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The estimation of the optical properties of a material from RGB-images is an important but extremely ill-posed problem in Computer Graphics. While recent works have successfully approached this problem even from just a single photograph,…

计算机视觉与模式识别 · 计算机科学 2018-11-26 Raquel Vidaurre , Dan Casas , Elena Garces , Jorge Lopez-Moreno

Diffusion Probabilistic Models (DPMs) have recently been employed for image deblurring, formulated as an image-conditioned generation process that maps Gaussian noise to the high-quality image, conditioned on the blurry input.…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Mengwei Ren , Mauricio Delbracio , Hossein Talebi , Guido Gerig , Peyman Milanfar

Diffusion models have become a central tool in deep generative modeling, but standard formulations rely on a single network and a single diffusion schedule to transform a simple prior, typically a standard normal distribution, into the…

机器学习 · 统计学 2025-12-29 Takuro Kutsuna

The dual-pixel (DP) hardware works by splitting each pixel in half and creating an image pair in a single snapshot. Several works estimate depth/inverse depth by treating the DP pair as a stereo pair. However, dual-pixel disparity only…

计算机视觉与模式识别 · 计算机科学 2020-12-02 Liyuan Pan , Shah Chowdhury , Richard Hartley , Miaomiao Liu , Hongguang Zhang , Hongdong Li

While burst LR images are useful for improving the SR image quality compared with a single LR image, prior SR networks accepting the burst LR images are trained in a deterministic manner, which is known to produce a blurry SR image. In…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Kyotaro Tokoro , Kazutoshi Akita , Norimichi Ukita

Estimating depth from a single RGB image is an ill-posed and inherently ambiguous problem. State-of-the-art deep learning methods can now estimate accurate 2D depth maps, but when the maps are projected into 3D, they lack local detail and…

计算机视觉与模式识别 · 计算机科学 2017-12-05 Jun Li , Reinhard Klein , Angela Yao

Phase-Based Ranging (PBR) offers several advantages for estimating distances between wirelessly connected devices, including high accuracy over large distances and the removal of the need for antenna arrays at each transceiver. This study…

信号处理 · 电气工程与系统科学 2025-11-26 Pantelis Stefanakis , Ming Shen

Diffusion models have recently set new benchmarks in Speech Enhancement (SE). However, most existing score-based models treat speech spectrograms merely as generic 2D images, applying uniform processing that ignores the intrinsic structural…

声音 · 计算机科学 2026-02-03 Ke Xue , Rongfei Fan , Kai Li , Shanping Yu , Puning Zhao , Jianping An

While deep learning methods have achieved impressive success in many vision benchmarks, it remains difficult to understand and explain the representations and decisions of these models. Though vision models are typically trained on 2D…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Benjamin Beilharz , Thomas S. A. Wallis

Physics-based differentiable rendering (PBDR) has become an efficient method in computer vision, graphics, and machine learning for addressing an array of inverse problems. PBDR allows patterns to be generated from perceptions which can be…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Preetish Kakkar , Srijani Mukherjee , Hariharan Ragothaman , Vishal Mehta

We consider the problem of generating periodic materials with deep models. While symmetry-aware molecule generation has been studied extensively, periodic materials possess different symmetries, which have not been completely captured by…

机器学习 · 计算机科学 2023-11-07 Youzhi Luo , Chengkai Liu , Shuiwang Ji

This paper proposes a probabilistic deep metric learning (PDML) framework for hyperspectral image classification, which aims to predict the category of each pixel for an image captured by hyperspectral sensors. The core problem for…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Chengkun Wang , Wenzhao Zheng , Xian Sun , Jiwen Lu , Jie Zhou

Current deep learning approaches in computer vision primarily focus on RGB data sacrificing information. In contrast, RAW images offer richer representation, which is crucial for precise recognition, particularly in challenging conditions…

计算机视觉与模式识别 · 计算机科学 2024-11-21 Christoph Reinders , Radu Berdan , Beril Besbinar , Junji Otsuka , Daisuke Iso

Creating photorealistic materials for 3D rendering requires exceptional artistic skill. Generative models for materials could help, but are currently limited by the lack of high-quality training data. While recent video generative models…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Bowen Xue , Saeed Hadadan , Zheng Zeng , Fabrice Rousselle , Zahra Montazeri , Milos Hasan

Diffusion probabilistic models (DPMs) have exhibited significant effectiveness in computer vision tasks, particularly in image generation. However, their notable performance heavily relies on labelled datasets, which limits their…

计算机视觉与模式识别 · 计算机科学 2024-05-09 Keqiang Fan , Xiaohao Cai , Mahesan Niranjan

Dual-energy X-ray Computed Tomography (DECT) constitutes an advanced technology which enables automatic decomposition of materials in clinical images without manual segmentation using the dependency of the X-ray linear attenuation with…

图像与视频处理 · 电气工程与系统科学 2025-07-25 Hang Xu , Alexandre Bousse , Alessandro Perelli

This work introduces RGBX-DiffusionDet, an object detection framework extending the DiffusionDet model to fuse the heterogeneous 2D data (X) with RGB imagery via an adaptive multimodal encoder. To enable cross-modal interaction, we design…

计算机视觉与模式识别 · 计算机科学 2026-01-05 Eliraz Orfaig , Inna Stainvas , Igal Bilik

Synthesizing extrapolated views remains a difficult task, especially in urban driving scenes, where the only reliable sources of data are limited RGB captures and sparse LiDAR points. To address this problem, we present PointmapDiff, a…

RGB-D scene parsing methods effectively capture both semantic and geometric features of the environment, demonstrating great potential under challenging conditions such as extreme weather and low lighting. However, existing RGB-D scene…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Jianxin Huang , Jiahang Li , Sergey Vityazev , Alexander Dvorkovich , Rui Fan

Ray tracing algorithms, that can simulate multipath radio propagation in presence of geometric obstacles such as buildings, objects or vehicles, are becoming quite popular, due to the increasing availability of digital environment databases…

信号处理 · 电气工程与系统科学 2023-06-14 Denis Bilibashi , Enrico M. Vitucci , Vittorio Degli-Esposti