Small Object Detection Challenge for Spotting Birds 2023

Overview

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In conjunction with MVA2023, we host the Small Object Detection Challenge for Spotting Birds. This challenge focuses on Small Object Detection (SOD)[5]. problem, which is categorized to the , proposed by S. Fujii, et al. [1]. In contrast to general detection, SOD has its own difficulties and thus is a hot topic in the Computer Vision community, as presented in the ECCV2020 workshop [2] and the ACCV2022 workshop [3] in recent years.

This challenge not only raises academic issues in Computer Vision but also promotes practical technology developments that are expected to be employed in real-world applications. For example, distant-bird detection is an important function for unmanned aerial vehicles (UAVs) such as drones in order to avoid bird attacks and drive away harmful birds that destroy fields and rice paddies. Thus, this Challenge is in line with MVA's policy to build bridges between academia and industry.

Challenge Category

The Challenge has two categories, "Research Category" and "Development Category" in order to encourage a wide range of participants from academia and industry, from young to senior. Participants must select one of the categories at the time of final submission. In both categories, you can create a team and participate as a member of a team. The details of each category are as follows.

1. Research Category

In this category, participants are expected to not only have the top performance but also propose novel technical contribution(s). Accordingly, each participant of this category is required to submit a technical paper. This paper must follow the same guidelines as the main conference so that each paper consists of four pages or less excluding references. See Submission (TBA) in the MVA2023 website for details on submitting your paper. In addition, the training and test codes and the trained model for the private test phase must be submitted to check the reproducibility of the results. Papers from the winners will be published in the MVA2023 proceedings.

2. Development Category

In this category, participants can focus solely on achieving the top performance. No novel technical contribution is required. Therefore, each participant is only required to submit the codes and the trained model.

Task

The task is to detect birds on images, and there is only a single class. The goal of this task is to exhibit the state-of-the-art performance in object detection metrics.

Dataset

The dataset is split into training/public test/private test sets. Participants can download the images and annotations of the training data, and the images of the public test data. The annotations of the public test data are hidden but the participants can obtain the evaluation score once their detection results are online submitted via the CodaLab web platform. Participants cannot access the private test images. The private test will be conducted manually by the challenge organizer. The trainig data includes an extended version of the publicly available data (train1) published in [4] and newly released data for this competition (train2).

After the challenge, the public test evaluation server will continue to run on CodaLab to promote further research on small object detection.

Evaluation

The performance metrics is mAP@50. In Development Category, the rank is automatically determined based on the metric score. In Research Category, the challenge organization members evaluate the metric scores of the evaluation metrics, the novelty of the method, and the quality of the paper comprehensively.

Baseline

We release the baseline code that is based on [1].

https://github.com/IIM-TTIJ/MVA2023BirdDetection

Discussion

In this Challenge, a Discord channel where participants can discuss with each other is available. After you join this Challenge in CodaLab, you will also receive an invitation email to join the channel. Please press GOOD REACTION for discussions you find particularly useful. Discussions in this channel will be evaluated for the Best Booster Award.

Important dates

Challenges Event Date (always 23:59 PST)
Site online 2022.12.8
Release of training data and public test data 2023.1.9
Public test server online 2023.1.10
Public test server closed 2023.4.14
Fact sheets, code/executable submission deadline 2023.4.21
Paper submission deadline (only Research Category) 2023.5.7
Preliminary private test results release to the participants 2023.6.15
Camera ready due (only Research Category) 2023.7.4

Prizes & Awards

This Challenge offers cash prizes and awards, and free admission to MVA2023. In addition, participants who are highly-ranked in the Academic Category will receive the right to present their work in the special session in the main conference. The details of the prizes and awards are as follows.

1.Research Category

Rank PrizeMoney Award Oral
1st 300,000 JPY Best Solution Award
2nd 200,000 JPY Runner-Up Solution Award
3rd 100,000 JPY Honorable Mention Solution Award
4th – 6th 50,000 JPY - -
† The registration fee is free for oral presenters.

2.Development Category

Rank PrizeMoney Award Oral
1st 100,000 JPY Winner Award † ∗
2nd – 5th 50,000 JPY - -
† The registration fee is free for oral presenters.
∗ The recipient of the Winner Award receive the right to present their work in the special session in the main conference.

3.Common award

A chance to win the Best Booster Award will be given to participants in both categories. This award will be presented to the individual who are beneficially active in discussions on the Discord channel. The evaluation criteria will be based on the content of the discussion and the number of good reactions. The winner of this award is also invited to the conference free of charge.

Registration

If you wish to participate in this challenge, please register for the challenge in CodaLab to receive email notifications for the challenge, and you can then join the Discord channel via email.

CodaLab page

Submission

For submitting the results of the public test data, all participants must submit the zip file in which the detection results are discribed in the json files. In the private test phese, the training and test codes, and the trained model files must be submitted before the deadline via the Google Form (TBA). In addition, participants in the Research Category are required to submit a technical paper. See Submission (TBA) in the MVA2023 website for details on submitting your paper in this category. Note that, different from papers submitted to the main conference, (1) no supplemental material is permitted and (2) the submission site is available in the Google Form (TBA). The paper for this Challenge can be short and simple (e.g., just one-page manuscript), while the page limitation is four pages. Only the brief description of the method and its novel contributions are sufficient.

Challenge organizers

Technical Event Chair

Norimichi Ukita (Toyota Technological Institute),

Yuki Kondo (TOYOTA MOTOR CORPORATION)

Norimichi Ukita (Toyota Technological Institute),

Yuki Kondo (TOYOTA MOTOR CORPORATION)

Staff

 Kaikai Zhao (Toyota Technological Institute),

 Riku Miyata (Toyota Technological Institute),

Kazutoshi Akita (Toyota Technological Institute)

 Kaikai Zhao (Toyota Technological Institute),

 Riku Miyata (Toyota Technological Institute),

Kazutoshi Akita (Toyota Technological Institute)

Contributer

 Takayuki Yamaguchi (Iwate Agricultural Research Center)

 Takayuki Yamaguchi (Iwate Agricultural Research Center)

Adviser

 Masatsugu Kidode (Nara Institute of Science and Technology)

 Masatsugu Kidode
(Nara Institute of Science and Technology)

Citing Small Object Detection Challenge for Spotting Birds 2023

@misc{sodbchallenge2023misc,
  title={MVA2023 Small Object Detection Challenge for Spotting Birds},
  author={Yuki Kondo, Norimichi Ukita, Takayuki Yamaguchi},
  howpublished={\url{https://www.mva-org.jp/mva2023/SODchallenge}},
  year={2023}}
Note: Not yet published and this title is tentative.
@inproceedings{sodbchallenge2023,
  title={MVA2023 Small Object Detection Challenge for Spotting Birds},
  author={Yuki Kondo, Norimichi Ukita, Takayuki Yamaguchi, [Winners]},
  booktitle={International Conference on Machine Vision and Applications},
  note={\url{https://www.mva-org.jp/mva2023/SODchallenge}},
  year={2023}}

References

[1].
S. Fujii, K. Akita, N. Ukita, "Distant Bird Detection for Safe Drone Flight and Its Dataset", 17th International Conference on Machine Vision and Applications (MVA), 2021.
[2].
X. Yu, Z. Han, Y. Gong, N. Jan, J. Zhao, Q. Ye, J. Chen, Y. Feng, B. Zhang, X. Wang, Y. Xin, J. Liu, M. Mao, S. Xu, B. Zhang, S. Han, C. Gao, W. Tang, L. Jin, M. Hong, Y. Yang, S. Li, H. Luo, Q. Zhao, H. Shi. "The 1st tiny object detection challenge: Methods and results", European Conference on Computer Vision Workshop (ECCVW), 2020. https://rlq-tod.github.io/challenge1.html
[3].
“Deep Learning-Based Small Object Detection from Images and Videos”, Asian Conference on Computer Vision Workshop (ACCVW), 2022. https://sites.google.com/view/dlsod2022
[4].
https://github.com/kakitamedia/drone_dataset
[5].
G. Chen, H. Wang, K. Chen, Z. Li, Z. Song, Y. Liu, W. Chen, A. C. Knoll, "A Survey of the Four Pillars for Small Object Detection: Multiscale Representation, Contextual Information, Super-Resolution, and Region Proposal", IEEE Trans. Syst. Man Cybern. Syst. 52(2): 936-953, 2022.

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