Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Optimize ImageStat.Stat.extrema #7593

Merged
merged 5 commits into from Dec 6, 2023
Merged

Optimize ImageStat.Stat.extrema #7593

Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
1b8f9d3
Optimize ImageStat.Stat._getextrema function
florath Dec 1, 2023
7762dd3
Fixed spacing in _getextrema method
florath Dec 1, 2023
96fe0a1
Merge branch 'main' into ImageStat_getextrema_opt
radarhere Dec 2, 2023
ac47b75
Update src/PIL/ImageStat.py
florath Dec 4, 2023
ed03954
Merge branch 'main' into ImageStat_getextrema_opt
florath Dec 5, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
13 changes: 8 additions & 5 deletions src/PIL/ImageStat.py
View file
Open in desktop
Expand Up @@ -51,13 +51,16 @@ def _getextrema(self):
"""Get min/max values for each band in the image"""

def minmax(histogram):
n = 255
x = 0
res_min, res_max = 255, 0
for i in range(256):
if histogram[i]:
n = min(n, i)
x = max(x, i)
return n, x # returns (255, 0) if there's no data in the histogram
res_min = i
break
for i in range(255, -1, -1):
if histogram[i]:
res_max = i
break
return res_min, res_max

return [minmax(self.h[i:]) for i in range(0, len(self.h), 256)]

Expand Down