Robust Image Watermarking using DWT, DCT, and PSO with CNN-Based Attack Evaluation

Mohammad Alia,Adnan Hnaif,Aseel Alrawashdeh,Yousef Jaradat,Mohammad Masoud,Ahmad Manasrah,Ahmad AlShanty

#Particle swarm optimization #discrete wavelet transform #discrete cosine transform #denosing network #additive white gaussian noise #peak signal-to-noise ratio #normalized correlation coefficient

Image Compression based on Iteration-Free Fractal and using Fuzzy Clustering on DCT Coefficients

Sobia Mahalingam,Valarmathi Lakshapalam,Saranya Ekabaram

#Fractal image compression #fuzzy clustering #DCT coefficients #contractive affine transformation

Rangan Kodandaram, Shashank Mallikarjun, Manikantan Krishnamuthan, and Ramachandran Sivan

# FR # feature extraction # discrete wavelet transform # DCT # feature selection # BPSO

Algeria

#Handwritten Arabic word recognition # Classifier combination # Support vector machine # Fuzzy K-nearest neighbor # Discrete cosine transform # Histogram of oriented gradients

Abstract: In this article, we pre sent a bimodal speaker identification method, which integrates both acoustic and visual

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Abstract: Content authentication requires that the image watermarks must highlight malicious attacks while tolerating

#Content authentication # self authentication # recovery watermark # DWT # PQ sequence

acoustic signals. It is useful in situations in which conventional audio processing is ineffective like very noisy environments or

#Visual speech recognition # feature extraction # discrete cosine transform # chain code # hidden markov model

Median and Laplacian Filters in the DCT Domain

#CBIR # median filter # laplacian filter # statistical texture features # quantized histograms # DCT

#Image compression # DCT # fractal image compression # quantization # zig-zag scanning # huffman coding

Ali Benziane,Suryanti Awang,Mohamed Lebcir

#Blind video watermarking #DCT #differential embedding #Raspberry Pi

Hong-Chuan Luo,Bo Sun,Hang-Kai Zhou,Wen-Sen Cao

#Image segmentation #region-based graph #multi-feature fusion #compressed domain