Chihuahuan Desert Network Intermountain Region Inventory & Monitoring Program Image Management Tom Richie Murugesh Annadurai Chihuahuan Desert Network

Chihuahuan Desert NetworkIntermountain RegionInventory & Monitoring Program

Image Management

Tom RichieMurugesh Annadurai

Chihuahuan Desert Network


Image Metadata Problem

Too many standards for the same informationEXIF – Technical metadataIPTC – Administrative and Descriptive metadataXMP – Hybrid of EXIF, IPTC and Dublin CoreNPS Metadata Standard


File Header PropertiesNamespace or Metadata BlocksMemory addresses within the file header that stores the metadata elements of the various standards.

/app13/irb/8bimiptc/iptc/copyright notice /app1/ifd/{ushort=33432} /xmp/<xmpalt>dc:rights


Image Namespace


Photoshop File Info Advanced


Metadata MappingEXIF, IPTC and XMP mapping is already established by the Microsoft Photo Metadata Policy, http://msdn.microsoft.com/en-us/library/bb643802

Mapping NPS Photo Metadata Standard to the Microsoft Policy.

We matched various elements of each standard based on definition and not on label.

http://msdn.microsoft.com/en-us/library/bb643802


Metadata Mapping

Image or Set Create Date

XMP: Date Time OriginalIPTC: Date CreatedEXIF: Date Time


Metadata Mapping

Constraints Information

XMP: dc:RightsIPTC: Copyright InformationEXIF: N/A


Metadata Mapping

Contact Information

XMP: Caption Writer IPTC: Description WriterEXIF: N/A


Metadata MappingNPS Title - A very descriptive title that answers the questions: a) who or what b) where c) when

MatchesXMP: dc:DescriptionIPTC: HeadlineEXIF: Image Description


Metadata MappingAccess ConstraintsNo real good matching element

The range values are 1-8 with the following assignments: 1 = Park Only; 5 = NPS Only; 8 = Public.

XMP: UrgencyIPTC: UrgencyEXIF: N/A


Metadata Mapping

NPS Unit Alpha CodeNo real good matching element

We use City and append the Park Code to Keywords

XMP: CityIPTC: CityEXIF: N/A


Metadata Mapping

Image Content Place - Location DetailsThe name of a well-known area within a park (e.g. McKittrick Canyon) or a description of the location relative to some landmark so it can be relocated in the future.

No real good matching element

XMP: InstructionsIPTC: Special InstructionsEXIF: None


Metadata Mapping

Keywords

XMP: dc:SubjectIPTC: KeywordsEXIF: N/A


Metadata MappingGPS AttributesWGS84 Lat/Long

XMP: exif:GPSLongitudeexif:GPSLatitude

IPTC: N/AEXIF: GPSLongitude

GPSLatitude


Metadata MappingProperty Mapping XMP IPTC EXIF IFDTitle Title Y Y YAuthors Authors Y Y Y YSubject Subject Y Y Y YKeywords Keywords Y Y YComments Comments Y Y Y YDateTaken DateTaken Y Y YPark Code City Y YAccess Constraint Urgency Y YCopyright Notice Copyright Y Y YLocation Details SpecialInstructions Y YContact Information CaptionWriter Y Y

Latitude Y YLatitudeReference Y YLongitude Y YLongitudeReference Y Y

Datum Datum Y Y

Latitude

Longitude

Properties with 2 mappings Properties with 3 mappings Properties with 4 mappings


Inserting MetadataMicrosoft Photo Metadata Policy - Property Rules

When writing a value, the handler will write the value to each path listed in the order of precedence that it can find in the file. If a path is listed as required, even if the path does not exist in the file, it is created and the value is written to it.


Inserting MetadataCopyright

Order Path Required

1 /xmp/<xmpalt>dc:rights Yes 2 /app13/irb/8bimiptc/iptc/copyright notice No

3 /app1/ifd/{ushort=33432} No


Inserting Metadata

META initiates every matching element so it can be written according to the Microsoft Image Metadata Policy making the information available to as many applications as possible.


Inserting Metadata


Inserting Metadata


Inserting Metadata





Windows 7 Explorer


Windows Properties Dialog




Image Metadata ExtractionMost off-the-shelf image management will be able to read this metadata.•Extensis•Thumbs Plus


Image Metadata ExtractionWindows Indexing Server with an XMP iFilter can extract and catalog image file properties.


Microsoft Office SharePoint Services


Without metadata a picture is just a picture

Documents

Chihuahuan Desert Network Intermountain Region Inventory & Monitoring Program Image Management Tom Richie Murugesh Annadurai Chihuahuan Desert Network