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Building on recent advances in image generation, we present a fully data-driven approach to rendering markup into images. The approach is based on diffusion models, which parameterize the distribution of data using a sequence of denoising…

机器学习 · 计算机科学 2022-10-12 Yuntian Deng , Noriyuki Kojima , Alexander M. Rush

Real-world imaging systems acquire measurements that are degraded by noise, optical aberrations, and other imperfections that make image processing for human viewing and higher-level perception tasks challenging. Conventional cameras…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Steven Diamond , Vincent Sitzmann , Frank Julca-Aguilar , Stephen Boyd , Gordon Wetzstein , Felix Heide

This paper describes a simple image noise removal method which combines a preprocessing step with the Yaroslavsky filter for strong numerical, visual, and theoretical performance on a broad class of images. The framework developed is a…

计算机视觉与模式识别 · 计算机科学 2015-03-20 Joseph Salmon , Rebecca Willett , Ery Arias-Castro

Currently, many blind deblurring methods assume blurred images are noise-free and perform unsatisfactorily on the blurry images with noise. Unfortunately, noise is quite common in real scenes. A straightforward solution is to denoise images…

计算机视觉与模式识别 · 计算机科学 2020-01-28 Si Miao , Yongxin Zhu

Lack of training data presents a grand challenge to scaling out spoken language understanding (SLU) to low-resource languages. Although various data augmentation approaches have been proposed to synthesize training data in low-resource…

计算与语言 · 计算机科学 2021-09-06 Yingmei Guo , Linjun Shou , Jian Pei , Ming Gong , Mingxing Xu , Zhiyong Wu , Daxin Jiang

Denoising is a fundamental challenge in scientific imaging. Deep convolutional neural networks (CNNs) provide the current state of the art in denoising natural images, where they produce impressive results. However, their potential has…

Automatic text summarization aims to produce a brief but crucial summary for the input documents. Both extractive and abstractive methods have witnessed great success in English datasets in recent years. However, there has been a minimal…

计算与语言 · 计算机科学 2021-10-22 Danqing Wang , Jiaze Chen , Xianze Wu , Hao Zhou , Lei Li

Image denoising can be described as the problem of mapping from a noisy image to a noise-free image. The best currently available denoising methods approximate this mapping with cleverly engineered algorithms. In this work we attempt to…

计算机视觉与模式识别 · 计算机科学 2012-11-12 Harold Christopher Burger , Christian J. Schuler , Stefan Harmeling

A large fraction of textual data available today contains various types of 'noise', such as OCR noise in digitized documents, noise due to informal writing style of users on microblogging sites, and so on. To enable tasks such as…

信息检索 · 计算机科学 2021-01-12 Anurag Roy , Shalmoli Ghosh , Kripabandhu Ghosh , Saptarshi Ghosh

Many self-supervised denoising approaches have been proposed in recent years. However, these methods tend to overly smooth images, resulting in the loss of fine structures that are essential for medical applications. In this paper, we…

图像与视频处理 · 电气工程与系统科学 2025-04-02 Basar Demir , Yikang Liu , Xiao Chen , Eric Z. Chen , Lin Zhao , Boris Mailhe , Terrence Chen , Shanhui Sun

Embedding image features into a binary Hamming space can improve both the speed and accuracy of large-scale query-by-example image retrieval systems. Supervised hashing aims to map the original features to compact binary codes in a manner…

机器学习 · 计算机科学 2016-11-17 Guosheng Lin , Chunhua Shen , Anton van den Hengel

Computation of document image quality metrics often depends upon the availability of a ground truth image corresponding to the document. This limits the applicability of quality metrics in applications such as hyperparameter optimization of…

计算机视觉与模式识别 · 计算机科学 2018-07-10 Prashant Singh , Ekta Vats , Anders Hast

Image denoising methods must effectively model, implicitly or explicitly, the vast diversity of patterns and textures that occur in natural images. This is challenging, even for modern methods that leverage deep neural networks trained to…

计算机视觉与模式识别 · 计算机科学 2019-12-11 Zhihao Xia , Ayan Chakrabarti

Image denoising is an important pre-processing step in medical image analysis. Different algorithms have been proposed in past three decades with varying denoising performances. More recently, having outperformed all conventional methods,…

计算机视觉与模式识别 · 计算机科学 2017-02-21 Lovedeep Gondara

In this paper, we propose a novel image denoising algorithm exploiting features from both spatial as well as transformed domain. We implement intensity-invariance based improved grouping for collaborative support-agnostic sparse…

计算机视觉与模式识别 · 计算机科学 2018-05-03 Muzammil Behzad

We propose MoNoise: a normalization model focused on generalizability and efficiency, it aims at being easily reusable and adaptable. Normalization is the task of translating texts from a non- canonical domain to a more canonical domain, in…

计算与语言 · 计算机科学 2017-10-11 Rob van der Goot , Gertjan van Noord

Automatic document content processing is affected by artifacts caused by the shape of the paper, non-uniform and diverse color of lighting conditions. Fully-supervised methods on real data are impossible due to the large amount of data…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Sagnik Das , Hassan Ahmed Sial , Ke Ma , Ramon Baldrich , Maria Vanrell , Dimitris Samaras

Gaussian smoothing combined with a probabilistic framework for denoising via the empirical Bayes formalism, i.e., the Tweedie-Miyasawa formula (TMF), are the two key ingredients in the success of score-based generative models in Euclidean…

机器学习 · 统计学 2025-02-04 Francis Bach , Saeed Saremi

Image denoising is a typical ill-posed problem due to complex degradation. Leading methods based on normalizing flows have tried to solve this problem with an invertible transformation instead of a deterministic mapping. However, the…

计算机视觉与模式识别 · 计算机科学 2023-02-01 Wenchao Du , Hu Chen , Yi Zhang , H. Yang

Image denoising has achieved unprecedented progress as great efforts have been made to exploit effective deep denoisers. To improve the denoising performance in realworld, two typical solutions are used in recent trends: devising better…

图像与视频处理 · 电气工程与系统科学 2022-04-06 Yunhao Zou , Ying Fu