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Table 1 Pearson correlations for percent diseased leaf area (upper) and lesion number (lower) traits between uncompressed images (5184 × 3456 pixels) and varying levels of compression (n = 51)

From: Automated, image-based disease measurement for phenotyping resistance to soybean frogeye leaf spot

Image analysis trait

Compressed image pixel dimensions

4000 × 2667

3000 × 2000

2000 × 1333

1500 × 1000

1000 × 667

800 × 533

600 × 400

400 × 267

Percent diseased leaf area

1.00

1.00

1.00

1.00

0.99

0.99

0.99

0.98

Lesion number

1.00

1.00

1.00

1.00

0.99

0.99

0.99

0.99