanchez , Maurice Fallon

This paper presents ThinkDiff, a novel alignment paradigm that empowers text-to-image diffusion models with multimodal in-context understanding and reasoning capabilities by integrating the strengths of vision-language models (VLMs).…

Machine Learning · Computer Science 2025-02-18 Zhenxing Mi , Kuan-Chieh Wang , Guocheng Qian , Hanrong Ye , Runtao Liu , Sergey Tulyakov , Kfir Aberman , Dan Xu

Comparing images captured by disparate sensors is a common challenge in remote sensing. This requires image translation -- converting imagery from one sensor domain to another while preserving the original content. Denoising Diffusion…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 João Gabriel Vinholi , Marco Chini , Anis Amziane , Renato Machado , Danilo Silva , Patrick Matgen

Diffusion-based generative models have shown promise in synthesizing histopathology images to address data scarcity caused by privacy constraints. Diagnostic text reports provide high-level semantic descriptions, and masks offer…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Mahesh Bhosale , Abdul Wasi , Yuanhao Zhai , Yunjie Tian , Samuel Border , Nan Xi , Pinaki Sarder , Junsong Yuan , David Doermann , Xuan Gong

Spatial confounding between the spatial random effects and fixed effects covariates has been recently discovered and showed that it may bring misleading interpretation to the model results. Solutions to alleviate this problem are based on…

Methodology · Statistics 2016-05-17 Marcos O. Prates , Erica C. Rodrigues , Renato M. Assunção

Source localization is the inverse problem of graph information dissemination and has broad practical applications. However, the inherent intricacy and uncertainty in information dissemination pose significant challenges, and the ill-posed…

Machine Learning · Computer Science 2023-04-19 Bosong Huang , Weihao Yu , Ruzhong Xie , Jing Xiao , Jin Huang

Change detection in remote sensing imagery is a critical technique for Earth observation, primarily focusing on pixel-level segmentation of change regions between bi-temporal images. The essence of pixel-level change detection lies in…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Sijun Dong , Fangcheng Zuo , Geng Chen , Siming Fu , Xiaoliang Meng

Generative models have advanced significantly in realistic image synthesis, with diffusion models excelling in quality and stability. Recent multi-view diffusion models improve 3D-aware street view generation, but they struggle to produce…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Ji Li , Zhiwei Li , Shihao Li , Zhenjiang Yu , Boyang Wang , Haiou Liu

Localization is one of the core parts of modern robotics. Classic localization methods typically follow the retrieve-then-register paradigm, achieving remarkable success. Recently, the emergence of end-to-end localization approaches has…

Robotics · Computer Science 2025-03-17 Ziyue Wang , Chenghao Shi , Neng Wang , Qinghua Yu , Xieyuanli Chen , Huimin Lu

The generation and enhancement of satellite imagery are critical in remote sensing, requiring high-quality, detailed images for accurate analysis. This research introduces a two-stage diffusion model methodology for synthesizing…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Ahmad Sebaq , Mohamed ElHelw

Visual place recognition is essential for vision-based robot localization and SLAM. Despite the tremendous progress made in recent years, place recognition in changing environments remains challenging. A promising approach to cope with…

Robotics · Computer Science 2023-04-17 Reihaneh Mirjalili , Michael Krawez , Wolfram Burgard

The current state of the research in landmark recognition highlights the good accuracy which can be achieved by embedding techniques, such as Fisher vector and VLAD. All these techniques do not exploit spatial information, i.e. consider all…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Federico Magliani , Navid Mahmoudian Bidgoli , Andrea Prati

Multi-view image compression plays a critical role in 3D-related applications. Existing methods adopt a predictive coding architecture, which requires joint encoding to compress the corresponding disparity as well as residual information.…

Image and Video Processing · Electrical Eng. & Systems 2023-04-13 Xinjie Zhang , Jiawei Shao , Jun Zhang

Localization has been a challenging task for autonomous navigation. A loop detection algorithm must overcome environmental changes for the place recognition and re-localization of robots. Therefore, deep learning has been extensively…

Robotics · Computer Science 2023-04-19 Alex Junho Lee , Seungwon Song , Hyungtae Lim , Woojoo Lee , Hyun Myung

Pansharpening seeks to fuse high-resolution panchromatic (PAN) and low-resolution multispectral (LRMS) images into a single image with both fine spatial and rich spectral detail. Despite progress in deep learning-based approaches, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Hancong Jin , Zihan Cao , Liang-jian Deng , Jingjing Li

We consider the localization problem of multiple wideband sources in a multi-path environment by coherently taking into account the attenuation characteristics and the time delays in the reception of the signal. Our proposed method leaves…

Networking and Internet Architecture · Computer Science 2015-05-27 Hamidreza Aghasi , Hamidreza Amindavar , Alireza Aghasi

Seismic imaging from sparsely acquired data faces challenges such as low image quality, discontinuities, and migration swing artifacts. Existing convolutional neural network (CNN)-based methods struggle with complex feature distributions…

Geophysics · Physics 2024-08-01 Xingchen Shi , Shijun Cheng , Weijian Mao , Wei Ouyang

Diffusion models have exhibited remarkable capabilities in text-to-image generation. However, their performance in image-to-text generation, specifically image captioning, has lagged behind Auto-Regressive (AR) models, casting doubt on…

Artificial Intelligence · Computer Science 2024-04-17 Yuchi Wang , Shuhuai Ren , Rundong Gao , Linli Yao , Qingyan Guo , Kaikai An , Jianhong Bai , Xu Sun

Synthesizing face images from monochrome sketches is one of the most fundamental tasks in the field of image-to-image translation. However, it is still challenging to (1)~make models learn the high-dimensional face features such as geometry…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Yichen Peng , Chunqi Zhao , Haoran Xie , Tsukasa Fukusato , Kazunori Miyata