Image quality assessment utility for sharp.

• MSE .mse
• PSNR .psnr

Future

• SSIM

Sample

Use exported SharpIQA.sharp because different sharp version maybe get segmentation fault.

const SharpIQA = require('sharp-iqa')

(async() {
  const psnr = await SharpIQA.psnr(SharpIQA.sharp('path/image1.png'), SharpIQA.sharp('path/image2.png'))
  console.log(psnr)
})()