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Deep learning (DL) techniques have shown unprecedented success when applied to images, waveforms, and text. Generally, when the sample size ($N$) is much bigger than the number of features ($d$), DL often outperforms other machine learning…

Computer Vision and Pattern Recognition · Computer Science 2018-06-26 Thanh Hai Nguyen , Edi Prifti , Yann Chevaleyre , Nataliya Sokolovska , Jean-Daniel Zucker

Handwritten digit recognition remains a fundamental challenge in computer vision, with applications ranging from postal code reading to document digitization. This paper presents an ensemble-based approach that combines Convolutional Neural…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Syed Sajid Ullah , Li Gang , Mudassir Riaz , Ahsan Ashfaq , Salman Khan , Sajawal Khan

Text independent writer identification is a challenging problem that differentiates between different handwriting styles to decide the author of the handwritten text. Earlier writer identification relied on handcrafted features to reveal…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Abhishek Srivastava , Sukalpa Chanda , Umapada Pal

In this paper, we introduce a novel deep-learning method to align cross-spectral images. Our approach relies on a learned descriptor which is invariant to different spectra. Multi-modal images of the same scene capture different signals and…

Computer Vision and Pattern Recognition · Computer Science 2021-10-06 Nati Ofir , Shai Silberstein , Hila Levi , Dani Rozenbaum , Yosi Keller , Sharon Duvdevani Bar

Deepfakes are computationally-created entities that falsely represent reality. They can take image, video, and audio modalities, and pose a threat to many areas of systems and societies, comprising a topic of interest to various aspects of…

Human-Computer Interaction · Computer Science 2023-05-26 Sergi D. Bray , Shane D. Johnson , Bennett Kleinberg

We present a ghost handwritten digit recognition method for the unknown handwritten digits based on ghost imaging (GI) with deep neural network, where a few detection signals from the bucket detector, generated by the Cosine Transform…

Image and Video Processing · Electrical Eng. & Systems 2021-04-21 Xing He , Shengmei Zhao , Le Wang

The contributions in this article are two-fold. First, we introduce a new hand-written digit data set that we collected. It contains high-resolution images of hand-written The contributions in this article are two-fold. First, we introduce…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Cédric Beaulac , Jeffrey S. Rosenthal

Ambigrams are calligraphic designs that have different meanings depending on the viewing orientation. Creating ambigrams is a challenging task even for skilled artists, as it requires maintaining the meaning under two different viewpoints…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Boheng Zhao , Rana Hanocka , Raymond A. Yeh

Image inpainting techniques have shown promising improvement with the assistance of generative adversarial networks (GANs) recently. However, most of them often suffered from completed results with unreasonable structure or blurriness. To…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Zheng Hui , Jie Li , Xiumei Wang , Xinbo Gao

Due to the sparsity of features, noise has proven to be a great inhibitor in the classification of handwritten characters. To combat this, most techniques perform denoising of the data before classification. In this paper, we consolidate…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Qun Liu , Edward Collier , Supratik Mukhopadhyay

Robot calligraphy is an emerging exploration of artificial intelligence in the fields of art and education. Traditional calligraphy generation researches mainly focus on methods such as tool-based image processing, generative models, and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Xiaoming Wang , Zhiguo Gong

Recently, great success has been achieved in offline handwritten Chinese character recognition by using deep learning methods. Chinese characters are mainly logographic and consist of basic radicals, however, previous research mostly…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Wenchao Wang , Jianshu Zhang , Jun Du , Zi-Rui Wang , Yixing Zhu

Classical and some deep learning techniques for Arabic text classification often depend on complex morphological analysis, word segmentation, and hand-crafted feature engineering. These could be eliminated by using character-level features.…

Computation and Language · Computer Science 2020-06-23 Mahmoud Daif , Shunsuke Kitada , Hitoshi Iyatomi

Serial crystallography is the field of science that studies the structure and properties of crystals via diffraction patterns. In this paper, we introduce a new serial crystallography dataset comprised of real and synthetic images; the…

The accelerated growth in synthetic visual media generation and manipulation has now reached the point of raising significant concerns and posing enormous intimidations towards society. There is an imperative need for automatic detection…

Computer Vision and Pattern Recognition · Computer Science 2022-09-28 Ying Xu , Sule Yildirim Yayilgan

This paper introduces SAGHOG, a self-supervised pretraining strategy for writer retrieval using HOG features of the binarized input image. Our preprocessing involves the application of the Segment Anything technique to extract handwriting…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Marco Peer , Florian Kleber , Robert Sablatnig

Handwritten character recognition (HCR) remains a challenging pattern recognition problem despite decades of research, and lacks research on script independent recognition techniques. {\color{black}This is mainly because of similar…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Vinod Kumar Chauhan , Sukhdeep Singh , Anuj Sharma

This paper presents DeepFLASH, a novel network with efficient training and inference for learning-based medical image registration. In contrast to existing approaches that learn spatial transformations from training data in the high…

Image and Video Processing · Electrical Eng. & Systems 2020-04-07 Jian Wang , Miaomiao Zhang

Handwritten character recognition is an active area of research with applications in numerous fields. Past and recent works in this field have concentrated on various languages. Arabic is one language where the scope of research is still…

Computer Vision and Pattern Recognition · Computer Science 2017-02-16 Akm Ashiquzzaman , Abdul Kawsar Tushar

Owing to the rapid growth of touchscreen mobile terminals and pen-based interfaces, handwriting-based writer identification systems are attracting increasing attention for personal authentication, digital forensics, and other applications.…

Computer Vision and Pattern Recognition · Computer Science 2015-12-23 Weixin Yang , Lianwen Jin , Manfei Liu
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