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Related papers: ForCenNet: Foreground-Centric Network for Document…

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Images play a vital role in understanding data through visual representation. It gives a clear representation of the object in context. But if this image is not clear it might not be of much use. Thus, the topic of Image Super Resolution…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Umashankar Kumaravelan , Nivedita M

Recognizing the layout of unstructured digital documents is crucial when parsing the documents into the structured, machine-readable format for downstream applications. Recent studies in Document Layout Analysis usually rely on computer…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Siwen Luo , Yihao Ding , Siqu Long , Josiah Poon , Soyeon Caren Han

In this work, we propose a new framework, called Document Image Transformer (DocTr), to address the issue of geometry and illumination distortion of the document images. Specifically, DocTr consists of a geometric unwarping transformer and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Hao Feng , Yuechen Wang , Wengang Zhou , Jiajun Deng , Houqiang Li

Document dewarping aims to rectify deformations in photographic document images, thus improving text readability, which has attracted much attention and made great progress, but it is still challenging to preserve document structures. Given…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Weiguang Zhang , Huangcheng Lu , Maizhen Ning , Xiaowei Huang , Wei Wang , Kaizhu Huang , Qiufeng Wang

Deformed document image rectification is essential for real-world document understanding tasks, such as layout analysis and text recognition. However, current multi-task methods -- such as background removal, 3D coordinate prediction, and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Heng Li , Xiangping Wu , Qingcai Chen

Functional magnetic resonance imaging techniques benefit from echo-planar imaging's fast image acquisition but are susceptible to inhomogeneities in the main magnetic field, resulting in geometric distortion and signal loss artifacts in the…

Image and Video Processing · Electrical Eng. & Systems 2024-03-01 Marina Manso Jimeno , Keren Bachi , George Gardner , Yasmin L. Hurd , John Thomas Vaughan , Sairam Geethanath

Precise Tooth Cone Beam Computed Tomography (CBCT) image segmentation is crucial for orthodontic treatment planning. In this paper, we propose FDNet, a Feature Decoupled Segmentation Network, to excel in the face of the variable dental…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Xiang Feng , Chengkai Wang , Chengyu Wu , Yunxiang Li , Yongbo He , Shuai Wang , Yaiqi Wang

The wide-angle lens shows appealing applications in VR technologies, but it introduces severe radial distortion into its captured image. To recover the realistic scene, previous works devote to rectifying the content of the wide-angle…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Kang Liao , Lang Nie , Chunyu Lin , Zishuo Zheng , Yao Zhao

We propose the first general framework to automatically correct different types of geometric distortion in a single input image. Our proposed method employs convolutional neural networks (CNNs) trained by using a large synthetic distortion…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Xiaoyu Li , Bo Zhang , Pedro V. Sander , Jing Liao

We propose a new paradigm to automatically generate training data with accurate labels at scale using the text-to-image synthesis frameworks (e.g., DALL-E, Stable Diffusion, etc.). The proposed approach1 decouples training data generation…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Yunhao Ge , Jiashu Xu , Brian Nlong Zhao , Neel Joshi , Laurent Itti , Vibhav Vineet

This paper introduces an unsupervised framework to extract semantically rich features for video representation. Inspired by how the human visual system groups objects based on motion cues, we propose a deep convolutional neural network that…

Computer Vision and Pattern Recognition · Computer Science 2017-07-18 Xunyu Lin , Victor Campos , Xavier Giro-i-Nieto , Jordi Torres , Cristian Canton Ferrer

We propose a high-performance fully convolutional neural network (FCN) for historical document segmentation that is designed to process a single page in one step. The advantage of this model beside its speed is its ability to directly learn…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Christoph Wick , Frank Puppe

With the ongoing popularization of online services, the digital document images have been used in various applications. Meanwhile, there have emerged some deep learning-based text editing algorithms which alter the textual information of an…

Multimedia · Computer Science 2021-09-13 Lin Zhao , Changsheng Chen , Jiwu Huang

With the goal of recovering high-quality image content from its degraded version, image restoration enjoys numerous applications, such as in surveillance, computational photography, medical imaging, and remote sensing. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Syed Waqas Zamir , Aditya Arora , Salman Khan , Munawar Hayat , Fahad Shahbaz Khan , Ming-Hsuan Yang , Ling Shao

A new method is proposed for removing text from natural images. The challenge is to first accurately localize text on the stroke-level and then replace it with a visually plausible background. Unlike previous methods that require image…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Shuaitao Zhang , Yuliang Liu , Lianwen Jin , Yaoxiong Huang , Songxuan Lai

Rectifying the orientation of images represents a daily task for every photographer. This task may be complicated even for the human eye, especially when the horizon or other horizontal and vertical lines in the image are missing. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Ionut Mironica , Andrei Zugravu

When digitizing a document into an image, it is common to include a surrounding border region to visually indicate that the entire document is present in the image. However, this border should be removed prior to automated processing. In…

Computer Vision and Pattern Recognition · Computer Science 2017-09-07 Chris Tensmeyer , Brian Davis , Curtis Wigington , Iain Lee , Bill Barrett

Segmenting primary objects in a video is an important yet challenging problem in computer vision, as it exhibits various levels of foreground/background ambiguities. To reduce such ambiguities, we propose a novel formulation via exploiting…

Computer Vision and Pattern Recognition · Computer Science 2018-11-26 Jia Li , Junjie Wu , Anlin Zheng , Yafei Song , Yu Zhang , Xiaowu Chen

Exposure correction aims to enhance images suffering from improper exposure to achieve satisfactory visual effects. Despite recent progress, existing methods generally mitigate either overexposure or underexposure in input images, and they…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Jin Liu , Huiyuan Fu , Chuanming Wang , Huadong Ma

Creating fake images and videos such as "Deepfake" has become much easier these days due to the advancement in Generative Adversarial Networks (GANs). Moreover, recent research such as the few-shot learning can create highly realistic…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Hyeonseong Jeon , Youngoh Bang , Simon S. Woo