Table 4 Summary of testing the method over a synthetic dataset with multiple low-temperature heat sources.

From: Tomographic reconstruction from planar thermal imaging using convolutional neural network

 

Original model (four-block CNN)

Extended model (five-block CNN)

Metrics

Mean ± std. dev.

Median (25–75 percentile)

Mean ± std. dev.

Median (25–75 percentile)

NMSE

0.022 ± 0.017

0.016

(0.012–0.025)

0.014 ± 0.017

0.008

(0.007–0.012)

CC

0.971 ± 0.020

0.977

(0.968–0.981)

0.980 ± 0.021

0.987

(0.982–0.989)

PSNR

29.579 ± 2.005

29.314

(28.545–30.649)

32.082 ± 2.852

31.834

(30.487–33.661)

SSIM

0.841 ± 0.074

0.849

(0.786–0.900)

0.904 ± 0.040

0.910

(0.879–0.938)