Weekly Update for November 13
Show and Tell
November 13
Hu Moments Robustness
| boots |
L |
G |
G |
1 |
original |
1.395490 |
| boots |
L |
G |
G |
1 |
translated |
1.419463 |
| boots |
L |
G |
G |
1 |
rotated30 |
1.395492 |
| boots |
L |
G |
G |
1 |
rotated60 |
1.395492 |
| boots |
L |
G |
G |
1 |
resized |
1.393610 |
| boots |
L |
G |
G |
2 |
original |
1.366388 |
| boots |
L |
G |
G |
2 |
translated |
1.384042 |
| boots |
L |
G |
G |
2 |
rotated30 |
1.366386 |
| boots |
L |
G |
G |
2 |
rotated60 |
1.366390 |
| boots |
L |
G |
G |
2 |
resized |
1.365857 |
Hu Moments Robustness
Hu Moments Robustness
Hu Moments Robustness
Hu Moments Robustness
Hu Moments Robustness
Hu Moments Robustness
Bullet Matching Models
- Changing the classification score cutoff drastically changes confusion matrices and model performance.
- Ideal cutoff for current random forest model seems to be somewhere around 0.85.
- Arguably better results with a simple neural network model (MLP with 5 hidden layers, no regularization).
Bullet Matching Models
Axis for a Shoeprint found with Linear Regression
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|
Rough Alligment Based on Two Points
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Some facts
- The Aztecs sacrificed about 250,000 people, or about 1% of their population, each year.
- As of 2015, indigenous people make up 21.5% of Mexico’s population (25 million people).
- 8 out of the 52 U.S. states exist on the land that used to belong to Mexico.
- Each year, residents of Naco, Mexico, join those of Naco, Arizona, for a volleyball match over the fence separating the two countries.
