{
  "dataset_info": {
    "name": "DeepCaptcha ML Testing Dataset",
    "version": "1.0",
    "total_images": 3000,
    "generation_date": "2025-09-22 19:03:32",
    "library_version": "11.0 - AI Resistance Edition"
  },
  "categories": {
    "level_0_baseline": {
      "count": 600,
      "description": "No AI resistance - vulnerable to ML attacks"
    },
    "level_1_basic": {
      "count": 600,
      "description": "Basic AI resistance - imperceptible protection (PSNR 44.8dB)"
    },
    "level_2_moderate": {
      "count": 600,
      "description": "Moderate AI resistance - enhanced security (PSNR 39.1dB)"
    },
    "level_3_advanced": {
      "count": 600,
      "description": "Advanced AI resistance - maximum protection (PSNR 40.4dB)"
    },
    "mixed_levels": {
      "count": 600,
      "description": "Mixed AI resistance levels with varied parameters"
    }
  },
  "statistics": {
    "ai_resistance_levels": {
      "0": 739,
      "1": 756,
      "2": 744,
      "3": 761
    },
    "color_modes": {
      "color": 1482,
      "bw": 1518
    },
    "text_lengths": {
      "4": 895,
      "5": 951,
      "6": 919,
      "7": 116,
      "3": 119
    },
    "image_dimensions": {
      "300x100": 319,
      "280x100": 292,
      "250x80": 284,
      "300x80": 269,
      "280x120": 284,
      "250x100": 282,
      "250x120": 330,
      "280x80": 276,
      "300x120": 281,
      "350x100": 28,
      "350x80": 25,
      "350x140": 31,
      "200x60": 25,
      "300x140": 28,
      "250x140": 24,
      "350x60": 28,
      "280x60": 25,
      "200x140": 25,
      "300x60": 17,
      "250x60": 18,
      "200x100": 23,
      "350x120": 33,
      "200x80": 21,
      "280x140": 19,
      "200x120": 13
    }
  }
}