Digital ImagesBasics2011

Digital ImagesBasics2011 - 2011-1-20 A Brief Introduction...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
2011-1-20 Math Modeling 1, Spring 2011 (Xin Li) 1 A Brief Introduction DIGITAL IMAGES DIGITAL IMAGE REPRESENTATION ´ Pixel = Pic ture El ement ´ Pixel Coordinates column 2 1 4 3 2 1 row 3
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2011-1-20 Math Modeling 1, Spring 2011 (Xin Li) 2 LETTER “A” BITMAP ´ SQUARE ´ CIRCLE PIXEL REPRESENTATIONS ´ Grid ´ Point ´ Rectangle (1,1) (2,1) (1,2) (2,1) (1,3)(1,4) (1,1) (2,1) (1,2) (2,1) (1,3)(1,4)
Background image of page 2
2011-1-20 Math Modeling 1, Spring 2011 (Xin Li) 3 MATRIX INDICES ´ Row ´ Column column (1,1) (1,2) (1,3) … (2,1) (2,2) (2,3) … ﹙﹚ row PIXEL INTENSITY ´ Binary image: pixel value = 0 or 1 ´ Gray image: 256 values or else ´ Color image: vector valued ´ Bitmap and bitmap image: « The term bitmap refers to how a given pattern of bits in a pixel maps to a specific color bits in a pixel maps to a specific color. « Bitmap images is how graphics is stored in the video memory of a computer.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2011-1-20 Math Modeling 1, Spring 2011 (Xin Li) 4 OUR IMAGE MODEL ´ A bitmap images take the form of an array, where the value of each pixel correspond to the color of that portion of the image.
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 7

Digital ImagesBasics2011 - 2011-1-20 A Brief Introduction...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online