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相关论文: Deep Unrestricted Document Image Rectification

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Depth enhancement, which converts raw dToF signals into dense depth maps using RGB guidance, is crucial for improving depth perception in high-precision tasks such as 3D reconstruction and SLAM. However, existing methods often assume ideal…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Jijun Xiang , Longliang Liu , Xuan Zhu , Xianqi Wang , Min Lin , Xin Yang

Text-image composed retrieval aims to retrieve the target image through the composed query, which is specified in the form of an image plus some text that describes desired modifications to the input image. It has recently attracted…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Shitong Sun , Jindong Gu , Shaogang Gong

The advent of Multimodal Large Language Models (MLLMs) has unlocked the potential for end-to-end document parsing and translation. However, prevailing benchmarks such as OmniDocBench and DITrans are dominated by pristine scanned or…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Yongkun Du , Pinxuan Chen , Xuye Ying , Zhineng Chen

Book image rectification presents unique challenges in document image processing due to complex geometric distortions from binding constraints, where left and right pages exhibit distinctly asymmetric curvature patterns. However, existing…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Shaokai Liu , Hao Feng , Bozhi Luan , Min Hou , Jiajun Deng , Wengang Zhou

With the rise of large, publicly-available text-to-image diffusion models, text-guided real image editing has garnered much research attention recently. Existing methods tend to either rely on some form of per-instance or per-task…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Adham Elarabawy , Harish Kamath , Samuel Denton

Deep Learning in Image Registration (DLIR) methods have been tremendously successful in image registration due to their speed and ability to incorporate weak label supervision at training time. However, existing DLIR methods forego many of…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Rohit Jena , Pratik Chaudhari , James C. Gee

Deep learning-based methods have made impressive progress in enhancing extremely low-light images - the image quality of the reconstructed images has generally improved. However, we found out that most of these methods could not…

图像与视频处理 · 电气工程与系统科学 2022-04-05 Pohao Hsu , Che-Tsung Lin , Chun Chet Ng , Jie-Long Kew , Mei Yih Tan , Shang-Hong Lai , Chee Seng Chan , Christopher Zach

Due to the difficulty in acquiring massive task-specific occluded images, the classification of occluded images with deep convolutional neural networks (CNNs) remains highly challenging. To alleviate the dependency on large-scale occluded…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Feng Cen , Xiaoyu Zhao , Wuzhuang Li , Guanghui Wang

Convolutional Neural Network is good at image classification. However, it is found to be vulnerable to image quality degradation. Even a small amount of distortion such as noise or blur can severely hamper the performance of these CNN…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Md Tahmid Hossain , Shyh Wei Teng , Dengsheng Zhang , Suryani Lim , Guojun Lu

Image restoration is a classic low-level problem aimed at recovering high-quality images from low-quality images with various degradations such as blur, noise, rain, haze, etc. However, due to the inherent complexity and non-uniqueness of…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Yuhong Zhang , Hengsheng Zhang , Xinning Chai , Zhengxue Cheng , Rong Xie , Li Song , Wenjun Zhang

Image compression is one of the essential methods of image processing. Its most prominent advantage is the significant reduction of image size allowing for more efficient storage and transfer. However, lossy compression is associated with…

图像与视频处理 · 电气工程与系统科学 2021-05-25 Patryk Najgebauer , Rafal Scherer , Leszek Rutkowski

Diffusion models have emerged as the leading approach for text-to-image generation. However, their iterative sampling process, which gradually morphs random noise into coherent images, introduces significant latency that limits their…

计算机视觉与模式识别 · 计算机科学 2026-02-16 Peijie Qiu , Hariharan Ramshankar , Arnau Ramisa , René Vidal , Amit Kumar K C , Vamsi Salaka , Rahul Bhagat

Recent RGB-guided depth super-resolution methods have achieved impressive performance under the assumption of fixed and known degradation (e.g., bicubic downsampling). However, in real-world scenarios, captured depth data often suffer from…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Zhengxue Wang , Zhiqiang Yan , Jinshan Pan , Guangwei Gao , Kai Zhang , Jian Yang

Deep learning (DL) algorithms have shown significant performance in various computer vision tasks. However, having limited labelled data lead to a network overfitting problem, where network performance is bad on unseen data as compared to…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Teerath Kumar , Alessandra Mileo , Rob Brennan , Malika Bendechache

This paper proposes a non-data-driven deep neural network for spectral image recovery problems such as denoising, single hyperspectral image super-resolution, and compressive spectral imaging reconstruction. Unlike previous methods, the…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Tatiana Gelvez-Barrera , Jorge Bacca , Henry Arguello

Recent advances in deep learning have led to superhuman performance across a variety of applications. Recently, these methods have been successfully employed to improve the rate-distortion performance in the task of image compression.…

图像与视频处理 · 电气工程与系统科学 2022-02-01 Ankur Mali , Alexander Ororbia , Daniel Kifer , Lee Giles

Video super-resolution (VSR) aims to reconstruct a sequence of high-resolution (HR) images from their corresponding low-resolution (LR) versions. Traditionally, solving a VSR problem has been based on iterative algorithms that can exploit…

图像与视频处理 · 电气工程与系统科学 2021-02-24 Benjamin Naoto Chiche , Arnaud Woiselle , Joana Frontera-Pons , Jean-Luc Starck

Image distortion classification and detection is an important task in many applications. For example when compressing images, if we know the exact location of the distortion, then it is possible to re-compress images by adjusting the local…

计算机视觉与模式识别 · 计算机科学 2018-05-29 Namhyuk Ahn , Byungkon Kang , Kyung-Ah Sohn

Automatic font generation without human experts is a practical and significant problem, especially for some languages that consist of a large number of characters. Existing methods for font generation are often in supervised learning. They…

计算机视觉与模式识别 · 计算机科学 2023-01-02 Xinyuan Chen , Yangchen Xie , Li Sun , Yue Lu

Image restoration is very crucial computer vision task. This paper describes two novel methods for the restoration of old degraded handwritten documents using deep neural network. In addition to that, a small-scale dataset of 26 heritage…

计算机视觉与模式识别 · 计算机科学 2020-01-27 Mayank Wadhwani , Debapriya Kundu , Deepayan Chakraborty , Bhabatosh Chanda