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

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

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

and Comparison of Different Histogram Quantizations in the DCT Domain

# Compressed domain # feature extraction # DCT # statist ical texture features # quantized histogram

# Digital image watermarking # watermark detection # DC T based watermarking # unsharp filter # LoG filter

Temporal Tracking on Videos with Direction

Department of Computer Science and Engineering, James College of Engineering and Technology, India

#Motion vector # distance measure # histogram # block matching # DCT # tracking

An Optimized Model for Visual Speech Recognition Using HMM

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

Digital Signature Protocol for Visual Authentication Anirban Goswami1, Ritesh Mukherjee2, Soumit Chowdhury3, and Nabin Ghoshal4 1Department of Information Technology, Techno India, India 2Department of Advanced Signal Processing, Centre for Development of Advanced Computing, India 3Department of Computer Science and Engineering, Government College of Engineering and Ceramic

Technology, India 4Department of Engineering and Technological Studies, University of Kalyani, India

#Share # DCT and IDCT # image compression # data hiding # SSIM # collusion attack

A Steganography Scheme on JPEG Compressed Cover Image with High Embedding Capacity

Arup Kumar Pal1, Kshiramani Naik1, and Rohit Agarwal2 1Department of Computer Science and Engineering, Indian Institute of Technology(ISM), India 2Department of Computer Science and Engineering, JSS Academy of Technical Education, India

#Chi-square attack; (DCT); Histogram; (JPEG); statistical steganalysis; steganography

Enhanced Median Flow Tracker for Videos with Illumination Variation Based on Photometric

Correction

#Illumination variation # median flow tracker # entropy # gamma correction

Development and Implementation of a Video Watermarking Method Based on DCT Transform

Ali Benziane,Suryanti Awang,Mohamed Lebcir

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

Image Segmentation with Multi-feature Fusion in Compressed Domain based on Region-Based Graph

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

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