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ab1db83 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 | """Hero / landing page — NV-Generate masthead + three equal-height datasheet cards."""
from __future__ import annotations
import gradio as gr
# SVG modality glyphs — each is a recognizable anatomical silhouette of the modality.
# CT: axial body cross-section with spine and ribs.
# MR: a k-space spiral trajectory.
# MR-Brain: an axial brain outline with hemispheres.
SVG_CT = """
<svg viewBox="0 0 80 80" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
<!-- Axial body cross-section silhouette -->
<ellipse cx="40" cy="44" rx="30" ry="24" fill="none" stroke="currentColor" stroke-width="1.2"/>
<!-- Lungs (left & right) -->
<path d="M22 38 Q20 50 26 56 Q32 54 33 44 Q33 36 28 34 Q24 34 22 38 Z"
fill="none" stroke="currentColor" stroke-width="0.9" stroke-opacity="0.7"/>
<path d="M58 38 Q60 50 54 56 Q48 54 47 44 Q47 36 52 34 Q56 34 58 38 Z"
fill="none" stroke="currentColor" stroke-width="0.9" stroke-opacity="0.7"/>
<!-- Spine vertebra -->
<ellipse cx="40" cy="56" rx="5" ry="4" fill="none" stroke="currentColor" stroke-width="0.9"/>
<circle cx="40" cy="56" r="1.5" fill="currentColor" opacity="0.6"/>
<!-- Calibration ticks -->
<line x1="4" y1="44" x2="10" y2="44" stroke="currentColor" stroke-width="0.6" stroke-opacity="0.6"/>
<line x1="70" y1="44" x2="76" y2="44" stroke="currentColor" stroke-width="0.6" stroke-opacity="0.6"/>
<line x1="40" y1="14" x2="40" y2="20" stroke="currentColor" stroke-width="0.6" stroke-opacity="0.6"/>
<line x1="40" y1="68" x2="40" y2="74" stroke="currentColor" stroke-width="0.6" stroke-opacity="0.6"/>
</svg>
"""
SVG_MR = """
<svg viewBox="0 0 80 80" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
<!-- k-space spiral trajectory: concentric arcs forming an inward spiral -->
<circle cx="40" cy="40" r="6" fill="none" stroke="currentColor" stroke-width="1" stroke-opacity="1.0"/>
<circle cx="40" cy="40" r="12" fill="none" stroke="currentColor" stroke-width="1" stroke-opacity="0.8" stroke-dasharray="6 1"/>
<circle cx="40" cy="40" r="18" fill="none" stroke="currentColor" stroke-width="1" stroke-opacity="0.6" stroke-dasharray="8 2"/>
<circle cx="40" cy="40" r="24" fill="none" stroke="currentColor" stroke-width="1" stroke-opacity="0.4" stroke-dasharray="10 3"/>
<circle cx="40" cy="40" r="30" fill="none" stroke="currentColor" stroke-width="0.8" stroke-opacity="0.25" stroke-dasharray="12 4"/>
<!-- Radial sampling line from center outward -->
<line x1="40" y1="40" x2="62" y2="22" stroke="currentColor" stroke-width="1.2" stroke-linecap="round"/>
<circle cx="40" cy="40" r="1.8" fill="currentColor"/>
<circle cx="62" cy="22" r="1.5" fill="currentColor" opacity="0.6"/>
</svg>
"""
SVG_MRB = """
<svg viewBox="0 0 80 80" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
<!-- Axial brain silhouette with hemispheres -->
<path d="M40 14
C28 14 18 22 16 34
C14 44 18 56 30 62
L33 62
C24 56 22 48 24 38
C26 28 32 22 40 22
C48 22 54 28 56 38
C58 48 56 56 47 62
L50 62
C62 56 66 44 64 34
C62 22 52 14 40 14 Z"
fill="none" stroke="currentColor" stroke-width="1.2"/>
<!-- Midline (longitudinal fissure) -->
<line x1="40" y1="16" x2="40" y2="62" stroke="currentColor" stroke-width="0.9" stroke-opacity="0.55"/>
<!-- Gyrus / sulcus hints, left & right -->
<path d="M28 28 Q34 32 32 38" fill="none" stroke="currentColor" stroke-width="0.6" stroke-opacity="0.5"/>
<path d="M52 28 Q46 32 48 38" fill="none" stroke="currentColor" stroke-width="0.6" stroke-opacity="0.5"/>
<path d="M28 44 Q34 48 32 54" fill="none" stroke="currentColor" stroke-width="0.6" stroke-opacity="0.5"/>
<path d="M52 44 Q46 48 48 54" fill="none" stroke="currentColor" stroke-width="0.6" stroke-opacity="0.5"/>
</svg>
"""
# Each card has exactly 5 spec rows, each value short enough to render on one line.
CARDS = [
{
"key": "ct",
"index": "01",
"title": "NV-Generate · CT",
"subtitle": "Whole-body synthetic CT with paired anatomy masks.",
"icon": SVG_CT,
"icon_caption": "Body region · paired anatomy",
# Consistent category: USE CASES across all three cards.
"uses": ["Segmentation data", "Pathology augmentation", "Privacy-preserving sharing"],
"license": "NVIDIA Open Model",
"license_tone": "ok",
"spec": [
("MODALITY", "Computed Tomography"),
("ARCHITECTURE", "MAISI-v2 · Rectified Flow"),
("MAX VOLUME", "512 × 512 × 768 vox"),
("SEGMENTATION", "132 classes · paired"),
("LICENSE", "NVIDIA Open Model"),
],
"accent_class": "ct",
},
{
"key": "mr",
"index": "02",
"title": "NV-Generate · MR",
"subtitle": "Multi-contrast, multi-anatomy synthetic MRI.",
"icon": SVG_MR,
"icon_caption": "Multi-contrast · multi-region",
"uses": ["Modality augmentation", "Cross-region training", "Fine-tune base"],
"license": "NVIDIA Non-Commercial",
"license_tone": "warn",
"spec": [
("MODALITY", "Magnetic Resonance"),
("ARCHITECTURE", "MAISI-v2 · Rectified Flow"),
("MAX VOLUME", "512 × 512 × 128 vox"),
("CONTRASTS", "T1 · T2 · FLAIR · multi-region"),
("LICENSE", "NVIDIA Non-Commercial"),
],
"accent_class": "mr",
},
{
"key": "mr_brain",
"index": "03",
"title": "NV-Generate · MR Brain",
"subtitle": "High-resolution multi-contrast brain MRI.",
"icon": SVG_MRB,
"icon_caption": "Brain · multi-sequence",
"uses": ["Brain segmentation data", "Lesion augmentation", "Sequence translation"],
"license": "NVIDIA Open Model",
"license_tone": "ok",
"spec": [
("MODALITY", "MR · Brain"),
("ARCHITECTURE", "MAISI-v2 · Rectified Flow"),
("MAX VOLUME", "512 × 512 × 256 vox"),
("SEQUENCES", "T1 · T2 · FLAIR · SWI"),
("LICENSE", "NVIDIA Open Model"),
],
"accent_class": "mrb",
},
]
def _spec_rows(spec: list[tuple[str, str]]) -> str:
rows = []
for k, v in spec:
rows.append(
f'<div class="ds-row"><span class="ds-key">{k}</span>'
f'<span class="ds-leader"></span>'
f'<span class="ds-val">{v}</span></div>'
)
return "".join(rows)
def render_hero() -> tuple[gr.Group, dict[str, gr.Button]]:
"""Build the hero. Returns the wrapping Group and a dict of {key: button}."""
buttons: dict[str, gr.Button] = {}
with gr.Group(elem_classes=["hero"]) as group:
# Masthead: brand on the left, real links on the right. No decorative pills.
gr.HTML(
"""
<div class="masthead">
<div class="masthead-brand">
<span class="nv-mark">NV</span>
<span class="masthead-name">NV-Generate</span>
</div>
<nav class="masthead-nav">
<a href="https://github.com/NVIDIA-Medtech/NV-Generate-CTMR" target="_blank" rel="noopener">GitHub</a>
<span class="masthead-sep"></span>
<a href="https://huggingface.co/nvidia/NV-Generate-CT" target="_blank" rel="noopener">Hugging Face</a>
<span class="masthead-sep"></span>
<a href="https://arxiv.org/abs/2508.05772" target="_blank" rel="noopener">MAISI-v2 paper</a>
</nav>
</div>
"""
)
# Hero headline — eyebrow + bold title, no marketing paragraph below.
gr.HTML(
"""
<div class="hero-mono">
<div class="hero-eyebrow">
<span class="line-tick"></span>
<span>Latent diffusion · MAISI-v2 · open weights</span>
</div>
<h1 class="hero-title">
Synthetic 3D medical imaging.
</h1>
</div>
"""
)
# Datasheet cards — three equal-height subsystems
with gr.Row(elem_classes=["hero-row"], equal_height=True):
for card in CARDS:
with gr.Column(scale=1, min_width=300, elem_classes=["hero-card-col"]):
uses_html = "".join(
f'<span class="ds-use">{u}</span>' for u in card.get("uses", [])
)
license_tone_cls = "ds-license-warn" if card.get("license_tone") == "warn" else "ds-license-ok"
gr.HTML(
f"""
<div class="ds-card ds-{card['accent_class']}">
<div class="ds-corner ds-tl"></div>
<div class="ds-corner ds-tr"></div>
<div class="ds-corner ds-bl"></div>
<div class="ds-corner ds-br"></div>
<div class="ds-banner">
<div class="ds-banner-grid"></div>
<div class="ds-banner-icon">{card['icon']}</div>
<div class="ds-banner-caption">{card['icon_caption']}</div>
</div>
<div class="ds-frame">
<div class="ds-head">
<div class="ds-index">{card['index']}</div>
<div class="ds-status">
<span class="dot dot-pulse"></span>Available
</div>
</div>
<div class="ds-name">
<div class="ds-name-title">{card['title']}</div>
<div class="ds-name-sub">{card['subtitle']}</div>
</div>
<div class="ds-uses-label">Use cases</div>
<div class="ds-uses">{uses_html}</div>
<div class="ds-divider"></div>
<div class="ds-spec">
{_spec_rows(card['spec'])}
</div>
<div class="ds-license {license_tone_cls}">
<span class="ds-license-k">License</span>
<span class="ds-license-v">{card['license']}</span>
</div>
</div>
</div>
"""
)
btn = gr.Button(
f"Launch {card['title'].replace(' · ', ' ')} →",
elem_classes=["ds-cta", f"ds-cta-{card['accent_class']}"],
)
buttons[card["key"]] = btn
return group, buttons
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