Mobile-Captured Image Document Recognition for Vietnamese Receipts (MC-OCR) - Legacy

Organized by mc-ocr-organizers - Current server time: July 15, 2024, 6:03 a.m. UTC


Public Test
March 16, 2021, midnight UTC


Private Test
March 16, 2021, midnight UTC


Competition Ends

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Important information

In this competition, we would like to tackle a problem of receipt recognition analysis: the text recognition of Vietnamese receipts. The competition task aims at extracting required fields in Vietnamese receipts captured by mobile devices.


How to cite this competition?

- Xuan-Son Vu, Quang-Anh Bui, Nhu-Van Nguyen, Thi-Tuyet-Hai Nguyen, Thanh Vu, ``MC-OCR Challenge: Mobile-Captured Image Document Recognition for Vietnamese Receipts'', Proceedings of the 15th IEEE-RIVF International Conference on Computing and Communication Technologies (RIVF), 2021.

- Bibtex:


author = {Xuan-Son Vu and Quang-Anh Bui and Nhu-Van Nguyen and Thi-Tuyet-Hai Nguyen and Thanh Vu},
title = {MC-OCR Challenge: Mobile-Captured Image Document Recognition for Vietnamese Receipts},
booktitle = {Proceedings of the 15th IEEE-RIVF International Conference on Computing and Communication Technologies},
series = {RIVF '21},
year = {2021},
publisher = {IEEE}




1]. D. Karatzas, F. Shafait, S. Uchida, M. Iwamura, L. Gomez, S. Robles, J. Mas, D. Fernandez, J. Almazan, L.P. de las Heras: ICDAR 2013 Robust Reading Competition. ICDAR, 2013.

[2]. D. Karatzas, L. Gomez-Bigorda, A. Nicolaou, D. Ghosh , A. Bagdanov, M. Iwamura, J. Matas, L. Neumann, VR. Chandrasekhar, S. Lu, F. Shafait, S. Uchida, E. Valveny: ICDAR 2015 robust reading competition. ICDAR, 2015.

[3]. Everingham, M. and Eslami, S. M. A. and Van Gool, L. and Williams, C. K. I. and Winn, J. and Zisserman, A.: The Pascal Visual Object Classes Challenge: A Retrospective. IJCV, 2015.

[4]. D. Karatzas, L. Rushinol, The Robust Reading Competition Annotation and Evaluation Platform.

Result submission 

Participants must submit the result in the same order as the testing set in the following format: 

  • id1, quality score, extracted text fields

  • id1, quality score, extracted text fields

Evaluation Metric

The submission will be evaluated with ground-truth annotations based on average score of RMSE (task 1) and CER (task 2) (read more HERE).

General rules

  • All data must be used in As-Is condition. Manual annotation and extra data are not allowed.
  • Right to cancel, modify, or disqualify. The Competition Organizer reserves the right at its sole discretion to terminate, modify, or suspend the competition.

  • By submitting results to this competition, you consent to the public release of your scores at the Competition workshop and in the associated proceedings, at the task organizers' discretion. Scores may include but are not limited to, automatic and manual quantitative judgments, qualitative judgments, and such other metrics as the task organizers see fit. You accept that the ultimate decision of metric choice and score value is that of the task organizers.

  • By joining the competition, you affirm and acknowledge that you agree to comply with applicable laws and regulations, and you may not infringe upon any copyrights, intellectual property, or patent of another party for the software you develop in the course of the competition, and will not breach of any applicable laws and regulations related to export control and data privacy and protection

  • Prizes are subject to the Competition Organizer’s review and verification of the entrant’s eligibility and compliance with these rules as well as the compliance of the winning submissions with the submission requirements.

  • Participants grant to the Competition Organizer the right to use your winning submissions and the source code and data created for and used to generate the submission for any purpose whatsoever and without further approval.


  • Each participant must create a CodaLab account to submit their solution for the competition. Only one account per user is allowed.

  • The competition is public, but the Competition Organizer may elect to disallow participation according to its own considerations.

  • The Competition Organizer reserves the right to disqualify any entrant from the competition if, in the Competition Organizer’s sole discretion, it reasonably believes that the entrant has attempted to undermine the legitimate operation of the competition through cheating, deception, or other unfair playing practices.


  • Participants are allowed to form teams. The maximum of the number of participants on the team is up to 5. 

  • You may not participate in more than one team. Each team member must be a single individual operating a separate CodaLab account. 

  • Team mergers are allowed and can be performed by the team leader. Team merger requests will not be permitted after the "Team merger deadline".  

  • In order to merge, the combined team must have a total submission count less than or equal to the maximum allowed for a single team as of the merge date. The maximum allowed is the number of submissions per day per phase multiplied by the number of days the competition has been running. 

  • The organizers don’t provide any assistance regarding team mergers.



  • Maximum number of submissions in each phase:

    • Phase 1 - Warm Up: 10 submissions / day / team
    • Phase 2 - Public Test: 10 submissions / day / team
    • Phase 3 - Private Test: 5 submissions / day / team
  • Submissions are void if they are in whole or part illegible, incomplete, damaged, altered, counterfeit, obtained through fraudulent means, or late. The Competition Organizer reserves the right, in its sole discretion, to disqualify any entrant who makes a submission that does not adhere to all requirements.


By downloading or by accessing the data provided by the Competition Organizer in any manner you agree to the following terms:

  • You will not distribute the data except for the purpose of non-commercial and academic-research.

  • You will not distribute, copy, reproduce, disclose, assign, sublicense, embed, host, transfer, sell, trade, or resell any portion of the data provided by the Competition Organizer to any third party for any purpose.

  • The data must not be used for providing surveillance, analyses or research that isolates a group of individuals or any single individual for any unlawful or discriminatory purpose.

  • You accept full responsibility for your use of the data and shall defend and indemnify the Competition Organizer, against any and all claims arising from your use of the data.

  • For any other purposes, please contact [email protected].
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Warm Up

Start: Dec. 19, 2020, midnight

Public Test

Start: March 16, 2021, midnight

Private Test

Start: March 16, 2021, midnight

Competition Ends


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# Username Score
1 caodoanhuit 0.21
2 cuongngm 0.22
3 cuongnd 0.23