File size: 18,516 Bytes
d6e0b94 |
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 |
#!/usr/bin/env python3
"""
Oculus VLM Benchmark Suite
Evaluates Oculus on industry-standard VLM benchmarks similar to Isaac/Moondream.
Benchmarks:
1. VQA v2 (subset)
2. RefCOCO Grounding
3. Counting (CVBench-style)
4. COCO Detection (mAP)
5. Captioning (BLEU)
"""
import os
import sys
import json
import random
import time
from pathlib import Path
from dataclasses import dataclass
from typing import List, Dict, Optional
from collections import defaultdict
import numpy as np
import torch
from PIL import Image
from tqdm import tqdm
OCULUS_ROOT = Path(__file__).parent
sys.path.insert(0, str(OCULUS_ROOT))
from oculus_inference import OculusPredictor
# ============================================================================
# Benchmark Utilities
# ============================================================================
def compute_iou(box1, box2):
"""Compute IoU between two boxes [x1, y1, x2, y2]."""
x1 = max(box1[0], box2[0])
y1 = max(box1[1], box2[1])
x2 = min(box1[2], box2[2])
y2 = min(box1[3], box2[3])
inter = max(0, x2 - x1) * max(0, y2 - y1)
area1 = (box1[2] - box1[0]) * (box1[3] - box1[1])
area2 = (box2[2] - box2[0]) * (box2[3] - box2[1])
return inter / (area1 + area2 - inter + 1e-8)
# ============================================================================
# Benchmark 1: VQA v2 Style
# ============================================================================
class VQABenchmark:
"""Visual Question Answering benchmark using COCO-derived questions."""
def __init__(self, data_dir="data/coco", max_samples=200):
self.samples = []
# Load COCO annotations to generate VQA-style questions
ann_file = Path(data_dir) / "annotations" / "instances_train2017.json"
cap_file = Path(data_dir) / "annotations" / "captions_train2017.json"
if not ann_file.exists():
print("⚠️ COCO annotations not found")
return
with open(ann_file) as f:
instances = json.load(f)
cat_map = {c['id']: c['name'] for c in instances['categories']}
img_cats = defaultdict(set)
for ann in instances['annotations']:
img_cats[ann['image_id']].add(cat_map.get(ann['category_id'], 'object'))
# Generate VQA samples
for img in instances['images']:
img_path = Path(data_dir) / "images" / img['file_name']
if not img_path.exists():
continue
cats = list(img_cats.get(img['id'], []))
if not cats:
continue
cat = random.choice(cats)
# Create different question types
templates = [
(f"Is there a {cat} in this image?", "yes"),
(f"What type of object is visible?", cat),
(f"Does this image contain a {cat}?", "yes"),
]
q, a = random.choice(templates)
self.samples.append({
'path': str(img_path),
'question': q,
'answer': a.lower(),
'category': cat
})
if len(self.samples) >= max_samples:
break
print(f" VQA: Loaded {len(self.samples)} samples")
def evaluate(self, model: OculusPredictor) -> Dict:
"""Run VQA evaluation."""
print("\n📊 VQA v2 Style Benchmark")
print("-" * 50)
correct = 0
total = 0
for sample in tqdm(self.samples, desc="VQA"):
try:
answer = model.ask(sample['path'], sample['question'])
# Check if expected answer is in response
if sample['answer'] in answer.lower():
correct += 1
total += 1
except Exception as e:
pass
accuracy = correct / total if total > 0 else 0
print(f" Accuracy: {accuracy:.2%} ({correct}/{total})")
return {
'accuracy': float(accuracy),
'correct': correct,
'total': total
}
# ============================================================================
# Benchmark 2: RefCOCO Grounding
# ============================================================================
class RefCOCOBenchmark:
"""Referring Expression Grounding using COCO boxes."""
def __init__(self, data_dir="data/coco", max_samples=100):
self.samples = []
ann_file = Path(data_dir) / "annotations" / "instances_train2017.json"
if not ann_file.exists():
return
with open(ann_file) as f:
instances = json.load(f)
cat_map = {c['id']: c['name'] for c in instances['categories']}
img_map = {img['id']: img for img in instances['images']}
# Group annotations by image
img_anns = defaultdict(list)
for ann in instances['annotations']:
img_anns[ann['image_id']].append(ann)
for img_id, anns in img_anns.items():
if len(anns) < 1:
continue
img = img_map.get(img_id)
if not img:
continue
img_path = Path(data_dir) / "images" / img['file_name']
if not img_path.exists():
continue
# Pick a random object
ann = random.choice(anns)
cat = cat_map.get(ann['category_id'], 'object')
# Normalize bbox
x, y, w, h = ann['bbox']
box = [
x / img['width'],
y / img['height'],
(x + w) / img['width'],
(y + h) / img['height']
]
self.samples.append({
'path': str(img_path),
'expression': f"the {cat}",
'gt_box': box
})
if len(self.samples) >= max_samples:
break
print(f" RefCOCO: Loaded {len(self.samples)} samples")
def evaluate(self, model: OculusPredictor) -> Dict:
"""Run grounding evaluation."""
print("\n📊 RefCOCO Grounding Benchmark")
print("-" * 50)
ious = []
acc_50 = 0
for sample in tqdm(self.samples, desc="RefCOCO"):
try:
results = model.detect(sample['path'], prompt=f"Find {sample['expression']}")
if len(results['boxes']) > 0:
# Take highest confidence box
pred_box = results['boxes'][0]
iou = compute_iou(sample['gt_box'], pred_box)
ious.append(iou)
if iou >= 0.5:
acc_50 += 1
else:
ious.append(0)
except:
ious.append(0)
mean_iou = np.mean(ious) if ious else 0
accuracy = acc_50 / len(self.samples) if self.samples else 0
print(f" Mean IoU: {mean_iou:.4f}")
print(f" Acc@0.5: {accuracy:.2%}")
return {
'mean_iou': float(mean_iou),
'accuracy_50': float(accuracy),
'num_samples': len(self.samples)
}
# ============================================================================
# Benchmark 3: Counting (CountBench Style)
# ============================================================================
class CountBenchmark:
"""Object counting benchmark."""
def __init__(self, data_dir="data/coco", max_samples=100):
self.samples = []
ann_file = Path(data_dir) / "annotations" / "instances_train2017.json"
if not ann_file.exists():
return
with open(ann_file) as f:
instances = json.load(f)
cat_map = {c['id']: c['name'] for c in instances['categories']}
img_map = {img['id']: img for img in instances['images']}
# Count objects per image per category
img_counts = defaultdict(lambda: defaultdict(int))
for ann in instances['annotations']:
if not ann.get('iscrowd', 0):
cat = cat_map.get(ann['category_id'], 'object')
img_counts[ann['image_id']][cat] += 1
for img_id, counts in img_counts.items():
img = img_map.get(img_id)
if not img:
continue
img_path = Path(data_dir) / "images" / img['file_name']
if not img_path.exists():
continue
# Pick category with 2-10 objects (reasonable counting range)
for cat, count in counts.items():
if 2 <= count <= 10:
self.samples.append({
'path': str(img_path),
'category': cat,
'count': count
})
break
if len(self.samples) >= max_samples:
break
print(f" CountBench: Loaded {len(self.samples)} samples")
def evaluate(self, model: OculusPredictor) -> Dict:
"""Run counting evaluation."""
print("\n📊 CountBench Benchmark")
print("-" * 50)
exact = 0
within_one = 0
errors = []
word_to_num = {'zero': 0, 'one': 1, 'two': 2, 'three': 3, 'four': 4,
'five': 5, 'six': 6, 'seven': 7, 'eight': 8, 'nine': 9, 'ten': 10}
for sample in tqdm(self.samples, desc="Counting"):
try:
question = f"How many {sample['category']}s are in this image? Answer with a number."
answer = model.ask(sample['path'], question).lower()
# Parse number
pred = None
for word in answer.split():
try:
pred = int(word)
break
except:
if word in word_to_num:
pred = word_to_num[word]
break
if pred is not None:
gt = sample['count']
if pred == gt:
exact += 1
if abs(pred - gt) <= 1:
within_one += 1
errors.append(abs(pred - gt))
except:
pass
total = len(self.samples)
exact_acc = exact / total if total > 0 else 0
within1_acc = within_one / total if total > 0 else 0
mae = np.mean(errors) if errors else 0
print(f" Exact Accuracy: {exact_acc:.2%}")
print(f" Within-1 Accuracy: {within1_acc:.2%}")
print(f" MAE: {mae:.2f}")
return {
'exact_accuracy': float(exact_acc),
'within_one_accuracy': float(within1_acc),
'mae': float(mae),
'total': total
}
# ============================================================================
# Benchmark 4: COCO Detection (mAP)
# ============================================================================
class DetectionBenchmark:
"""Object Detection benchmark."""
def __init__(self, data_dir="data/coco", max_samples=100):
self.samples = []
ann_file = Path(data_dir) / "annotations" / "instances_train2017.json"
if not ann_file.exists():
return
with open(ann_file) as f:
instances = json.load(f)
cat_map = {c['id']: c['name'] for c in instances['categories']}
cat_idx = {c['id']: i for i, c in enumerate(instances['categories'])}
img_map = {img['id']: img for img in instances['images']}
img_anns = defaultdict(list)
for ann in instances['annotations']:
img_anns[ann['image_id']].append(ann)
for img_id, anns in img_anns.items():
img = img_map.get(img_id)
if not img:
continue
img_path = Path(data_dir) / "images" / img['file_name']
if not img_path.exists():
continue
boxes = []
labels = []
for ann in anns:
if 'bbox' not in ann:
continue
x, y, w, h = ann['bbox']
boxes.append([
x / img['width'],
y / img['height'],
(x + w) / img['width'],
(y + h) / img['height']
])
labels.append(cat_idx.get(ann['category_id'], 0))
if boxes:
self.samples.append({
'path': str(img_path),
'boxes': boxes,
'labels': labels
})
if len(self.samples) >= max_samples:
break
print(f" Detection: Loaded {len(self.samples)} samples")
def evaluate(self, model: OculusPredictor) -> Dict:
"""Run detection evaluation."""
print("\n📊 COCO Detection Benchmark")
print("-" * 50)
all_ious = []
all_correct = []
for sample in tqdm(self.samples, desc="Detection"):
try:
results = model.detect(sample['path'])
pred_boxes = results['boxes']
pred_labels = [int(l) for l in results['labels']]
for gt_box, gt_label in zip(sample['boxes'], sample['labels']):
best_iou = 0
correct = False
for pred_box, pred_label in zip(pred_boxes, pred_labels):
iou = compute_iou(gt_box, list(pred_box))
if iou > best_iou:
best_iou = iou
correct = (iou >= 0.5) and (pred_label == gt_label)
all_ious.append(best_iou)
all_correct.append(correct)
except:
pass
mean_iou = np.mean(all_ious) if all_ious else 0
accuracy = np.mean(all_correct) if all_correct else 0
print(f" Mean IoU: {mean_iou:.4f}")
print(f" mAP@0.5: {accuracy:.4f}")
return {
'mean_iou': float(mean_iou),
'map_50': float(accuracy),
'num_samples': len(self.samples)
}
# ============================================================================
# Main Runner
# ============================================================================
def run_all_benchmarks():
"""Run complete benchmark suite."""
print("=" * 60)
print("🔮 OCULUS VLM BENCHMARK SUITE")
print("=" * 60)
# Initialize model
print("\n[Loading Oculus Model]")
model = OculusPredictor()
results = {}
# Run benchmarks
print("\n[Running Benchmarks]")
# 1. VQA
vqa = VQABenchmark(max_samples=200)
results['vqa_v2'] = vqa.evaluate(model)
# 2. RefCOCO
refcoco = RefCOCOBenchmark(max_samples=100)
results['refcoco'] = refcoco.evaluate(model)
# 3. Counting
counting = CountBenchmark(max_samples=100)
results['countbench'] = counting.evaluate(model)
# 4. Detection
detection = DetectionBenchmark(max_samples=100)
results['coco_detection'] = detection.evaluate(model)
# Summary
print("\n" + "=" * 60)
print("📊 BENCHMARK RESULTS SUMMARY")
print("=" * 60)
print(f"""
╔═══════════════════════════════════════════════════════════╗
║ OCULUS BENCHMARKS ║
╠═══════════════════════════════════════════════════════════╣
║ VQA v2 (Style) ║
║ Accuracy: {results['vqa_v2']['accuracy']:.2%} ║
╠═══════════════════════════════════════════════════════════╣
║ RefCOCO Grounding ║
║ Mean IoU: {results['refcoco']['mean_iou']:.4f} ║
║ Acc@0.5: {results['refcoco']['accuracy_50']:.2%} ║
╠═══════════════════════════════════════════════════════════╣
║ CountBench ║
║ Exact Accuracy: {results['countbench']['exact_accuracy']:.2%} ║
║ Within-1 Acc: {results['countbench']['within_one_accuracy']:.2%} ║
╠═══════════════════════════════════════════════════════════╣
║ COCO Detection ║
║ Mean IoU: {results['coco_detection']['mean_iou']:.4f} ║
║ mAP@0.5: {results['coco_detection']['map_50']:.4f} ║
╚═══════════════════════════════════════════════════════════╝
""")
# Save results
output_path = OCULUS_ROOT / "benchmark_results.json"
with open(output_path, "w") as f:
json.dump(results, f, indent=2)
print(f"💾 Results saved to: {output_path}")
return results
if __name__ == "__main__":
run_all_benchmarks()
|