Research Article

Temperature Field Data Reconstruction Using the Sparse Low-Rank Matrix Completion Method

Table 1

Comparison of original data and reconstruction data in red rectangle in Figure 3.

Latitude (N)Longitude (E)

(a) Original data
223.1222.0222.0222.0223.4224.8
226.8225.3224.8224.2225.3226.3
232.1231.0230.2229.4229.1228.8
236.7235.5234.3233.0231.6230.2
240.5238.9237.4236.1234.9233.3
245.0243.1241.6240.2239.1237.8
250.6248.3246.3244.4242.9241.4
255.0252.2250.0248.0246.3244.6

(b) Reconstruction results using MC
230.1230.1232.5227.8230.9219.4
231.8232.4230.7229.4230.3192.6
235.8235.3245.0229.0240.1238.4
239.3239.9237.1235.9235.4191.7
244.3244.1246.1238.6241.5224.0
247.2248.9231.8242.8233.9142.4
252.9253.6249.0247.0247.0190.3
257.5258.1251.7252.6249.2195.2

(c) Reconstruction results using SLR-MC
224.9224.3224.3224.8225.1229.3
227.2227.4225.9226.1226.2228.4
230.6231.9231.7232.0227.3232.0
237.6237.4235.8235.6233.4233.2
242.2242.1238.4235.9234.6234.4
248.0246.1245.5242.6238.5239.0
253.2250.7248.5246.8242.6238.9
257.5255.1251.9249.9245.4245.6