mirror-github-bspeice/cuburn
1
0
Fork 0
mirror of https://github.com/stevenrobertson/cuburn.git synced 2025-02-05 11:40:04 -05:00
Code Issues Actions Packages Projects Releases Wiki Activity

A fake log filter stage while I work on other stuff

Browse Source
This commit is contained in:
Steven Robertson 2010-09-12 02:32:03 -04:00
parent c13f6a06cf
commit ce0571deaf
1 changed files with 10 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
main.py
View File

@ -40,11 +40,16 @@ def main(args):
anim = Animation(genomes)
anim.compile()
bins = anim.render_frame()
#bins = np.log2(bins + 1)
alpha = [bins[y][x][3] for x in range(anim.features.hist_width)
for y in range(anim.features.hist_height)]
print sum(alpha)
bins *= (512./(np.mean(alpha)+1e-9))
# Embarrassingly poor (and s-l-o-w) approximation of log filtering, because
# I want to keep working on performance right now
alpha = np.array([[bins[y][x][3] for x in range(anim.features.hist_width)]
for y in range(anim.features.hist_height)])
k2ish = (256./(np.mean(alpha)+1e-9))
lses = 20 * np.log2(1.0 + alpha * k2ish) / (alpha+1e-6)
for x in range(anim.features.hist_width):
for y in range(anim.features.hist_height):
bins[y][x] *= lses[y][x]
bins = np.minimum(bins, 255)
bins = bins.astype(np.uint8)