Large-Scale Video Classification Challenge

Organized by wzxhome - Current server time: Jan. 18, 2021, 8:39 a.m. UTC


Aug. 17, 2017, midnight UTC


Model Development
July 23, 2017, midnight UTC


Competition Ends
Sept. 18, 2017, 11:59 p.m. UTC


Welcome to the website of the Large-Scale Video Classification Challenge workshop.

Submission Guideline

1. Generating a submission file and name it as "answer.txt"

A sample format:

2. Please sort the videos in your submission according to

3. Zip the submission file with: zip -r answer.txt (this is crucial for the evaluation server to read it correctly)

4.  You are strongly advised to get familiar with the submission process by testing your submission in the model development phase (submit results on the validation set).


Submission procedure:

1. Sign up for a Codalab account.

2. Navigate to the Participate tab for submission.

3. Click the submit button and upload a submission.


Evaluation Criteria

We will evaluate the success of the proposed methods based on mean Average Precision (mAP) across all categories. 

Terms and Conditions

Please refrain from using multiple accounts to submit results. The challenge organizers reserve the right to disqualify the violating team.



Model Development

Start: July 23, 2017, midnight

Description: Participants can development models based on training and validation data and submit results on the validation set.


Start: Aug. 17, 2017, midnight

Description: Participants can submit results on testing set.

Competition Ends

Sept. 18, 2017, 11:59 p.m.

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# Username Score
1 chenc2 0.884750
2 yoosan 0.820535
3 shao 0.814425