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Merged
vladtcvs merged 1 commit into from
Sep 15, 2023
Merged

Improve sharpnesss calc #96

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19 changes: 13 additions & 6 deletions src/vstarstack/tool/image_processing/drop_unsharp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,10 @@
def measure_sharpness(img : np.ndarray) -> float:
sx = scipy.ndimage.sobel(img, axis=0, mode='constant')
sy = scipy.ndimage.sobel(img, axis=1, mode='constant')
sobel = np.hypot(sx, sy)
sobel = np.sqrt(sx**2 + sy**2)
metric = np.sum(sobel)
return metric
summ = np.sum(img)
return metric / summ

def measure_sharpness_df(df : vstarstack.library.data.DataFrame) -> float:
metric = 0
Expand Down Expand Up @@ -45,8 +46,14 @@ def run(project : vstarstack.tool.cfg.Project, argv : list[str]):
percent = int(argv[1])
files = vstarstack.tool.common.listfiles(path, ".zip")
fnames = [item[1] for item in files]
good = select_sharpests(fnames, percent)
sharpests = select_sharpests(fnames, percent)
for i,fname in enumerate(sharpests):
basename = os.path.basename(fname)
dirname = os.path.dirname(fname)
basename = "%06i_%s" % (i, basename)
os.rename(fname, os.path.join(dirname, basename))
fnames.remove(fname)

for fname in fnames:
if fname not in good:
print(f"Removing {fname}")
os.remove(fname)
print(f"Removing {fname}")
os.remove(fname)