22 Types of Sports Classification

Following are the types of sports over which we are trying to classifying:

• Swimming
• Badminton
• Wrestling
• Olympic Shooting
• Cricket
• Football
• Tennis
• Hockey
• Ice Hockey
• Kabaddi
• WWE
• Gymnasium
• Weight lifting
• Volleyball
• Table tennis
• Baseball
• Formula 1
• Moto GP
• Chess
• Boxing
• Fencing
• Basketball

Data Distribution

Data has been downloaded with the help of gi2ds

Training set: 11524

Validation set: 2881

Model

Resnet-50

Data Augmentations

The following data augmentation has been applied to increase the no of images in the training set

1. Flip horizontal
2. Lighting
3. Zooming
4. Warping

Confusion Matrix

Pair of confused categories with minimum value of 2

[('motogp', 'formula1', 5),

('badminton', 'tennis', 4),

('weight_lifting', 'wrestling', 3),

('wrestling', 'wwe', 3),

('badminton', 'table_tennis', 2),

('basketball', 'volleyball', 2),

('boxing', 'wrestling', 2),

('hockey', 'ice_hockey', 2),

('kabaddi', 'hockey', 2),

('tennis', 'table_tennis', 2),

('weight_lifting', 'wwe', 2),

('wrestling', 'kabaddi', 2)]

Sample Images from the confused categories:

For some images you can see the prediction is correct but the manual labelling was done wrong. This shows the CNN are less susceptible to human mistakes.

Accuracy

The accuracy obtained is 97%

Heatmap

Original Image

After Heatmap