A Rate-Distortion Optimized Coding Method for Region of Interest in Scalable Video Coding

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/am/volume-2015/489089/figures/489089.fig.0013a.svgz" name="489089.fig.0013a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Input</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/am/volume-2015/489089/figures/489089.fig.0013b.svgz" name="489089.fig.0013b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Orig</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/am/volume-2015/489089/figures/489089.fig.0013c.svgz" name="489089.fig.0013c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>mdrdo</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/am/volume-2015/489089/figures/489089.fig.0013d.svgz" name="489089.fig.0013d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>mdrdo + <svg height="13.0867pt" id="M115" style="vertical-align:-3.4088pt" version="1.1" viewbox="-0.0498162 -9.6779 19.416 13.0867" width="19.416pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0135,0,0,-0.0135,0,0)"><path d="M529 97L508 118C475 75 449 58 438 58C428 58 421 66 415 104C393 234 374 403 364 496C345 670 307 712 254 712C220 712 174 691 153 669L161 645C176 653 194 658 206 658C237 658 261 640 278 562C287 522 290 483 293 434C223 269 110 105 23 9L32 -12C59 -6 85 0 108 7C152 64 251 252 300 366C307 297 315 221 337 82C346 24 363 -12 393 -12C425 -12 475 13 529 97Z" id="g113-233"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="552" vert-adv-y="552"></glyph.data></g><g transform="matrix(.0095,0,0,-0.0095,8.088,3.264)"><path d="M181 342V451C133 431 89 419 40 411V388C98 381 102 377 102 311V104C102 38 95 32 33 26V0H263V26C186 32 181 38 181 104V287C203 343 235 372 261 372C277 372 289 366 304 352C310 346 318 345 330 350C349 359 362 379 362 399C362 422 338 449 304 449C256 449 213 393 183 342H181Z" id="g190-115"></path><glyph.data ascent="989" descent="-360" horiz-adv-x="371" vert-adv-y="371"></glyph.data></g><g transform="matrix(.0095,0,0,-0.0095,11.483,3.264)"><path d="M257 449C165 449 37 374 37 209C37 98 119 -12 256 -12C355 -12 473 65 473 226C473 349 381 449 257 449ZM244 416C333 416 380 320 380 204C380 67 329 21 267 21C184 21 130 115 130 241C130 354 184 416 244 416Z" id="g190-112"></path><glyph.data ascent="989" descent="-360" horiz-adv-x="510" vert-adv-y="510"></glyph.data></g><g transform="matrix(.0095,0,0,-0.0095,16.205,3.264)"><path d="M135 536C164 536 186 560 186 587C186 617 164 639 136 639C109 639 85 617 85 587C85 560 109 536 135 536ZM252 0V26C188 32 181 38 181 106V451C138 433 90 420 39 412V388C99 379 102 374 102 312V106C102 38 95 32 32 26V0H252Z" id="g190-106"></path><glyph.data ascent="989" descent="-360" horiz-adv-x="268" vert-adv-y="268"></glyph.data></g></svg></td></tr></table>

<div>Visual quality comparison under “Dec ROI” scenario for the “stefan” sequence.</div>

Advances in Multimedia

fig13

Figure 13

Figure 13: A Rate-Distortion Optimized Coding Method for Region of Interest in Scalable Video Coding 