def __init__(self, file):
mediainfo.ImageInfo.__init__(self)
self.iptc = None
self.mime = 'image/png'
self.type = 'PNG image'
self.valid = 1
signature = file.read(8)
if (signature != PNGSIGNATURE):
self.valid = 0
return
self.meta = {}
while self._readChunk(file):
pass
if len(self.meta.keys()):
self.appendtable('PNGMETA', self.meta)
for key, value in self.meta.items():
if key.startswith('Thumb:') or key == 'Software':
setattr(self, key, value)
if not key in self.keys:
self.keys.append(key)
ImageInfo.add(file.name, self)
return
def getDatasetFromFile(path):
'''
读取数据库中图片，生成训练集和测试集特征点向量
:param path: 数据库路径
:return: 训练集特征点向量，测试集特征点向量
'''
dirs = os.listdir(path)
imgTrainSet = []
imgTestSet = []
label = 0
feature_set = np.float32([]).reshape(0, 128)
for dir in dirs:
files = os.listdir(path + "/" + dir)
#files.remove("Thumbs.db")
for i in range(150):
img = cv2.imread(path + "/" + dir + "/" + files[i])
img_info = ImageInfo.ImageInfo(img, label)
img_info.getImgFeature()
img_info.normalizeSIFT()
imgTrainSet.append(img_info)
feature_set = np.append(feature_set, img_info.descriptors, axis=0)
for i in range(150, len(files)):
img = cv2.imread(path + "/" + dir + "/" + files[i])
img_info = ImageInfo.ImageInfo(img, label)
img_info.getImgFeature()
img_info.normalizeSIFT()
imgTestSet.append(img_info)
label += 1
np.save("feature_set.npy", feature_set)
return imgTrainSet, imgTestSet
def __init__(self, file):
mediainfo.ImageInfo.__init__(self)
self.iptc = None
self.mime = "image/png"
self.type = "PNG image"
self.valid = 1
signature = file.read(8)
if signature != PNGSIGNATURE:
self.valid = 0
return
self.meta = {}
while self._readChunk(file):
pass
if len(self.meta.keys()):
self.appendtable("PNGMETA", self.meta)
for key, value in self.meta.items():
if key.startswith("Thumb:") or key == "Software":
setattr(self, key, value)
if not key in self.keys:
self.keys.append(key)
ImageInfo.add(file.name, self)
return
def __init__(self,file):
mediainfo.ImageInfo.__init__(self)
iptc_info = None
self.mime = 'image/jpeg'
self.type = 'jpeg image'
self.valid = 1
if file.read(2) != '\xff\xd8':
self.valid = 0
return
file.seek(-2,2)
if file.read(2) != '\xff\xd9':
# Normally an JPEG should end in ffd9. This does not however
# we assume it's an jpeg for now
mediainfo._debug("Wrong encode found for jpeg")
file.seek(2)
app = file.read(4)
self.meta = {}
while (len(app) == 4):
(ff,segtype,seglen) = struct.unpack(">BBH", app)
if ff != 0xff: break
_debug("SEGMENT: 0x%x%x, len=%d" % (ff,segtype,seglen))
if segtype == 0xd9:
break
elif SOF.has_key(segtype):
data = file.read(seglen-2)
(precision,self.height,self.width,num_comp) = struct.unpack('>BHHB', data[:6])
#_debug("H/W: %i / %i" % (self.height, self.width))
elif segtype == 0xed:
app = file.read(seglen-2)
iptc_info = IPTC.flatten(IPTC.parseiptc(app))
break
elif segtype == 0xe7:
# information created by libs like epeg
data = file.read(seglen-2)
if data.count('\n') == 1:
key, value = data.split('\n')
self.meta[key] = value
else:
file.seek(seglen-2,1)
app = file.read(4)
file.seek(0)
exif_info = EXIF.process_file(file)
if exif_info:
self.setitem( 'date', exif_info, 'Image DateTime', True )
self.setitem( 'artist', exif_info, 'Image Artist', True )
self.setitem( 'hardware', exif_info, 'Image Model', True )
self.setitem( 'software', exif_info, 'Image Software', True )
self.setitem( 'thumbnail', exif_info, 'JPEGThumbnail', True )
self.appendtable( 'EXIF', exif_info )
if iptc_info:
self.setitem( 'title', iptc_info, 517, True )
self.setitem( 'date' , iptc_info, 567, True )
self.setitem( 'comment', iptc_info, 617, True )
self.setitem( 'keywords', iptc_info, 537, True )
self.setitem( 'artist', iptc_info, 592, True )
self.setitem( 'country', iptc_info, 612, True )
self.setitem( 'caption', iptc_info, 632, True )
self.appendtable( 'IPTC', iptc_info )
if len(self.meta.keys()):
self.appendtable( 'JPGMETA', self.meta )
for key, value in self.meta.items():
if key.startswith('Thumb:') or key == 'Software':
setattr(self, key, value)
if not key in self.keys:
self.keys.append(key)
ImageInfo.add(file.name, self)
return
"tgt_name":"", "tgt_exif":"", "tgt_created":"", "tgt_modified":"", "tgt_accessed":""}
# file_info = {}
ignore = "N"
log_msg = ""
log_level = "info"
f_name = os.path.splitext(f)[0]
f_ext = os.path.splitext(f)[1]
f_file = f
f_path = os.path.join(path, f_file)
# file type
if os.path.isfile(os.path.join(path, f_file)):
# media file type
if allowed_file.count(f_ext.upper()) > 0:
file_info["src_name"] = f_file # add file info
# exif_date = ""
f_str_date, f_name_new = ImageInfo.get_format_date(f_name) #YYYY-MM-DD 24H:MI:SS, YYYYMMDD_24HMISS
file_info["src_date"] = f_str_date # add file info
f_file_new = f_name_new + f_ext
# file_info["tgt_name"] = f_file_new # add file info
print
print "File Name: %s" % f_file
print "File Date : %s (YYYY-MM-DD HH:Mi:SS)" % (f_str_date)
log_msg += "\n" \
"File Name: %s\n" \
"File Date: %s (YYYY-MM-DD HH:Mi:SS)\n" % (f_file, f_str_date)
# jpg format type
if f_ext.upper() == ".JPG" or f_ext.upper() == ".JPEG":
exif_date = ImageInfo.get_exif(os.path.join(path, f_file))
e_str_date, e_name_new = ImageInfo.get_format_date(exif_date) #YYYY-MM-DD 24H:MI:SS, YYYYMMDD_24HMISS
file_info["src_exif"] = e_str_date # add file info
e_file_new = e_name_new + f_ext
def __init__(self, file):
mediainfo.ImageInfo.__init__(self)
iptc_info = None
self.mime = 'image/jpeg'
self.type = 'jpeg image'
self.valid = 1
if file.read(2) != '\xff\xd8':
self.valid = 0
return
file.seek(-2, 2)
if file.read(2) != '\xff\xd9':
# Normally an JPEG should end in ffd9. This does not however
# we assume it's an jpeg for now
mediainfo._debug("Wrong encode found for jpeg")
file.seek(2)
app = file.read(4)
self.meta = {}
while (len(app) == 4):
(ff, segtype, seglen) = struct.unpack(">BBH", app)
if ff != 0xff: break
_debug("SEGMENT: 0x%x%x, len=%d" % (ff, segtype, seglen))
if segtype == 0xd9:
break
elif SOF.has_key(segtype):
data = file.read(seglen - 2)
(precision, self.height, self.width,
num_comp) = struct.unpack('>BHHB', data[:6])
#_debug("H/W: %i / %i" % (self.height, self.width))
elif segtype == 0xed:
app = file.read(seglen - 2)
iptc_info = IPTC.flatten(IPTC.parseiptc(app))
break
elif segtype == 0xe7:
# information created by libs like epeg
data = file.read(seglen - 2)
if data.count('\n') == 1:
key, value = data.split('\n')
self.meta[key] = value
else:
file.seek(seglen - 2, 1)
app = file.read(4)
file.seek(0)
exif_info = EXIF.process_file(file)
if exif_info:
self.setitem('date', exif_info, 'Image DateTime', True)
self.setitem('artist', exif_info, 'Image Artist', True)
self.setitem('hardware', exif_info, 'Image Model', True)
self.setitem('software', exif_info, 'Image Software', True)
self.setitem('thumbnail', exif_info, 'JPEGThumbnail', True)
self.appendtable('EXIF', exif_info)
if iptc_info:
self.setitem('title', iptc_info, 517, True)
self.setitem('date', iptc_info, 567, True)
self.setitem('comment', iptc_info, 617, True)
self.setitem('keywords', iptc_info, 537, True)
self.setitem('artist', iptc_info, 592, True)
self.setitem('country', iptc_info, 612, True)
self.setitem('caption', iptc_info, 632, True)
self.appendtable('IPTC', iptc_info)
if len(self.meta.keys()):
self.appendtable('JPGMETA', self.meta)
for key, value in self.meta.items():
if key.startswith('Thumb:') or key == 'Software':
setattr(self, key, value)
if not key in self.keys:
self.keys.append(key)
ImageInfo.add(file.name, self)
return
def __init__(self,file):
mediainfo.ImageInfo.__init__(self)
self.iptc = None
self.mime = 'image/tiff'
self.type = 'TIFF image'
self.intel = 0
self.valid = 0
iptc = {}
header = file.read(8)
if header[:4] == MOTOROLASIGNATURE:
self.valid = 1
self.intel = 0
(offset,) = struct.unpack(">I", header[4:8])
file.seek(offset)
(len,) = struct.unpack(">H", file.read(2))
app = file.read(len*12)
for i in range(len):
(tag, type, length, value, offset) = struct.unpack('>HHIHH', app[i*12:i*12+12])
_debug("[%i/%i] tag: 0x%.4x, type 0x%.4x, len %d, value %d, offset %d)" % (i,len,tag,type,length,value,offset))
if tag == 0x8649:
file.seek(offset,0)
iptc = IPTC.flatten(IPTC.parseiptc(file.read(1000)))
elif tag == 0x0100:
if value != 0:
self.width = value
else:
self.width = offset
elif tag == 0x0101:
if value != 0:
self.height = value
else:
self.height = offset
elif header[:4] == INTELSIGNATURE:
self.valid = 1
self.intel = 1
(offset,) = struct.unpack("<I", header[4:8])
file.seek(offset,0)
(len,) = struct.unpack("<H", file.read(2))
app = file.read(len*12)
for i in range(len):
(tag, type, length, offset, value) = struct.unpack('<HHIHH', app[i*12:i*12+12])
_debug("[%i/%i] tag: 0x%.4x, type 0x%.4x, len %d, value %d, offset %d)" % (i,len,tag,type,length,value,offset))
if tag == 0x8649:
file.seek(offset)
iptc = IPTC.flatten(IPTC.parseiptc(file.read(1000)))
elif tag == 0x0100:
if value != 0:
self.width = value
else:
self.width = offset
elif tag == 0x0101:
if value != 0:
self.height = value
else:
self.height = offset
else:
ImageInfo.add(file.name, self)
return
if iptc:
self.setitem( 'title', iptc, 517 )
self.setitem( 'date' , iptc, 567 )
self.setitem( 'comment', iptc, 617 )
self.setitem( 'keywords', iptc, 537 )
self.setitem( 'artist', iptc, 592 )
self.setitem( 'country', iptc, 612 )
self.setitem( 'caption', iptc, 632 )
self.appendtable('IPTC', iptc)
ImageInfo.add(file.name, self)
return