I use this device: device `coolscan2:usb:libusb:001:004' is a Nikon LS-40 ED film scanner
it's a film scanner (USB). And I would like to have some informations, about the date, the parameters, the version, the author and all that I have to know about the image and more... if you please. May be it's a dream, but yes there is a library who can help to do that. I use exif command line, to search about somes images, and I think may be usefull to retrieve the applied correction. I don't understand why a scanner can't do less than my digital camera. Georges Till Kamppeter wrote: > Is the device which you are using really a scanner? > > If it is a locally (USB, SCSI, parallel, ISA or PCI card) scanner and > the Windows driver gives you the possibility to save the scanned image > as a JPEG with EXIF info, the EXIF info is most probably generated by > the Windows driver, as local scanners usually send raw image data over > the wire. In this case it would be an idea of enhancement for SANE or > its frontends to save info about the image and or applied correction > operations in an EXIF header when saving the image as JPEG. > > If it is a network-connected high-end multi-function device (usually > based on an office copy machine) which allows the user to download > scans as JPEG files via a web interface, FTP, or e-mail you can apply > libexif-based tools on the JPEG files as soon as they are onm your > hard disk, see below about these tools. > > If your device is a digital camera (or the small HP PhotoSmart scanner > which scans onto a photo memory card) the camera´s firmware stores the > camera settings in an EXIF haeder when you let the camera save the > photo as JPEG on the memory card. Use gtkam (gphoto2 frontend with > remote control feature, http://www.gphoto.org/) or the buttons of the > camera to take the photos, then they get saved on the card. If there > is a driver for SANE to take or download photos (does this exist?) it > is possible that you get the image as raw data, without EXIF header > (as from a local scanner). Download the photos via USB mass storage or > gphoto2. Then use libexif-base tools for reading and editing the EXIF > headers. > > libexif and the "exif" (command line) and "gexif" (graphical) > frontends you can find in many distros or on > http://sourceforge.net/projects/libexif. In addition, gtkam, gphoto2, > flphoto (http://www.easysw.com/~mike/flphoto/), and several web album > systems support EXIF (when compiled with libexif). > > Till >
