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License: MIT License
Detect and fix skew in images containing text
License: MIT License
Hi,
I tried deskewing the image, but the program gave following error:
'
line 32, in deskew
rot_angle = 90 + angle + self.r_angle
TypeError: ufunc 'add' did not contain a loop with signature matching types dtype('S46') dtype('S46') dtype('S46')
'
Can you help me figure out the source??
The current setup breaks with Python3. Work out a way to make this compatible with Python3.
In sd.run()
I am getting following error.
alyn-test/myenv/local/lib/python2.7/site-packages/skimage/io/_io.py:49: UserWarning: `as_grey` has been deprecated in favor of `as_gray`
warn('`as_grey` has been deprecated in favor of `as_gray`')
When I install Alyn on ubuntu16.04 via pip3,then I type a import alyn,I get the following message:
import alyn
Traceback (most recent call last):
File "", line 1, in
File "/usr/local/lib/python3.5/dist-packages/alyn-0.1.1-py3.5.egg/alyn/init.py", line 2, in
ImportError: No module named 'deskew'
can you help me figure out where is the problem?
I can`t get how you are calculating the angle of deviation, and why do we we calculate the average??
My concern is skew_detect only and I installed this software via pip.
But there is no command installed. How can I use this?
I git-clone this repo and run skew_detect.py but it requires python-tk. Because I should run this server there is no GUI. Why does it depend on python-tk? The dependency is strange to me.
I used following commands to deskew input image
------python skew_detect.py -i 146_b.bmp
------./deskew.py -i 146_b.bmp -d Yes -o test.bmp -r 80
deskew.py line 1: Deskews file after getting angle: command not found
Hi,
I have already pip installed alyn but it seems to still not be able to detect the alyn package. "import alyn" cannot work either. What should I do to fix this?
Hello,
I did some experiments and it looks like this method can't detect skews below one degree. Could you confirm this?
This is the output for the testing image (I manually introduced a skew of -0.5°):
Angle bins: [[0.50279329608938206, 0.50279329608938206], [90.0, 90.0, 90.0, 90.0, 90.0, 90.0, 90.0, 90.0, 90.0, 90.0, 88.994413407821213, 90.0, 90.0, 88.994413407821213], [], [-88.994413407821227, -88.994413407821227, -88.994413407821227, -88.994413407821227]]
Estimated Angle: 90.0
Average Deviation from pi/4: 44.6480446927
This is the ouput with a non skewed image:
Image File: c:\users\dturato\appdata\local\temp\1\tmp7u2snw.png
Angle bins: [[], [90.0, 90.0, 90.0, 90.0, 90.0], [], []]
Estimated Angle: 90.0
Average Deviation from pi/4: 45.0
So it looks like is detecting something, but it is someway lost in the final computation of the angle single value.
I have applied skew_detect and skew_correction on given image but its showing incorrect result. In image rectangle and text is not aligned properly.
I install alyn module via pip, but pycharm shows that there are no deskew method and skewdetect method?
Hi Folks,
does anybody know which is the original repository?
https://github.com/sbrunner/deskew
or
https://github.com/kakul/Alyn
Best regards
Sascha
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