For instance, in a digital video camera, the sensors produce an electrical output proportional to light intensity.The digitizer converts these outputs to digital data.These topics Specialized image processing hardware usually consists of the digitizer just mentioned, plus hardware that performs other primitive operations, such as an arithmetic logic unit (ALU), which performs arithmetic and logical operations in parallel on entire images. With reference to sensing, two elements are required to acquire digital images.The first is a physical device that is sensitive to the energy radiated by the object we wish to image.The second, called a digitizer, is a device for converting the output of the physical sensing device into digital form. Explain in detail about elements of digital image processing systems Figure 1.24 shows the basic components comprising a typical general-purpose system used for digital image processing.The function of each component is discussed in the following paragraphs, starting with image sensing.
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