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From "Saurabh Khanduja (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IMAGING-181) Unknown Metadata Tags in Commons Imaging but recognized in exiftool
Date Thu, 07 Apr 2016 08:54:25 GMT
Saurabh Khanduja created IMAGING-181:
----------------------------------------

             Summary: Unknown Metadata Tags in Commons Imaging but recognized in exiftool
                 Key: IMAGING-181
                 URL: https://issues.apache.org/jira/browse/IMAGING-181
             Project: Commons Imaging
          Issue Type: Bug
            Reporter: Saurabh Khanduja
            Priority: Minor
             Fix For: 1.0


Hi,
 I am new to commons-imaging, so forgive any mistakes.

I was checking exif metadata in pics captured from Iphone and noticed few metadata of Unknown
Type tag.

FileName: IPhone_6_IMG_4174.JPG

Metadata: 
Make	: 'Apple'
Model	: 'iPhone 6'
Orientation	: 6
XResolution	: 72
YResolution	: 72
ResolutionUnit	: 2
Software	: '9.2.1'
DateTime	: '2016:03:25 12:01:04'
YCbCrPositioning	: 1
ExifOffset	: 204
GPSInfo	: 1608
ExposureTime	: 1/33 (0.03)
FNumber	: 11/5 (2.2)
ExposureProgram	: 2
PhotographicSensitivity	: 250
ExifVersion	: 48, 50, 50, 49
DateTimeOriginal	: '2016:03:25 12:01:04'
DateTimeDigitized	: '2016:03:25 12:01:04'
ComponentsConfiguration	: 1, 2, 3, 0
ShutterSpeedValue	: 253/50 (5.06)
ApertureValue	: 7983/3509 (2.275)
BrightnessValue	: 4064/2511 (1.618)
ExposureCompensation	: 0
MeteringMode	: 5
Flash	: 24
FocalLength	: 83/20 (4.15)
SubjectArea	: 1526, 1140, 731, 729
MakerNote	: 65, 112, 112, 108, 101, 32, 105, 79, 83, 0, 0, 1, 77, 77, 0, 11, 0, 1, 0, 9, 0,
0, 0, 1, 0, 0, 0, 4, 0, 2, 0, 7, 0, 0, 2, 46, 0, 0, 0, -104, 0, 3, 0, 7, 0, 0, 0, 104, 0,
0, 2... (838)
SubSecTimeOriginal	: '081'
SubSecTimeDigitized	: '081'
FlashpixVersion	: 48, 49, 48, 48
ColorSpace	: 1
ExifImageWidth	: 3264
ExifImageLength	: 2448
SensingMethod	: 2
SceneType	: 1
ExposureMode	: 0
WhiteBalance	: 0
FocalLengthIn35mmFormat	: 29
SceneCaptureType	: 0
  Unknown Tag (0xa432)	: 83/20 (4.15), 83/20 (4.15), 11/5 (2.2), 11/5 (2.2)
  Unknown Tag (0xa433)	: 'Apple'
  Unknown Tag (0xa434)	: 'iPhone 6 back camera 4.15mm f/2.2'
GPSLatitudeRef	: 'N'
GPSLatitude	: 28, 28, 1298/100 (12.98)
GPSLongitudeRef	: 'E'
GPSLongitude	: 77, 4, 1947/100 (19.47)
GPSAltitudeRef	: 0
GPSAltitude	: 73641/319 (230.85)
GPSTimeStamp	: 6, 31, 191/100 (1.91)
GPSSpeedRef	: 'K'
GPSSpeed	: 0
GPSImgDirectionRef	: 'T'
GPSImgDirection	: 6757/212 (31.873)
GPSDestBearingRef	: 'T'
GPSDestBearing	: 6757/212 (31.873)
GPSDateStamp	: '2016:03:25'
Unknown Tag (0x1f)	: 65
Compression	: 6
XResolution	: 72
YResolution	: 72
ResolutionUnit	: 2
JpgFromRawStart	: 2012
JpgFromRawLength	: 9563

Running exiftool on same image got me, these tags. Note that Lens Info value is "4.15mm f/2.2"
but corresponding value above was "Unknown Tag (0xa432)	: 83/20 (4.15), 83/20 (4.15), 11/5
(2.2), 11/5 (2.2)".

Lens Info                       : 4.15mm f/2.2
Lens Make                       : Apple
Lens Model                      : iPhone 6 back camera 4.15mm f/2.2



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