A grey-level image may be seen as a topographic relief, where the grey level of a pixel is interpreted as its altitude in the relief. A drop of water falling on a topographic relief flows along a path to finally reach a local minimum. Intuitively, the watershed of... Image ProcessingC++
Explored in the MATLAB environment and implementation of shortest path ray tracing method in step, numerical simulation shows the programming and application of ray-tracing calculation,
Shortest path algorithm based on the Fermat principle and theory of the shortest path in graph theory. The... AlgorithmC
With this GUI , you can select any of the image from the folder for watermarking,just with the click of the button you can stepwise run the code,It embeds the image to another also extracts it in freguency domain usin DWT and IDWT.calculate PSNR and MSE for image embeding and extraction.... MatlabMatlab
A watermark is a recognizable image or pattern in paper that appears as various shades of lightness/darkness when viewed by transmitted light (or when viewed by reflected light, atop a dark background), caused by thickness or density variations in the paper. watermarks ha... MatlabMatlab
What is a watermark?
l watermarking is an important mechanism applied to
physical objects like bills, papers, garment labels, product
l Physical objects can be watermarked using special dyes
and inks or during paper manufacturing.
Characteristics of watermarks
l The... MatlabMatlab
Contour wave digital watermarking sourceContour waveContour wave digital watermarking sourceContour wave digital watermarking sourceContour wave digital watermarking sourceContour wave digital watermarking source digital watermarking sourceContour wave digital watermarking sourceContour wave digital... MatlabMatlab
Section of the single-sided amplitude spectra of the music files and
comparison of the spectra taken from the original unmarked audio file,
from the watermarked wav-file or from the file, which was obtained
after mp3 compression of the watermarked file... MatlabMatlab
Simple watermark embedding system
by Krzysztof Parobczak
Military University of Technology
Simple and easy to use application for embedding
and extracting hidden data in images.
Application implements simple author algoritm
using least significant bits of chroma c... MatlabMatlab
code consists of a matlab code for watermarking the image .
if u want to do water marking using any other image then using this code u can do so my taking 2 images 1 for watering marking and other for doing a watermark ... MatlabMatlab
According to the similarity constant character of image maximum DCT normalization coefficient, an image digital watermark algorithm
based on spread spectrum coding is proposed, which uses spread spectrum strategy to insert larger quantity of watermark into original images. It has
% Implementation of
% J. Tian, "Reversible watermarking by Difference Expansion", ACM Multimedia and Security
% Workshop, December 2002. (Implemented this paper)
% J. Tian, “Reversible Data Embedding Using a Difference Expansion”, IEEE Transactions on
% Circuits an... MatlabMatlab
A grey-level image may be seen as a topographic relief, where the grey level of a pixel is interpreted as its altitude in the relief. A drop of water falling on a topographic relief flows along a path to finally reach a local minimum. Intuitively, the watershed of... MatlabMatlab
The project will allow
user to process embedded information into another object/signal can be termed
as watermarking, which allows Copyright Protection inserts copyright
information into the digital object without the loss of quality.
Project mainly works on
st... Image EditingVB
Various papers relate to watermarking is given to you. Various papers relate to watermarking is given to you. Various papers relate to watermarking is given to you.Various papers relate to watermarking is given to you.Various papers relate to watermarking is given to you.Various papers relate to wat... MatlabMatlab
Interactive GUI for drawing regions of interest (ROIs). Has a similar interface to ROIPOLY. However, the delineation of complex and irregular objects is supported by the livewire or intelligent scissors algorithm: Instead of connection user-selected anchor points with straight... MatlabMatlab
We have 3 controller here, they are PID controller, Fuzzy Toolbox in MATLAB and Fuzzy matlab code.
As a more advanced look at the possibilities of fuzzy logic we will look at the control of a water tank. This water tank has a pipe flowing in and a pipe flowing out. The inpu... MatlabMatlab
Many researchers were used the additive method
of digital watermarking images which we quote for example
Anuradha and Rudresh Pratap Singh (2006) . However, this
paper proposes an additive watermarking method by invoking
Particle Swarm Optimization (PSO) technique in wavelet
domain to improv... MatlabMatlab
digital image watermarking is done in spatial domain for security of information transmission.
1. Title the message-object out to cover-object size to generate watermark.
2. Set the LSB of cover-object... MatlabMatlab