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overview | ||
install | ||
notebooks/minimal_tutorial | ||
unet_architectures | ||
tutorial | ||
docker | ||
aws | ||
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UNet Models | ||
=========== | ||
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This section explains how to configure and use UNet models in DaCapo. Several configurations for different types of UNet architectures are demonstrated below. | ||
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Overview | ||
-------- | ||
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UNet is a popular architecture for image segmentation tasks, particularly in biomedical imaging. DaCapo provides support for configuring various types of UNet models with customizable parameters. | ||
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Examples | ||
-------- | ||
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Here are some examples of UNet configurations: | ||
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1. **Upsample UNet** | ||
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.. code-block:: python | ||
from dacapo.experiments.architectures import CNNectomeUNetConfig | ||
from funlib.geometry import Coordinate | ||
architecture_config = CNNectomeUNetConfig( | ||
name="upsample_unet", | ||
input_shape=Coordinate(216, 216, 216), | ||
eval_shape_increase=Coordinate(72, 72, 72), | ||
fmaps_in=1, | ||
num_fmaps=12, | ||
fmaps_out=72, | ||
fmap_inc_factor=6, | ||
downsample_factors=[(2, 2, 2), (3, 3, 3), (3, 3, 3)], | ||
constant_upsample=True, | ||
upsample_factors=[(2, 2, 2)], | ||
) | ||
2. **Yoshi UNet** | ||
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.. code-block:: python | ||
yoshi_unet_config = CNNectomeUNetConfig( | ||
name="yoshi-unet", | ||
input_shape=Coordinate(188, 188, 188), | ||
eval_shape_increase=Coordinate(72, 72, 72), | ||
fmaps_in=1, | ||
num_fmaps=12, | ||
fmaps_out=72, | ||
fmap_inc_factor=6, | ||
downsample_factors=[(2, 2, 2), (2, 2, 2), (2, 2, 2)], | ||
constant_upsample=True, | ||
upsample_factors=[], | ||
) | ||
3. **Attention Upsample UNet** | ||
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.. code-block:: python | ||
attention_upsample_config = CNNectomeUNetConfig( | ||
name="attention-upsample-unet", | ||
input_shape=Coordinate(216, 216, 216), | ||
eval_shape_increase=Coordinate(72, 72, 72), | ||
fmaps_in=1, | ||
num_fmaps=12, | ||
fmaps_out=72, | ||
fmap_inc_factor=6, | ||
downsample_factors=[(2, 2, 2), (3, 3, 3), (3, 3, 3)], | ||
constant_upsample=True, | ||
upsample_factors=[(2, 2, 2)], | ||
use_attention=True, | ||
) | ||
4. **2D UNet** | ||
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.. code-block:: python | ||
architecture_config = CNNectomeUNetConfig( | ||
name="2d_unet", | ||
input_shape=(2, 132, 132), | ||
eval_shape_increase=(8, 32, 32), | ||
fmaps_in=2, | ||
num_fmaps=8, | ||
fmaps_out=8, | ||
fmap_inc_factor=2, | ||
downsample_factors=[(1, 4, 4), (1, 4, 4)], | ||
kernel_size_down=[[(1, 3, 3)] * 2] * 3, | ||
kernel_size_up=[[(1, 3, 3)] * 2] * 2, | ||
constant_upsample=True, | ||
padding="valid", | ||
) | ||
5. **UNet with Batch Normalization** | ||
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.. code-block:: python | ||
architecture_config = CNNectomeUNetConfig( | ||
name="unet_norm", | ||
input_shape=Coordinate(216, 216, 216), | ||
eval_shape_increase=Coordinate(72, 72, 72), | ||
fmaps_in=1, | ||
num_fmaps=2, | ||
fmaps_out=2, | ||
fmap_inc_factor=2, | ||
downsample_factors=[(2, 2, 2), (3, 3, 3), (3, 3, 3)], | ||
constant_upsample=True, | ||
upsample_factors=[], | ||
batch_norm=False, | ||
) | ||
Configuration Parameters | ||
------------------------ | ||
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- **name**: A unique identifier for the configuration. | ||
- **input_shape**: The shape of the input data. | ||
- **eval_shape_increase**: Increase in shape during evaluation. | ||
- **fmaps_in**: Number of input feature maps. | ||
- **num_fmaps**: Number of feature maps in the first layer. | ||
- **fmaps_out**: Number of output feature maps. | ||
- **fmap_inc_factor**: Factor by which feature maps increase in each layer. | ||
- **downsample_factors**: Factors by which the input is downsampled at each layer. | ||
- **upsample_factors**: Factors by which the input is upsampled at each layer. | ||
- **constant_upsample**: Whether to use constant upsampling. | ||
- **use_attention**: Whether to use attention mechanisms. | ||
- **batch_norm**: Whether to use batch normalization. | ||
- **padding**: Padding mode for convolutional layers. | ||
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This page should serve as a reference for configuring UNet models in DaCapo. Adjust the parameters as per your dataset and task requirements. |