Introduction to Color Spaces Color spaces are the mathematical representation of a set of colors. There are many color models. Some of…
Tag:
video processing
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Introduction to Frequency domain In the frequency domain, a digital image is converted from spatial domain to frequency domain. In the frequency…
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Portable Cameras vs. Digital Cameras The man who builds first portable camera was Mr. Johann Zahn. In initial days, the size of…
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Krisch Compass Mask Kirsch compass mask is used for finding edges. It is almost the same as Robinson compass mask. It also…
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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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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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Concept of Edge Detection The concept of edge detection is used to detect the location and presence of edges by making changes…