How can I write DSSIM+MAE loss function for model training | 寵物協尋網
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2022年8月3日—HowcanIwritecodeDSSIM+MAElossfunctionfromformula:Loss=αMAE+(1-α)DSSIM.with.MeanAbsoluteError(MAE)=(1/M)*∑|yi–xi| ...
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How can I write code DSSIM+MAE loss function from formula:
Loss = αMAE + (1-α)DSSIMwith
Mean Absolute Error(MAE) = (1/M) * ∑|yi – xi| DSSIM = 1-SSIM SSIM = (numerator1 * numerator2) / (denominator1 * denominator2)numerator1 = 2 * μ12 + C1 #μ12 = μ1 * μ2
numerator2 = 2 * σ12 + C2
denominator1 = μ1_sq + μ2_sq + C1
denominator2 = σ1_sq + σ2_sq + C2
where α is a trade-off parameter between MAE and DSSIM,
M is the total number of pixels in the image,
μ is the mean value of the image,
σ is the standard variation of the image, and σx,y is the covariance of x and y two images. c1 and c2 are two variables that stabilize the division with a weak denominator. In our impleme...
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