The Two-Dimensional Discrete Cosine Transform
The two-dimensional discrete cosine transform (DCT) is used to represent images as weighted sums of cosines having different horizontal and vertical frequencies. The two-dimensional DCT plays a key role in JPEG image compression.
Видео The Two-Dimensional Discrete Cosine Transform канала Barry Van Veen
Видео The Two-Dimensional Discrete Cosine Transform канала Barry Van Veen
Показать
Комментарии отсутствуют
Информация о видео
Другие видео канала
JPEG DCT, Discrete Cosine Transform (JPEG Pt2)- Computerphile
The Discrete Cosine Transform
How Image Compression Works
Fourier transforms in image processing (Maths Relevance)
Lecture 18.1 : Discrete Cosine Transform
Discrete Cosine Transform (DCT) of Images and Image Compression (Examples with MATLAB codes)
Secrets Hidden in Images (Steganography) - Computerphile
HADAMARD transform in digital image processing
But what is the Fourier Transform? A visual introduction.
Demonstration: DWT of images
Image compression deep-dive
JPEG 'files' & Colour (JPEG Pt1)- Computerphile
2-Dimensional Discrete-Space Fourier Transform
Discrete Cosine Transform
JPEG Encoding Magic & Discrete Cosine Transform (DCT)
Discrete Fourier Transform - Simple Step by Step
How to Generate DCT Matrix of Size NxN .in Digital Image Processing
Discrete Cosine Transform and Image Compression part 2(تحويل جيب التمام المتقطع وضغط صورة )
How the 2D FFT works