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Subject: [ E-CFP ] ICDAR 2013 Recognition of Handwritten Historical Texts (RHHT) Competition - Deadlines extended!
From: <cmartine_(on)_dsic.upv.es>
Date received: 11 Mar 2013
Deadline: 01 Apr 2013
Start date: -

Apologies for multiple copies, please distribute!

Notice extended deadlines!


ICDAR 2013 Recognition of Handwritten Historical Texts (RHHT)

The "ICDAR 2013 Recognition of Handwritten Historical Texts
(RHHT)" competition is organised in the framework of the ICDAR
2013 competitions by the PRHLT group. Its goal is to bring
together the different researchers working on off-line
handwritten text recognition (HTR) and let them work on the
specific application of off-line HTR techniques to historical
texts, in order to provide them a suitable benchmark to compare
their techniques. In this competition, the recognition of a
database of historical handwritten text is proposed. The database
corresponds to a manuscript written in Spanish during the 16th
century by a single writer.


The participant systems must try to obtain the most accurate
recognition results of the test partition. The available data for
achieving this task will consist of:

- Image for each line of the training, validation, and test sets
  (see example below)
- Corresponding transcriptions for each line (only for training
  and validation sets)

Training partition is about 10,000 lines, whereas validation and
test partitions are about 5,000 lines each. An extra test
partition of a similar text, but from a different database, may
be provided to check the robustness of the systems against small
changes in language and handwritting style. A baseline system
based on HTK and SRILM is provided, along with a set of scripts
that performs a baseline training and test experiment. The
participants can use this baseline system as an initial approach
to their own systems, where they will be allowed to improve this
baseline by using:

- different feature extraction techniques
- different recognition systems
- different types of models
- ...

The only restriction will be related to the final training data,
that must pertain to the training and validation sets provided by
the organisers.

Several submissions per participant will be allowed and all the
results will be considered when presenting the competition
results. In each submission, the participant must provide a brief
description of the characteristics of the submitted system,
emphasising the main differences between the submitted system and
the baseline system. The final goal is to analyse the different
proposals of the participants.


The evaluation will be performed on the final result of the whole
system (from preprocess to recognition). The evaluation metric is
based on final word recognition, and Word Error Rate (WER) will
be used to determine the performance of the systems. The winner
will be the one that obtain the less WER on the test set. A
web-based platform will be available for the participants to
check their validation and test results.

The description of the methods and the evaluation scores will be
presented during a dedicated ICDAR 2013 session. A report on the
competition will be published in the ICDAR 2013 conference
proceedings. Participants on this contest are not obliged to
attend the ICDAR 2013 conference, although their presence in the
presentation the evaluation and the posterior discusion will be
very much appreciated.


To inscribe in this contest send an e-mail to
cmartine_AT_dsic_DOT_upv_DOT_es with the subject "ICDAR 2013 RHHT
competition inscription". In the message you must provide the
following data:

- Group name and acronym
- Institution
- Participants and e-mail
- Contact person

A username and password will be given to each registered
participant. Each participant will have access granted to the
data and evaluation page by using that username and password.


- Feb, 15th, 2013 Competition opens, start of inscription period,
  training and validation data available, baseline system
- Apr, 1st, 2013 (EXTENDED!) Registration deadline (no more
  participants would be admitted).
- May, 1st, 2013 (EXTENDED!) Test data available
- May, 15th, 2013 Deadline for systems results


Carlos-D. Martínez-Hinarejos Nicolás Serrano PRHLT group -
Universitat Politècnica de València

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