A Data-centric Approach to Class-specific Bias in Image Data Augmentation: Appendices A-L



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:::info Authors:

(1) Athanasios Angelakis, Amsterdam University Medical Center, University of Amsterdam – Data Science Center, Amsterdam Public Health Research Institute, Amsterdam, Netherlands

(2) Andrey Rass, Den Haag, Netherlands.

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Appendices

Appendix A: Image dimensions (in pixels) off training images after being randomly cropped and before being resized

[32×32, 31×31, 30×30,

29×29, 28×28, 27×27,

26×26, 25×25, 24×24,

22×22, 21×21, 20×20,

19×19, 18×18, 17×17,

16×16, 15×15, 14×14,

13×13, 12×12, 11×11,

10×10, 9×9, 8×8,

6×6,5×5, 4×4, 3×3]

Appendix B: Dataset samples corresponding to the Fashion-MNIST segment used in training

Appendix C: Dataset samples corresponding to the CIFAR-10 segment used in training

Appendix D: Dataset samples corresponding to the CIFAR-100 segment used in training

Appendix E: Full collection of class accuracy plots for CIFAR-100

\ (a) The results in all figures employ official ResNet50 models from Tensorflow trained from scratch on the CIFAR-100 dataset with random crop data augmentation applied. All results in this figure are averaged over 4 runs. During training, the proportion of the original image obscured by the augmentation varies from 100% to 10%. We observe The vertical dotted lines denote the best test accuracy for every class.

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\ (a) The results in all figures employ official ResNet50 models from Tensorflow trained from scratch on the CIFAR-100 dataset with random crop and random horizontal flip data augmentations applied. All results in this figure are averaged over 4 runs. During training, the proportion of the original image obscured by the augmentation varies from 100% to 10%. We observe The vertical dotted lines denote the best test accuracy for every class.

Appendix F: Full collection of best test performances for CIFAR100

Without Random Horizontal Flip:

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\ With Random Horizontal Flip

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Appendix G: Per-class and overall test set performances samples for the Fashion-MNIST + ResNet50 + Random Cropping + Random Horizontal Flip experiment

Appendix H: Per-class and overall test set performances samples for the CIFAR-10 + ResNet50 + Random Cropping + Random Horizontal Flip experiment

Appendix I: Per-class and overall test set performances samples for the Fashion-MNIST + EfficientNetV2S + Random Cropping + Random Horizontal Flip experiment

Appendix J: Per-class and overall test set performances samples for the Fashion-MNIST + ResNet50 + Random Cropping experiment

Appendix K: Per-class and overall test set performances samples for the CIFAR-10 + ResNet50 + Random Cropping experiment

Appendix L: Per-class and overall test set performances samples for the Fashion-MNIST + SWIN Transformer + Random Cropping + Random Horizontal Flip experiment

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:::info This paper is available on arxiv under CC BY 4.0 DEED license.

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This content originally appeared on HackerNoon and was authored by Computational Technology for All