The compression of JPEG, it uses a technique called DCT (Discrete Cosine Transform), which converts the brightness of the image in the form Frequency (Frequency Domain), affording the values of coefficients or in this application. amplitude of the different frequencies using variables were significantly different. The significant reduction of the number to be able to reduce the size of memory. Or keep the file size as possible.
การแปล กรุณารอสักครู่..
