Influencing Factors Of Scanning Gun

The resolution of the scanning gun should be determined from three aspects: optical part, hardware part and software part. That is to say, the resolution of the scanning gun is equal to the resolution of its optical components plus the resolution obtained by its own processing and analysis through hardware and software.

Optical resolution refers to the actual number of light points that can be captured by the optical components of the scanning gun within each square inch area. It refers to the physical resolution of the CCD (or other photoelectric devices) of the scanning gun and also the real resolution of the scanning gun. Its value is the value obtained by dividing the pixel points that can be captured by the photoelectric elements by the maximum horizontal scanning size of the scanning gun. For example, the resolution of the optical part of a scanning gun with a resolution of 1200 DPI usually only accounts for 400-600 DPI. The resolution of the expansion part is generated by the combination of hardware and software. This process is generated by the computer analyzing the image and mathematically filling the blank part (this process is also called interpolation processing).

Optical scanning and output are one-to-one. What is scanned is what is output. After the computer software and hardware processing, the output image will become more realistic and the resolution will be higher. Most of the scanning guns sold in the market have the function of software and hardware expansion to the resolution. Some scanning guns advertise 9600 × 9600dpi, which is only the maximum resolution obtained by software interpolation, is not the real optical resolution of the scanning gun. Therefore, for the scanning gun, its resolution includes optical resolution (or optical resolution) and maximum resolution. Of course, we are concerned about optical resolution, which is the hard work.

We say that the resolution of a certain scanning gun is as high as 4800dpi (this 4800dpi is the sum of the optical resolution and the software difference processing), which means that when an image is input with a scanning gun, 4800 can be acquired on a scanning frame of 1 square inch × 4800 pixels. A scanning area of 1 inch square is scanned with a resolution of 4800dpi, and the generated image size is 4800pixel × 4800Pixel。 When scanning an image, the higher the scanning resolution, the finer the effect of the generated image, the larger the generated image file, but the more interpolation components.