Monday, September 17, 2018

Analysis of open tracking data, 03, data of DEBS 2013

In this article, introduced is open tracking data of DEBS 2013.

Mutschler et al.(2013) describes this data set precisely.

However, this data set cannot be downloaded from this original site.

One can download this data set from another site described in German. (Fraunhofer Institute for Integrated Circuits)


HEAD and TAIL of the data set.


Sunday, September 9, 2018

Analysis of open tracking data, 02, several plottings

On the paper and data, this page

"Soccer video and player position dataset": S. A. Pettersen, D. Johansen, H. Johansen, V. Berg-Johansen, V. R. Gaddam, A. Mortensen, R. Langseth, C. Griwodz, H. K. Stensland, and P. Halvorsen, in Proceedings of the International Conference on Multimedia Systems (MMSys), Singapore, March 2014, pp. 18-23 


Analysis of open tracking data, 01, Data of Petterson et al. (2014)

How to make the following figure.

Environment, Google Colaboratory (in the following, `colab')
Language, python 3

Tracking data of a player.

This is the reference paper.

"Soccer video and player position dataset": S. A. Pettersen, D. Johansen, H. Johansen, V. Berg-Johansen, V. R. Gaddam, A. Mortensen, R. Langseth, C. Griwodz, H. K. Stensland, and P. Halvorsen, in Proceedings of the International Conference on Multimedia Systems (MMSys), Singapore, March 2014, pp. 18-23 

The data may only be used for non-commercial research purposes.


Saturday, July 7, 2018

What is "Activity time spent" ?

In this article, introduced is Activity time spent shown in 'Tracking Statistics' PDF file on 2018 FIFA WORLD CUP RUSSIA.

This PDF file and other data are open for public consumption.

You can find these data in 'Match Facts' page of each match. (e.g., 'Match Facts' page of Farnce vs. Argentina, fifa.com)


Players and a ball always move in a match.

Activity time spent indicates time percentages of players' velocity zones.


Friday, June 1, 2018

I lost passion on our national team.(2018 FIFA World Cup Russia)

I lost passion on the Japanese national team, Samurai Blue.

Vahid Halilhodžić was fired, two months ago.

Now Akira Nishino is the manager of our national team.

2018 FIFA World Cup start two weeks later.

I cannot believe our national team will powerfully play football against the opposite teams (Columbia, Senegal, and Poland).


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