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Related papers: Denoising and Segmentation of Epigraphical Scripts

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In machine learning approach to image denoising a network is trained to recover a clean image from a noisy one. In this paper a novel structure is proposed based on training multiple specialized networks as opposed to existing structures…

Image and Video Processing · Electrical Eng. & Systems 2020-12-01 Seyed Mohsen Hosseini

This paper presents a comprehensive evaluation framework for image segmentation algorithms, encompassing naive methods, machine learning approaches, and deep learning techniques. We begin by introducing the fundamental concepts and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Tatiana Merkulova , Bharani Jayakumar

Binarization of digital documents is the task of classifying each pixel in an image of the document as belonging to the background (parchment/paper) or foreground (text/ink). Historical documents are often subjected to degradations, that…

Machine Learning · Statistics 2018-05-18 Kalyan Ram Ayyalasomayajula , Filip Malmberg , Anders Brun

With the advent of sophisticated cameras, the urge to capture high-quality images has grown enormous. However, the noise contamination of the images results in substandard expectations among the people; thus, image denoising is an essential…

Image and Video Processing · Electrical Eng. & Systems 2024-07-19 Kelum Gajamannage , Yonggi Park , S. M. Mallikarjunaiah , Sunil Mathur

Handwriting Recognition enables a person to scribble something on a piece of paper and then convert it into text. If we look into the practical reality there are enumerable styles in which a character may be written. These styles can be…

Computer Vision and Pattern Recognition · Computer Science 2010-04-20 Rahul Kala , Harsh Vazirani , Anupam Shukla , Ritu Tiwari

Air-writing refers to virtually writing linguistic characters through hand gestures in three-dimensional space with six degrees of freedom. This paper proposes a generic video camera-aided convolutional neural network (CNN) based…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Prasun Roy , Subhankar Ghosh , Umapada Pal

Optical Character Recognition (OCR) is the process of extracting digitized text from images of scanned documents. While OCR systems have already matured in many languages, they still have shortcomings in cursive languages with overlapping…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Hussein Osman , Karim Zaghw , Mostafa Hazem , Seifeldin Elsehely

Both performance and efficiency are important to semantic segmentation. State-of-the-art semantic segmentation algorithms are mostly based on dilated Fully Convolutional Networks (dilatedFCN), which adopt dilated convolutions in the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-28 Jianbo Liu , Junjun He , Jiawei Zhang , Jimmy S. Ren , Hongsheng Li

This paper presents a method based on a kernel dictionary learning algorithm for segmenting brain tumor regions in magnetic resonance images (MRI). A set of first-order and second-order statistical feature vectors are extracted from patches…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Seyedeh Mahya Mousavi , Mohammad Mostafavi

For complex segmentation tasks, fully automatic systems are inherently limited in their achievable accuracy for extracting relevant objects. Especially in cases where only few data sets need to be processed for a highly accurate result,…

Computer Vision and Pattern Recognition · Computer Science 2017-09-12 Mario Amrehn , Sven Gaube , Mathias Unberath , Frank Schebesch , Tim Horz , Maddalena Strumia , Stefan Steidl , Markus Kowarschik , Andreas Maier

This review presents various image segmentation methods using complex networks. Image segmentation is one of the important steps in image analysis as it helps analyze and understand complex images. At first, it has been tried to classify…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Amin Rezaei , Fatemeh Asadi

We propose a novel model for decomposing grayscale images into three distinct components: the structural part, representing sharp boundaries and regions with strong light-to-dark transitions; the smooth part, capturing soft shadows and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Roy Y. He , Hao Liu

Semantic segmentation is the pixel-wise labelling of an image. Since the problem is defined at the pixel level, determining image class labels only is not acceptable, but localising them at the original image pixel resolution is necessary.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Irem Ulku , Erdem Akagunduz

Semantic segmentation has been a major topic in research and industry in recent years. However, due to the computation complexity of pixel-wise prediction and backpropagation algorithm, semantic segmentation has been demanding in…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Jiayi Yang , Lei Deng , Yukuan Yang , Yuan Xie , Guoqi Li

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,…

Computer Vision and Pattern Recognition · Computer Science 2017-02-21 Lovedeep Gondara

Many image segmentation techniques have been developed over the past two decades for segmenting the images, which help for object recognition, occlusion boundary estimation within motion or stereo systems, image compression, image editing.…

Computer Vision and Pattern Recognition · Computer Science 2014-06-03 Shradha Dakhare , Harshal Chowhan , Manoj B. Chandak

Panoramic segmentation is a scene where image segmentation tasks is more difficult. With the development of CNN networks, panoramic segmentation tasks have been sufficiently developed.However, the current panoramic segmentation algorithms…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Jiahong Wu , Jianfei Lu , Xinxin Kang , Yiming Zhang , Yinhang Tang , Jianfei Song , Ze Huang , Shenglan Ben , Jiashui Huang , Faen Zhang

Deep neural network-based semantic segmentation generally requires large-scale cost extensive annotations for training to obtain better performance. To avoid pixel-wise segmentation annotations which are needed for most methods, recently…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Longlong Jing , Yucheng Chen , Yingli Tian

We propose a novel semantic segmentation algorithm by learning a deconvolution network. We learn the network on top of the convolutional layers adopted from VGG 16-layer net. The deconvolution network is composed of deconvolution and…

Computer Vision and Pattern Recognition · Computer Science 2015-05-19 Hyeonwoo Noh , Seunghoon Hong , Bohyung Han

Writer identification based on a small amount of text is a challenging problem. In this paper, we propose a new benchmark study for writer identification based on word or text block images which approximately contain one word. In order to…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Sheng He , Lambert Schomaker