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Elphel
image-compression
Commits
c7c32277
Project 'Elphel/master' was moved to 'Elphel/image-compression'. Please update any links and bookmarks that may still have the old path.
Commit
c7c32277
authored
Jul 08, 2022
by
Bryce Hepner
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testing on gaussian blur, not good
parent
96e5883b
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3
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3 changed files
with
37 additions
and
42 deletions
+37
-42
Remove_Noise.py
Remove_Noise.py
+35
-41
WorkingPyDemo.py
WorkingPyDemo.py
+2
-1
second_dic.npy
second_dic.npy
+0
-0
No files found.
Remove_Noise.py
View file @
c7c32277
from
audioop
import
mul
from
matplotlib.image
import
composite_images
from
WorkingPyDemo
import
*
from
scipy.ndimage.filters
import
gaussian_filter
import
paramiko
from
PIL
import
ImageFilter
from
scipy.signal
import
convolve2d
from
scipy.stats
import
multivariate_normal
from
skimage.restoration
import
wiener
def
setup_remote_sftpclient
():
client
=
paramiko
.
SSHClient
()
client
.
load_system_host_keys
()
...
...
@@ -175,14 +177,14 @@ def save_new_gauss():
creates gaussian kernel with side length `l` and a sigma of `sig`
"""
# x,y = np.mgrid[-1:1:.003125, -1:1:.003125]
x
,
y
=
np
.
mgrid
[
-
1
:
1
:
.
003911
,
-
1
:
1
:
.003911
]
#
print(x.shape)
x
,
y
=
np
.
mgrid
[
-
1
:
1
:
.
44
,
-
1
:
1
:
.44
]
print
(
x
.
shape
)
pos
=
np
.
dstack
((
x
,
y
))
# grid = np.zeros((l,l))
# gauss = np.exp(-0.5 * np.square(ax) / np.square(sig))
from
scipy.stats
import
multivariate_normal
# normal_grid = multivariate_normal.pdf(grid, mean = [0]*l, cov = [5]*l)
normal_grid
=
multivariate_normal
([
0
,
0
],
[[
2.0
,
0.3
],
[
0.3
,
0.5
]])
.
pdf
(
pos
)
normal_grid
=
multivariate_normal
([
0
,
0
],
[[
1.1
,
5
],
[
2
,
1
]])
.
pdf
(
pos
)
normal_grid
=
normal_grid
/
np
.
sum
(
normal_grid
)
end_image
=
Image
.
fromarray
(
normal_grid
)
# fig2 = plt.figure()
...
...
@@ -191,43 +193,18 @@ def save_new_gauss():
# plt.show()
# print(np.sum(np.array(end_image)))
end_image
.
save
(
"gaussian_kernel.tiff"
)
def
little_inverter
(
initial_matrix
):
n
=
initial_matrix
.
shape
[
0
]
initial_matrix
=
np
.
hstack
((
initial_matrix
,
np
.
zeros_like
(
initial_matrix
)))
print
(
initial_matrix
.
shape
)
initial_matrix
=
initial_matrix
.
tolist
()
for
i
in
range
(
n
):
for
j
in
range
(
n
):
if
i
==
j
:
initial_matrix
[
i
][
j
+
n
]
=
1
# Applying Guass Jordan Elimination
for
i
in
range
(
n
):
if
initial_matrix
[
i
][
i
]
==
0.0
:
sys
.
exit
(
'Divide by zero detected!'
)
for
j
in
range
(
n
):
if
i
!=
j
:
ratio
=
initial_matrix
[
j
][
i
]
/
initial_matrix
[
i
][
i
]
for
k
in
range
(
2
*
n
):
initial_matrix
[
j
][
k
]
=
initial_matrix
[
j
][
k
]
-
ratio
*
initial_matrix
[
i
][
k
]
# Row operation to make principal diagonal element to 1
for
i
in
range
(
n
):
divisor
=
initial_matrix
[
i
][
i
]
for
j
in
range
(
2
*
n
):
initial_matrix
[
i
][
j
]
=
initial_matrix
[
i
][
j
]
/
divisor
return
np
.
array
(
initial_matrix
)[:,
n
:]
if
__name__
==
"__main__"
:
# save_new_average(350,"11")
save_new_gauss
()
# save_new_gauss()
gaussian_kernel
=
np
.
array
(
Image
.
open
(
"gaussian_kernel.tiff"
))
# gaussian_kernel = np.array([[-1, -1, -1], [-1, 8, -1], [-1, -1, -1]])
scenes
=
remote_file_extractor
(
"/media/elphel/NVME/lwir16-proc/te0607/scenes/"
)
images
=
remote_image_extractor
(
scenes
)
images
=
find_only_in_channel
(
images
,
"11"
)
# average_image = np.array(Image.open("Average_On_Channel(" + "11" + ").tiff"))
# create_testable_images(images,"11",
6
)
# create_testable_images(images,"11",
3
)
# plt.imshow(color_adjust(average_image),cmap='gray',vmin = 0, vmax=1)
# plt.show()
...
...
@@ -238,15 +215,32 @@ if __name__ == "__main__":
sftp_client
=
setup_remote_sftpclient
()
# print(len(images))
# print(images[10000])
test_image
=
sftp_client
.
open
(
images
[
47
00
])
test_image
=
sftp_client
.
open
(
images
[
100
00
])
test_image
=
Image
.
open
(
test_image
)
test_image
=
np
.
array
(
test_image
)[
1
:]
# print(test_image)
plt
.
subplot
(
121
)
plt
.
imshow
(
color_adjust
(
adjust_to_original
(
test_image
,
average_image
)),
cmap
=
'gray'
,
vmin
=
0
,
vmax
=
1
)
plt
.
show
()
little_more_blurred
=
gaussian_kernel
@
adjust_to_original
(
test_image
,
average_image
)
print
(
little_inverter
(
gaussian_kernel
)
@
gaussian_kernel
)
plt
.
imshow
(
color_adjust
(
little_inverter
(
gaussian_kernel
)
@
little_more_blurred
),
cmap
=
'gray'
,
vmin
=
0
,
vmax
=
1
)
plt
.
subplot
(
122
)
# plt.show()
# print(gaussian_kernel)
little_more_blurred
=
convolve2d
(
np
.
pad
(
test_image
,
2
,
mode
=
'edge'
),
gaussian_kernel
,
"valid"
)
# print(little_more_blurred)
print
(
little_more_blurred
.
shape
)
# print(little_inverter(gaussian_kernel)@gaussian_kernel)
altered_image
=
Image
.
fromarray
(
little_more_blurred
.
astype
(
np
.
uint16
))
altered_image
.
save
(
"averaged_images("
+
"11"
+
")/innerfolder"
+
"/testable.tiff"
)
plt
.
imshow
(
color_adjust
(
little_more_blurred
[
3
:
-
3
,
3
:
-
3
]),
cmap
=
'gray'
,
vmin
=
0
,
vmax
=
1
)
# plt.show()
# renewed_array =
# H = fft(kernel)
# deconvolved = np.real(ifft(fft(signal)*np.conj(H)/(H*np.conj(H) + lambd**2)))
back_to_normal
=
wiener
(
little_more_blurred
,
gaussian_kernel
,
.02
,
clip
=
False
)
# print(back_to_normal)
# print(back_to_normal.shape)
# plt.imshow(color_adjust(back_to_normal), cmap='gray',vmin = 0, vmax=1)
plt
.
show
()
# newimage = Image.fromarray(test_image - average_image)
# newimage.save("NoInterference.tiff")
...
...
@@ -262,4 +256,4 @@ if __name__ == "__main__":
last_image
=
Image
.
open
(
"NoInterference.tiff"
)
# plt.imshow(color_adjust(np.array(last_image)),cmap='gray',vmin = 0, vmax=1)
# plt.show()
\ No newline at end of file
# plt.show()
WorkingPyDemo.py
View file @
c7c32277
...
...
@@ -11,6 +11,7 @@ import numpy.linalg as la
from
time
import
time
from
time
import
sleep
import
tifffile
as
tiff
folder_name
=
"images"
outputlocation
=
""
...
...
@@ -514,7 +515,7 @@ def text_to_tiff(filename, list_dic, bins):
if
__name__
==
"__main__"
:
scenes
=
file_extractor
(
"
original
_images(11)"
)
scenes
=
file_extractor
(
"
averaged
_images(11)"
)
images
=
image_extractor
(
scenes
)
newnamesforlater
=
[]
list_dic
,
bins
=
make_dictionary
(
images
,
4
,
False
)
...
...
second_dic.npy
View file @
c7c32277
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