Re: Jpeg and Exif Plugin

[Nutch Newbie <nu...@gmail.com>]

Hi Philippe:

Any progress? Do you need any help?

On 3/6/06, Ivan Sekulovic <se...@net.yu> wrote:
> I think that licence is OK.
>
> Using that libray for plugin is realy simple. I've done some test some
> time ago.
>
> All you have to do is something like this (content is byte[])
>
> Metadata metadata =
> JpegMetadataReader.extractMetadataFromJpegSegmentReader(new
> JpegSegmentReader(content));
>
> And then you can read all EXIF and IPTC data you need:
>
>         Directory exifDirectory =
> metadata.getDirectory(ExifDirectory.class);
>         String exifCameraMake =
> exifDirectory.getString(ExifDirectory.TAG_MAKE);
>         String exifCameraModel =
> exifDirectory.getString(ExifDirectory.TAG_MODEL);
>         String exifCopyright =
> exifDirectory.getString(ExifDirectory.TAG_COPYRIGHT);
>         String exifArtist =
> exifDirectory.getString(ExifDirectory.TAG_ARTIST);
>         String exifSubjectLocation =
> exifDirectory.getString(ExifDirectory.TAG_SUBJECT_LOCATION);
>         String exifSubjectLocation2 =
> exifDirectory.getString(ExifDirectory.TAG_SUBJECT_LOCATION_2);
>         String exifUserComment =
> exifDirectory.getString(ExifDirectory.TAG_USER_COMMENT);
>         String exifWinTitle =
> exifDirectory.getString(ExifDirectory.TAG_WIN_TITLE);
>         String exifWinComment =
> exifDirectory.getString(ExifDirectory.TAG_WIN_COMMENT);
>         String exifWinAuthor =
> exifDirectory.getString(ExifDirectory.TAG_WIN_AUTHOR);
>         String exifWinKeywords =
> exifDirectory.getString(ExifDirectory.TAG_WIN_KEYWORDS);
>         String exifWinSubject =
> exifDirectory.getString(ExifDirectory.TAG_WIN_SUBJECT);
>
>
>         Directory iptcDirectory =
> metadata.getDirectory(IptcDirectory.class);
>         String iptcCaption =
> iptcDirectory.getString(IptcDirectory.TAG_CAPTION);
>         String iptcWriter =
> iptcDirectory.getString(IptcDirectory.TAG_WRITER);
>         String iptcHeadline =
> iptcDirectory.getString(IptcDirectory.TAG_HEADLINE);
>         String iptcKeywords =
> iptcDirectory.getString(IptcDirectory.TAG_KEYWORDS);
>         String iptcCredit =
> iptcDirectory.getString(IptcDirectory.TAG_CREDIT);
>         String iptcCopyrightNotice =
> iptcDirectory.getString(IptcDirectory.TAG_COPYRIGHT_NOTICE);
>         String iptcObjectName =
> iptcDirectory.getString(IptcDirectory.TAG_OBJECT_NAME);
>         String iptcCategory =
> iptcDirectory.getString(IptcDirectory.TAG_CATEGORY);
>         String iptcSupplementalCategories =
> iptcDirectory.getString(IptcDirectory.TAG_SUPPLEMENTAL_CATEGORIES);
>         String iptcSource =
> iptcDirectory.getString(IptcDirectory.TAG_SOURCE);
>         String iptcCity = iptcDirectory.getString(IptcDirectory.TAG_CITY);
>         String iptcState =
> iptcDirectory.getString(IptcDirectory.TAG_PROVINCE_OR_STATE);
>         String iptcCountry =
> iptcDirectory.getString(IptcDirectory.TAG_COUNTRY_OR_PRIMARY_LOCATION);
>
>
> But I think that jpeg plugin should have some additional search
> criteria, such as image height and width and dominant colors (e.g.
> dominant color search on http://www.ifimages.com/). What would it take
> to have  lucene range queries in nutch ? Something like:  "height:[500
> TO 600] width:[300 TO 400].
>
>
> Sekula
>
>
> Philippe EUGENE wrote:
>
> >
> >> I think it makes sense.
> >> For a general search engine it will allow to search on image comments
> >> for
> >> instance.
> >> For an image search engine it will allow to search on technical metadata
> >> (exposure time, date, ...)
> >>
> >
> >
> > Ok. I can try to make this plug-in next week.
> > I can use this java library :
> > http://www.drewnoakes.com/code/exif/
> >
> > I hope there is no Licensing problem using this library inside Nutch
> > Project.
> > --
> > Philippe
> >
> >
> >
>
>