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Split LDR images set using capture time

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This commit is contained in:
Vincent Demoulin 2025-02-26 07:57:54 +01:00
parent 550f685c07
commit 741b554470
3 changed files with 66 additions and 3 deletions
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23
meshroom/nodes/aliceVision/LdrToHdrSampling.py
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@ -258,9 +258,15 @@ Sample pixels from Low range images for HDR creation.
node.nbBrackets.value = 1
return
# Get timestamp
ymdhms = findMetadata(d, ["Exif:DateTimeOriginal", "DateTimeOriginal", "DateTime", "Date Time", "Create Date", "ctime"], "")
timestamp = -1
if ymdhms != "":
timestamp = LdrToHdrSampling.getTimestamp(ymdhms)
exposure = LdrToHdrSampling.getExposure((float(fnumber), float(shutterSpeed), float(iso)))
obj = avhdr.LuminanceInfo(viewpoint.viewId.value,viewpoint.path.value, exposure)
obj = avhdr.LuminanceInfo(viewpoint.viewId.value,viewpoint.path.value, exposure, timestamp)
inputs.append(obj)
obj = avhdr.estimateGroups(inputs)
@ -282,3 +288,18 @@ Sample pixels from Low range images for HDR creation.
fnumber, shutterSpeed, iso = exp
obj = avsfmdata.ExposureSetting(shutterSpeed, fnumber, iso)
return obj.getExposure()
@staticmethod
def getTimestamp(ymdhms):
import re
timecode = -1
if re.search("([\d]+):([\d]+):([\d]+) ([\d]+):([\d]+):([\d]+)", ymdhms) != None:
t = re.findall("([\d]+)(:| |)", ymdhms)
years = int(t[0][0])
months = int(t[1][0])
days = int(t[2][0])
hours = int(t[3][0])
minutes = int(t[4][0])
seconds = int(t[5][0])
timecode = ((((((((years * 12) + months) * 31) + days) * 24) + hours) * 60) + minutes) * 60 + seconds
return timecode