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ManimML/manim_ml/neural_network/layers/image_to_convolutional3d.py
2022-12-30 21:41:50 -05:00

108 lines
3.7 KiB
Python

import numpy as np
from manim import *
from manim_ml.neural_network.layers.convolutional3d import Convolutional3DLayer
from manim_ml.neural_network.layers.image import ImageLayer
from manim_ml.neural_network.layers.parent_layers import ThreeDLayer, VGroupNeuralNetworkLayer
from manim_ml.gridded_rectangle import GriddedRectangle
class ImageToConvolutional3DLayer(VGroupNeuralNetworkLayer, ThreeDLayer):
"""Handles rendering a convolutional layer for a nn"""
input_class = ImageLayer
output_class = Convolutional3DLayer
def __init__(self, input_layer: ImageLayer, output_layer: Convolutional3DLayer, **kwargs):
super().__init__(input_layer, output_layer, **kwargs)
self.input_layer = input_layer
self.output_layer = output_layer
def make_forward_pass_animation(
self,
run_time=5,
layer_args={},
**kwargs
):
"""Maps image to convolutional layer"""
# Transform the image from the input layer to the
num_image_channels = self.input_layer.num_channels
if num_image_channels == 3:
return self.rbg_image_animation()
elif num_image_channels == 1:
return self.grayscale_image_animation()
else:
raise Exception(f"Unrecognized number of image channels: {num_image_channels}")
def rbg_image_animation(self):
"""Handles animation for 3 channel image"""
image_mobject = self.input_layer.image_mobject
# TODO get each color channel and turn it into an image
# TODO create image mobjects for each channel and transform
# it to the feature maps of the output_layer
raise NotImplementedError()
pass
def grayscale_image_animation(self):
"""Handles animation for 1 channel image"""
animations = []
image_mobject = self.input_layer.image_mobject
target_feature_map = self.output_layer.feature_maps[0]
# Map image mobject to feature map
# Make rotation of image
rotation = ApplyMethod(
image_mobject.rotate,
ThreeDLayer.rotation_angle,
ThreeDLayer.rotation_axis,
image_mobject.get_center(),
run_time=0.5
)
"""
x_rotation = ApplyMethod(
image_mobject.rotate,
ThreeDLayer.three_d_x_rotation,
[1, 0, 0],
image_mobject.get_center(),
run_time=0.5
)
y_rotation = ApplyMethod(
image_mobject.rotate,
ThreeDLayer.three_d_y_rotation,
[0, 1, 0],
image_mobject.get_center(),
run_time=0.5
)
"""
# Set opacity
set_opacity = ApplyMethod(
image_mobject.set_opacity,
0.2,
run_time=0.5
)
# Scale the max of width or height to the
# width of the feature_map
max_width_height = max(image_mobject.width, image_mobject.height)
scale_factor = target_feature_map.rectangle_width / max_width_height
scale_image = ApplyMethod(
image_mobject.scale,
scale_factor,
run_time=0.5
)
# Move the image
move_image = ApplyMethod(
image_mobject.move_to,
target_feature_map
)
# Compose the animations
animation = Succession(
rotation,
scale_image,
set_opacity,
move_image,
)
return animation
def scale(self, scale_factor, **kwargs):
super().scale(scale_factor, **kwargs)
@override_animation(Create)
def _create_override(self, **kwargs):
return AnimationGroup()