Perspective Transformation In general terms, perspective means when human eyes see an object, it looks bigger when it is close to the…
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frequency domain
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Pixels, Dots, and Lines per Inch Megapixels A digital camera uses pixel elements (also known as a pixel) to capture images. More…
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What is Quantization? Quantization is a lossy compression technique which is achieved by compressing a range of values to single quantum. In…
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Resolution Gray Level Resolution Gray-level resolution refers to the number of shades of gray which are used in preparing the image for…
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Robinson compass mask A Robinson compass mask is a type of mask which is used for edge detection. It has eight orientations.…
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Signal and System Introduction Analog signals The analog image processing is applied on analog signals and it processes only two-dimensional signals. Analog…
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Types of Images There are three types of images. They are as following: 1. Binary Images It is the simplest type of…
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History of Photography The first process of photography was called heliography which was invented by Nicephore Niepce in the year 1824. In…
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Introduction to JPEG Compression JPEG is an image compression standard which was developed by “Joint Photographic Experts Group”. In 1992, it was…
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Gray Level Transformation All Image Processing Techniques focused on gray level transformation as it operates directly on pixels. The gray level image…