Differences between OpenCV and FFTW 2D DCT...

Getting black images while applying discrete cosine transform (DCT) on image...

Does FFT and IFFT implicitly assume circular convolution? Does DCT assume the same?...

Using DCT to create real-time "levels" animation for microphone input...

Lua - Ability to encode JPEG using DCT (discrete cosine transform)...

jpeg python 8x8 window DCT and quantisation process...

How to "de-orthogonalize" type 2 DCT result...

In scipy why doesn't idct(dct(a)) equal to a?...

Applying DCT matrix along each axis not giving the desired result...

FFTW fftwf_plan_r2r_2d() with FFTW_REDFT01 equivalent...

Is there a function in matlab to calculate higher level of DCT's like DCT-III,IV?...

Different outputs of DCT from OpenCV and Scipy.fftpack.dctn?...

how use Discrete cosine transform(DCT) in opencv...

Is this dct (FFTW.jl) behavior in julia normal?...

Why in DCT (V = C * U * C^T) C comes before C^T, but in IDCT (U = C^T * V * C) C^T comes before C?...

why DCT transform is preferred over other transforms in video/image compression...

How to get dct of an image in python using opencv...

How to calculate the "energy" of a signal from DCT coefficients?...

Issue Related To DCT Based Steganography...

Discrete Fourier Transform With C, Implementation problems?...

Blackfin. 2D DCT/IDCT (image compression) with BF537 EZ-KIT, HOW TO WRITE TO FILE (on disk) reconstr...

Scipy: generate NxN discrete cosine matrix...

Python: SciPy DCT does not work on large matrices...

DCT 2D without FFT...

Problem reconstructing the image using inverse DCT in Matlab...

Matlab: How to combine blocks back to original matrix?...

How to do watermarking in the Frequency Domain?...

vDSP.DCT unwraps to nil...

DCT using FFT results in complex result...

Use Python's Scipy DCT-II to do 2D or ND DCT...