digital image processing

Concept of Mask The concept of a mask is also known as spatial filtering. Mask is a type of filter which performs…

Concept of Sampling Sampling is done only on an independent variable. For example, if we digitize x-axis in sampling. y=sinx (it is…

Dithering Dithering is a technique to convert a grayscale image to black and white. It is used to create an illusion of…

Gray Level Transformation All Image Processing Techniques focused on gray level transformation as it operates directly on pixels. The gray level image…

Camera Mechanism Aperture Aperture is a small opening from which light enters inside the camera. Mechanical diaphragms are used in the camera…

Grayscale to RGB Conversion To convert a grayscale image into color or RGB format, we have two methods. Both methods have their…

Concept of Pixel Pixel The full form of the pixel is “Picture Element.” It is also known as “PEL.” Pixel is the…

Difference between the Analog signals and Digital signals Analog signals Digital signals Analog signals are difficult to get analysed at first. Digital…

High Pass vs Low Pass Filters Lowpass filter (smoothing) A low pass filter is used to pass low-frequency signals. The strength of…

Continuous Systems vs. Discrete System Continuous system Continuous systems are those types of systems in which input and output signals are the…