Digital image Levels of gray levels, quality: 1 byte = 8 bit 0 = Black 255 = White

Digital image Levels of gray levels, quality: 1 byte = 8 bit 0 = Black 255 = White

Basic transformations Reverse 0 = Black 255 = White

Basic transformations Brightness b = 100 0 = Black 255 = White

Basic transformations Contrast c = 1.3 0 = Black 255 = White

Image analysis Amplifier a = 100 0 = Black 255 = White

Image analysis Amplifier a = 200 0 = Black 255 = White a = 100

Image analysis Amplifier a = 255 0 = Black 255 = White a = 200

Image analysis Amplifier a = 128 0 = Black 255 = White

Image analysis Example: defect recognition a = 128 0 = Black 255 = White

Image analysis Center of gravity (mass center) 0 = Black 255 = White

Image analysis Center of gravity (mass center) 0 = Black 255 = White

Image analysis Bounds Foreground 0 = Black Part Background 255 = White Gradient Mask

Recognition of bounds Gradient f f

Recognition of points and lines Gradient x = 95 y = 90

Recognition of points and lines Gradient

Recognition of points and lines Gradient x = 200 y = 150

Recognition of points and lines Gradient x y

Recognition of points and lines Gradient

Recognition of points and lines Mask

Recognition of points and lines Mask