Rabu, 05 Maret 2014
Selasa, 04 Maret 2014
Tugas Pengolahan Citra Digital 1
1 A. Sampling : suatu proses mendigitasi koordinat objek. Proses ini
memberikan ukuran citra (resolution
pixel), misal : 10×10 pixel.
B. Kuantisasi (quantization) :
suatu proses mendigitasi intensitas sinyal objek pada koordinat pixel yang
disample, dengan kata lain member nilai pixel tersebut (penentuan
intensitas warna/color depth), misal : nilai digital pixel =
0 1
2. Colour
depth
- 1 bit per pixel = 2 colours (monochrome)
- 4 bits per pixel = 16 colours
- 8 bits per pixel = 256 colours
- generally good enough for colour images
- 16 bits per pixel = 65536 colours
- better quality for photograph like-images,also known as high colour
- 24 bits per pixel = >16 million possible colours
- used to recreate photo realistic images,also known as true colour monochrome)
Langganan:
Postingan (Atom)