RemBG v1.4

September 15, 2023

RemBG v1.4 is an optimized image background removal model focused on rapid and accurate separation of foreground subjects from background. It uses lightweight segmentation to produce clean alpha masks for visual assets, product photos, and portraits without manual editing.

Remove Background

Fringed Cowboy Boot Product Cutout

Request

{
  "taskType": "removeBackground",
  "taskUUID": "6541d00b-d8c9-48f1-be40-23ebe70a5bc0",
  "model": "runware:109@1",
  "settings": {
    "alphaMatting": true,
    "alphaMattingBackgroundThreshold": 12,
    "alphaMattingErodeSize": 4,
    "alphaMattingForegroundThreshold": 242,
    "postProcessMask": true,
    "returnOnlyMask": false,
    "rgba": [
      255,
      255,
      255,
      0
    ]
  },
  "inputs": {
    "image": "https://assets.runware.ai/assets/inputs/72454a33-d7b3-4da3-970d-b8c834836750.jpg"
  }
}

Response

{
  "taskType": "imageBackgroundRemoval",
  "taskUUID": "6541d00b-d8c9-48f1-be40-23ebe70a5bc0",
  "imageUUID": "dca788da-4415-4115-b046-4a5780baee44",
  "imageURL": "https://im.runware.ai/image/os/a09dlim3/ws/5/ii/dca788da-4415-4115-b046-4a5780baee44.png",
  "cost": 0.0038,
  "inputImageUUID": "b771c426-c17d-4e8a-b52c-6fc63f5797c2"
}

Remove Background

Pixelated Toy Robot Portrait

Request

{
  "taskType": "removeBackground",
  "taskUUID": "cdc8c516-310a-4646-b983-9cd3ec6993e4",
  "model": "runware:109@1",
  "settings": {
    "rgba": [
      255,
      255,
      255,
      0
    ],
    "postProcessMask": true,
    "alphaMatting": true,
    "alphaMattingForegroundThreshold": 230,
    "alphaMattingBackgroundThreshold": 15,
    "alphaMattingErodeSize": 8
  },
  "inputs": {
    "image": "https://assets.runware.ai/assets/inputs/835cc7d5-93d0-4af4-a427-2427f170084d.jpg"
  }
}

Response

{
  "taskType": "imageBackgroundRemoval",
  "taskUUID": "cdc8c516-310a-4646-b983-9cd3ec6993e4",
  "imageUUID": "7e745c5e-2a3a-4a44-b9d0-1920c8866d14",
  "imageURL": "https://im.runware.ai/image/os/a13d12/ws/3/ii/7e745c5e-2a3a-4a44-b9d0-1920c8866d14.png",
  "cost": 0.0013,
  "inputImageUUID": "5071606e-5a78-4c28-bde5-66a1534ddde0"
}

Remove Background

Feathered Cabaret Headpiece Portrait

Request

{
  "taskType": "removeBackground",
  "taskUUID": "3962706f-6f5e-4687-90b5-3c29e272b6d6",
  "model": "runware:109@1",
  "settings": {
    "alphaMatting": true,
    "alphaMattingBackgroundThreshold": 12,
    "alphaMattingErodeSize": 4,
    "alphaMattingForegroundThreshold": 242,
    "postProcessMask": true,
    "returnOnlyMask": false,
    "rgba": [
      255,
      255,
      255,
      0
    ]
  },
  "inputs": {
    "image": "https://assets.runware.ai/assets/inputs/9a8c80f0-146a-4678-b103-20c422db2049.jpg"
  }
}

Response

{
  "taskType": "imageBackgroundRemoval",
  "taskUUID": "3962706f-6f5e-4687-90b5-3c29e272b6d6",
  "imageUUID": "5dc78a86-9a26-4bec-974d-36a064686378",
  "imageURL": "https://im.runware.ai/image/os/a09dlim3/ws/5/ii/5dc78a86-9a26-4bec-974d-36a064686378.png",
  "cost": 0.0051,
  "inputImageUUID": "ba0fd9ee-2d0d-442f-9e87-974633f8f040"
}

Remove Background

Pixel Sprite Character Cutout

Request

{
  "taskType": "removeBackground",
  "taskUUID": "277fb836-9d5c-4b60-b80b-70441b2e97e4",
  "model": "runware:109@1",
  "settings": {
    "rgba": [
      255,
      255,
      255,
      0
    ],
    "postProcessMask": true,
    "alphaMatting": true,
    "alphaMattingForegroundThreshold": 235,
    "alphaMattingBackgroundThreshold": 12,
    "alphaMattingErodeSize": 4
  },
  "inputs": {
    "image": "https://assets.runware.ai/assets/inputs/35b37672-4a53-4bbd-8781-94b3895832d1.jpg"
  }
}

Response

{
  "taskType": "imageBackgroundRemoval",
  "taskUUID": "277fb836-9d5c-4b60-b80b-70441b2e97e4",
  "imageUUID": "0755f8e6-2323-417b-8f6f-962e9cb8877e",
  "imageURL": "https://im.runware.ai/image/os/a24d12/ws/3/ii/0755f8e6-2323-417b-8f6f-962e9cb8877e.png",
  "cost": 0.0013,
  "inputImageUUID": "9cd88089-8856-4e22-9b3a-9622ad153ef1"
}