def GFR_extract(path, quality="auto", rotations=32):
if quality=="auto":
try:
p=subprocess.Popen("identify -format '%Q' "+path, \
stdout=subprocess.PIPE, shell=True)
quality, err = p.communicate()
status = p.wait()
except:
quality = 95
# suppoted qualities
q = numpy.array([75, 85, 95])
params = {
"rotations": rotations,
"quality": q[numpy.argmin(numpy.abs(q-int(quality)))]
}
#print params
im=Image.open(path)
if im.mode in ['RGB', 'RGBA', 'RGBX']:
params["channel"] = 1
C1 = _extract('GFR', path, params)
params["channel"] = 2
C2 = _extract('GFR', path, params)
params["channel"] = 3
C3 = _extract('GFR', path, params)
X = numpy.hstack((C1, C2, C3))
return X
else:
return _extract('GFR', path, params)
def SRM_extract(path):
im=Image.open(path)
if im.mode in ['RGB', 'RGBA', 'RGBX']:
C1 = _extract('SRM', path, params={"channel":1})
C2 = _extract('SRM', path, params={"channel":2})
C3 = _extract('SRM', path, params={"channel":3})
X = numpy.hstack((C1, C2, C3))
return X
else:
return _extract('SRM', path)
def HILL_MAXSRM_extract(path):
return _extract('HILL_MAXSRM', path)
def HILL_sigma_spam_PSRM_extract(path):
return _extract('HILL_sigma_spam_PSRM', path)
def SCRMQ1_extract(path):
return _extract('SCRMQ1', path)