资源简介
主要是用于去除雨点的代码,效果非常好,是用python写的
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代码片段和文件信息
import torch
import torch.nn.functional as F
from torch.autograd import Variable
import numpy as np
from math import exp
def gaussian(window_size sigma):
gauss = torch.Tensor([exp(-(x - window_size//2)**2/float(2*sigma**2)) for x in range(window_size)])
return gauss/gauss.sum()
def create_window(window_size channel):
_1D_window = gaussian(window_size 1.5).unsqueeze(1)
_2D_window = _1D_window.mm(_1D_window.t()).float().unsqueeze(0).unsqueeze(0)
window = Variable(_2D_window.expand(channel 1 window_size window_size).contiguous())
return window
def _ssim(img1 img2 window window_size channel size_average = True):
mu1 = F.conv2d(img1 window padding = window_size//2 groups = channel)
mu2 = F.conv2d(img2 window padding = window_size//2 groups = channel)
mu1_sq = mu1.pow(2)
mu2_sq = mu2.pow(2)
mu1_mu2 = mu1*mu2
sigma1_sq = F.conv2d(img1*img1 window padding = window_size//2 groups = channel) - mu1_sq
sigma2_sq = F.conv2d(img2*img2 window padding = window_size//2 groups = channel) - mu2_sq
sigma12 = F.conv2d(img1*img2 window padding = window_size//2 groups = channel) - mu1_mu2
C1 = 0.01**2
C2 = 0.03**2
ssim_map = ((2*mu1_mu2 + C1)*(2*sigma12 + C2))/((mu1_sq + mu2_sq + C1)*(sigma1_sq + sigma2_sq + C2))
if size_average:
return ssim_map.mean()
else:
return ssim_map.mean(1).mean(1).mean(1)
class SSIM(torch.nn.Module):
def __init__(self window_size = 11 size_average = True):
super(SSIM self).__init__()
self.window_size = window_size
self.size_average = size_average
self.channel = 3
self.window = create_window(window_size self.channel)
def forward(self img1 img2):
(_ channel _ _) = img1.size()
if channel == self.channel and self.window.data.type() == img1.data.type():
window = self.window
else:
window = create_window(self.window_size channel)
if img1.is_cuda:
window = window.cuda(img1.get_device())
window = window.type_as(img1)
self.window = window
self.channel = channel
return _ssim(img1 img2 window self.window_size channel self.size_average)
def ssim(img1 img2 window_size = 11 size_average = True):
(_ channel _ _) = img1.size()
window = create_window(window_size channel)
if img1.is_cuda:
window = window.cuda(img1.get_device())
window = window.type_as(img1)
return _ssim(img1 img2 window window_size channel size_average)
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
目录 0 2018-07-27 07:55 RESCAN-master\
文件 1203 2018-07-27 07:55 RESCAN-master\.gitignore
文件 1065 2018-07-27 07:55 RESCAN-master\LICENSE
文件 3686 2018-07-27 07:55 RESCAN-master\README.md
目录 0 2018-07-27 07:55 RESCAN-master\config\
文件 2635 2018-07-27 07:55 RESCAN-master\config\cal_ssim.py
文件 96 2018-07-27 07:55 RESCAN-master\config\clean.sh
文件 4336 2018-07-27 07:55 RESCAN-master\config\dataset.py
文件 7086 2018-07-27 07:55 RESCAN-master\config\main.py
文件 6194 2018-07-27 07:55 RESCAN-master\config\model.py
文件 742 2018-07-27 07:55 RESCAN-master\config\settings.py
文件 2605 2018-07-27 07:55 RESCAN-master\config\show.py
文件 233 2018-07-27 07:55 RESCAN-master\config\tensorboard.sh
目录 0 2018-07-27 07:55 RESCAN-master\docs\
文件 1 2018-07-27 07:55 RESCAN-master\docs\index.html
文件 180 2018-07-27 07:55 RESCAN-master\explore.sh
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