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fast-scnn's Introduction

Namaste ๐Ÿ™

I'm Kshitiz Rimal, a traveler on a path to understand Artificial Intelligence.

  • Founder at Next AI
  • former Senior Data Scientist at Brainly.
  • Google Developers Expert on Machine Learning
  • Certified TensorFlow Developer

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fast-scnn's Issues

Placement of dropout layers

From what I understand, droupout can only benefit the layers after it, since they must predict the same output with a subset of the input. In your implementation, dropout appears after the final conv layer, and is only succeeded by an upsampling and softmax layer (which do not have parameters to learn). It seems more logical to place the dropout layer(s) between the Classification layers i.e at line 110 and 114.

"""## Step 4: Classifier"""
classifier = tf.keras.layers.SeparableConv2D(128, (3, 3), padding='same', strides = (1, 1), name = 'DSConv1_classifier')(ff_final)
classifier = tf.keras.layers.BatchNormalization()(classifier)
classifier = tf.keras.activations.relu(classifier)
classifier = tf.keras.layers.SeparableConv2D(128, (3, 3), padding='same', strides = (1, 1), name = 'DSConv2_classifier')(classifier)
classifier = tf.keras.layers.BatchNormalization()(classifier)
classifier = tf.keras.activations.relu(classifier)
classifier = conv_block(classifier, 'conv', 19, (1, 1), strides=(1, 1), padding='same', relu=True)
classifier = tf.keras.layers.Dropout(0.3)(classifier)
classifier = tf.keras.layers.UpSampling2D((8, 8))(classifier)
classifier = tf.keras.activations.softmax(classifier)

Post result of your implementation plz?

Hi
I trained the network using your code, with the same augmentation author have been used, but the result is very poor.
did you train your code yourself? what was the result?

trained weights

Looks like nice work, could you please post your trained weights?

How to test your code??

Hello sir.

I am testing your code as semantic segmentation algorithm.
As you mention,
On tensorflow 2.0.0 (beta version).
I run your code.

I met this errors.
image

I found that this error can occur on tensorflow 2.0.0.
(please check below site)
tensorflow/benchmarks#300

If you don't mind, please send your sample code (of Fast-SCNN on tensorflow 2.0.0) to me.
([email protected])

Pretrained?

Hello, This looks great! Any chance for pre-trained weights?

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