Topics covered in this video
Image Histogram
Histogram Example
Digitization
Gray Scale Digital Image
RGB Channels
Sampling
Quantization
Resolution
Gray Scale Image
Image as Function
Extracting Useful Information from Images
• Histogram
• Edges
• Smoothing/Removing Noise
• Convolution/Correlation
• Image Derivatives/Gradient
• Filtering (linear)
Intensity profiles for selected rows (two) in an image
Image Noise
Gaussian Noise
Salt and Pepper Noise
Image Filtering
Correlation (Linear Relationship)
Convolution
Gaussian Filtering
Practice with Kernels
Sobel Filtering
Median FIlter
Image Derivatives
Discrete Derivative/ Finite Difference
Example: FInite Difference
Derivative in 2-D
Derivative of Images