Papers

A comparison between allophone, syllable, and diphone based TTS systems for Kurdish language

Wafa Barkhoda , Bahram ZahirAzami , Anvar Bahrampour , Om-Kolsoom Shahryari

IEEE International Symposium on Signal Processing and Information Technology (ISSPIT)

December 1, 2009

A historical Kurdish text-to-speech study comparing concatenative synthesis systems based on allophone, syllable, and diphone units. The retrieved primary bibliographic metadata verifies the publication and comparison task, while detailed corpus characteristics and exact numerical evaluation results …

Kurdish Text-to-Speech Concatenative Synthesis Speech Synthesis

A Language Model for Spell Checking of Educational Texts in Kurdish (Sorani)

Roshna Abdulrahman , Hossein Hassani

Proceedings of the 1st Annual Meeting of the ELRA/ISCA Special Interest Group on Under-Resourced Languages, pp. 189-198

June 24, 2022

A contextual Sorani Kurdish spelling-correction study using a trigram language model with Stupid Backoff and edit-distance candidates. The authors report 88.54% overall accuracy and 43.33% F1, with substantially different performance across the educational-text evaluation subsets.

Spell Checking Sorani Kurdish Language Model Trigram Educational Text

A Modified Vision Transformer for Kurdish Cursive RTL Handwritten Text Recognition

Faraedwn M. Salih , Abdulbasit K. Al-talabani

Research Square

April 6, 2026

This 2026 Research Square preprint presents a modified Vision Transformer approach for handwritten Sorani Kurdish line recognition and introduces DASNUS. The dataset contains 11,475 lines from 867 writers with writer-separated training, validation and test sets. The authors report 3.47% CER and …

Handwritten Text Recognition Sorani Kurdish Vision Transformer DASNUS Preprint

A vast dataset for Kurdish handwritten digits and isolated characters recognition

This dataset paper introduces K-PIT and K-ZHMARA for isolated Central Kurdish handwriting recognition. K-PIT contains 245,000 character images across 35 classes and K-ZHMARA contains 70,000 digit images across 10 classes, for 315,000 images in total. The publication presents the resources as …

K-PIT K-ZHMARA Handwriting Kurdish Character Recognition

Adapting F5-TTS Model to Kurdish Sorani: Diffusion-based Speech Synthesis with a Specialized Dataset

Hamreen Ahmad , Aree Mohammed

UHD Journal of Science and Technology, Vol. 9, pp. 198-207

October 6, 2025

A Sorani Kurdish speech synthesis study adapting F5-TTS with a specialized single-speaker collection derived from broadcast material. The paper reports subjective and recognition-based evaluation; the underlying dataset, Kurdish checkpoint, and code were not independently verified as public …

Sorani F5-TTS Diffusion Speech Synthesis

An extensive dataset of handwritten central Kurdish isolated characters

This Data in Brief article describes a collection of isolated handwritten Central Kurdish characters. The paper reports 40,940 images from 390 writers and tables containing 35 labels. A later published letter reported 40,826 images in examined earlier releases and identified inconsistencies in the …

Handwriting Central Kurdish Sorani Character Recognition Dataset

Automatic Text Summarization (ATS) for Research Documents in Sorani Kurdish

Develops an extractive automatic text summarization approach for long-form Sorani Kurdish research documents. The study uses a corpus of 231 scientific papers from four academic departments, applies Sentence Weighting and TF-IDF in two experiments with and without conclusion sections, and evaluates …

Sorani Kurdish Automatic Text Summarization TF-IDF Sentence Weighting Research Documents ROUGE

Breaking Walls: Pioneering Automatic Speech Recognition for Central Kurdish: End-to-End Transformer Paradigm

Develops end-to-end Transformer-based automatic speech recognition for Central Kurdish using a newly constructed 100-hour speech corpus. The study fine-tunes wav2vec 2.0 XLS-R models and combines them with n-gram language models and a Kurdish tokenizer. The best reported configuration achieved 10.0% …

Automatic Speech Recognition Central Kurdish Sorani wav2vec 2.0 XLS-R Transformer

Building a Lemmatizer and a Spell-checker for Sorani Kurdish

Shahin Salavati , Sina Ahmadi

September 28, 2018

A Sorani Kurdish lemmatization and word-level spelling-correction study. The Rênûs spell checker combines character n-grams, corpus frequencies, lexicon lookup and weighted edit distance. The authors report a best first-ranked correction accuracy of 96.4% with a lexicon and 87% without a lexicon.

Spell Checking Sorani Kurdish Lemmatization Edit Distance N-grams

Central Kurdish Automatic Speech Recognition using Deep Learning

Abdulhady Abas Abdullah , Hadi Veisi

Journal of University of Anbar for Pure Science, Vol. 16, pp. 108-118

January 1, 2022

Develops a Central Kurdish automatic speech recognition system using deep learning and transfer learning. The approach combines MFCC speech features with LSTM networks and Connectionist Temporal Classification and uses the AsoSoft speech database.

Automatic Speech Recognition Central Kurdish Sorani LSTM CTC Deep Learning

Central Kurdish Text-to-Speech and Its Application in Speech-to-Text Translation

Mohammad Mohammadamini , Meysam Shamsi , Marie Tahon

Proceedings of the Fifteenth Language Resources and Evaluation Conference, pp. 664-673

May 1, 2026

A Central Kurdish text-to-speech study presenting three separately fine-tuned single-speaker F5-TTS models trained on two audiobook-derived resources and reused Gigant recordings. The study evaluates synthesized speech with human listeners and applies synthetic speech to downstream speech …

Central Kurdish Sorani F5-TTS Speech Synthesis Speech Translation

Central Kurdish Text-to-Speech Synthesis with Novel End-to-End Transformer Training

Hawraz A. Ahmad , Tarik A. Rashid

Algorithms, Vol. 17

July 3, 2024

An end-to-end Central Kurdish text-to-speech study using latent speech representations, text-audio alignment, adversarial waveform training, and duration prediction. The system is evaluated on the Gigant-KTTS corpus. Reported quality and speed measurements belong to the cited experiment and are not …

Central Kurdish Sorani Text-to-Speech Transformer Speech Synthesis

Deep Learning-Based Text-to-Speech Synthesis for Central Kurdish: A Transformer-Enhanced Approach

Salman Burhan Ahmed , Sozan Abdullah Mahmood

Passer Journal of Basic and Applied Sciences, Vol. 8, pp. 712-722

July 3, 2026

A Central Kurdish speech synthesis study combining a CNN-Transformer encoder, Tacotron 2 autoregressive decoding, and WaveGlow. The experiment reuses Gigant-KTTS recordings and evaluates synthesized speech with native listeners and word error rate measurements.

Central Kurdish Transformer Tacotron 2 WaveGlow Text-to-Speech

End-to-End Kurdish Speech Synthesis Based on Transfer Learning

Sabat Muhamad , Hadi Veisi

Passer Journal of Basic and Applied Sciences, Vol. 4, pp. 150-160

August 26, 2022

A Sorani Kurdish speech synthesis study using transfer learning from an English Tacotron 2 model with a pretrained HiFi-GAN vocoder. The experiment uses a single female speaker corpus of approximately ten hours and evaluates synthesized speech with native listeners.

Sorani Text-to-Speech Tacotron 2 Transfer Learning HiFi-GAN

End-to-End Transformer-based Automatic Speech Recognition for Northern Kurdish: A Pioneering Approach

Investigates end-to-end automatic speech recognition for Northern Kurdish (Kurmanji) by fine-tuning OpenAI Whisper v3 using multiple adaptation strategies. The work uses the Northern Kurdish portion of Mozilla Common Voice 18.0 and reports a best WER of 10.5% and CER of 5.7%.

Automatic Speech Recognition Northern Kurdish Kurmanji Whisper Transformer Common Voice

Exploiting Script Similarities to Compensate for the Large Amount of Data in Training Tesseract LSTM: Towards Kurdish OCR

Saman Idrees , Hossein Hassani

Applied Sciences, Vol. 11(20), pp. 9752

October 19, 2021

This study adapts an Arabic Tesseract LSTM model to printed Sorani Kurdish using limited Kurdish ground truth and synthetic font-based training material. The authors report 95.45% average character accuracy on an evaluation set of 11 court-document images. A separate Tesseract evaluation reports …

OCR Sorani Kurdish Tesseract LSTM Printed Text

Exploring Lexical Lacunae in the Scientific Translation of Theoretical Physics Books: An English-Kurdish Case-Study

Daban Mohammed Haji , Fenik Muhammad Ghafur

Journal of University of Human Development, Vol. 5(4), pp. 18-24

September 30, 2019

A qualitative English-Kurdish study of lexical gaps in five theoretical-physics and popular-science books and their Kurdish translations, approximately 520,000 words as reported by the authors. It examines scientific words, eponyms and abbreviated forms, and discusses responses including triplets, …

Scientific Translation Lexical Lacunae Theoretical Physics Sorani Kurdish

FLEURS-Kobani: Extending the FLEURS Dataset for Northern Kurdish

Daban Q. Jaff , Mohammad Mohammadamini

Proceedings of the First Workshop on Dialects in NLP

January 1, 2026

Extends the multilingual FLEURS benchmark to Northern Kurdish with 5,162 validated utterances totaling 18 hours and 24 minutes from 31 native speakers. The resource supports ASR and speech-translation evaluation; the reported Whisper v3-large ASR baseline achieved 28.11% WER and 9.84% CER.

Automatic Speech Recognition Northern Kurdish Kurmanji FLEURS Whisper

Gigant-KTTS dataset: Towards building an extensive gigant dataset for Kurdish text-to-speech systems

Hawraz A. Ahmad , Tarik A. Rashid

Data in Brief, Vol. 55, pp. 110753

January 1, 2024

A dataset paper describing Gigant-KTTS, a Central Kurdish speech corpus constructed specifically for text-to-speech research. The corpus contains 6,078 recorded sentences across twelve subject categories from one male speaker.

Central Kurdish Sorani Speech Corpus Text-to-Speech Dataset

Jira: a Central Kurdish speech recognition system, designing and building speech corpus and pronunciation lexicon

Hadi Veisi , Hawre Hosseini , Mohammad Mohammadamini , Wirya Fathy , Aso Mahmudi

Language Resources and Evaluation

January 1, 2022

Jira is a large-vocabulary speech recognition system for Central Kurdish (Sorani), developed together with a purpose-designed speech corpus and pronunciation lexicon. The work uses corpus design based on diphone distribution, acoustic modeling, and n-gram language modeling, reporting a word error …

Automatic Speech Recognition Central Kurdish Sorani Speech Corpus Pronunciation Lexicon

KSTRV1: A scene text recognition dataset for central Kurdish in (Arabic-Based) script

Sardar Omar Salih , Karwan Jacksi

Data in Brief, Vol. 60, pp. 111648

May 1, 2025

This Data in Brief article introduces a scene-text dataset covering Kurdish Sorani and Badini in Arabic-based script alongside Arabic and English. It reports 1,420 natural scene images, 19,872 real word samples and 20,000 synthetic instances across the multilingual collection. The original KSTRV1 …

Scene Text Kurdish Sorani Badini OCR

Kurdish end-to-end speech synthesis using deep neural networks

Sabat Salih Muhamad , Hadi Veisi , Aso Mahmudi , Abdulhady Abas Abdullah , Farhad Rahimi

Natural Language Processing Journal, Vol. 8, pp. 100096

January 1, 2024

A Central Kurdish end-to-end speech synthesis study comparing Tacotron 2 and WaveGlow configurations, including transfer learning from English and training from scratch. The work uses a single-speaker female Kurdish speech corpus associated with the AsoSoft corpus family.

Central Kurdish Sorani Tacotron 2 WaveGlow Speech Synthesis

Kurdish Kurmanji Lemmatization and Spell-checker with Spell-correction

Hanar Hoshyar Mustafa , Rebwar M. Nabi

UHD Journal of Science and Technology, Vol. 7(1), pp. 43-52

January 1, 2023

A Kurmanji Kurdish study combining morphological lemmatization, character bigrams and Jaccard similarity for word-level spelling correction. The authors report 90.77% correction accuracy. The paper's test-sample descriptions are internally inconsistent, so the result should be presented with that …

Spell Checking Kurmanji Lemmatization Jaccard Similarity

Kurdish standard EMNIST-like character dataset

Hamsa D. Majeed , Goran Saman Nariman , Renas Sardar Azeez , Bawar Bilal Abdulqadir

Data in Brief, Vol. 52, pp. 110038

January 13, 2024

This Data in Brief article presents an EMNIST-like handwritten character dataset for Sorani Kurdish. The resource contains 58 character-shape categories and the repository reports 406,000 images. The publication verifies Sorani coverage; broader claims of Latin Kurmanji coverage in repository …

Sorani Kurdish Handwriting EMNIST-like Characters Dataset

KurdSum: A new benchmark dataset for the Kurdish text summarization

Soran Badawi

Natural Language Processing Journal, Vol. 5, pp. 100043

December 1, 2023

Introduces KurdSum, a Kurdish news summarization benchmark containing more than 40,000 texts paired with human-written summaries. The study evaluates four extractive approaches (LexRank, TextRank, Oracle, and Lead-3) and three abstractive approaches (Pointer-Generator, Sequence-to-Sequence, and …

Kurdish Automatic Text Summarization KurdSum News ROUGE Low-Resource NLP

Language Conventions of Kurdish Scientific Books in the Context of Scientific Translation between English and Kurdish

Daban Mohammed Haji , Umed Qadir Muhammad Ameen

Journal of University of Human Development, Vol. 10(2), pp. 58-64

April 23, 2024

A study of language conventions in selected material from five Kurdish scientific books. Using Lambert and van Gorp's framework, the authors examine scientific-language conventions, specialist vocabulary, English loans, nominalization and variation in language choices. Terminology is one component …

Scientific Translation Scientific Writing Terminology Kurdish

LR-Sum: Summarization for Less-Resourced Languages

Chester Palen-Michel , Constantine Lignos

Findings of the Association for Computational Linguistics: ACL 2023, pp. 6829-6844

July 1, 2023

Introduces LR-Sum, an openly licensed multilingual summarization dataset containing human-written summaries for 40 languages. Kurdish is represented as separate Kurmanji and Sorani varieties. The paper establishes extractive and abstractive baselines, including mT5-based summarization, for …

Multilingual Summarization Kurdish Kurmanji Sorani mT5 Low-Resource NLP

Making Old Kurdish Publications Processable by Augmenting Available Optical Character Recognition Engines

Blnd Yaseen , Hossein Hassani

arXiv

April 9, 2024

This 2024 arXiv preprint adapts Tesseract 5 for historical printed Sorani Kurdish publications using transcribed lines from pre-1950 material. The abstract reports 1,233 line images with transcriptions, while the currently inspected partial release contains 1,203 TIFF images and 1,203 text files. …

OCR Sorani Kurdish Historical Print Tesseract Preprint

Norms of Translating Medical Terms in English Patient Information Leaflets into Kurdish

Kazi Hassan Saleh , Nishteman Abdukareem Saed

Journal of University of Raparin, Vol. 11(5), pp. 878-897

October 29, 2024

A descriptive study of medical terminology translation using 150 English patient information leaflets and their Kurdish translations. The authors identify nine translation procedures, reporting borrowing as the most frequent and modulation as the least frequent. The findings describe the studied …

Medical Terminology Translation Sorani Kurdish Patient Information

Obstacles to Preparing Dictionaries of Scientific Terminology in the Kurdish Language: Dictionary of Novel Criticism Terminology as a Model

Ahmed Muhammad Mam Ousman Qurani

Journal of Babylon Center for Humanities Studies, Vol. 16(5), pp. 3665-3688

May 22, 2026

A conceptual study of terminology-dictionary construction using terminology from novel criticism as a case study. It emphasizes concept analysis and differentiating meanings when selecting terminology rather than simply collecting, borrowing or translating everyday words. Its scope is literary …

Terminology Dictionaries Kurdish Concept Analysis Literary Terminology

Scaling Speech Technology to 1,000+ Languages

A multilingual speech technology study associated with Meta's Massively Multilingual Speech project. Its Kurdish relevance includes released Northern Kurdish/Kurmanji VITS synthesis checkpoints with Latin, Arabic, and Cyrillic script identifiers. The official coverage information does not establish …

Kurmanji Northern Kurdish VITS Multilingual Speech Text-to-Speech

Southern Kurdish Speech Recognition Resources and Benchmarking

Mohammad Mohammadamini , Marie Tahon

Proceedings of the Fifteenth Language Resources and Evaluation Conference, pp. 5538-5544

January 1, 2026

Introduces speech-recognition resources and an evaluation benchmark for Southern Kurdish, including approximately 30 hours of validated read speech. Whisper-turbo and wav2vec-BERT CTC baselines are evaluated, with the wav2vec-BERT system reporting 4.09% CER and 24.26% WER on the benchmark.

Automatic Speech Recognition Southern Kurdish Whisper wav2vec-BERT Low-Resource Speech

Spell checking algorithm for agglutinative languages: Central Kurdish as an example

Roojwan Sc. Hawezi , Muhammed Y. Azeez , Ahmed A. Qadir

International Engineering Conference (IEC), pp. 142-146

December 1, 2019

A Central Kurdish spelling-correction method using a compact pattern dictionary and recursive Levenshtein-distance matching. The authors report the intended correction ranked first in 79.93% of synthetic word-level tests, within the top three in 93.30%, and within the top five in 97.01%.

Spell Checking Central Kurdish Levenshtein Distance Agglutinative Languages

The problam and the importance of scientific terms in Kurdish language

شهاب طيب طاهر

Alustath Journal for Human and Social Sciences, Vol. 2(207)

January 1, 2013

A qualitative discussion of scientific terminology in Kurdish, including terminology development, word formation, and the distinction between linguistic and terminological meaning. The article discusses obstacles to developing scientific terminology and argues for coordinated work by specialists and …

Scientific Terminology Kurdish Terminology Development Word Formation

The Role of Terminology in Enriching Kurdish Dictionary

Suzan Saadulla Abdulkany , Bakr Omar Ali

International Journal of Kurdish Studies, Vol. 4(1)

January 1, 2018

A descriptive lexicological study examining specialist terminology, technical coinages, foreign terminology, and lexicalization in Kurdish. The study explains how specialist terms can enter and enrich the general lexicon. It does not establish a standardized terminology database.

Terminology Kurdish Dictionary Lexicology Scientific Vocabulary

Toward Kurdish language processing: Experiments in collecting and processing the AsoSoft text corpus

Hadi Veisi , Mohammad Mohammadamini , Hawre Hosseini

Digital Scholarship in the Humanities, Vol. 35(1), pp. 176-193

January 1, 2020

Development and analysis of a large Central Kurdish text corpus collected from websites, books and magazines, with Kurdish-specific normalization and TEI-based organization.

Central Kurdish Sorani Text Corpus Normalization Language Resources

Unadapted Multilingual ASR on a Garrusi Kurdish Evaluation Set: A Common-Reference Staged Normalization Analysis

Hiwa Asadpour

arXiv

January 1, 2026

Evaluates unadapted multilingual automatic speech recognition systems on a newly constructed Garrusi Kurdish evaluation set. The study uses staged text normalization to enable more consistent CER and WER comparison across orthographic variation.

Automatic Speech Recognition Garrusi Kurdish Southern Kurdish Multilingual ASR Normalization

Statistics

56

Total Publications

53

Research Datasets

9

Research Projects