Question

Min-max scaling on DCT coefficients

score 21 · Answer 1 · 2024-03-18T22:16:08.243000

21

Views

Min-max scaling on DCT coefficients

Published on 18 March 2024 at 22:16

score 87 · Answer 2 · 2024-01-30T23:31:11.640000

87

Views

How to "de-orthogonalize" type 2 DCT result

Published on 30 January 2024 at 23:31

score 98 · Answer 3 · 2023-11-06T06:03:36.343000

98

Views

DCT method of MATLAB doesn't work in Kotlin Android

Published on 06 November 2023 at 06:03

score 47 · Answer 4 · 2023-07-17T09:47:16.267000

47

Views

FFTW fftwf_plan_r2r_2d() with FFTW_REDFT01 equivalent to idct2 in matlab

Published on 17 July 2023 at 09:47

score 43 · Answer 5 · 2023-05-30T23:11:39.187000

43

Views

Why do I have to do 2D DCT twice to get a sinogram?

Published on 30 May 2023 at 23:11

score 87 · Answer 6 · 2023-04-21T08:42:34.213000

87

Views

Does any compression standard uses integer DCT?

Published on 21 April 2023 at 08:42

score 103 · Answer 7 · 2023-03-20T16:33:26.497000

103

Views

How do I reconstruct all Fourier coefficients from 2D r2hc transform in FFTW?

Published on 20 March 2023 at 16:33

score 284 · Answer 8 · 2023-03-11T23:24:58.987000

284

Views

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

Published on 11 March 2023 at 23:24

score 113 · Answer 9 · 2023-02-21T19:14:51.993000

113

Views

How to increase fft time resolution also frequency resolution at the same time?

Published on 21 February 2023 at 19:14

score 123 · Answer 10 · 2023-02-05T15:32:20.473000

123

Views

DCT julia equivalent to scipy.fftpack.dct

Published on 05 February 2023 at 15:32

score 67 · Answer 11 · 2023-02-01T02:03:30.680000

67

Views

JPEG Specification Questions: Walking through my current understanding to hopefully find what is wrong

Published on 01 February 2023 at 02:03

score 544 · Answer 12 · 2022-12-13T16:39:17.963000

544

Views

jpeg python 8x8 window DCT and quantisation process

Published on 13 December 2022 at 16:39

score 91 · Answer 13 · 2022-10-13T19:09:27.917000

91

Views

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

Published on 13 October 2022 at 19:09

score 67 · Answer 14 · 2022-08-17T07:17:51.700000

67

Views

using dct for embeding watermark on gocv

Published on 17 August 2022 at 07:17

score 348 · Answer 15 · 2022-07-19T15:44:05.163000

348

Views

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

Published on 19 July 2022 at 15:44

score 53 · Answer 16 · 2022-06-02T08:31:27.727000

53

Views

Is there a problem with DCT or quantization when encoding JPEG files?

Published on 02 June 2022 at 08:31

score 387 · Answer 17 · 2022-04-22T07:09:41.407000

387

Views

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

Published on 22 April 2022 at 07:09

score 268 · Answer 18 · 2022-03-28T19:07:48.997000

268

Views

How to create image matrix from array consisting matrix blocks

Published on 28 March 2022 at 19:07

score 51 · Answer 19 · 2022-02-20T09:51:18.823000

51

Views

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?

Published on 20 February 2022 at 09:51

score 79 · Answer 20 · 2021-12-15T13:33:03.257000

79

Views

Denoising an image channel with sliding DCT algorithm

Published on 15 December 2021 at 13:33

List Question

Min-max scaling on DCT coefficients

How to "de-orthogonalize" type 2 DCT result

DCT method of MATLAB doesn't work in Kotlin Android

FFTW fftwf_plan_r2r_2d() with FFTW_REDFT01 equivalent to idct2 in matlab

Why do I have to do 2D DCT twice to get a sinogram?

Does any compression standard uses integer DCT?

How do I reconstruct all Fourier coefficients from 2D r2hc transform in FFTW?

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

How to increase fft time resolution also frequency resolution at the same time?

DCT julia equivalent to scipy.fftpack.dct

JPEG Specification Questions: Walking through my current understanding to hopefully find what is wrong

jpeg python 8x8 window DCT and quantisation process

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

using dct for embeding watermark on gocv

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

Is there a problem with DCT or quantization when encoding JPEG files?

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

How to create image matrix from array consisting matrix blocks

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?

Denoising an image channel with sliding DCT algorithm

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