activity
20202025
most citedAT-ST: Self-Training Adaptation Strategy for OCR in Domains with Limited Transcriptions

15 citations · 18 across the 6 of their papers we have counts for

collaborators

7 papers

cs.CV2025

TextBite: A Historical Czech Document Dataset for Logical Page Segmentation

Martin Kostelník, Karel Beneš, Michal Hradiš

Logical page segmentation is an important step in document analysis, enabling better semantic representations, information retrieval, and text understanding. Previous approaches de…

cs.SD2023

BUT CHiME-7 system description

Martin Karafiát, Karel Veselý, Igor Szöke +5

This paper describes the joint effort of Brno University of Technology (BUT), AGH University of Krakow and University of Buenos Aires on the development of Automatic Speech Recogni…

cs.CL2023★ 1 cited

Hystoc: Obtaining word confidences for fusion of end-to-end ASR systems

Karel Beneš, Martin Kocour, Lukáš Burget

End-to-end (e2e) systems have recently gained wide popularity in automatic speech recognition. However, these systems do generally not provide well-calibrated word-level confidence…

cs.LG2022★ 1 cited

SoftCTC -- Semi-Supervised Learning for Text Recognition using Soft Pseudo-Labels

Martin Kišš, Michal Hradiš, Karel Beneš +2

This paper explores semi-supervised training for sequence tasks, such as Optical Character Recognition or Automatic Speech Recognition. We propose a novel loss function $\unicode{x…

cs.CV2022★ 1 cited

Importance of Textlines in Historical Document Classification

Martin Kišš, Jan Kohút, Karel Beneš +1

This paper describes a system prepared at Brno University of Technology for ICDAR 2021 Competition on Historical Document Classification, experiments leading to its design, and the…

cs.CV2021★ 15 cited

AT-ST: Self-Training Adaptation Strategy for OCR in Domains with Limited Transcriptions

Martin Kišš, Karel Beneš, Michal Hradiš

This paper addresses text recognition for domains with limited manual annotations by a simple self-training strategy. Our approach should reduce human annotation effort when target…

cs.CL2020

Text Augmentation for Language Models in High Error Recognition Scenario

Karel Beneš, Lukáš Burget

We examine the effect of data augmentation for training of language models for speech recognition. We compare augmentation based on global error statistics with one based on per-wo…