{
  "article": "ai-video-enhancement-before-after",
  "experiment_date": "2026-10-11",
  "packaged_on": "2026-10-18",
  "source": "Big Buck Bunny (2008)",
  "attribution": "(c) copyright 2008, Blender Foundation / www.bigbuckbunny.org",
  "source_url": "https://peach.blender.org/about/",
  "license": "CC BY 3.0",
  "license_url": "https://creativecommons.org/licenses/by/3.0/",
  "changes": "Excerpts, bicubic downsampling, H.264 compression, ReCaVSR enhancement, Lanczos display resizing, aligned crops, labels, silent H.264 web copies and WebP stills.",
  "source_intervals_seconds": [
    [
      118,
      128
    ],
    [
      212,
      222
    ],
    [
      430,
      440
    ]
  ],
  "comparison": {
    "panels": [
      "A: enlarged input",
      "B: ReCaVSR output",
      "C: HD reference"
    ],
    "panel_pixels": [
      640,
      360
    ],
    "fps": 24,
    "seconds": 30,
    "audio": false,
    "web_h264_crf": 20
  },
  "crop_frame": 360,
  "crops": {
    "fur": [
      1300,
      250,
      600,
      600
    ],
    "grass": [
      960,
      900,
      320,
      180
    ]
  },
  "limits": [
    "Animation with synthetic degradation; not a real-camera deblurring benchmark.",
    "Resolution and H.264 compression both differ between the two input conditions.",
    "October 11 standalone laboratory outputs, not a promise of live-service dimensions or identical results.",
    "No customer media or newly generated inference."
  ],
  "runs": {
    "180": {
      "report": "model-experiment-bunny-180p-2026-10-11.json",
      "input_pixels": [
        320,
        180
      ],
      "input_h264_crf": 32,
      "output_pixels": [
        1920,
        1080
      ],
      "seed": 42,
      "source_sha256": {
        "input": "8f79a9915458e4871910f8af1c71d11bdcd4454f85fe7ab131da663bd4e2e18d",
        "enhanced": "9feacb60b5aa277b0b3c92c956b8f970442e632a2c95943a9267e6215c63cbb8",
        "reference": "831b4973709529029c8ea81b4b4f94f19a2a967ce133349d8992b67255b35bac"
      }
    },
    "360": {
      "report": "model-experiment-bunny-expanded-2026-10-11.json",
      "input_pixels": [
        640,
        360
      ],
      "input_h264_crf": 25,
      "output_pixels": [
        1920,
        1080
      ],
      "seed": 42,
      "source_sha256": {
        "input": "69218d31e7f633be698633949e2426404f123e4ce7cd8aa882dadcb1690b82c4",
        "enhanced": "b778ff6257e90f1288ad103693d7ba9c224c68f941fecabd30ba4824164c4a1c",
        "reference": "831b4973709529029c8ea81b4b4f94f19a2a967ce133349d8992b67255b35bac"
      }
    }
  },
  "assets": {
    "180p-fur-enhanced.webp": {
      "bytes": 237568,
      "sha256": "4e12834153cf180bf8ce2fa40399c066308c8992485a88ad311f7518be0f87d4"
    },
    "180p-fur-input.webp": {
      "bytes": 168396,
      "sha256": "0891c2f24000fea1e884db008a53e5e630087bda2d1b383b22029ec639cbe890"
    },
    "180p-fur-reference.webp": {
      "bytes": 293408,
      "sha256": "c6adc4420a53e1a014fdef9f6280202e523448a14664a1deba28524e312f73e5"
    },
    "180p-grass-enhanced.webp": {
      "bytes": 62628,
      "sha256": "712c9c666af76470726a21c37fa0eb129c2a89a5cf35ed84767a015e49a8d340"
    },
    "180p-grass-input.webp": {
      "bytes": 25404,
      "sha256": "703480036aa4f7cdf90712c818899044a7a9a67a55e310bc0b742c5f6327d4d7"
    },
    "180p-grass-reference.webp": {
      "bytes": 40322,
      "sha256": "75d20c1cb28a3f1d401de8123125dc17f68dc0dfa3886fc3ba6ebc4bfd146ff8"
    },
    "360p-fur-enhanced.webp": {
      "bytes": 270020,
      "sha256": "5f44e1afd5545d3a98dcedcb5455fde202a7c38df81101edc209ff298daf87b6"
    },
    "360p-fur-input.webp": {
      "bytes": 190914,
      "sha256": "26731b6c5b24ad3ac7a2f678e4039783022fa3f156acedbe61cce06b9a8c9fc2"
    },
    "360p-fur-reference.webp": {
      "bytes": 293408,
      "sha256": "c6adc4420a53e1a014fdef9f6280202e523448a14664a1deba28524e312f73e5"
    },
    "360p-grass-enhanced.webp": {
      "bytes": 46182,
      "sha256": "3db9533e27812b57907828f554a933d61d1a1456c48dadd1a14ed2879264d8f2"
    },
    "360p-grass-input.webp": {
      "bytes": 33754,
      "sha256": "c15b63ea321026ed79350aeab1d6d40369d299a129a797b3279bc919017e1b1f"
    },
    "360p-grass-reference.webp": {
      "bytes": 40322,
      "sha256": "75d20c1cb28a3f1d401de8123125dc17f68dc0dfa3886fc3ba6ebc4bfd146ff8"
    },
    "comparison-180p.mp4": {
      "bytes": 10900231,
      "sha256": "6eab94eb2e92e4a6ca8073ce89199577d94edbbaef7e567260d1a67c105d2534"
    },
    "comparison-360p.mp4": {
      "bytes": 10846963,
      "sha256": "dfa70f899f801f8e06e03c91b7bb921befe69deebda36b0b9199fc8121593892"
    },
    "poster-180p.webp": {
      "bytes": 89904,
      "sha256": "333d54899f941a04fad51f7f913da869b39d37680e6acb18ea53dd899c6da2a5"
    },
    "poster-360p.webp": {
      "bytes": 94606,
      "sha256": "7cb08cd4f2760afe7f2616014bfd814c6177884e92286cdf5f17086874721c09"
    }
  }
}
