如何对图片进行高斯模糊处理

import image from "@ohos.multimedia.image"; 
import effectKit from "@ohos.effectKit"; 
 
const color = new ArrayBuffer(96); 
let opts: image.InitializationOptions = { editable: true, pixelFormat: 3, size: { height: 4, width: 6 } }; 
image.createPixelMap(color, opts).then((pixelMap) => { 
  let radius = 5;   
  let headFilter = effectKit.createEffect(pixelMap);   
  if (headFilter != null) { 
    headFilter.blur(radius); 
  }   
})
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