EEE 501 Applied Digital Image Processing Dr. Türker İnce

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Presentation transcript:

EEE 501 Applied Digital Image Processing Dr. Türker İnce Chapter 2: Digital Image Fundamentals EEE 501 Applied Digital Image Processing Dr. Türker İnce Human Visual System Image Sampling and Quantization Mathematical Tools Used in DIP

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Brightness discrimination experiment

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Chapter 2: Digital Image Fundamentals

Sampling – Spatial Resolution

Varying # of bits per pixel

Varying # of bits per pixel

How many gray levels are required?

Storage requirements for digital images

Sensitivity of the Eye to intensity changes

Chapter 2: Digital Image Fundamentals

Tradeoff between gray-level resolution and spatial resolution

Interpolation

Aliasing effect for 1-dimensional signal

Aliasing effect (Moiré) for an image

Chapter 2: Digital Image Fundamentals

Sampling example

Anti-alias Filtering

Example of a quantized waveform

Sample Image Statistics

Neighbors of a pixel

Chapter 2: Digital Image Fundamentals

Common Distance Definitions

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