DIGITISING IMAGES IAN WALKER SEARCH TECH MANAGER MEDIA

DIGITISING IMAGES IAN WALKER SEARCH TECH MANAGER MEDIA EQUATION

DIGITISING IMAGES OVERVIEW Terminology Types of Originals Equipment Used Resolutions & Image Formats What’s Next?

DIGITISING IMAGES TERMINOLOGY 72 dpi V 300 dpi Mega bytes V Mega Pixels Optical Zoom V Digital Zoom

DIGITISING IMAGES 72 dpi

DIGITISING IMAGES 300 dpi

DIGITISING IMAGES 72 dpi V 300 dpi 72 dpi 300 dpi 2 meg file 25 meg file Suitable for Screen display Suitable for A 4 printing Possibly compressed JPEG 150 k bytes Most likely uncompressed TIFF Can be emailed Not suitable for email

DIGITISING IMAGES TERMINOLOGY 72 dpi V 300 dpi Mega bytes V Mega Pixels Optical Zoom V Digital Zoom

DIGITISING IMAGES MEGA PIXELS

DIGITISING IMAGES TERMINOLOGY 72 dpi V 300 dpi Mega bytes V Mega Pixels Optical Zoom V Digital Zoom

DIGITISING IMAGES DIGITAL ZOOM

DIGITISING IMAGES TYPES OF ORIGINALS Photographic Prints Proof Sheets Transparencies Printed Material Colour negatives Objects Slides Maps Glass Plates Engravings Original Artworks Newspapers

DIGITISING IMAGES EQUIPMENT Flatbed Scanner Copy Stand Fb. S with Reflective Back Video Camera Transparency Scanner Digital Camera SLR Drum Scanner Digital Back Slide Scanner Digital Camera S S with Autofeeder Film Scanner Wide Format Scanner

DIGITISING IMAGES FLATBED

DIGITISING IMAGES FLEXTIGHT

DIGITISING IMAGES DRUM SCANNER

DIGITISING IMAGES SLIDE SCANNER

DIGITISING IMAGES SLIDE FEEDER

DIGITISING IMAGES FILM SCANNER

DIGITISING IMAGES LARGE FORMAT

DIGITISING IMAGES COPY STAND

DIGITISING IMAGES VIDEO CAMERA

DIGITISING IMAGES HIGH RES VIDEO

DIGITISING IMAGES DIGITAL SLR

DIGITISING IMAGES DIGITAL BACK

DIGITISING IMAGES DIGITAL CAMERA NON-SLR

DIGITISING IMAGES OVERVIEW Terminology Types of Originals Equipment Used Resolutions & Image Formats What’s Next

DIGITISING IMAGES 75 dpi

DIGITISING IMAGES 150 dpi

DIGITISING IMAGES 300 dpi

DIGITISING IMAGES 600 dpi

DIGITISING IMAGES 1, 200 dpi

DIGITISING IMAGES 2, 400 dpi

DIGITISING IMAGES 4, 800 dpi

DIGITISING IMAGES FILE SIZES Size Pixels Megabytes Screen 17” 1024 x 768 2. 36 Postcard 5” x 7” 1500 x 2100 9. 45 A 4 8” x 11” 2, 400 x 3, 300 23. 76 A 3 16” x 22” 4, 800 x 6, 600 95. 04

DIGITISING IMAGES FILE TYPES TIFF RGB TIFF CMYK JPEG Loss Less JPEG Mod. Com. Screen 2. 4 3. 2 600 k 120 k Postcard 10 13 2. 5 meg 1 meg A 4 25 32 5 meg 2 meg A 3 100 133 20 meg 8 meg

DIGITISING IMAGES WHAT’S NEXT? • Embedded Meta Data in the Image file • Pict Bridge • Adobe Photoshop CS 2 • XML and Dublin Core