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We describe an efficient hierarchical method to compute attention in the Transformer architecture. The proposed attention mechanism exploits a matrix structure similar to the Hierarchical Matrix (H-Matrix) developed by the numerical…

机器学习 · 计算机科学 2021-07-27 Zhenhai Zhu , Radu Soricut

Advances in biosignal signal processing and machine learning, in particular Deep Neural Networks (DNNs), have paved the way for the development of innovative Human-Machine Interfaces for decoding the human intent and controlling artificial…

机器学习 · 计算机科学 2021-10-19 Elahe Rahimian , Soheil Zabihi , Amir Asif , Dario Farina , S. Farokh Atashzar , Arash Mohammadi

Scene text recognition with arbitrary shape is very challenging due to large variations in text shapes, fonts, colors, backgrounds, etc. Most state-of-the-art algorithms rectify the input image into the normalized image, then treat the…

计算机视觉与模式识别 · 计算机科学 2020-04-30 Xinjie Feng , Hongxun Yao , Yuankai Qi , Jun Zhang , Shengping Zhang

Automatic spelling and grammatical correction systems are one of the most widely used tools within natural language applications. In this thesis, we assume the task of error correction as a type of monolingual machine translation where the…

计算与语言 · 计算机科学 2018-10-02 Sina Ahmadi

The text-independent approach to writer identification does not require the writer to write some predetermined text. Previous research on text-independent writer identification has been based on identifying writer-specific features designed…

计算机视觉与模式识别 · 计算机科学 2020-09-11 Hung Tuan Nguyen , Cuong Tuan Nguyen , Takeya Ino , Bipin Indurkhya , Masaki Nakagawa

In spite of advances in object recognition technology, Handwritten Bangla Character Recognition (HBCR) remains largely unsolved due to the presence of many ambiguous handwritten characters and excessively cursive Bangla handwritings. Even…

计算机视觉与模式识别 · 计算机科学 2018-02-13 Md Zahangir Alom , Peheding Sidike , Mahmudul Hasan , Tark M. Taha , Vijayan K. Asari

In contrast to Connectionist Temporal Classification (CTC) approaches, Sequence-To-Sequence (S2S) models for Handwritten Text Recognition (HTR) suffer from errors such as skipped or repeated words which often occur at the end of a sequence.…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Christoph Wick , Jochen Zöllner , Tobias Grüning

The Transformer architecture model, based on self-attention and multi-head attention, has achieved remarkable success in offline end-to-end Automatic Speech Recognition (ASR). However, self-attention and multi-head attention cannot be…

计算与语言 · 计算机科学 2022-10-03 Chendong Zhao , Jianzong Wang , Wen qi Wei , Xiaoyang Qu , Haoqian Wang , Jing Xiao

Scene text image super-resolution aims to increase the resolution and readability of the text in low-resolution images. Though significant improvement has been achieved by deep convolutional neural networks (CNNs), it remains difficult to…

计算机视觉与模式识别 · 计算机科学 2022-03-21 Jianqi Ma , Zhetong Liang , Lei Zhang

We explore the suitability of self-attention models for character-level neural machine translation. We test the standard transformer model, as well as a novel variant in which the encoder block combines information from nearby characters…

计算与语言 · 计算机科学 2020-05-01 Yingqiang Gao , Nikola I. Nikolov , Yuhuang Hu , Richard H. R. Hahnloser

In this work we present a state-of-the-art approach for unconstrained natural scene text recognition. We propose a cascade approach that incorporates a convolutional neural network (CNN) architecture followed by a long short term memory…

计算机视觉与模式识别 · 计算机科学 2016-07-22 Ahmed Mamdouh A. Hassanien

State-of-the-art results on neural machine translation often use attentional sequence-to-sequence models with some form of convolution or recursion. Vaswani et al. (2017) propose a new architecture that avoids recurrence and convolution…

人工智能 · 计算机科学 2017-11-08 Karim Ahmed , Nitish Shirish Keskar , Richard Socher

Attention networks, a deep neural network architecture inspired by humans' attention mechanism, have seen significant success in image captioning, machine translation, and many other applications. Recently, they have been further evolved…

计算与语言 · 计算机科学 2019-09-23 Cheonbok Park , Inyoup Na , Yongjang Jo , Sungbok Shin , Jaehyo Yoo , Bum Chul Kwon , Jian Zhao , Hyungjong Noh , Yeonsoo Lee , Jaegul Choo

In this study, we have presented an efficient procedure using two state-of-the-art approaches from the literature of handwritten text recognition as Vertical Attention Network and Word Beam Search. The attention module is responsible for…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Lalita Kumari , Sukhdeep Singh , Vaibhav Varish Singh Rathore , Anuj Sharma

This paper proposes a hierarchical attentional neural translation model which focuses on enhancing source-side hierarchical representations by covering both local and global semantic information using a bidirectional tree-based encoder. To…

计算与语言 · 计算机科学 2017-07-18 Baosong Yang , Derek F. Wong , Tong Xiao , Lidia S. Chao , Jingbo Zhu

The attention mechanisim is appealing for neural machine translation, since it is able to dynam- ically encode a source sentence by generating a alignment between a target word and source words. Unfortunately, it has been proved to be worse…

计算与语言 · 计算机科学 2016-09-15 Lemao Liu , Masao Utiyama , Andrew Finch , Eiichiro Sumita

Attribute recognition has become crucial because of its wide applications in many computer vision tasks, such as person re-identification. Like many object recognition problems, variations in viewpoints, illumination, and recognition at far…

计算机视觉与模式识别 · 计算机科学 2018-11-28 Hao Liu , Jingjing Wu , Jianguo Jiang , Meibin Qi , Bo Ren

We propose a framework for sequence-to-sequence contrastive learning (SeqCLR) of visual representations, which we apply to text recognition. To account for the sequence-to-sequence structure, each feature map is divided into different…

计算机视觉与模式识别 · 计算机科学 2020-12-22 Aviad Aberdam , Ron Litman , Shahar Tsiper , Oron Anschel , Ron Slossberg , Shai Mazor , R. Manmatha , Pietro Perona

Inspired by speech recognition, recent state-of-the-art algorithms mostly consider scene text recognition as a sequence prediction problem. Though achieving excellent performance, these methods usually neglect an important fact that text in…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Minghui Liao , Jian Zhang , Zhaoyi Wan , Fengming Xie , Jiajun Liang , Pengyuan Lyu , Cong Yao , Xiang Bai

Language and vision-language models have shown impressive performance across a wide range of tasks, but their internal mechanisms remain only partly understood. In this work, we study how individual attention heads in text-generative models…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Lorenzo Basile , Valentino Maiorca , Diego Doimo , Francesco Locatello , Alberto Cazzaniga