Fourier transforms in image processing

The Fourier transform produces another representation of a signal, specifically a representation as a weighted sum of complex exponentials. Because of Euler’s formula ejq =cos(q) + jsin(q) where j2 = −1, we can say that the Fourier transform produces a representation of a (2D) signal as a weighted sum of sines and cosines. The defining … Read more

FUNDAMENTAL STEPS IN DIGITAL IMAGE PROCESSING

There are two categories of the steps involved in the image processing Methods whose outputs are input are images Methods whose outputs are attributes extracted from those images Image Acquisition: It could be as simple as being given an image that is already in digital form. Generally, the image acquisition stage involves processing such scaling. … Read more

IMAGE PROCESSING TOOLBOX (IPT)

It is a collection of functions that extend the capability of the MATLAB numeric computing environment. These functions, and the expressiveness of the MATLAB language, make many image-processing operations easy to write in a compact, clear manner, thus providing an ideal software prototyping environment for the solution of image processing problem Image Sensors: With reference … Read more

APPLICATIONS OF DIGITAL IMAGE PROCESSING

There are following applications are image processing Since digital image processing has very wide applications and almost all of the technical fields are impacted by DIP, we will just discuss some of the major applications of DIP Digital image processing has a broad spectrum of applications, such as Remote sensing via satellites and other spacecrafts … Read more

DIGITAL IMAGE FUNDAMENTALS

The field of digital image processing refers to processing digital images by means of digital computer. Digital image is composed of a finite number of elements, each of which has a particular location and value. These elements are called picture elements, image elements, pels and pixels. Pixel is the term used most widely to denote … Read more

What is BIT-PLANE SLICING?

In the realm of digital image processing, techniques and methodologies abound to manipulate and analyze visual data. One such intriguing method is bit-plane slicing, a concept that involves decomposing an image into its binary components or bit-planes. This technique unveils the inner workings of digital images, offering a unique perspective on how pixels are represented … Read more

IMAGE ENHANCEMENT

Image enhancement refers to the process of improving the visual quality of an image, making it more suitable for analysis or presentation. This can involve adjusting various aspects of an image, such as brightness, contrast, sharpness, and color balance. The goal of image enhancement is to highlight important features, improve visibility, and make the image … Read more