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View Code? Open in Web Editor NEWImplemention of FCN-8 and FCN-16 with Keras and uses CRF as post processing
License: MIT License
Implemention of FCN-8 and FCN-16 with Keras and uses CRF as post processing
License: MIT License
I want to use CRF.ipynb to post processing, I got an issue: module 'pydensecrf.densecrf' has no attribute 'DenseCRF2D'.
(before that :pip install pydensecrf)
Hello,can you tell me how i can get the pascal-fcn16s-dag.mat which is used in fcn_16.ipynb
I tried running your code but I always come across an error that says weights.h5 cannot be found. I downloaded another weights file, but using that shows another error saying "you are trying to load a 0 layer model into a 19 layer model". Upon further digging I found out that this has something to do with the version of keras being used.
So my questions are:
Thank you
Hello, Thanks for sharing the code. But I have a question, why do I use the CRF code to come out like this?
PS: My train image data is three channel image. And my prediction image is already colored three-channel image data. I used the CRF function to pass in the original image, the colored image and the output image, I don't know if it's a mistake?
fcn16_model.load_weights('weights.h5'),Please explain the document 'weights.h5'
I just know the basics of neural networks, I tried understanding the paper. Can you give me some links to better understand the same?
ValueError: Buffer has wrong number of dimensions (expected 3, got 2)
Hello, thanks for your work, I have tried to rewrite your network using PyTorch, but what I got from the network is a coarse image where I can only see the profile of my segmentation object, would you like to tell me where I was wrong, thanks!
my model code is like this:
import torchvision.models as models
import torch.nn as nn
import torch.nn.functional as F
# referred to this site: https://github.com/Gurupradeep/FCN-for-Semantic-Segmentation
class MyFCN(nn.Module):
def __init__(self):
super().__init__()
model = models.vgg16(pretrained=True)
self.backbone_third = model.features[:17] # (256, 28, 28) third pooling before conv layer
self.backbone_fourth = model.features[:24] # (512, 14, 14) fourth pooling before conv layer
self.backbone_fifth = model.features[:31] # (512, 7, 7) final pooling before conv layer
self.conv_256_1 = nn.Sequential(
nn.Conv2d(256, 1, (1, 1), 1),
)
self.conv_512_1 = nn.Sequential(
nn.Conv2d(512, 1, (1, 1), 1),
)
# fc6
self.conv_512_4096 = nn.Sequential(
nn.Conv2d(512, 4096, (7, 7), 1, 3),
nn.ReLU(inplace=True),
)
# fc7
self.conv_4096_4096 = nn.Sequential(
nn.Conv2d(4096, 4096, (1, 1), 1),
nn.ReLU(inplace=True),
)
# score_fr
self.conv_4096_1 = nn.Sequential(
nn.Conv2d(4096, 1, (1, 1), 1),
nn.ReLU(inplace=True),
)
# score_2 for 7=>14 and 14=>28
self.conv_transpose = nn.Sequential(
nn.ConvTranspose2d(1, 1, (4, 4), 2),
)
# final upsample
self.conv_transpose_8 = nn.Sequential(
nn.ConvTranspose2d(1, 1, (16, 16), 8),
)
def forward(self, x):
x_from_pooling_3 = self.backbone_third(x)
x_from_pooling_4 = self.backbone_fourth(x)
x_from_pooling_5 = self.backbone_fifth(x)
# pooling 3
x_3 = self.conv_256_1(x_from_pooling_3)
# pooling 4
x_4 = self.conv_512_1(x_from_pooling_4) # (1, 1, 14, 14)
# pooling 5
x_5 = self.conv_512_4096(x_from_pooling_5) # (1, 4096, 7, 7)
x_5 = self.conv_4096_4096(x_5) # (1, 4096, 7, 7)
x_5 = self.conv_4096_1(x_5) # (1, 1, 7, 7)
x_5 = self.conv_transpose(x_5) # (1, 1, 16, 16)
x_5 = F.pad(x_5, (-1, -1, -1, -1)) # crop layer, (1, 1, 14, 14)
# fusing x_4
x_fused_1 = x_4 + x_5 # (1, 1, 14, 14)
x_fused_1 = self.conv_transpose(x_fused_1) # (1, 1, 30, 30)
x_fused_1 = F.pad(x_fused_1, (-1, -1, -1, -1)) # crop layer, (1, 1, 28, 28)
# fusing x_3
x_fused_2 = x_3 + x_fused_1
x_fused_2 = self.conv_transpose_8(x_fused_2) # (1, 1, 232, 232)
x_fused_2 = F.pad(x_fused_2, (-4, -4, -4, -4)) # crop layer (1, 1, 224, 224)
return x_fused_2
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