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program.js
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window.addEventListener('load', watermarkF());
//programWatermarkSadrzaj => proJS
//let programWatermarkSadrzaj = document.querySelector('.programWatermarkSadrzaj');
//programWatermarkSadrzaj.addEventListener('load', watermarkF());
function watermarkF(){
let proJS = document.createElement('div');
document.body.appendChild(proJS);
proJS.style.width = '70%';
proJS.style.margin = '0 auto 0 auto';
//a.target.removeEventListener(a.type, arguments.callee);
//proJS.textContent = 'Watermark tehnike | JavaScript';
proJS.textContent = 'Watermark techniques | JavaScript';
let opisA = document.createElement('p');
/*
let jezikSR = document.createElement('p');
jezikSR.textContent = 'SR';
proJS.appendChild(jezikSR);
let jezikEN = document.createElement('p');
jezikEN.textContent = 'EN';
proJS.appendChild(jezikEN);
*/
//opisA.textContent = 'Prikaz menija za dodavanje watermarka: ';
opisA.textContent = 'Show watermark insertion menu: ';
proJS.appendChild(opisA);
//let meniA = document.createElement('class');
let slikawA = document.createElement('img');
let divSlikawA = document.createElement('div');
proJS.appendChild(divSlikawA);
divSlikawA.appendChild(slikawA);
slikawA.src = 'ico/meniA.png';
slikawA.style.padding = '0.5em';
slikawA.style.border = '2px';
slikawA.style.color = 'rgb(47, 38, 173)';
slikawA.style.width = '2em';
slikawA.style.borderRadius = '10px';
slikawA.style.margin = '0 auto 0 auto';
slikawA.addEventListener('mouseover', () => {
slikawA.style.borderStyle = 'dotted';
});
slikawA.addEventListener('mouseout', () => {
slikawA.style.borderStyle = 'dashed';
});
slikawAsl = new Image();
//slikaAf()
function slikaAf(a){
a.target.removeEventListener(a.type, arguments.callee);
/*divA */
let divA = document.createElement('div');
proJS.appendChild(divA);
let wA = document.createElement('p');
//wA.textContent = 'Unesite originalnu sliku: ';
wA.textContent = 'Insert the original image: ';
divA.appendChild(wA);
let ulazA = document.createElement('input');
ulazA.type = 'file';
divA.appendChild(ulazA);
let whrA = document.createElement('hr');
whrA.width = 300;
divA.appendChild(whrA);
//let
let wKanvasA = document.createElement('canvas');
divA.appendChild(wKanvasA);
//let
let ctxWkanvasA = wKanvasA.getContext('2d');
ulazA.addEventListener('change', function(){
if(this.files && this.files[0]){
slikawAsl.src = URL.createObjectURL(this.files[0]);
slikawAsl.addEventListener('load', function(){
if(slikawAsl.width >= 1920){
wKanvasA.width = slikawAsl.width;
wKanvasA.height = slikawAsl.height;
} else {
wKanvasA.width = slikawAsl.width;
wKanvasA.height = slikawAsl.height;
}
//ctxWkanvasA.clearRect(0, 0, wKanvasA.width, wKanvasA.height);
ctxWkanvasA.drawImage(slikawAsl, 0, 0, wKanvasA.width, wKanvasA.height);
//Novo
let wA3 = document.createElement('p');
//wA3.textContent = 'Vrednosti piksela ulazne slike: ';
wA3.textContent = 'Input image pixel values: ';
divA.appendChild(wA3);
//let
pikseliWA = document.createElement('textarea');
pikseliWA.style.border = '2px dotted rgb(47, 38, 173)';
pikseliWA.style.borderRadius = '10px';
divA.appendChild(pikseliWA);
let whrA6 = document.createElement('hr');
whrA.width = 300;
divA.appendChild(whrA6);
let pikseliWApikseli = ctxWkanvasA.getImageData(0, 0, wKanvasA.width, wKanvasA.height);
//console.log(pikseliWApikseli.data);
//Globalni niz - bez let
pikseliWAniz = new Array();
for(let i = 0; i < pikseliWApikseli.data.length; i++){
pikseliWAniz.push(pikseliWApikseli.data[i]);
};
pikseliWA.value = pikseliWAniz;
//a
let wA4 = document.createElement('p');
//Novo | 14.3.2022. : test 256
//wA4.textContent = 'Vrednosti prvih 64 piksela ulazne slike: ';
wA4.textContent = 'Values the first 64 pixels of the input image: ';
divA.appendChild(wA4);
//let
pikseliWA64 = document.createElement('textarea');
pikseliWA64.style.border = '2px dotted rgb(47, 38, 173)';
pikseliWA64.style.borderRadius = '10px';
divA.appendChild(pikseliWA64);
let whrA7 = document.createElement('hr');
whrA7.width = 300;
divA.appendChild(whrA7);
let pikseliWApikseli64 = ctxWkanvasA.getImageData(0, 0, wKanvasA.width, wKanvasA.height);
//Globalni niz - bez let
pikseliWAniz64 = new Array();
//Novi test: 1024 umesto 256 => PSNR(1024) = 42dB PSNR(256) = 56
//Novi test #2 128 PSNR(128) = 61.77 dB
//Novi test #3 64 PSNR(64) = 66.55 dB
for(let i = 0; i < 64; i++){
pikseliWAniz64.push(pikseliWApikseli64.data[i]);
};
pikseliWA64.value = pikseliWAniz64;
//console.log(pikseliWAniz64);
//////////
/////////
//Aca 2.4.4 24.3.2022. Čet. | Test #1
/*
let whrA1 = document.createElement('hr');
whrA1.width = 300;
divA.appendChild(whrA1);
*/
let btnWnovaSlika = document.createElement('button');
divA.appendChild(btnWnovaSlika);
//btnWnovaSlika.textContent = 'Nova slika';
btnWnovaSlika.textContent = 'New image';
btnWnovaSlika.addEventListener('click', () => {
ulazA.value = '';
pikseliWA.value = '';
pikseliWA64.value = '';
ctxWkanvasA.clearRect(0, 0, wKanvasA.width, wKanvasA.height);
pkA.value = '';
});
/*divA */
/*divA1 */
//Generisanje pseudo-slučajnog koda:
let divA1 = document.createElement('div');
proJS.appendChild(divA1);
let wA1 = document.createElement('p');
//wA1.textContent = 'Generisanje pseudo-slučajnog koda: ';
wA1.textContent = 'Generate pseudo-random code: ';
divA1.appendChild(wA1);
let btnWpseudoKod = document.createElement('button');
//btnWpseudoKod.textContent = 'Pseudo-kod';
btnWpseudoKod.textContent = 'Pseudo-code';
btnWpseudoKod.style.width = '8em';
divA1.appendChild(btnWpseudoKod);
let N = 64;
//Globalni niz - bez let
nizA = new Array();
btnWpseudoKod.addEventListener('click', () => {
const bitovi = (a, b) => {
return Math.floor((Math.random() * (b - a + 0.75))) + a;
}
for(let i = 0; i <N; i++){
nizA.push(bitovi(0, 1));
}
console.log(nizA);
//let
pkA = document.createElement('textarea');
pkA.style.border = '2px dotted rgb(47, 38, 173)';
pkA.style.borderRadius = '10px';
pkA.value = nizA;
divA1.appendChild(pkA);
let pkAt = document.createElement('p');
//pkAt.textContent = 'Broj elemenata pseudo-slučajne sekvence: ';
pkAt.textContent = 'Number of pseudo-random sequence elements: ';
divA1.appendChild(pkAt);
let pkAi = document.createElement('input');
pkAi.value = nizA.length;
divA1.appendChild(pkAi);
let whrA5 = document.createElement('hr');
whrA5.width = 300;
proJS.appendChild(whrA5);
});
/*divA1 */
let divAa = document.createElement('div');
proJS.appendChild(divAa);
//BPSK modulacija
let btnBit = document.createElement('button');
btnBit.textContent = 'BPSK';
divAa.appendChild(btnBit);
btnBit.addEventListener('click', function(){
console.log('Aca 2.4.4 | 14.3.2022. Pon. - BPSK početak');
console.log('Aca 2.4.4 | 24.3.2022. Čet. - BPSK nastavak');
//bit = [1, 0, 1, 0, 1];
console.log('Sekvenca ulaznih bita: ', nizA);
let canvasBit = document.createElement('canvas');
divAa.appendChild(canvasBit);
const ctxBit = canvasBit.getContext('2d');
const bitGraf = new Chart(ctxBit, {
type: 'bar',
data: {
labels: nizA,
datasets: [{
label: 'Pseudo-code value | Input signal',
data: nizA,
backgroundColor: [
'rgba(47, 38, 173, 0.2)'
//'rgba(255, 99, 132, 0.2)',
//'rgba(54, 162, 235, 0.2)',
//'rgba(255, 206, 86, 0.2)',
//'rgba(75, 192, 192, 0.2)',
//'rgba(153, 102, 255, 0.2)',
//'rgba(255, 159, 64, 0.2)'
],
borderColor: [
//'rgba(255, 99, 132, 1)',
//'rgba(54, 162, 235, 1)',
//'rgba(255, 206, 86, 1)',
//'rgba(75, 192, 192, 1)',
//'rgba(153, 102, 255, 1)',
//'rgba(255, 159, 64, 1)'
'black'
],
borderWidth: 1
}]
},
options: {
scales: {
y: {
beginAtZero: true
}
}
}
});
console.log('Sekvenca bez vraćanja na nulu - NRZ');
NRZsekvenca = new Array();
Vp = 1;
NRZsekvenca = nizA.map((a) => {
if(a >= 1){
return a * Vp;
} else if(a < 1){
return -Vp;
}
});
console.log('Nove vrednosti NRZ sekvence su: ', NRZsekvenca);
let canvasNRZ = document.createElement('canvas');
divAa.appendChild(canvasNRZ);
const ctxNRZ = canvasNRZ.getContext('2d');
const NRZGraf = new Chart(ctxNRZ, {
type: 'bar',
data: {
labels: nizA,
datasets: [{
label: 'Pseudo code-value | NRZ | Input signal',
data: NRZsekvenca,
backgroundColor: [
'rgba(47, 38, 173, 0.2)'
//'rgba(255, 99, 132, 0.2)',
//'rgba(54, 162, 235, 0.2)',
//'rgba(255, 206, 86, 0.2)',
//'rgba(75, 192, 192, 0.2)',
//'rgba(153, 102, 255, 0.2)',
//'rgba(255, 159, 64, 0.2)'
],
borderColor: [
//'rgba(255, 99, 132, 1)',
//'rgba(54, 162, 235, 1)',
//'rgba(255, 206, 86, 1)',
//'rgba(75, 192, 192, 1)',
//'rgba(153, 102, 255, 1)',
//'rgba(255, 159, 64, 1)'
'black'
],
borderWidth: 1
}]
},
options: {
scales: {
y: {
beginAtZero: true
}
}
}
});
f = 5;
T = 1;
t = 0.05;
nosilac = new Array();
vr = new Number();
nosilac = NRZsekvenca.map(a => {
return (a * (Math.sqrt(2/T)) * Math.cos(2 * Math.PI * f * t)).toFixed(2);
});
/*
//test preko for petlje
for(let i = 0; i < f; i +=t){
vr = (Math.sqrt(2/T)) * Math.cos(2 * Math.PI * f * t * i);
nosilac.push(vr);
}
*/
modulacija = new Array();
modulacijaA = new Array();
modulacijaAa = new Array();
s = 0;
sNiz = new Array();
modulacija = nosilac.map(a => {
for(let i = 0; i < f; i += t){
s++;
vr = Number((Math.sqrt(2/T)) * Math.cos(2 * Math.PI * f * t * i)).toFixed(2);
modulacijaA.push(vr);
sNiz.push(s);
if(a > 0){
modulacijaAa = modulacijaA.map(a => a);
} else {
modulacijaAa = modulacijaA.map(a => - a);
}
}
return modulacijaAa;
});
console.log('Nosilac: ', nosilac);
console.log('ModulacijaA: ', modulacijaA);
console.log('ModulacijaAa: ', modulacijaAa);
let canvasModulacija = document.createElement('canvas');
divAa.appendChild(canvasModulacija);
const ctxModulacija = canvasModulacija.getContext('2d');
const modulacijaGraf = new Chart(ctxModulacija, {
type: 'bar',
data: {
labels: sNiz, //modulacijaA
datasets: [{
//label: 'Vrednosti signala nakon BPSK modulacije',
label: 'Signal values after BPSK modulation',
data: modulacijaAa,
backgroundColor: [
'rgba(47, 38, 173, 0.2)'
//'rgba(255, 99, 132, 0.2)',
//'rgba(54, 162, 235, 0.2)',
//'rgba(255, 206, 86, 0.2)',
//'rgba(75, 192, 192, 0.2)',
//'rgba(153, 102, 255, 0.2)',
//'rgba(255, 159, 64, 0.2)'
],
borderColor: [
//'rgba(255, 99, 132, 1)',
//'rgba(54, 162, 235, 1)',
//'rgba(255, 206, 86, 1)',
//'rgba(75, 192, 192, 1)',
//'rgba(153, 102, 255, 1)',
//'rgba(255, 159, 64, 1)'
'black'
],
borderWidth: 1
}]
},
options: {
scales: {
y: {
beginAtZero: true
}
}
}
});
//
console.log('Bit: ', nizA);
console.log('NRZ sekvenca: ', NRZsekvenca);
console.log('Nosilac: ', nosilac);
console.log('Modulacija: ', modulacija);
console.log('sNiz: ', sNiz);
//Aca 2.4.4 24.3.2022. Čet. | test
nizM = new Array(64);
console.log('modulacijaAa: ', modulacijaAa);
nizMf = new Array();
arSrMf = new Number();
let aN = Number(Math.round(Math.random() * 10));
console.log('aN = ', aN);
for(let i = aN; i < aN + 64; i++){
nizM.push(modulacijaAa[i]);
}
nizMf = nizM.filter(String);
arSrMf = Number((nizMf.reduce((a, b) => a + b) / nizMf.length).toFixed(2));
console.log('nizM: ', nizM);
console.log('nizMf: ', nizMf);
console.log('vrMf: ', arSrMf);
});
/*divA2 */
let whrA8 = document.createElement('hr');
whrA8.width = 300;
proJS.appendChild(whrA8);
let divA2 = document.createElement('div');
proJS.appendChild(divA2);
let wA4a = document.createElement('p');
//wA4a.textContent = 'Zamena vrednosti koeficijenata ulazne slike i pseudo-slučajne sekvence: ';
wA4a.textContent = 'Changing the values ot the input coefficients of the image and the pseudo-random sequence: ';
divA2.appendChild(wA4a);
let btnWproracun = document.createElement('button');
//btnWproracun.textContent = 'Proračun';
btnWproracun.textContent = 'Computation';
divA2.appendChild(btnWproracun);
btnWproracun.addEventListener('click', function(){
let wA5 = document.querySelector('p');
//wA5.textContent = 'Proračun: ';
wA5.textContent = 'Computation: ';
divA2.appendChild(wA5);
let whrA9 = document.createElement('hr');
whrA9.width = 300;
divA2.appendChild(whrA9);
proracunWA = document.createElement('textarea');
proracunWA.style.border = '2px dotted rgb(47, 38, 173)';
proracunWA.style.borderRadius = '10px';
divA2.appendChild(proracunWA);
proracunNizA = new Array();
//console.log('Prvih 64 piksela ulazne slike: ', pikseliWAniz64);
//console.log('Pseudo-slučajna sekvenca: ', nizA);
/*
//Novo - test:
//Podela niza na podnizove:
podnizA = new Array();
podnizAf = new Array();
podnizAo = new Array();
podnizAoF = new Array();
let br = 0;
for(let i = 0; i < 64; i+=8){
br++;
podnizA[br] = pikseliWAniz64.slice(i, i + 8);
if(br % 2 == 0){
podnizAo[br] = podnizA[br].map(a => a**2);
} else if(br % 2 == 1) {
podnizAo[br] = podnizA[br].map(a => a + 2);
}
}
podnizAf = podnizA.filter(String);
podnizAoF = podnizAo.filter(String);
//console.log('PodnizA: ', podnizA);
console.log('PodnizAf: ', podnizAf);
console.log('podnizAo: ', podnizAo);
console.log('podnizAoF: ', podnizAoF);
*/
proracunNizA = pikseliWAniz64.map((a, b) => {
//return a + Math.round(nizA[b] * 0.75);
return a - nizMf[b];
});
//let
podnizProracunA = new Array();
podnizProracunAf = new Array();
podnizProracunAo = new Array();
podnizProracunAoF = new Array();
noviNizProracun = new Array();
br = 0;
//Novoo | Test | 14.3.2022. | 8 => 4
for(let i = 0; i < 64; i+=4){
br++;
podnizProracunA[br] = proracunNizA.slice(i, i + 4);
if(br % 2 == 0){
//podnizProracunAo[br] = podnizProracunA[br].map(a => a + 1.35);
podnizProracunAo[br] = podnizProracunA[br].map(a => a + arSrMf);
} else if(br % 2 == 1){
//podnizProracunAo[br] = podnizProracunA[br].map(a => a - 0.75);
podnizProracunAo[br] = podnizProracunA[br].map(a => a - arSrMf);
}
}
podnizProracunAf = podnizProracunA.filter(String);
podnizProracunAoF = podnizProracunAo.filter(String);
noviNizProracun = podnizProracunAo.flat();
//console.log('Novi niz: ', proracunNizA);
//console.log('podnizProracunAf: ', podnizProracunAf);
//console.log('podnizProracunAoF: ', podnizProracunAoF);
//console.log('noviNizProracun: ', noviNizProracun);
//proracunWA.value = proracunNizA;
//Novoooo:
proracunWA.value = noviNizProracun;
console.log('proracunNizA: ', proracunNizA);
console.log('podnizProračunA: ', podnizProracunA);
console.log('podnizProracunAoF', podnizProracunAoF);
console.log('noviNizProracun: ', noviNizProracun);
});
let whrA4 = document.createElement('hr');
whrA4.width = 300;
proJS.appendChild(whrA4);
/*divA2 */
/*divA3 */
let divA3 = document.createElement('div');
proJS.appendChild(divA3);
let wA2 = document.createElement('p');
//wA2.textContent = 'Dodavanje watermarka: ';
wA2.textContent = 'Watermark insertion: ';
divA3.appendChild(wA2);
let btnWdodavanje = document.createElement('button');
//btnWdodavanje.textContent = 'Dodavanje';
btnWdodavanje.textContent = 'Insert';
divA3.appendChild(btnWdodavanje);
btnWdodavanje.addEventListener('click', () => {
let dodavanjeT = document.createElement('p');
//dodavanjeT.textContent = 'Slika sa (umetnutim) dodatim watermarkom: ';
dodavanjeT.textContent = 'Image with watermark inserted: ';
divA3.appendChild(dodavanjeT);
//let
wKanvasA1 = document.querySelector('canvas');
divA3.appendChild(wKanvasA1);
if(slikawAsl.width >= 1920){
wKanvasA1.width = slikawAsl.width;
wKanvasA1.height = slikawAsl.height;
} else {
wKanvasA1.width = slikawAsl.width;
wKanvasA1.height = slikawAsl.height;
}
sirina = slikawAsl.width;
visina = slikawAsl.height;
//console.log('Širina i visina su: ', sirina, visina);
//let
ctxWkanvasA1 = wKanvasA1.getContext('2d');
//console.log('Broj piksela ulazne slike je: ', pikseliWAniz.length);
slikaSaWatermarkomNiz = new Array();
slikaSaWatermarkomNizA1 = new Array();
for(let i = 64; i < pikseliWAniz.length; i++){
slikaSaWatermarkomNizA1.push(pikseliWAniz[i]);
}
//Novoooo: proracunNizA => noviNizProracun
//console.log('Prvih 64 elemenata niza nakon proračuna nad pikselima: ', noviNizProracun);
//console.log('Elementi slike bez prvih 64 vrednosti piksela: ', slikaSaWatermarkomNizA1);
slikaSaWatermarkomNiz = [].concat(noviNizProracun, slikaSaWatermarkomNizA1);
//console.log('Novi, sveobuhvatni niz slike sa umetnutim watermarkom: ', slikaSaWatermarkomNiz);
slikaSaWatermarkomNizU8C = new Uint8ClampedArray(slikaSaWatermarkomNiz);
//console.log('slikaSaWatermarkomNizU8C: ', slikaSaWatermarkomNizU8C);
slikaWslikaApodaci = new ImageData(slikaSaWatermarkomNizU8C, sirina, visina);
ctxWkanvasA1.putImageData(slikaWslikaApodaci, 0, 0);
});
let btnWnoviUnos = document.createElement('button');
//btnWnoviUnos.textContent = 'Novi unos';
btnWnoviUnos.textContent = 'New input';
divA3.appendChild(btnWnoviUnos);
btnWnoviUnos.addEventListener('click', () => {
window.location.reload(true);
});
/*divA3 */
let whrA4a = document.createElement('hr');
whrA4a.width = 300;
proJS.appendChild(whrA4a);
/*divA4 */
divA4 = document.createElement('div');
proJS.appendChild(divA4);
let wA6 = document.createElement('p');
//wA6.textContent = 'Izvlačenje watermarka: ';
wA6.textContent = 'Watermark extraction: ';
divA4.appendChild(wA6);
//let
let btnWizdvajanje = document.createElement('button');
btnWizdvajanje.textContent = 'Extract';
divA4.appendChild(btnWizdvajanje);
btnWizdvajanje.addEventListener('click', () => {
//let
let divA4a = document.createElement('div');
divA4.appendChild(divA4a);
let txtWiz = document.createElement('p');
txtWiz.textContent = 'Watermark value: ';
divA4a.appendChild(txtWiz);
let txtaWizdvajanje = document.createElement('textarea');
divA4a.appendChild(txtaWizdvajanje);
let wIzvlacenjeA = ctxWkanvasA1.getImageData(0, 0, wKanvasA1.width, wKanvasA1.height);
console.log('vIzvlacenjeNizA: ', wIzvlacenjeA);
let wWatermark = wIzvlacenjeA.data;
txtaWizdvajanje.value = wWatermark;
});
/*divA4 */
let whrA5 = document.createElement('hr');
whrA5.width = 300;
proJS.appendChild(whrA5);
/*divA5 */
divA5 = document.createElement('div');
proJS.appendChild(divA5);
let wA7 = document.createElement('p');
//wA7.textContent = 'Parametri za poređenje watermarka: ';
wA7.textContent = 'Watermark comparasion parameters: ';
divA5.appendChild(wA7);
let wA7a = document.createElement('p');
wA7a.style.fontWeight = 'bold';
//wA7a.textContent = 'PSNR i SSIM ';
wA7a.textContent = 'PSNR and SSIM ';
divA5.appendChild(wA7a);
/*divA5 */
let whrA6_ = document.createElement('hr');
whrA6_.width = 300;
proJS.appendChild(whrA6_);
/*divA6 */
//Izvlačenje watermarka
/*divA6 */
/*divA7 */
//Parametri za poređenje watermarka
divA6a = document.createElement('div');
proJS.appendChild(divA6a);
let btnWpodaci = document.createElement('button');
//btnWpodaci.textContent = 'Podaci';
btnWpodaci.textContent = 'Data';
divA6a.appendChild(btnWpodaci);
divA7 = document.createElement('div');
proJS.appendChild(divA7);
btnWpodaci.addEventListener('click', () => {
//wtPSNR - ***********
let wtPSNR = document.createElement('p');
//wtPSNR.textContent = 'Podaci o parametru PSNR: ';
wtPSNR.textContent = 'PSNR parameter data: ';
wtPSNR.style.fontWeight = 'bold';
divA7.appendChild(wtPSNR);
let whrA6a1 = document.createElement('hr');
whrA6a1.width = 300;
divA7.appendChild(whrA6a1);
//dimSlika
dimSlika = slikawAsl.width * slikawAsl.height;
console.log('Širina slike: ', slikawAsl.width);
console.log('Visina slike: ', slikawAsl.height);
console.log('Dimenzija slika: ', dimSlika);
let wDimSlika = document.createElement('p');
//wDimSlika.textContent = 'Dimenzije slike u pikselima: ';
wDimSlika.textContent = 'Image dimensions in pixels: ';
divA7.appendChild(wDimSlika);
let inpDimSlika = document.createElement('input');
inpDimSlika.value = `${slikawAsl.width} x ${slikawAsl.height}`;
divA7.appendChild(inpDimSlika);
/*
let whrA6b = document.createElement('hr');
whrA6b.width = 300;
divA7.appendChild(whrA6b);
*/
//S1
S1 = pikseliWAniz.reduce((a, b) => a + b, 0);
//console.log('S1 = ', S1);
let wS1 = document.createElement('p');
//wS1.textContent = 'Zbir svih piksela ulazne slike: ';
wS1.textContent = 'Sum of all pixels of the input image: ';
divA7.appendChild(wS1);
let inpS1 = document.createElement('input');
inpS1.value = S1;
divA7.appendChild(inpS1);
/*
let whrA7 = document.createElement('hr');
whrA7.width = 300;
divA7.appendChild(whrA7);
*/
//S2
S2 = slikaSaWatermarkomNiz.reduce((a, b) => a + b, 0);
//console.log('S2 = ', S2);
let wS2 = document.createElement('p');
//wS2.textContent = 'Zbir svih piksela slike sa watermarkom: ';
wS2.textContent = 'Sum of all pixels of the watermarked image: ';
divA7.appendChild(wS2);
let inpS2 = document.createElement('input');
inpS2.value = S2;
divA7.appendChild(inpS2);
/*
let whrA8 = document.createElement('hr');
whrA8.width = 300;
divA7.appendChild(whrA8);
*/
//srKvGr
srednjaKvadratnaGreska = (S1 - S2)**2 / dimSlika;
//console.log('Srednja kvadratna greška je: ', srednjaKvadratnaGreska);
//Novooo | Nova formula ta proračun srednje kvadratne greške | 10.3.2022.
srKvGrNiz = new Array();
srKvGrNiz = pikseliWAniz.map((a, b) => (a - slikaSaWatermarkomNiz[b])**2);
srKvGrVr = srKvGrNiz.reduce((a, b) => a + b, 0);
srednjaKvadratnaGreskaA = srKvGrVr / dimSlika;
console.log('srKvGrNiz: ', srKvGrNiz);
console.log('srKvGrVr: ', srKvGrVr);
console.log('srednjaKvadratnaGreska: ', srednjaKvadratnaGreska);
console.log('srednjaKvadratnaGreskaA: ', srednjaKvadratnaGreskaA);
let wSrKvVr = document.createElement('p');
//wSrKvVr.textContent = 'Srednja kvadratna greška: ';
wSrKvVr.textContent = 'Mean square error - MSE: ';
divA7.appendChild(wSrKvVr);
let inpSrKv = document.createElement('input');
inpSrKv.value = srednjaKvadratnaGreska;
divA7.appendChild(inpSrKv);
/*
let whrA8a = document.createElement('hr');
whrA8a.width = 300;
divA7.appendChild(whrA8a);
*/
//PSNR
PSNRv1 = 10 * Math.log10(255**2/ srednjaKvadratnaGreska);
PSNR = 10 * Math.log10(255**2/ srednjaKvadratnaGreskaA);
console.log('PSNRv1 = ', PSNRv1);
console.log('PSNR = ', PSNR);
let wPSNR = document.createElement('p');
wPSNR.textContent = 'Odnos signal-šum tj. PSNR: ';
wPSNR.textContent = 'Peak Signal to Noise Ratio - PSNR: ';
divA7.appendChild(wPSNR);
let inpPSNR = document.createElement('input');
inpPSNR.value = PSNR;
divA7.appendChild(inpPSNR);
let whrA9 = document.createElement('hr');
whrA9.width = 300;
divA7.appendChild(whrA9);
//wtSSIM - **********
let wtSSIM = document.createElement('p');
wtSSIM.textContent = 'Podaci o parametru SSIM: ';
wtSSIM.textContent = 'SSIM parameter data: ';
wtSSIM.style.fontWeight = 'bold';
divA7.appendChild(wtSSIM);
let whrA10 = document.createElement('hr');
whrA10.width = 300;
divA7.appendChild(whrA10);
//luminentnost (osvetljaj/osvetljenost)
//luminentnost - x
let Nx = pikseliWAniz.length;
let wNx = document.createElement('p');
wNx.textContent = 'Broj piksela originalne slike: ';
wNx.textContent = 'The number of pixels in the original image: ';
divA7.appendChild(wNx);
let inpNx = document.createElement('input');
inpNx.value = Nx;
divA7.appendChild(inpNx);
/*
let whrA11 = document.createElement('hr');
whrA11.width = 300;
divA7.appendChild(whrA11);
*/
//sumx
let sumx = pikseliWAniz.reduce((a, b) => a + b, 0);
let wsumx = document.createElement('p');
wsumx.textContent = 'Zbir piksela originalne slike: ';
wsumx.textContent = 'Pixel sum of the original image: ';
divA7.appendChild(wsumx);
let inpSumx = document.createElement('input');
inpSumx.value = sumx;
divA7.appendChild(inpSumx);
//mix
let mix = (1 / Nx) * sumx;
//console.log('Nx = ', Nx);
//console.log('sumx = ', sumx);
//console.log('mix = ', mix);
let wmix = document.createElement('p');
wmix.textContent = 'Osvetljenost (luminentost) originalne slike - mi(x): ';
wmix.textContent = 'Original image luminence - mi(x): ';
divA7.appendChild(wmix);
let inpWmix = document.createElement('input');
inpWmix.value = mix;
divA7.appendChild(inpWmix);
//luminentnost - y
//Ny
let Ny = slikaSaWatermarkomNiz.length;
let wNy = document.createElement('p');
wNy.textContent = 'Broj piksela slike sa watermarkom: ';
wNy.textContent = 'The number of pixels in the watermarked image: ';
divA7.appendChild(wNy);
let inpNy = document.createElement('input');
inpNy.value = Ny;
divA7.appendChild(inpNy);
//sumy
let sumy = slikaSaWatermarkomNiz.reduce((a, b) => a + b, 0);
let wsumy = document.createElement('p');
wsumy.textContent = 'Zbir svih piksela slike sa watermarkom: ';
wsumy.textContent = 'The sum of all pixels of the watermarked image: ';
divA7.appendChild(wsumy);
let inpWsumy = document.createElement('input');
inpWsumy.value = sumy;
divA7.appendChild(inpWsumy);
//miy
let miy = (1 / Ny) * sumy;
//console.log('Ny = ', Ny);
//console.log('sumy = ', sumy);
//console.log('miy = ', miy);
let wmiy = document.createElement('p');
wmiy.textContent = 'Osvetljenost (luminentnost) slike sa watermarkom - mi(y): ';