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flykhan
2026-05-03 11:47:30 +08:00
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<svg width="700" height="220" xmlns="http://www.w3.org/2000/svg">
<text x="350" y="22" fill="#333" font-size="14" font-weight="bold" text-anchor="middle">Colour Image Decomposed into RGB Channels</text>
<!-- Original colour image (simplified grid) -->
<text x="90" y="48" fill="#666" font-size="11" text-anchor="middle">Colour Image</text>
<rect x="30" y="55" width="120" height="120" rx="4" fill="#444" stroke="#333" stroke-width="1.5"/>
<!-- Coloured blocks to represent an image -->
<rect x="34" y="59" width="28" height="28" fill="#e74c3c" opacity="0.9"/>
<rect x="62" y="59" width="28" height="28" fill="#c0392b"/>
<rect x="90" y="59" width="28" height="28" fill="#27ae60"/>
<rect x="118" y="59" width="28" height="28" fill="#2ecc71"/>
<rect x="34" y="87" width="28" height="28" fill="#d35400"/>
<rect x="62" y="87" width="28" height="28" fill="#f39c12"/>
<rect x="90" y="87" width="28" height="28" fill="#3498db"/>
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<!-- Arrow -->
<line x1="160" y1="115" x2="195" y2="75" stroke="#e74c3c" stroke-width="1.5"/>
<polygon points="195,72 198,80 191,78" fill="#e74c3c"/>
<line x1="160" y1="115" x2="195" y2="115" stroke="#27ae60" stroke-width="1.5"/>
<polygon points="195,112 198,115 195,118" fill="#27ae60"/>
<line x1="160" y1="115" x2="195" y2="155" stroke="#3498db" stroke-width="1.5"/>
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<!-- Red channel -->
<text x="280" y="48" fill="#e74c3c" font-size="11" font-weight="bold" text-anchor="middle">Red Channel</text>
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<rect x="224" y="59" width="28" height="23" fill="#e74c3c" opacity="0.8"/>
<rect x="252" y="59" width="28" height="23" fill="#e74c3c" opacity="0.7"/>
<rect x="280" y="59" width="28" height="23" fill="#e74c3c" opacity="0.1"/>
<rect x="308" y="59" width="28" height="23" fill="#e74c3c" opacity="0.1"/>
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<rect x="252" y="82" width="28" height="24" fill="#e74c3c" opacity="0.9"/>
<rect x="280" y="82" width="28" height="24" fill="#e74c3c" opacity="0.15"/>
<rect x="308" y="82" width="28" height="24" fill="#e74c3c" opacity="0.1"/>
<text x="280" y="130" fill="#e74c3c" font-size="10" text-anchor="middle">Bright where red</text>
<!-- Green channel -->
<text x="460" y="48" fill="#27ae60" font-size="11" font-weight="bold" text-anchor="middle">Green Channel</text>
<rect x="400" y="55" width="120" height="55" rx="4" fill="#27ae60" opacity="0.08" stroke="#27ae60" stroke-width="1.5"/>
<rect x="404" y="59" width="28" height="23" fill="#27ae60" opacity="0.1"/>
<rect x="432" y="59" width="28" height="23" fill="#27ae60" opacity="0.1"/>
<rect x="460" y="59" width="28" height="23" fill="#27ae60" opacity="0.7"/>
<rect x="488" y="59" width="28" height="23" fill="#27ae60" opacity="0.8"/>
<rect x="404" y="82" width="28" height="24" fill="#27ae60" opacity="0.4"/>
<rect x="432" y="82" width="28" height="24" fill="#27ae60" opacity="0.6"/>
<rect x="460" y="82" width="28" height="24" fill="#27ae60" opacity="0.15"/>
<rect x="488" y="82" width="28" height="24" fill="#27ae60" opacity="0.1"/>
<text x="460" y="130" fill="#27ae60" font-size="10" text-anchor="middle">Bright where green</text>
<!-- Blue channel -->
<text x="640" y="48" fill="#3498db" font-size="11" font-weight="bold" text-anchor="middle">Blue Channel</text>
<rect x="580" y="55" width="120" height="55" rx="4" fill="#3498db" opacity="0.08" stroke="#3498db" stroke-width="1.5"/>
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<rect x="612" y="59" width="28" height="23" fill="#3498db" opacity="0.05"/>
<rect x="640" y="59" width="28" height="23" fill="#3498db" opacity="0.2"/>
<rect x="668" y="59" width="28" height="23" fill="#3498db" opacity="0.15"/>
<rect x="584" y="82" width="28" height="24" fill="#3498db" opacity="0.05"/>
<rect x="612" y="82" width="28" height="24" fill="#3498db" opacity="0.05"/>
<rect x="640" y="82" width="28" height="24" fill="#3498db" opacity="0.8"/>
<rect x="668" y="82" width="28" height="24" fill="#3498db" opacity="0.7"/>
<text x="640" y="130" fill="#3498db" font-size="10" text-anchor="middle">Bright where blue</text>
<!-- Bottom note -->
<rect x="150" y="175" width="400" height="35" rx="6" fill="#f5f5f5" stroke="#333" stroke-width="1"/>
<text x="350" y="192" fill="#333" font-size="10" text-anchor="middle">Each channel is a grayscale intensity map for one colour.</text>
<text x="350" y="205" fill="#666" font-size="10" text-anchor="middle">Shape: (H, W, 3) — height × width × 3 channels</text>
</svg>
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