Data Set of Skewed Line Drawings: Bluetooth, fish, postal mark, square root, T and X

by Tsukasa Okamoto and Kazunori Iwata
last modified Sep. 1, 2017

1. What is the Data Set ?

The data set consists of 180 text format files, each of which represents a skewed line drawing of a shape. Each shape is classified into one of six classes, and there are 30 shapes in each class. Each line of the file is expressed as a vector (t, x(t), y(t)) where t denotes time (milli-second) which has passed from the start of drawing line, and x(t) and y(t) denote the coordinates of point at time t.

2. How to get ?

The data set is free and everyone is permitted to use them. We will accept that you have the freedom to distribute the data set. Before downloading, please understand that we abdicate responsibility for any trouble and any technical support regarding the data set. You must accept this statement to download it.


3. How to use ?

You can visualize a text file of the data set using gnuplot, Drawing Panel, MS Excel, etc.

With gnuplot

When plotting a file "xxx.txt" with gnuplot, launch as follows.

> set yrange [] reverse
> plot "xxx.txt" using 2:3 with lines

With Drawing Panel

Selecting ``Open'' item will plot a file.


T. Okamoto, K. Iwata, and N. Suematsu, Extending the Full Procrustes Distance to Anisotropic Scale in Shape Analysis, Proceedings of the 4th IAPR Asian Conference on Pattern Recognition, Dec. 2017.

T. Okamoto, K. Iwata, and N. Suematsu, Shape Retrieval Using an Anisotropic Scale Based Distance between Shapes, Proceedings of the 20th Meeting on Image Recognition and Understanding (MIRU2017), Aug. 2017. (in Japanese)

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All Right Reserved by Kazunori Iwata