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There currently exist two main approaches to reproducing visual appearance using Machine Learning (ML): The first is training models that generalize over different instances of a problem, e.g., different images of a dataset. As one-shot…

图形学 · 计算机科学 2022-09-29 Michael Fischer , Tobias Ritschel

Super-resolution (SR), a classical inverse problem in computer vision, is inherently ill-posed, inducing a distribution of plausible solutions for every input. However, the desired result is not simply the expectation of this distribution,…

计算机视觉与模式识别 · 计算机科学 2025-04-28 Fengjia Zhang , Samrudhdhi B. Rangrej , Tristan Aumentado-Armstrong , Afsaneh Fazly , Alex Levinshtein

In the tasks of image aesthetic quality evaluation, it is difficult to reach both the high score area and low score area due to the normal distribution of aesthetic datasets. To reduce the error in labeling and solve the problem of normal…

计算机视觉与模式识别 · 计算机科学 2022-01-11 Xin Jin , Hao Lou , Huang Heng , Xiaodong Li , Shuai Cui , Xiaokun Zhang , Xiqiao Li

Most learning-based super-resolution (SR) methods aim to recover high-resolution (HR) image from a given low-resolution (LR) image via learning on LR-HR image pairs. The SR methods learned on synthetic data do not perform well in…

图像与视频处理 · 电气工程与系统科学 2020-01-09 Dong Gong , Wei Sun , Qinfeng Shi , Anton van den Hengel , Yanning Zhang

Blind Super-Resolution (SR) usually involves two sub-problems: 1) estimating the degradation of the given low-resolution (LR) image; 2) super-resolving the LR image to its high-resolution (HR) counterpart. Both problems are ill-posed due to…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Zhengxiong Luo , Yan Huang , Shang Li , Liang Wang , Tieniu Tan

Hyperspectral imaging (HSI) has become a key technology for non-invasive quality evaluation in various fields, offering detailed insights through spatial and spectral data. Despite its efficacy, the complexity and high cost of HSI systems…

图像与视频处理 · 电气工程与系统科学 2024-06-04 Md. Toukir Ahmed , Arthur Villordon , Mohammed Kamruzzaman

Underwater object detection suffers from low detection performance because the distance and wavelength dependent imaging process yield evident image quality degradations such as haze-like effects, low visibility, and color distortions.…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Chenping Fu , Xin Fan , Jiewen Xiao , Wanqi Yuan , Risheng Liu , Zhongxuan Luo

The default strategy for training single-view Large Reconstruction Models (LRMs) follows the fully supervised route using large-scale datasets of synthetic 3D assets or multi-view captures. Although these resources simplify the training…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Hanwen Jiang , Qixing Huang , Georgios Pavlakos

Objective measures of image quality generally operate by comparing pixels of a "degraded" image to those of the original. Relative to human observers, these measures are overly sensitive to resampling of texture regions (e.g., replacing one…

计算机视觉与模式识别 · 计算机科学 2021-01-25 Keyan Ding , Kede Ma , Shiqi Wang , Eero P. Simoncelli

To support the application scenarios where high-resolution (HR) images are urgently needed, various single image super-resolution (SISR) algorithms are developed. However, SISR is an ill-posed inverse problem, which may bring artifacts like…

图像与视频处理 · 电气工程与系统科学 2022-06-10 Zicheng Zhang , Wei Sun , Xiongkuo Min , Wenhan Zhu , Tao Wang , Wei Lu , Guangtao Zhai

Today, Multi-View Stereo techniques are able to reconstruct robust and detailed 3D models, especially when starting from high-resolution images. However, there are cases in which the resolution of input images is relatively low, for…

计算机视觉与模式识别 · 计算机科学 2021-07-29 Eugenio Lomurno , Andrea Romanoni , Matteo Matteucci

High dynamic range (HDR) imaging is an important task in image processing that aims to generate well-exposed images in scenes with varying illumination. Although existing multi-exposure fusion methods have achieved impressive results,…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Jun Xiao , Qian Ye , Tianshan Liu , Cong Zhang , Kin-Man Lam

Deep-learning metrics have recently demonstrated extremely good performance to match image patches for stereo reconstruction. However, training such metrics requires large amount of labeled stereo images, which can be difficult or costly to…

计算机视觉与模式识别 · 计算机科学 2016-12-06 Stepan Tulyakov , Anton Ivanov , Francois Fleuret

This work presents dense stereo reconstruction using high-resolution images for infrastructure inspections. The state-of-the-art stereo reconstruction methods, both learning and non-learning ones, consume too much computational resource on…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Yaoyu Hu , Weikun Zhen , Sebastian Scherer

Single-view 3D shape reconstruction is an important but challenging problem, mainly for two reasons. First, as shape annotation is very expensive to acquire, current methods rely on synthetic data, in which ground-truth 3D annotation is…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Pedro O. Pinheiro , Negar Rostamzadeh , Sungjin Ahn

Neural networks have shown great abilities in estimating depth from a single image. However, the inferred depth maps are well below one-megapixel resolution and often lack fine-grained details, which limits their practicality. Our method…

计算机视觉与模式识别 · 计算机科学 2021-05-31 S. Mahdi H. Miangoleh , Sebastian Dille , Long Mai , Sylvain Paris , Yağız Aksoy

Synchrotron-based X-ray computed tomography is widely used for investigating inner structures of specimens at high spatial resolutions. However, potential beam damage to samples often limits the X-ray exposure during tomography experiments.…

图像与视频处理 · 电气工程与系统科学 2020-09-30 Ziling Wu , Tekin Bicer , Zhengchun Liu , Vincent De Andrade , Yunhui Zhu , Ian T. Foster

High Dynamic Range (HDR) content is becoming ubiquitous due to the rapid development of capture technologies. Nevertheless, the dynamic range of common display devices is still limited, therefore tone mapping (TM) remains a key challenge…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Chao Wang , Bin Chen , Hans-Peter Seidel , Karol Myszkowski , Ana Serrano

The optical resolution of a digital camera is one of its most crucial parameters with broad relevance for consumer electronics, surveillance systems, remote sensing, or medical imaging. However, resolution is physically limited by the…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Thomas Köhler

3D image reconstruction from a set of X-ray projections is an important image reconstruction problem, with applications in medical imaging, industrial inspection and airport security. The innovation of X-ray emitter arrays allows for a…

医学物理 · 物理学 2016-11-23 Maria Klodt , Raphael Hauser