Upload 4 files
Browse files- .gitattributes +2 -0
- README.md +47 -7
- index.html +765 -19
- sample_12b.png +3 -0
- sample_paper.png +3 -0
.gitattributes
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@@ -33,3 +33,5 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
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*.zip filter=lfs diff=lfs merge=lfs -text
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*.zst filter=lfs diff=lfs merge=lfs -text
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*tfevents* filter=lfs diff=lfs merge=lfs -text
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*.zip filter=lfs diff=lfs merge=lfs -text
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*.zst filter=lfs diff=lfs merge=lfs -text
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*tfevents* filter=lfs diff=lfs merge=lfs -text
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sample_12b.png filter=lfs diff=lfs merge=lfs -text
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sample_paper.png filter=lfs diff=lfs merge=lfs -text
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README.md
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---
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title:
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emoji:
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colorFrom:
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colorTo:
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sdk: static
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pinned: false
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license: apache-2.0
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short_description: Aspect-Ratio Preserving Image Resizing for Gemma 4
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---
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---
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title: Gemma 4 - Vision Token Budget
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emoji: 🖼️
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colorFrom: blue
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colorTo: indigo
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sdk: static
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pinned: false
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---
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# Gemma 4 - Vision Token Budget
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**Aspect-Ratio Preserving Image Resizing**
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An interactive, client-side web visualizer demonstrating **Gemma 4's Aspect-Ratio Preserving Image Resizing and Token Discretization**. Explore how different visual budgets ($N_{\max} \in \{70, 140, 280, 560, 1120\}$) impact resolution, token consumption, and visual detail in real-time right inside your browser.
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---
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## Overview
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Gemma 4 introduces fine-grained, dynamic control over its multimodal visual processing budget. Unlike traditional models that force images into fixed-size square inputs (distorting aspect ratios or wasting tokens on padding), Gemma 4 scales and snaps images to an exact grid while strictly preserving their natural proportions.
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This tool is meant to visualize the effect of the macro block sizing and the resulting token count for any image and any token budget $N_{\max} \in \{70, 140, 280, 560, 1120\}$.
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## 📦 Hosting on Hugging Face Spaces
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This project is pre-configured as a **Hugging Face Static Space** (`sdk: static`). To deploy or clone to your own Space:
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1. Create a new Space on [Hugging Face Spaces](https://huggingface.co/spaces) and select **Static SDK** (`HTML/JS/CSS`).
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2. Push the files in this folder directly to your Space repository:
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```bash
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git clone https://huggingface.co/spaces/YOUR_USERNAME/YOUR_SPACE_NAME
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cp -r * /path/to/YOUR_SPACE_NAME/
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cd /path/to/YOUR_SPACE_NAME
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git add .
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git commit -m "Deploy Gemma 4 Vision Budget Visualizer"
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git push
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```
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3. Your Space will immediately build and serve `index.html` worldwide!
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---
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## 💻 Running Locally
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Simply serve the directory with any local static HTTP server or open `index.html` in your browser:
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```bash
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# Using Python 3 built-in server:
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python -m http.server 8000
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# Using Node (npx serve):
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npx serve .
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```
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Then navigate to `http://localhost:8000` in your web browser.
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index.html
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|
| 1 |
+
<!DOCTYPE html>
|
| 2 |
+
<html lang="en">
|
| 3 |
+
<head>
|
| 4 |
+
<meta charset="UTF-8">
|
| 5 |
+
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
| 6 |
+
<title>Gemma 4 - Vision Token Budget</title>
|
| 7 |
+
<!-- Clean, Modern Typography -->
|
| 8 |
+
<link rel="preconnect" href="https://fonts.googleapis.com">
|
| 9 |
+
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
|
| 10 |
+
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
|
| 11 |
+
|
| 12 |
+
<style>
|
| 13 |
+
:root {
|
| 14 |
+
--bg-page: #f8fafc;
|
| 15 |
+
--bg-card: #ffffff;
|
| 16 |
+
--text-main: #1e293b;
|
| 17 |
+
--text-sub: #475569;
|
| 18 |
+
--text-muted: #64748b;
|
| 19 |
+
--border-color: #e2e8f0;
|
| 20 |
+
--border-hover: #cbd5e1;
|
| 21 |
+
--accent: #2563eb;
|
| 22 |
+
--accent-light: #eff6ff;
|
| 23 |
+
--radius: 10px;
|
| 24 |
+
--shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
|
| 25 |
+
}
|
| 26 |
+
|
| 27 |
+
* {
|
| 28 |
+
box-sizing: border-box;
|
| 29 |
+
margin: 0;
|
| 30 |
+
padding: 0;
|
| 31 |
+
}
|
| 32 |
+
|
| 33 |
+
body {
|
| 34 |
+
font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
|
| 35 |
+
background-color: var(--bg-page);
|
| 36 |
+
color: var(--text-main);
|
| 37 |
+
line-height: 1.6;
|
| 38 |
+
padding: 40px 20px;
|
| 39 |
+
}
|
| 40 |
+
|
| 41 |
+
.header-wrapper {
|
| 42 |
+
max-width: 1100px;
|
| 43 |
+
margin: 0 auto;
|
| 44 |
+
}
|
| 45 |
+
|
| 46 |
+
/* Header */
|
| 47 |
+
header {
|
| 48 |
+
text-align: center;
|
| 49 |
+
margin-bottom: 35px;
|
| 50 |
+
}
|
| 51 |
+
|
| 52 |
+
h1 {
|
| 53 |
+
font-size: 2.2rem;
|
| 54 |
+
font-weight: 700;
|
| 55 |
+
color: var(--text-main);
|
| 56 |
+
letter-spacing: -0.02em;
|
| 57 |
+
}
|
| 58 |
+
|
| 59 |
+
.subtitle {
|
| 60 |
+
font-size: 1.1rem;
|
| 61 |
+
color: var(--text-sub);
|
| 62 |
+
margin-top: 6px;
|
| 63 |
+
font-weight: 500;
|
| 64 |
+
}
|
| 65 |
+
|
| 66 |
+
/* Cards & Containers */
|
| 67 |
+
.card {
|
| 68 |
+
background-color: var(--bg-card);
|
| 69 |
+
border: 1px solid var(--border-color);
|
| 70 |
+
border-radius: var(--radius);
|
| 71 |
+
padding: 24px;
|
| 72 |
+
margin-bottom: 24px;
|
| 73 |
+
box-shadow: var(--shadow);
|
| 74 |
+
}
|
| 75 |
+
|
| 76 |
+
/* Explanation Details Section */
|
| 77 |
+
details.explanation-card {
|
| 78 |
+
background-color: var(--bg-card);
|
| 79 |
+
border: 1px solid var(--border-color);
|
| 80 |
+
border-radius: var(--radius);
|
| 81 |
+
padding: 16px 20px;
|
| 82 |
+
margin-bottom: 28px;
|
| 83 |
+
box-shadow: var(--shadow);
|
| 84 |
+
}
|
| 85 |
+
|
| 86 |
+
details.explanation-card summary {
|
| 87 |
+
cursor: pointer;
|
| 88 |
+
font-weight: 600;
|
| 89 |
+
font-size: 1.05rem;
|
| 90 |
+
color: var(--text-main);
|
| 91 |
+
user-select: none;
|
| 92 |
+
}
|
| 93 |
+
|
| 94 |
+
details.explanation-card summary:hover {
|
| 95 |
+
color: var(--accent);
|
| 96 |
+
}
|
| 97 |
+
|
| 98 |
+
.explanation-img {
|
| 99 |
+
max-width: 100%;
|
| 100 |
+
height: auto;
|
| 101 |
+
margin-top: 16px;
|
| 102 |
+
border-radius: 6px;
|
| 103 |
+
border: 1px solid var(--border-color);
|
| 104 |
+
display: block;
|
| 105 |
+
}
|
| 106 |
+
|
| 107 |
+
/* Upload & Controls Section */
|
| 108 |
+
.upload-controls {
|
| 109 |
+
display: grid;
|
| 110 |
+
grid-template-columns: 1fr;
|
| 111 |
+
gap: 20px;
|
| 112 |
+
}
|
| 113 |
+
|
| 114 |
+
#drop-zone {
|
| 115 |
+
width: 100%;
|
| 116 |
+
min-height: 160px;
|
| 117 |
+
border: 2px dashed #cbd5e1;
|
| 118 |
+
border-radius: var(--radius);
|
| 119 |
+
display: flex;
|
| 120 |
+
flex-direction: column;
|
| 121 |
+
align-items: center;
|
| 122 |
+
justify-content: center;
|
| 123 |
+
text-align: center;
|
| 124 |
+
padding: 24px;
|
| 125 |
+
background-color: #fcfcfd;
|
| 126 |
+
cursor: pointer;
|
| 127 |
+
transition: all 0.2s ease;
|
| 128 |
+
}
|
| 129 |
+
|
| 130 |
+
#drop-zone:hover, #drop-zone.hover {
|
| 131 |
+
border-color: var(--accent);
|
| 132 |
+
background-color: var(--accent-light);
|
| 133 |
+
}
|
| 134 |
+
|
| 135 |
+
.drop-title {
|
| 136 |
+
font-size: 1.05rem;
|
| 137 |
+
font-weight: 600;
|
| 138 |
+
color: var(--text-main);
|
| 139 |
+
}
|
| 140 |
+
|
| 141 |
+
.drop-sub {
|
| 142 |
+
font-size: 0.85rem;
|
| 143 |
+
color: var(--text-muted);
|
| 144 |
+
margin-top: 4px;
|
| 145 |
+
}
|
| 146 |
+
|
| 147 |
+
/* Presets & Grid Checkbox Bar */
|
| 148 |
+
.presets-and-options {
|
| 149 |
+
display: flex;
|
| 150 |
+
flex-wrap: wrap;
|
| 151 |
+
align-items: center;
|
| 152 |
+
justify-content: space-between;
|
| 153 |
+
gap: 16px;
|
| 154 |
+
padding-top: 16px;
|
| 155 |
+
border-top: 1px solid var(--border-color);
|
| 156 |
+
}
|
| 157 |
+
|
| 158 |
+
.presets-group {
|
| 159 |
+
display: flex;
|
| 160 |
+
flex-wrap: wrap;
|
| 161 |
+
align-items: center;
|
| 162 |
+
gap: 10px;
|
| 163 |
+
}
|
| 164 |
+
|
| 165 |
+
.presets-label {
|
| 166 |
+
font-size: 0.9rem;
|
| 167 |
+
font-weight: 600;
|
| 168 |
+
color: var(--text-sub);
|
| 169 |
+
margin-right: 4px;
|
| 170 |
+
}
|
| 171 |
+
|
| 172 |
+
.preset-btn {
|
| 173 |
+
background-color: #f1f5f9;
|
| 174 |
+
border: 1px solid var(--border-color);
|
| 175 |
+
border-radius: 6px;
|
| 176 |
+
padding: 7px 14px;
|
| 177 |
+
font-size: 0.85rem;
|
| 178 |
+
font-weight: 500;
|
| 179 |
+
color: var(--text-main);
|
| 180 |
+
cursor: pointer;
|
| 181 |
+
transition: all 0.2s ease;
|
| 182 |
+
}
|
| 183 |
+
|
| 184 |
+
.preset-btn:hover {
|
| 185 |
+
background-color: #e2e8f0;
|
| 186 |
+
border-color: #94a3b8;
|
| 187 |
+
}
|
| 188 |
+
|
| 189 |
+
.checkbox-label {
|
| 190 |
+
display: flex;
|
| 191 |
+
align-items: center;
|
| 192 |
+
gap: 8px;
|
| 193 |
+
font-size: 0.9rem;
|
| 194 |
+
font-weight: 600;
|
| 195 |
+
color: var(--text-main);
|
| 196 |
+
cursor: pointer;
|
| 197 |
+
user-select: none;
|
| 198 |
+
}
|
| 199 |
+
|
| 200 |
+
.checkbox-label input[type="checkbox"] {
|
| 201 |
+
width: 18px;
|
| 202 |
+
height: 18px;
|
| 203 |
+
accent-color: var(--accent);
|
| 204 |
+
cursor: pointer;
|
| 205 |
+
}
|
| 206 |
+
|
| 207 |
+
/* Centered Horizontal Menu Bar for N_max */
|
| 208 |
+
.menu-bar {
|
| 209 |
+
display: flex;
|
| 210 |
+
justify-content: center;
|
| 211 |
+
flex-wrap: wrap;
|
| 212 |
+
gap: 10px;
|
| 213 |
+
margin: 30px 0;
|
| 214 |
+
}
|
| 215 |
+
|
| 216 |
+
.menu-btn {
|
| 217 |
+
background-color: var(--bg-card);
|
| 218 |
+
border: 1px solid var(--border-color);
|
| 219 |
+
border-radius: 8px;
|
| 220 |
+
padding: 10px 24px;
|
| 221 |
+
font-size: 1rem;
|
| 222 |
+
font-weight: 600;
|
| 223 |
+
color: var(--text-sub);
|
| 224 |
+
cursor: pointer;
|
| 225 |
+
transition: all 0.2s ease;
|
| 226 |
+
box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
|
| 227 |
+
}
|
| 228 |
+
|
| 229 |
+
.menu-btn:hover {
|
| 230 |
+
color: var(--text-main);
|
| 231 |
+
border-color: #94a3b8;
|
| 232 |
+
background-color: #f8fafc;
|
| 233 |
+
}
|
| 234 |
+
|
| 235 |
+
.menu-btn.active {
|
| 236 |
+
background-color: var(--accent);
|
| 237 |
+
color: #ffffff;
|
| 238 |
+
border-color: var(--accent);
|
| 239 |
+
box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
|
| 240 |
+
}
|
| 241 |
+
|
| 242 |
+
/* Results Display Area */
|
| 243 |
+
#results-area {
|
| 244 |
+
display: flex;
|
| 245 |
+
flex-direction: column;
|
| 246 |
+
align-items: center;
|
| 247 |
+
width: 100%;
|
| 248 |
+
overflow: visible;
|
| 249 |
+
}
|
| 250 |
+
|
| 251 |
+
/* Stacked layout centered on page */
|
| 252 |
+
.stacked-list {
|
| 253 |
+
display: flex;
|
| 254 |
+
flex-direction: column;
|
| 255 |
+
align-items: center;
|
| 256 |
+
gap: 36px;
|
| 257 |
+
width: 100%;
|
| 258 |
+
}
|
| 259 |
+
|
| 260 |
+
/* Card expands naturally to show exact, unconstrained width without any inner scrollbars */
|
| 261 |
+
.image-card {
|
| 262 |
+
background-color: var(--bg-card);
|
| 263 |
+
border: 1px solid var(--border-color);
|
| 264 |
+
border-radius: var(--radius);
|
| 265 |
+
padding: 28px 24px;
|
| 266 |
+
box-shadow: var(--shadow);
|
| 267 |
+
display: flex;
|
| 268 |
+
flex-direction: column;
|
| 269 |
+
align-items: center;
|
| 270 |
+
width: auto;
|
| 271 |
+
min-width: 650px;
|
| 272 |
+
max-width: none;
|
| 273 |
+
}
|
| 274 |
+
|
| 275 |
+
.image-card h3 {
|
| 276 |
+
font-size: 1.3rem;
|
| 277 |
+
font-weight: 700;
|
| 278 |
+
color: var(--text-main);
|
| 279 |
+
margin-bottom: 20px;
|
| 280 |
+
width: 100%;
|
| 281 |
+
text-align: center;
|
| 282 |
+
border-bottom: 1px solid var(--border-color);
|
| 283 |
+
padding-bottom: 14px;
|
| 284 |
+
}
|
| 285 |
+
|
| 286 |
+
/* Canvas wrapper allows true actual resolution display without scroll constraints */
|
| 287 |
+
.canvas-box {
|
| 288 |
+
position: relative;
|
| 289 |
+
display: flex;
|
| 290 |
+
align-items: center;
|
| 291 |
+
justify-content: center;
|
| 292 |
+
margin: 10px auto 24px;
|
| 293 |
+
overflow: visible;
|
| 294 |
+
width: auto;
|
| 295 |
+
max-width: none;
|
| 296 |
+
}
|
| 297 |
+
|
| 298 |
+
canvas {
|
| 299 |
+
border: 1px solid #cbd5e1;
|
| 300 |
+
border-radius: 6px;
|
| 301 |
+
display: block;
|
| 302 |
+
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
|
| 303 |
+
/* True 1:1 pixel accuracy is applied via style in JS */
|
| 304 |
+
}
|
| 305 |
+
|
| 306 |
+
/* Grid Overlay Canvas */
|
| 307 |
+
.grid-overlay {
|
| 308 |
+
position: absolute;
|
| 309 |
+
top: 0;
|
| 310 |
+
left: 0;
|
| 311 |
+
pointer-events: none;
|
| 312 |
+
border-radius: 6px;
|
| 313 |
+
}
|
| 314 |
+
|
| 315 |
+
/* Tables */
|
| 316 |
+
.info-table {
|
| 317 |
+
width: 100%;
|
| 318 |
+
max-width: 650px;
|
| 319 |
+
margin: 0 auto;
|
| 320 |
+
border-collapse: collapse;
|
| 321 |
+
border: 1px solid var(--border-color);
|
| 322 |
+
border-radius: 6px;
|
| 323 |
+
overflow: hidden;
|
| 324 |
+
font-size: 0.95rem;
|
| 325 |
+
}
|
| 326 |
+
|
| 327 |
+
.info-table th,
|
| 328 |
+
.info-table td {
|
| 329 |
+
text-align: left;
|
| 330 |
+
padding: 12px 16px;
|
| 331 |
+
border-bottom: 1px solid var(--border-color);
|
| 332 |
+
}
|
| 333 |
+
|
| 334 |
+
.info-table tr:last-child th,
|
| 335 |
+
.info-table tr:last-child td {
|
| 336 |
+
border-bottom: none;
|
| 337 |
+
}
|
| 338 |
+
|
| 339 |
+
.info-table th {
|
| 340 |
+
background-color: #f8fafc;
|
| 341 |
+
font-weight: 600;
|
| 342 |
+
color: var(--text-sub);
|
| 343 |
+
width: 55%;
|
| 344 |
+
}
|
| 345 |
+
|
| 346 |
+
.info-table td {
|
| 347 |
+
color: var(--text-main);
|
| 348 |
+
font-weight: 500;
|
| 349 |
+
}
|
| 350 |
+
|
| 351 |
+
/* Empty state */
|
| 352 |
+
.empty-message {
|
| 353 |
+
text-align: center;
|
| 354 |
+
padding: 50px 20px;
|
| 355 |
+
color: var(--text-muted);
|
| 356 |
+
font-size: 1.05rem;
|
| 357 |
+
background-color: var(--bg-card);
|
| 358 |
+
border: 1px dashed #cbd5e1;
|
| 359 |
+
border-radius: var(--radius);
|
| 360 |
+
width: 100%;
|
| 361 |
+
max-width: 1100px;
|
| 362 |
+
}
|
| 363 |
+
</style>
|
| 364 |
+
</head>
|
| 365 |
+
<body>
|
| 366 |
+
|
| 367 |
+
<!-- Header & Controls bounded nicely -->
|
| 368 |
+
<div class="header-wrapper">
|
| 369 |
+
<header>
|
| 370 |
+
<h1>Gemma 4 - Vision Token Budget</h1>
|
| 371 |
+
<p class="subtitle">Aspect-Ratio Preserving Image Resizing</p>
|
| 372 |
+
</header>
|
| 373 |
+
|
| 374 |
+
<!-- Explanation Details Section with image.png / sample_paper.png -->
|
| 375 |
+
<details class="explanation-card">
|
| 376 |
+
<summary>Explanation Aspect Preserving Resize to Sequence Length (a.k.a. Visual Budget)</summary>
|
| 377 |
+
<img src="sample_paper.png" onerror="this.onerror=null; this.src='image.png';" alt="Explanation Aspect Preserving Resize to Sequence Length (a.k.a. Visual Budget)" class="explanation-img">
|
| 378 |
+
</details>
|
| 379 |
+
|
| 380 |
+
<!-- Upload & Controls Card -->
|
| 381 |
+
<section class="card upload-controls">
|
| 382 |
+
<div id="drop-zone">
|
| 383 |
+
<div class="drop-title">Drag & Drop an image here, or Paste (Ctrl+V) from clipboard</div>
|
| 384 |
+
<div class="drop-sub">Click anywhere in this box to browse local files</div>
|
| 385 |
+
</div>
|
| 386 |
+
|
| 387 |
+
<div class="presets-and-options">
|
| 388 |
+
<div class="presets-group" id="preset-buttons-container">
|
| 389 |
+
<span class="presets-label">Presets:</span>
|
| 390 |
+
<!-- Populated dynamically -->
|
| 391 |
+
</div>
|
| 392 |
+
|
| 393 |
+
<label class="checkbox-label">
|
| 394 |
+
<input type="checkbox" id="toggle-grid" checked>
|
| 395 |
+
<span>Show 48 × 48 px Token Grid</span>
|
| 396 |
+
</label>
|
| 397 |
+
</div>
|
| 398 |
+
</section>
|
| 399 |
+
|
| 400 |
+
<!-- Centered Horizontal Menu Bar for N_max -->
|
| 401 |
+
<nav class="menu-bar" id="menu-bar">
|
| 402 |
+
<button class="menu-btn" data-budget="70">70</button>
|
| 403 |
+
<button class="menu-btn" data-budget="140">140</button>
|
| 404 |
+
<button class="menu-btn" data-budget="280">280</button>
|
| 405 |
+
<button class="menu-btn" data-budget="560">560</button>
|
| 406 |
+
<button class="menu-btn" data-budget="1120">1120</button>
|
| 407 |
+
<button class="menu-btn active" data-budget="All">All</button>
|
| 408 |
+
</nav>
|
| 409 |
+
</div>
|
| 410 |
+
|
| 411 |
+
<!-- Results Area expands naturally for unconstrained true resolution -->
|
| 412 |
+
<main id="results-area">
|
| 413 |
+
<div class="empty-message" id="empty-message">
|
| 414 |
+
Please upload or select an image to visualize the aspect-ratio preserving resize.
|
| 415 |
+
</div>
|
| 416 |
+
<div id="display-content" style="width: 100%;"></div>
|
| 417 |
+
</main>
|
| 418 |
+
|
| 419 |
+
<script>
|
| 420 |
+
// Gemma 4 Macro-Block Constants
|
| 421 |
+
const P = 16;
|
| 422 |
+
const K = 3;
|
| 423 |
+
const M = P * K; // 48
|
| 424 |
+
const BUDGETS = [70, 140, 280, 560, 1120];
|
| 425 |
+
|
| 426 |
+
// State
|
| 427 |
+
let currentImage = null;
|
| 428 |
+
let selectedOption = 'All'; // Default N_max option
|
| 429 |
+
let showGridOverlay = true;
|
| 430 |
+
let processedResults = {};
|
| 431 |
+
|
| 432 |
+
// DOM Elements
|
| 433 |
+
const dropZone = document.getElementById('drop-zone');
|
| 434 |
+
const presetButtonsContainer = document.getElementById('preset-buttons-container');
|
| 435 |
+
const toggleGridCheckbox = document.getElementById('toggle-grid');
|
| 436 |
+
const menuBar = document.getElementById('menu-bar');
|
| 437 |
+
const emptyMessage = document.getElementById('empty-message');
|
| 438 |
+
const displayContent = document.getElementById('display-content');
|
| 439 |
+
|
| 440 |
+
// Preset configurations
|
| 441 |
+
const PRESETS = [
|
| 442 |
+
{ name: 'Sample Paper', src: 'sample_paper.png', fallback: 'image.png' },
|
| 443 |
+
{ name: 'Sample 12B', src: 'sample_12b.png' }
|
| 444 |
+
];
|
| 445 |
+
|
| 446 |
+
function init() {
|
| 447 |
+
setupPresets();
|
| 448 |
+
setupEventListeners();
|
| 449 |
+
// Load initial preset
|
| 450 |
+
loadPreset(PRESETS[0]);
|
| 451 |
+
}
|
| 452 |
+
|
| 453 |
+
function setupPresets() {
|
| 454 |
+
presetButtonsContainer.replaceChildren();
|
| 455 |
+
|
| 456 |
+
PRESETS.forEach(preset => {
|
| 457 |
+
const btn = document.createElement('button');
|
| 458 |
+
btn.className = 'preset-btn';
|
| 459 |
+
btn.textContent = preset.name;
|
| 460 |
+
btn.addEventListener('click', () => loadPreset(preset));
|
| 461 |
+
presetButtonsContainer.appendChild(btn);
|
| 462 |
+
});
|
| 463 |
+
}
|
| 464 |
+
|
| 465 |
+
function setupEventListeners() {
|
| 466 |
+
// Drag over
|
| 467 |
+
dropZone.addEventListener('dragover', (e) => {
|
| 468 |
+
e.preventDefault();
|
| 469 |
+
dropZone.classList.add('hover');
|
| 470 |
+
});
|
| 471 |
+
|
| 472 |
+
dropZone.addEventListener('dragleave', () => {
|
| 473 |
+
dropZone.classList.remove('hover');
|
| 474 |
+
});
|
| 475 |
+
|
| 476 |
+
dropZone.addEventListener('drop', (e) => {
|
| 477 |
+
e.preventDefault();
|
| 478 |
+
dropZone.classList.remove('hover');
|
| 479 |
+
const files = e.dataTransfer.files;
|
| 480 |
+
if (files.length > 0) {
|
| 481 |
+
handleFile(files[0]);
|
| 482 |
+
}
|
| 483 |
+
});
|
| 484 |
+
|
| 485 |
+
// Click dropzone
|
| 486 |
+
dropZone.addEventListener('click', () => {
|
| 487 |
+
const input = document.createElement('input');
|
| 488 |
+
input.type = 'file';
|
| 489 |
+
input.accept = 'image/*';
|
| 490 |
+
input.onchange = (e) => {
|
| 491 |
+
if (e.target.files.length > 0) {
|
| 492 |
+
handleFile(e.target.files[0]);
|
| 493 |
+
}
|
| 494 |
+
};
|
| 495 |
+
input.click();
|
| 496 |
+
});
|
| 497 |
+
|
| 498 |
+
// Paste
|
| 499 |
+
document.addEventListener('paste', (e) => {
|
| 500 |
+
const items = (e.clipboardData || e.originalEvent.clipboardData).items;
|
| 501 |
+
for (let i = 0; i < items.length; i++) {
|
| 502 |
+
if (items[i].type.indexOf('image') !== -1) {
|
| 503 |
+
const file = items[i].getAsFile();
|
| 504 |
+
handleFile(file);
|
| 505 |
+
break;
|
| 506 |
+
}
|
| 507 |
+
}
|
| 508 |
+
});
|
| 509 |
+
|
| 510 |
+
// Menu Bar clicks
|
| 511 |
+
menuBar.addEventListener('click', (e) => {
|
| 512 |
+
if (e.target.classList.contains('menu-btn')) {
|
| 513 |
+
const budget = e.target.getAttribute('data-budget');
|
| 514 |
+
selectMenuOption(budget);
|
| 515 |
+
}
|
| 516 |
+
});
|
| 517 |
+
|
| 518 |
+
// Grid checkbox
|
| 519 |
+
toggleGridCheckbox.addEventListener('change', (e) => {
|
| 520 |
+
showGridOverlay = e.target.checked;
|
| 521 |
+
renderResults();
|
| 522 |
+
});
|
| 523 |
+
}
|
| 524 |
+
|
| 525 |
+
function handleFile(file) {
|
| 526 |
+
if (!file.type.startsWith('image/')) {
|
| 527 |
+
alert('Not an image file');
|
| 528 |
+
return;
|
| 529 |
+
}
|
| 530 |
+
const reader = new FileReader();
|
| 531 |
+
reader.onload = (e) => {
|
| 532 |
+
const img = new Image();
|
| 533 |
+
img.onload = () => processImage(img);
|
| 534 |
+
img.src = e.target.result;
|
| 535 |
+
};
|
| 536 |
+
reader.readAsDataURL(file);
|
| 537 |
+
}
|
| 538 |
+
|
| 539 |
+
function loadPreset(preset) {
|
| 540 |
+
if (preset.src) {
|
| 541 |
+
const img = new Image();
|
| 542 |
+
img.onload = () => processImage(img);
|
| 543 |
+
img.onerror = () => {
|
| 544 |
+
if (preset.fallback) {
|
| 545 |
+
const fbImg = new Image();
|
| 546 |
+
fbImg.onload = () => processImage(fbImg);
|
| 547 |
+
fbImg.onerror = () => alert('Please ensure image files (sample_paper.png or image.png) are uploaded to your static hosting directory.');
|
| 548 |
+
fbImg.src = preset.fallback;
|
| 549 |
+
} else {
|
| 550 |
+
alert('Please ensure ' + preset.src + ' is uploaded to your static hosting directory.');
|
| 551 |
+
}
|
| 552 |
+
};
|
| 553 |
+
img.src = preset.src;
|
| 554 |
+
}
|
| 555 |
+
}
|
| 556 |
+
|
| 557 |
+
function processImage(img) {
|
| 558 |
+
currentImage = img;
|
| 559 |
+
processedResults = {};
|
| 560 |
+
|
| 561 |
+
BUDGETS.forEach(nMax => {
|
| 562 |
+
processedResults[nMax] = resizeImage(img, nMax);
|
| 563 |
+
});
|
| 564 |
+
|
| 565 |
+
emptyMessage.style.display = 'none';
|
| 566 |
+
renderResults();
|
| 567 |
+
}
|
| 568 |
+
|
| 569 |
+
function resizeImage(img, nMax) {
|
| 570 |
+
const w = img.naturalWidth;
|
| 571 |
+
const h = img.naturalHeight;
|
| 572 |
+
|
| 573 |
+
const m = M;
|
| 574 |
+
const t = nMax * m * m;
|
| 575 |
+
const f = Math.sqrt(t / (h * w));
|
| 576 |
+
const hIdeal = f * h;
|
| 577 |
+
const wIdeal = f * w;
|
| 578 |
+
|
| 579 |
+
let hTarget = Math.floor(hIdeal / m) * m;
|
| 580 |
+
let wTarget = Math.floor(wIdeal / m) * m;
|
| 581 |
+
|
| 582 |
+
hTarget = Math.max(m, hTarget);
|
| 583 |
+
wTarget = Math.max(m, wTarget);
|
| 584 |
+
|
| 585 |
+
const canvas = document.createElement('canvas');
|
| 586 |
+
canvas.width = wTarget;
|
| 587 |
+
canvas.height = hTarget;
|
| 588 |
+
const ctx = canvas.getContext('2d');
|
| 589 |
+
|
| 590 |
+
ctx.imageSmoothingEnabled = true;
|
| 591 |
+
ctx.imageSmoothingQuality = 'high';
|
| 592 |
+
ctx.drawImage(img, 0, 0, wTarget, hTarget);
|
| 593 |
+
|
| 594 |
+
const targetPatches = (hTarget / P) * (wTarget / P);
|
| 595 |
+
const actualTokens = Math.min(Math.floor(targetPatches / (K * K)), nMax);
|
| 596 |
+
|
| 597 |
+
return {
|
| 598 |
+
canvas: canvas,
|
| 599 |
+
width: wTarget,
|
| 600 |
+
height: hTarget,
|
| 601 |
+
actualTokens: actualTokens
|
| 602 |
+
};
|
| 603 |
+
}
|
| 604 |
+
|
| 605 |
+
function selectMenuOption(option) {
|
| 606 |
+
selectedOption = option;
|
| 607 |
+
|
| 608 |
+
const buttons = menuBar.querySelectorAll('.menu-btn');
|
| 609 |
+
buttons.forEach(btn => {
|
| 610 |
+
if (btn.getAttribute('data-budget') === option) {
|
| 611 |
+
btn.classList.add('active');
|
| 612 |
+
} else {
|
| 613 |
+
btn.classList.remove('active');
|
| 614 |
+
}
|
| 615 |
+
});
|
| 616 |
+
|
| 617 |
+
renderResults();
|
| 618 |
+
}
|
| 619 |
+
|
| 620 |
+
function renderResults() {
|
| 621 |
+
if (!currentImage) return;
|
| 622 |
+
displayContent.replaceChildren();
|
| 623 |
+
|
| 624 |
+
const w = currentImage.naturalWidth;
|
| 625 |
+
const h = currentImage.naturalHeight;
|
| 626 |
+
const origNMax = (w * h) / (M * M);
|
| 627 |
+
const origTokens = Math.floor(w / M) * Math.floor(h / M);
|
| 628 |
+
|
| 629 |
+
const stackedDiv = document.createElement('div');
|
| 630 |
+
stackedDiv.className = 'stacked-list';
|
| 631 |
+
|
| 632 |
+
if (selectedOption === 'All') {
|
| 633 |
+
BUDGETS.forEach(nMax => {
|
| 634 |
+
const data = processedResults[nMax];
|
| 635 |
+
const card = createCardElement(
|
| 636 |
+
`N_max = ${nMax}`,
|
| 637 |
+
data.canvas,
|
| 638 |
+
data.width,
|
| 639 |
+
data.height,
|
| 640 |
+
[
|
| 641 |
+
{ label: 'Target Dimensions', value: `${data.width} x ${data.height}` },
|
| 642 |
+
{ label: 'Actual Tokens', value: `${data.actualTokens}` }
|
| 643 |
+
],
|
| 644 |
+
true
|
| 645 |
+
);
|
| 646 |
+
stackedDiv.appendChild(card);
|
| 647 |
+
});
|
| 648 |
+
} else {
|
| 649 |
+
const nMax = parseInt(selectedOption, 10);
|
| 650 |
+
const data = processedResults[nMax];
|
| 651 |
+
const resizedCard = createCardElement(
|
| 652 |
+
`N_max = ${nMax}`,
|
| 653 |
+
data.canvas,
|
| 654 |
+
data.width,
|
| 655 |
+
data.height,
|
| 656 |
+
[
|
| 657 |
+
{ label: 'Target Dimensions', value: `${data.width} x ${data.height}` },
|
| 658 |
+
{ label: 'Actual Tokens', value: `${data.actualTokens}` }
|
| 659 |
+
],
|
| 660 |
+
true
|
| 661 |
+
);
|
| 662 |
+
stackedDiv.appendChild(resizedCard);
|
| 663 |
+
}
|
| 664 |
+
|
| 665 |
+
// Create Original Card (always full actual resolution centered without constraints, no grid overlay) and place at the bottom
|
| 666 |
+
const origCard = createCardElement(
|
| 667 |
+
'Original Image',
|
| 668 |
+
currentImage,
|
| 669 |
+
w,
|
| 670 |
+
h,
|
| 671 |
+
[
|
| 672 |
+
{ label: 'Dimensions', value: `${w} x ${h}` },
|
| 673 |
+
{ label: 'Equivalent N_max (w*h/m²)', value: origNMax.toFixed(2) },
|
| 674 |
+
{ label: 'Actual Tokens (floor(w/m)*floor(h/m))', value: `${origTokens}` }
|
| 675 |
+
],
|
| 676 |
+
false
|
| 677 |
+
);
|
| 678 |
+
stackedDiv.appendChild(origCard);
|
| 679 |
+
|
| 680 |
+
displayContent.appendChild(stackedDiv);
|
| 681 |
+
}
|
| 682 |
+
|
| 683 |
+
function createCardElement(titleText, imgOrCanvas, width, height, tableRows, allowGrid = true) {
|
| 684 |
+
const card = document.createElement('div');
|
| 685 |
+
card.className = 'image-card';
|
| 686 |
+
|
| 687 |
+
const h3 = document.createElement('h3');
|
| 688 |
+
h3.textContent = titleText;
|
| 689 |
+
card.appendChild(h3);
|
| 690 |
+
|
| 691 |
+
const canvasBox = document.createElement('div');
|
| 692 |
+
canvasBox.className = 'canvas-box';
|
| 693 |
+
|
| 694 |
+
// Clone or draw image/canvas to a display canvas with true actual pixel dimensions unconstrained
|
| 695 |
+
const displayCanvas = document.createElement('canvas');
|
| 696 |
+
displayCanvas.width = width;
|
| 697 |
+
displayCanvas.height = height;
|
| 698 |
+
displayCanvas.style.width = width + 'px';
|
| 699 |
+
displayCanvas.style.height = height + 'px';
|
| 700 |
+
const ctx = displayCanvas.getContext('2d');
|
| 701 |
+
ctx.imageSmoothingEnabled = true;
|
| 702 |
+
ctx.imageSmoothingQuality = 'high';
|
| 703 |
+
ctx.drawImage(imgOrCanvas, 0, 0, width, height);
|
| 704 |
+
|
| 705 |
+
canvasBox.appendChild(displayCanvas);
|
| 706 |
+
|
| 707 |
+
if (showGridOverlay && allowGrid) {
|
| 708 |
+
const overlay = createGridOverlay(width, height);
|
| 709 |
+
canvasBox.appendChild(overlay);
|
| 710 |
+
}
|
| 711 |
+
|
| 712 |
+
card.appendChild(canvasBox);
|
| 713 |
+
|
| 714 |
+
// Create Table using safe DOM methods
|
| 715 |
+
const table = document.createElement('table');
|
| 716 |
+
table.className = 'info-table';
|
| 717 |
+
|
| 718 |
+
tableRows.forEach(row => {
|
| 719 |
+
const tr = document.createElement('tr');
|
| 720 |
+
const th = document.createElement('th');
|
| 721 |
+
th.textContent = row.label;
|
| 722 |
+
const td = document.createElement('td');
|
| 723 |
+
td.textContent = row.value;
|
| 724 |
+
tr.appendChild(th);
|
| 725 |
+
tr.appendChild(td);
|
| 726 |
+
table.appendChild(tr);
|
| 727 |
+
});
|
| 728 |
+
|
| 729 |
+
card.appendChild(table);
|
| 730 |
+
return card;
|
| 731 |
+
}
|
| 732 |
+
|
| 733 |
+
function createGridOverlay(width, height) {
|
| 734 |
+
const canvas = document.createElement('canvas');
|
| 735 |
+
canvas.className = 'grid-overlay';
|
| 736 |
+
canvas.width = width;
|
| 737 |
+
canvas.height = height;
|
| 738 |
+
canvas.style.width = width + 'px';
|
| 739 |
+
canvas.style.height = height + 'px';
|
| 740 |
+
const ctx = canvas.getContext('2d');
|
| 741 |
+
|
| 742 |
+
ctx.strokeStyle = 'rgba(239, 68, 68, 0.75)'; // Bright Red Grid
|
| 743 |
+
ctx.lineWidth = 1.25;
|
| 744 |
+
|
| 745 |
+
for (let x = 0; x <= width; x += M) {
|
| 746 |
+
ctx.beginPath();
|
| 747 |
+
ctx.moveTo(x, 0);
|
| 748 |
+
ctx.lineTo(x, height);
|
| 749 |
+
ctx.stroke();
|
| 750 |
+
}
|
| 751 |
+
|
| 752 |
+
for (let y = 0; y <= height; y += M) {
|
| 753 |
+
ctx.beginPath();
|
| 754 |
+
ctx.moveTo(0, y);
|
| 755 |
+
ctx.lineTo(width, y);
|
| 756 |
+
ctx.stroke();
|
| 757 |
+
}
|
| 758 |
+
|
| 759 |
+
return canvas;
|
| 760 |
+
}
|
| 761 |
+
|
| 762 |
+
window.addEventListener('DOMContentLoaded', init);
|
| 763 |
+
</script>
|
| 764 |
+
</body>
|
| 765 |
+
</html>
|
sample_12b.png
ADDED
|
Git LFS Details
|
sample_paper.png
ADDED
|
Git LFS Details
|