Stanford Digital Repository
SDR Preservation
Assessment of sdrDigiProv for one file:
FORMAT/ preservationRisk
•<dig:preservationRisk>
•<dig:flagRaised flagType="JPEG_ProgressiveEncoding">
• <dig:test feature="property"
path="JPEGMetadata:Images:Image:Scans" compare="any value"
datatype="integer"/>
• <dig:valuesFound>
<value>1</value>
</dig:valuesFound>
• <dig:recommendation action="RiskAssessment_TransformFormat">
• <transformation newFormatName="JPEG2000" transformationEffects="Preserves image data in a
"standard" format
expected to gain in preservation quality, and policy status, as adoption increases; benefits of progressive encoding may not be
retained."/>
•<transformation newFormatName="JPEG"
transformationEffects="Image data
retained in a format closer to de facto baseline; greater software compatibiilty; benefits of progressive encoding will not
be retained in the conversion."/>
•</dig:preservationRisk>