Search Results for author: Hung Tuan Nguyen

Found 9 papers, 0 papers with code

Recurrent neural network transducer for Japanese and Chinese offline handwritten text recognition

no code implementations28 Jun 2021 Trung Tan Ngo, Hung Tuan Nguyen, Nam Tuan Ly, Masaki Nakagawa

In this paper, we propose an RNN-Transducer model for recognizing Japanese and Chinese offline handwritten text line images.

Handwritten Text Recognition

GSSF: A Generative Sequence Similarity Function based on a Seq2Seq model for clustering online handwritten mathematical answers

no code implementations21 May 2021 Huy Quang Ung, Cuong Tuan Nguyen, Hung Tuan Nguyen, Masaki Nakagawa

Toward a computer-assisted marking for descriptive math questions, this paper presents clustering of online handwritten mathematical expressions (OnHMEs) to help human markers to mark them efficiently and reliably.

Clustering Descriptive +1

Global Context for improving recognition of Online Handwritten Mathematical Expressions

no code implementations21 May 2021 Cuong Tuan Nguyen, Thanh-Nghia Truong, Hung Tuan Nguyen, Masaki Nakagawa

The classification model is trained by multiple paths of symbols and spatial relations derived from the Symbol Relation Tree (SRT) representation of HMEs.

Classification Relation +1

Text-independent writer identification using convolutional neural network

no code implementations10 Sep 2020 Hung Tuan Nguyen, Cuong Tuan Nguyen, Takeya Ino, Bipin Indurkhya, Masaki Nakagawa

Randomly sampled tuples of images from the training set are used to train the CNN and aggregate the extracted local features of images from the tuples to form global features.

Clustering

Online trajectory recovery from offline handwritten Japanese kanji characters

no code implementations9 Sep 2020 Hung Tuan Nguyen, Tsubasa Nakamura, Cuong Tuan Nguyen, Masaki Nakagawa

Although the visual verification reveals some problems, the recognition experiments demonstrate the effect of trajectory recovery in improving the accuracy of offline handwritten character recognition when online recognition for the recovered trajectories are combined.

End to End Recognition System for Recognizing Offline Unconstrained Vietnamese Handwriting

no code implementations14 May 2019 Anh Duc Le, Hung Tuan Nguyen, Masaki Nakagawa

Inspired by recent successes in neural machine translation and image caption generation, we present an attention based encoder decoder model (AED) to recognize Vietnamese Handwritten Text.

Handwriting Recognition Handwritten Text Recognition +3

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