dct-coefficients
There are 18 repositories under dct-coefficients topic.
mattes/epeg
Insanely fast JPEG/ JPG thumbnail scaling with the minimum fuss and CPU overhead. It makes use of libjpeg features of being able to load an image by only decoding the DCT coefficients needed to reconstruct an image of the size desired.
dwgoon/jpegio
A python package for accessing the internal variables of JPEG file format such as DCT coefficients and quantization tables
getsanjeev/compression-DCT
Implementation of Image compression using DCT
prashant-kikani/image-optimizer
Optimize any image by chroma subsampling and optimized huffman coding in Python. Basically, using JPEG algorithm!
rg4sun/RG_DCT
Implementation and Performance Analysis of DCT Steganography Algorithm. Tests found that it has excellent imperceptibility (PSNR all above 40). When encountering noised images, the error rate of watermark extraction is low, indicating certain robustness. By introducing the scaling factor, the best embedding effect can be obtained for the specific carrier and watermark.
block-m3/BlockM3.Imaging.Fingerprint
Image Invisible Fingerprint/Watermark Library
Tejas1415/Discreet-Cosine-Transform-DCT-Singular-Value-Decomposition-SVD-based-Copy-Move-Forgery-Detection
Implementing Copy Move Forgery Detection using DCT or SVD transformations. Also, a clear explanation is provided in the READme section
harsmac/MUFIACode
Code for the attack multiplicative filter attack MUFIA, from the paper "Frequency-based vulnerability analysis of deep learning models against image corruptions".
SAZZZO99/FEATURE-ENGINEERING-USING-MNIST-DATASET
Deals with Feature engineering and applying various Image Processing Techniques on the MNIST dataset.
A-Raafat/Classifiers-and-MNIST-Data
Extracting features using PCA, DCT, Centroid features and Auto encoder of 1 hidden-layer then classifying using K-means, GMM, SVM
D3fy-Crypto/Steganography
Steganography using Huffmann Coding and 2d - Block DCT
ChangMinPark/genetic-algorithm-dct
The algorithm in this repository embeds data into DCT coefficient using genetic algorithm.
hidiryuzuguzel/Image-Compression-Codec
DCT-based lossy image compression codec (similar to a JPEG codec)
Suchetaaa/Speech-Recognition-System
EE 338 (Digital Signal Processing) - Application Assignment
jgjoaoguilherme/DCTalgorithm
Discrete cosine transform (DCT) expresses a finite sequence of data points in terms of a sum of cosine functions oscillating at different frequencies. This project makes data compression with digital image
trstephen/elec483
Add a watermark phrase to images. Project for ELEC 483: Digital Video Processing
vishalkg/JPEG_Encoder
JPEG Encoder
vvh413/jpeg-dct-dump
Dump raw Jpeg DCT coefficients