StackOverflow Questions for Tag: dct

rcp

Reputation: 111

Why JPEG compression processes image by 8x8 blocks?

compressionjpegdct

Score: 9

Answers: 4

SimpleBenji01

Reputation: 13

How to transform DCT block back to color values?

image-processingcolorscompressionjpegdct

Score: 0

Answers: 1

Iordan Bogdan

Reputation: 43

Differences between OpenCV and FFTW 2D DCT

opencvimage-processingsignal-processingfftwdct

Score: 1

Answers: 1

vinea

Reputation: 1

Сomparing images by hash

pythonimagedctphash

Score: 0

Answers: 0

Mohammad Rizabul

Reputation: 5

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

pythonopencvdct

Score: 0

Answers: 1

Scriabin

Reputation: 21

For a 2D single channel image, what is an appropriate criterion to reorder the rows, such that a JPEG-like encoder performs the best?

mathcompressionjpegimage-compressiondct

Score: 0

Answers: 0

Amitabha Bhattacharjee

Reputation: 15

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

signal-processingfftdftdigitaldct

Score: 0

Answers: 1

Joshua Sullivan

Reputation: 1139

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

iosaudiofftaudio-processingdct

Score: 1

Answers: 2

arshub

Reputation: 1

How to extract DCT coefficient matrix by jpeglib in python?

pythoncompressionjpeghuffman-codedct

Score: 0

Answers: 0

arshub

Reputation: 1

Function for reading of the JPEG DCT coefficients by python

compressionjpeghuffman-codesteganographydct

Score: 0

Answers: 0

nodecentral

Reputation: 466

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

pdfluajpegdct

Score: 1

Answers: 1

Shristi Das Biswas

Reputation: 1

Min-max scaling on DCT coefficients

normalizationdctrescale

Score: 0

Answers: 1

markman8

Reputation: 53

jpeg python 8x8 window DCT and quantisation process

pythonhuffman-codequantizationdct

Score: 3

Answers: 1

John Smith

Reputation: 53

How to "de-orthogonalize" type 2 DCT result

pythonnumpyscipydct

Score: 0

Answers: 1

Tony The Lion

Reputation: 63250

How does this implementation of 1D IDCT work?

cmathfftdct

Score: 4

Answers: 2

user22856447

Reputation:

DCT method of MATLAB doesn't work in Kotlin Android

androidkotlindct

Score: 1

Answers: 1

yc2986

Reputation: 1141

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

pythonscipydct

Score: 11

Answers: 2

Pazu

Reputation: 287

Applying DCT matrix along each axis not giving the desired result

pythonnumpyfftdct

Score: 1

Answers: 1

Douglas Grealis

Reputation: 619

Steganography in JPEG

javasteganographydct

Score: 3

Answers: 1

abdul salam

Reputation: 21

In jpeg image compression, what is the effect of increasing block size on the values of DCT coefficients statistically?

jpegdistributiondct

Score: 2

Answers: 1

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StackOverflow Questions for Tag: dct

Why JPEG compression processes image by 8x8 blocks?

How to transform DCT block back to color values?

Differences between OpenCV and FFTW 2D DCT

Сomparing images by hash

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

For a 2D single channel image, what is an appropriate criterion to reorder the rows, such that a JPEG-like encoder performs the best?

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

Using DCT to create real-time &quot;levels&quot; animation for microphone input

How to extract DCT coefficient matrix by jpeglib in python?

Function for reading of the JPEG DCT coefficients by python

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

Min-max scaling on DCT coefficients

jpeg python 8x8 window DCT and quantisation process

How to &quot;de-orthogonalize&quot; type 2 DCT result

How does this implementation of 1D IDCT work?

DCT method of MATLAB doesn&#39;t work in Kotlin Android

In scipy why doesn&#39;t idct(dct(a)) equal to a?

Applying DCT matrix along each axis not giving the desired result

Steganography in JPEG

In jpeg image compression, what is the effect of increasing block size on the values of DCT coefficients statistically?

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

How to "de-orthogonalize" type 2 DCT result

DCT method of MATLAB doesn't work in Kotlin Android

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