It is inappropriate to use IVOA Working DraftsĪs reference materials or to cite them as other than "workĪ list of current IVOA Recommendations and other technical documentsĭocument repository. May be updated, replaced, or obsoleted by other documentsĪt any time. This is an IVOA Working Draft for review by IVOA membersĪnd other interested parties. Schema and explain how it may be extended to add new metadata terms andĭescribe more specific types of resources. We also describe the general model for the Standards as well as experiences from the operation of the VO Registry. (Hanisch and IVOA Resource Registry Working Group et al., 2007), but also taking into account other metadata In this document, we define the types andĮlements that make up the schema in close alignment to the metadata termsĭefined in Resource Metadata for the Virtual Observatory However, any application that needs to describe resources In interoperable registries and resource discovery within them. Intended to support metadata exchange between WebP format: webp package provides webpmux command, which manage XMP/EXIF metadata and ICC profile.This document describes an XML encoding standard for IVOA Resource.To remove only GPS data use exiftool -gps:all= -xmp:geotag= *.jpg. If you prefer Exiftool, you might find useful creating an alias to exiftool -all= *.jpg & rm *original, or with -overwrite_original option.Metadata Cleaner: Desktop app to view and clean metadata in files (not only images).Alternatives: jhead ( only for JPEGs) and exiv2 ( man suggested on Wikipedia).mat2 (Metadata anonymization toolkit v2): Removes metadata from a lot of formats ( -list).You might ask yourself if these costs are noticeable or relevant in your case.Īnother tool about steganography on images is steghide. Compared with diff -y newimage.jpgĪlso, to avoid losing color profile ( ICC metadata, which causes richer colors ): convert image.jpg profile.icm & convert image.jpg -strip -profile profile.icm newimage.jpg Since you will lose the orientation metadata, maybe you'll want to mogrify -auto-orient image.jpg first.ĪFAIK the only difference with exiftool is that mogrify won't remove this metadata: ![]() ![]() strip strip the image of any profiles, comments or these PNG chunks: bKGD, cHRM, EXIF, gAMA, iCCP, iTXt, sRGB, tEXt, zCCP, zTXt, date. With imagemagick package installed you can do this ( not only for JPEGs): mogrify -strip *.jpg # Optionally: -verbose To read identify -verbose image.jpg | grep exif Instead of Exiftool, to handle Exif metadata (IPTC, XMP and ICC image metadata also) I found Imagemagick more useful and command easier to remember. Thumbnail Image : (Binary data 10941 bytes, use -b option to extract)įile Modification Date/Time : 2013:02:24 12:21:39-08:00 To erase photo metadata: exiftool -all= /tmp/my_photo.jpgįile Modification Date/Time : 2013:02:24 12:08:10-08:00Įxif Byte Order : Big-endian (Motorola, MM)Įncoding Process : Baseline DCT, Huffman coding To read photo metadata: exiftool /tmp/my_photo.jpg Install exiftool: sudo apt-get install libimage-exiftool-perl
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