analog image

Relationship between a digital image and a signal An image is a two-dimensional array in which color information is arranged along x…

Histograms Introduction In digital image processing, the histogram is used for graphical representation of a digital image. A graph is a plot…

Image Formation on Camera How does the human eye work? Our eyes capture and focus light like a camera. Below are the…

Digital Image Processing System In computer science, digital image processing uses algorithms to perform image processing on digital images to extract some…

Introduction to Color Spaces Color spaces are the mathematical representation of a set of colors. There are many color models. Some of…

Introduction to Frequency domain In the frequency domain, a digital image is converted from spatial domain to frequency domain. In the frequency…

Portable Cameras vs. Digital Cameras The man who builds first portable camera was Mr. Johann Zahn. In initial days, the size of…

Krisch Compass Mask Kirsch compass mask is used for finding edges. It is almost the same as Robinson compass mask. It also…

Perspective Transformation In general terms, perspective means when human eyes see an object, it looks bigger when it is close to the…

Concept of Bits Per Pixel BPP or Bits per Pixel is used to denote the number of bits per pixel and the…