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The reliance of humans over machines has never been so high such that from object classification in photographs to adding sound to silent movies everything can be performed with the help of deep learning and machine learning algorithms.…

计算机视觉与模式识别 · 计算机科学 2021-06-25 Samay Pashine , Ritik Dixit , Rishika Kushwah

In the era of big data, a large number of text data generated by the Internet has given birth to a variety of text representation methods. In natural language processing (NLP), text representation transforms text into vectors that can be…

机器学习 · 计算机科学 2020-08-31 Genggeng Liu , Canyang Guo , Lin Xie , Wenxi Liu , Naixue Xiong , Guolong Chen

In this paper we propose an approach to lexicon-free recognition of text in scene images. Our approach relies on a LSTM-based soft visual attention model learned from convolutional features. A set of feature vectors are derived from an…

计算机视觉与模式识别 · 计算机科学 2017-06-07 Suman K. Ghosh , Ernest Valveny , Andrew D. Bagdanov

In recent years, text recognition has achieved remarkable success in recognizing scanned document text. However, word recognition in natural images is still an open problem, which generally requires time consuming post-processing steps. We…

计算机视觉与模式识别 · 计算机科学 2017-05-17 Andrei Polzounov , Artsiom Ablavatski , Sergio Escalera , Shijian Lu , Jianfei Cai

Features play a crucial role in computer vision. Initially designed to detect salient elements by means of handcrafted algorithms, features are now often learned by different layers in Convolutional Neural Networks (CNNs). This paper…

计算机视觉与模式识别 · 计算机科学 2021-11-18 Loris Nanni , Stefano Ghidoni , Sheryl Brahnam

A lot of effort is currently made to provide methods to analyze and understand deep neural network impressive performances for tasks such as image or text classification. These methods are mainly based on visualizing the important input…

机器学习 · 统计学 2020-04-08 Laurent Vanni , Marco Corneli , Damon Mayaffre , Frédéric Precioso

We present an algorithm for extracting key-point descriptors using deep convolutional neural networks (CNN). Unlike many existing deep CNNs, our model computes local features around a given point in an image. We also present a face…

计算机视觉与模式识别 · 计算机科学 2016-02-01 Amit Kumar , Rajeev Ranjan , Vishal Patel , Rama Chellappa

Automation of feature analysis in the dynamic image frame dataset deals with complexity of intensity mapping with normal and abnormal class. The threshold-based data clustering and feature analysis requires iterative model to learn the…

计算机视觉与模式识别 · 计算机科学 2023-01-20 Aatif Jamshed , Bhawna Mallick , Rajendra Kumar Bharti

Recent approaches for instance-aware semantic labeling have augmented convolutional neural networks (CNNs) with complex multi-task architectures or computationally expensive graphical models. We present a method that leverages a fully…

计算机视觉与模式识别 · 计算机科学 2016-07-15 Jonas Uhrig , Marius Cordts , Uwe Franke , Thomas Brox

We introduce an approach for analyzing the variation of features generated by convolutional neural networks (CNNs) with respect to scene factors that occur in natural images. Such factors may include object style, 3D viewpoint, color, and…

计算机视觉与模式识别 · 计算机科学 2015-06-04 Mathieu Aubry , Bryan Russell

In this paper, we approach the problem of segmentation-free query-by-string word spotting for handwritten documents. In other words, we use methods inspired from computer vision and machine learning to search for words in large collections…

计算机视觉与模式识别 · 计算机科学 2017-08-18 Tomas Wilkinson , Jonas Lindström , Anders Brun

Authorship attribution mainly deals with undecided authorship of literary texts. Authorship attribution is useful in resolving issues like uncertain authorship, recognize authorship of unknown texts, spot plagiarism so on. Statistical…

数字图书馆 · 计算机科学 2013-10-21 M. Sudheep Elayidom , Chinchu Jose , Anitta Puthussery , Neenu K Sasi

Data augmentation is usually used by supervised learning approaches for offline writer identification, but such approaches require extra training data and potentially lead to overfitting errors. In this study, a semi-supervised feature…

机器学习 · 计算机科学 2019-05-28 Shiming Chen , Yisong Wang , Chin-Teng Lin , Weiping Ding , Zehong Cao

In this work, we explore massive pre-training on synthetic word images for enhancing the performance on four benchmark downstream handwriting analysis tasks. To this end, we build a large synthetic dataset of word images rendered in several…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Vittorio Pippi , Silvia Cascianelli , Lorenzo Baraldi , Rita Cucchiara

Handwritten Text Recognition (HTR) is still a challenging problem because it must deal with two important difficulties: the variability among writing styles, and the scarcity of labelled data. To alleviate such problems, synthetic data…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Lei Kang , Marçal Rusiñol , Alicia Fornés , Pau Riba , Mauricio Villegas

Employing a dictionary can efficiently rectify the deviation between the visual prediction and the ground truth in scene text recognition methods. However, the independence of the dictionary on the visual features may lead to incorrect…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Jiajun Wei , Hongjian Zhan , Xiao Tu , Yue Lu , Umapada Pal

The identification of authorship in disputed documents still requires human expertise, which is now unfeasible for many tasks owing to the large volumes of text and authors in practical applications. In this study, we introduce a…

计算与语言 · 计算机科学 2017-01-30 Camilo Akimushkin , Diego R. Amancio , Osvaldo N. Oliveira

Recent research towards understanding neural networks probes models in a top-down manner, but is only able to identify model tendencies that are known a priori. We propose Susceptibility Identification through Fine-Tuning (SIFT), a novel…

计算与语言 · 计算机科学 2019-09-11 Jonas Pfeiffer , Aishwarya Kamath , Iryna Gurevych , Sebastian Ruder

In this work we propose a neural network based image descriptor suitable for image patch matching, which is an important task in many computer vision applications. Our approach is influenced by recent success of deep convolutional neural…

计算机视觉与模式识别 · 计算机科学 2017-11-01 Iaroslav Melekhov , Juho Kannala , Esa Rahtu

Modern scientific and technological advances allow botanists to use computer vision-based approaches for plant identification tasks. These approaches have their own challenges. Leaf classification is a computer-vision task performed for the…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Ali Beikmohammadi , Karim Faez , Ali Motallebi