Image Processing and Feature Extraction for Hull Structure GMAW Based on Weld Pool Visual Sensing

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Performance index</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Dimensions</td><td class="align_center"><span style="width: 99.3801ptpx;"><svg height="11.9413pt" id="M6" style="vertical-align:-0.3499002pt" version="1.1" viewbox="-0.0498162 -11.5914 99.3801 11.9413" width="99.3801pt" 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="M384 0V27C293 34 287 42 287 114V635C232 613 172 594 109 583V559L157 557C201 555 205 550 205 499V114C205 42 199 34 109 27V0H384Z"></path></g><g transform="matrix(.013,0,0,-0.013,6.24,0)"><path d="M412 140C382 77 369 73 315 73H129L270 222C362 320 402 379 402 466C402 571 322 635 234 635C177 635 130 609 99 576L42 495L64 475C90 514 133 568 201 568C274 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38 93 32 27 26V0H238V26C189 32 180 38 180 103V338C210 363 250 390 289 390C351 390 377 348 377 275V103C377 37 368 32 306 26V0H520V26C465 32 456 38 456 101V296C456 314 455 326 453 338C491 369 529 390 565 390C628 390 653 345 653 274V107C653 36 642 32 583 26V0H797Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,94.116,-5.741)"><path d="M290 377C321 398 342 415 358 430C378 450 389 473 389 502C389 578 329 635 238 635H237C184 635 137 610 109 578L64 515L88 493C112 529 154 573 208 573S303 542 303 482C303 409 233 370 141 341L149 308C165 313 190 319 215 319C272 319 341 283 341 193C342 98 292 43 222 43C163 43 122 72 96 94C88 101 79 100 70 94C61 87 47 73 46 60C44 47 48 37 62 23C76 10 118 -12 165 -12C238 -12 430 62 430 223C430 297 379 359 290 375V377Z"></path></g></svg></span></td></tr><tr><td class="align_left">Detector</td><td class="align_center">2048-pixel Sony CCD</td></tr><tr><td class="align_left">Trigger delay</td><td class="align_center"><span style="width: 90.0971ptpx;"><svg 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class="align_center">3000 : 1</td></tr><tr><td class="align_left">SNR</td><td class="align_center">400 : 1</td></tr><tr><td class="align_left">Stray light</td><td class="align_center">&lt;0.1%</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Main performance indexes and technical parameters of spectral sensor system.</div>

Journal of Sensors

tab2

Table 2

Table 2: Image Processing and Feature Extraction for Hull Structure GMAW Based on Weld Pool Visual Sensing 