Introduction to Digital Images

Color Depth

• bitmap (1 bit/pixel)
• cartoon (2-8 bits/pixel)
• gray scale (5-8 bits/pixel)
• color map (8 bits/pixel)
• true color (24 bits/pixel)

bitmap (1 bit/pixel)

full image is 460 x 460

390 x 260

490 x 300

400 x 360

cartoon (2-8 bits/pixel)

378 x 350 x 4 bits (16 colors)

320 x 240 x 72 colors

full image 640 x 480 x 7 bits (78 colors)

gray scale (5-8 bits/pixel)

full image 334 x 478 x 5 bit (32 shades of gray)

shuttle 320 x 240 x 8 bit

lighthouse 320 x 240 x 8 bit

pollens 320 x 240 x 8 bit

x-ray 320 x 240 x 8 bit

colormap (8 bits/pixel)

clown 320 x 240 x 8 bit

woman 320 x 240 x 8 bit

gulls 320 x 240 x 8 bit

mouse 320 x 240 x 8 bit

true color (24 bits/pixel)

256 x 256 x 24 bit

lenna full image 512 x 512 x 24 bit

mandrill full image 512 x 512 x 24 bit

peppers full image 512 x 512 x 24 bit

Maintained by John Loomis, last updated 16 Jan 1998