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How to further improve validation accuracy in multiclass semantic segmentation
Jan. 27, 2022, 7:11 a.m. | /u/janissary2016
Computer Vision www.reddit.com
Hi.
I am working on this tut. I have improved validation accuracy from 76% to 86% by simply training on the entire dataset: https://keras.io/examples/vision/deeplabv3_plus/
This is a DeepLabv3+ model with ResNet50 backend. I tried to improve accuracy further by augmenting the data during training with this function:
def image_augmentation(img): img = tf.image.random_flip_left_right(img) img = tfa.image.rotate(img, rand_degree())
However, using any augmentation just decreased validation accuracy. For some reason, the model performs better without any augmentation.
I also tried to change the …
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