Blind Image Watermarking Based on Adaptive Data Spreading in<i> n</i>-Level DWT Subbands

<table class="fixed-width table-group" id="tab2"><tr><td><table class="table"><colgroup><col style="width:4.79em"/><col style="width:3.00em"/><col style="width:2.58em"/><col style="width:2.58em"/><col style="width:2.95em"/></colgroup><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Subband</td><td class="align_center">LL</td><td class="align_center">LH</td><td class="align_center">HL</td><td class="align_center">HH</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left"><span style="width: 19.4241ptpx;"><svg height="15.1122pt" id="M69" style="vertical-align:-6.15008pt" version="1.1" viewbox="-0.0498162 -8.96212 19.4241 15.1122" width="19.4241pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M620 675H597C578 656 570 650 541 650H144C112 650 104 653 94 675H72C59 618 42 552 23 493L53 491C71 534 88 564 105 585C124 608 144 615 238 615H290L197 121C182 40 174 34 88 28L82 0H361L367 28C275 34 266 38 281 121L374 615H441C522 615 543 608 553 583C562 560 566 531 565 493L597 494C603 551 612 629 620 675Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,7.176,3.132)"><path d="M463 633C453 636 427 644 417 648C388 660 349 667 316 667C183 667 100 592 100 483C100 398 176 335 223 305L259 282C321 242 358 203 358 149C358 66 301 22 234 22C110 22 70 131 57 208L24 205L28 48C51 23 128 -17 215 -17C342 -17 446 60 446 174C446 262 394 310 317 361L284 383C229 420 183 455 183 515C183 569 222 628 298 628C384 628 418 563 428 481L461 487C459 527 458 593 463 633Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,11.48,5.233)"><path d="M513 91L497 125C461 87 438 71 424 71C416 71 410 77 419 106C440 174 459 243 472 310C497 441 467 454 445 454C419 454 393 443 360 424C319 400 237 344 180 265H178L196 336C217 421 207 454 182 454C146 454 84 416 25 354L42 318C66 342 103 368 113 368C119 368 124 362 117 333L31 -2L41 -12C59 -3 91 5 119 11C133 76 146 123 162 180C214 262 337 384 383 384C404 384 411 371 391 304C370 233 350 165 333 90C318 24 328 -12 359 -12C385 -12 449 23 513 91Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,14.873,5.233)"><path d="M202 22C202 97 141 138 100 138C74 138 46 121 46 92C46 74 56 66 61 64C97 55 127 31 127 -5C127 -43 97 -68 44 -90L59 -129C127 -110 202 -64 202 22Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,16.472,5.233)"><path d="M240 669C247 699 245 708 234 708C225 708 156 682 74 672L71 638H100C148 638 150 629 142 591L40 111C19 11 38 -12 56 -12C91 -12 176 40 227 102L211 134C180 102 133 70 121 70C117 70 110 75 117 107L240 669Z"></path></g></svg></span></td><td class="align_center">1.5</td><td class="align_center">2.0</td><td class="align_center">2.0</td><td class="align_center">2.0</td></tr><tr><td class="align_left" colspan="5"><hr/></td></tr><tr><td class="align_left"><span style="width: 21.1335ptpx;"><svg height="15.1122pt" id="M70" style="vertical-align:-6.15008pt" version="1.1" viewbox="-0.0498162 -8.96212 21.1335 15.1122" width="21.1335pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M620 675H597C578 656 570 650 541 650H144C112 650 104 653 94 675H72C59 618 42 552 23 493L53 491C71 534 88 564 105 585C124 608 144 615 238 615H290L197 121C182 40 174 34 88 28L82 0H361L367 28C275 34 266 38 281 121L374 615H441C522 615 543 608 553 583C562 560 566 531 565 493L597 494C603 551 612 629 620 675Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,7.176,3.132)"><path d="M463 633C453 636 427 644 417 648C388 660 349 667 316 667C183 667 100 592 100 483C100 398 176 335 223 305L259 282C321 242 358 203 358 149C358 66 301 22 234 22C110 22 70 131 57 208L24 205L28 48C51 23 128 -17 215 -17C342 -17 446 60 446 174C446 262 394 310 317 361L284 383C229 420 183 455 183 515C183 569 222 628 298 628C384 628 418 563 428 481L461 487C459 527 458 593 463 633Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,11.48,5.233)"><path d="M513 91L497 125C461 87 438 71 424 71C416 71 410 77 419 106C440 174 459 243 472 310C497 441 467 454 445 454C419 454 393 443 360 424C319 400 237 344 180 265H178L196 336C217 421 207 454 182 454C146 454 84 416 25 354L42 318C66 342 103 368 113 368C119 368 124 362 117 333L31 -2L41 -12C59 -3 91 5 119 11C133 76 146 123 162 180C214 262 337 384 383 384C404 384 411 371 391 304C370 233 350 165 333 90C318 24 328 -12 359 -12C385 -12 449 23 513 91Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,14.873,5.233)"><path d="M202 22C202 97 141 138 100 138C74 138 46 121 46 92C46 74 56 66 61 64C97 55 127 31 127 -5C127 -43 97 -68 44 -90L59 -129C127 -110 202 -64 202 22Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,16.472,5.233)"><path d="M518 91L498 124C471 95 432 74 423 74C415 74 414 79 421 107L477 335C501 432 472 454 441 454C416 454 391 447 361 430C308 400 221 341 163 271H161L249 660C258 700 255 708 246 708C229 708 168 680 86 673L83 640H118C155 640 159 636 149 587L25 -4L34 -12C58 -4 90 5 112 10C119 63 131 130 144 187C197 269 326 386 379 386C398 386 404 366 390 310L335 87C320 25 326 -12 356 -12C395 -12 462 24 518 91Z"></path></g></svg></span></td><td class="align_center">2.5</td><td class="align_center">8.0</td><td class="align_center">8.0</td><td class="align_center">8.0</td></tr><tr><td class="align_left" colspan="5"><hr/></td></tr><tr><td class="align_left"><span style="width: 16.0771ptpx;"><svg height="14.6294pt" id="M71" style="vertical-align:-5.34107pt" version="1.1" viewbox="-0.0498162 -9.28833 16.0771 14.6294" width="16.0771pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M558 587C558 666 497 712 432 712C379 712 330 691 284 650C212 586 178 508 148 348L71 -65C49 -185 35 -229 23 -235L27 -261C49 -259 101 -251 124 -224C131 -216 138 -178 159 -24C171 66 197 200 227 356C264 550 295 668 393 668C443 668 479 632 479 575C479 516 446 458 383 418C361 404 344 398 318 397L296 350C395 338 460 281 460 192C460 110 411 40 300 40C258 40 215 55 192 69L181 51C191 18 222 -16 266 -16C308 -16 351 1 397 26C471 67 545 142 545 221C545 315 486 365 401 395C469 437 558 498 558 587Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,7.228,3.132)"><path d="M463 633C453 636 427 644 417 648C388 660 349 667 316 667C183 667 100 592 100 483C100 398 176 335 223 305L259 282C321 242 358 203 358 149C358 66 301 22 234 22C110 22 70 131 57 208L24 205L28 48C51 23 128 -17 215 -17C342 -17 446 60 446 174C446 262 394 310 317 361L284 383C229 420 183 455 183 515C183 569 222 628 298 628C384 628 418 563 428 481L461 487C459 527 458 593 463 633Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,11.532,5.233)"><path d="M513 91L497 125C461 87 438 71 424 71C416 71 410 77 419 106C440 174 459 243 472 310C497 441 467 454 445 454C419 454 393 443 360 424C319 400 237 344 180 265H178L196 336C217 421 207 454 182 454C146 454 84 416 25 354L42 318C66 342 103 368 113 368C119 368 124 362 117 333L31 -2L41 -12C59 -3 91 5 119 11C133 76 146 123 162 180C214 262 337 384 383 384C404 384 411 371 391 304C370 233 350 165 333 90C318 24 328 -12 359 -12C385 -12 449 23 513 91Z"></path></g></svg></span></td><td class="align_center">0.04</td><td class="align_center">0.2</td><td class="align_center">0.2</td><td class="align_center">0.28</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Security and Communication Networks

tab2

Table 2

Table 2: Blind Image Watermarking Based on Adaptive Data Spreading in<i> n</i>-Level DWT Subbands 

Security and Communication Networks

Blind Image Watermarking Based on Adaptive Data Spreading in n-Level DWT Subbands

Table 2