"image matting" meaning in English

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  "lang_code": "en",
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      "glosses": [
        "Extraction of an object in the foreground of an image from its background."
      ],
      "id": "en-image_matting-en-noun-sDYeb4Ow",
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          "Extraction",
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        [
          "object",
          "object"
        ],
        [
          "foreground",
          "foreground"
        ],
        [
          "image",
          "image"
        ],
        [
          "background",
          "background"
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      "raw_glosses": [
        "(machine learning) Extraction of an object in the foreground of an image from its background."
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        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "kōutú",
          "sense": "extraction of a foreground object",
          "word": "摳圖 /抠图"
        }
      ]
    }
  ],
  "word": "image matting"
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        "Extraction of an object in the foreground of an image from its background."
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          "foreground",
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          "background",
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        "(machine learning) Extraction of an object in the foreground of an image from its background."
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    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "kōutú",
      "sense": "extraction of a foreground object",
      "word": "摳圖 /抠图"
    }
  ],
  "word": "image matting"
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