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Nathaniel Callens
Image Compression
Commits
2838647d
Commit
2838647d
authored
Jan 27, 2022
by
Kelly Chang
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Merge branch 'master' of
https://git.elphel.com/nathaniel/image-compression
parents
33e09db3
789098e3
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1
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compress_start.py
compress_start.py
+29
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compress_start.py
View file @
2838647d
...
...
@@ -41,31 +41,37 @@ def image_extractor(scenes):
images
.
append
(
os
.
path
.
join
(
folder
,
im
))
return
images
#returns a list of file paths to .tiff files in the specified directory given in file_extractor
def
im_distribution
(
images
):
tiff0
=
[]
tiff1
=
[]
tiff2
=
[]
tiff3
=
[]
def
im_distribution
(
images
,
num
):
"""
Function that extracts tiff files from specific cameras and returns a list of all
the tiff files corresponding to that camera. i.e. all pictures labeled "_7.tiff" or otherwise
specified camera numbers.
Parameters:
images (list): list of all tiff files, regardless of classification. This is NOT a list of directories but
of specific tiff files that can be opened right away. This is the list that we iterate through and
divide.
num (str): a string designation for the camera number that we want to extract i.e. "14" for double digits
of "_1" for single digits.
Returns:
tiff (list): A list of tiff files that have the specified designation from num. They are the files extracted
from the 'images' list that correspond to the given num.
"""
tiff
=
[]
for
im
in
images
:
if
im
[
-
7
:
-
6
]
==
num
:
tiff
.
append
(
im
)
return
tiff
files
=
os
.
listdir
(
"images"
)
scenes
=
[]
for
file
in
files
:
scene
=
os
.
path
.
join
(
"images"
,
file
)
sc
=
os
.
listdir
(
scene
)
for
s
in
sc
:
if
s
[
-
6
]
==
'0'
:
tiff0
.
append
(
os
.
path
.
join
(
scene
,
s
))
elif
s
[
-
6
]
==
'1'
:
tiff1
.
append
(
os
.
path
.
join
(
scene
,
s
))
elif
s
[
-
6
]
==
'2'
:
tiff2
.
append
(
os
.
path
.
join
(
scene
,
s
))
elif
s
[
-
6
]
==
'3'
:
tiff3
.
append
(
os
.
path
.
join
(
scene
,
s
))
cameras
=
[
tiff0
,
tiff1
,
tiff2
,
tiff3
]
im
=
Image
.
open
(
tiff0
[
0
])
im
=
np
.
array
(
im
)[
1
:,:]
print
(
im
)
def
plot_hist
(
tiff_list
):
"""
This function is the leftovers from the first attempt to plot histograms.
As it stands it needs some work in order to function again. We will
fix this later. 1/25/22
"""
jj
=
0
fig
,
axs
=
plt
.
subplots
(
nrows
=
2
,
ncols
=
2
,
figsize
=
(
15
,
12
))
for
cam
,
ax
in
zip
(
cameras
,
axs
.
ravel
()):
...
...
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