subject: Digitizing Means Simply Capturing An Analog Signal In Digital Form [print this page] Digitizing is the representation of an object, image, sound, document or a signal by a discrete set of its points or samples. The result is called digital representation or, more specifically, a digital image, for the object, and digital form, for the signal. Strictly speaking, digitizing means simply capturing an analog signal in digital form. For a document the term means to trace the document image or capture the "corners" where the lines end or change direction.
First of all, when we want to edit a printing, picture we need a process which we called that is digitizing. In the process of digitizing, we make an outline and better view for the picture where the points are connected to each other.
The term digitization is often used when diverse forms of information, such as text, sound, image or voice, are converted into a single binary code. Digital information exists as one of two digits, either 0 or 1. These are known as bits and the sequences of 0s and 1s that constitute information are called bytes.
Analog signals are continuously variable, both in the number of possible values of the signal at a given time, as well as in the number of points in the signal in a given period of time. However, digital signals are discrete in both of those respects generally a finite sequence of integers therefore a digitization can, in practical terms, only ever be an approximation of the signal it represents.
The reading of an analog signal A, and, at regular time intervals, sampling the value of the signal at the point. Each such reading is called a sample and may be considered to have infinite precision at this stage.In general, these can occur at the same time, though they are conceptually distinct.
A series of digital integers can be transformed into an analog output that approximates the original analog signal. Such a transformation is called a DA conversion. The sampling rate and the number of bits used to represent the integers combine to determine how close such an approximation to the analog signal a digitization will be.
Secondly, Digitizing is the primary way of storing images in a form suitable for transmission and computer processing, whether scanned from two dimensional analog originals or acquiring precise dimensions from a real world object, such as a car, using 3D scanning device.
Thirdly, digitizing is used in geographic information because it can be central to making a digital representation of geographical feature, often using raster or vector images. So when creating some electric maps we often use by digitizing traditional paper maps or graphs.
Fourthly, Digitizing may also be used in the field of apparel, where an image may be recreated with the help of embroidery digitizing software tools and saved as embroidery machine code. This machine code is fed into an embroidery machine and applied to the fabric
Sum up, Digitizing can help people create works which only need skills. Almost people like the easy way which Digitizing allows, so with a digitizing, no individual has pressures of learning new ways to doing things. Because hints for doing things have been available over years.
