Reduced-Dimensional Capture of High-Dynamic Range Images with Compressive Sensing

Table 1

Comparison of difference compressive sensing and reconstruction algorithm.

Image	Sampling rate	Algorithm	PSNR	MSE	Entropy	Average gradient	Running time （s）
Airplane	0.3	BP	23.774	44.389	7.215	7.802	28.199
		OMP	23.609	46.271	7.188	8.543	15.442
		StOMP	25.271	47.781	7.065	10.049	0.075
		Ours	28.861	46.341	7.097	8.227	36.31
	0.5	BP	30.278	45.169	6.996	6.673	42.239
		OMP	28.506	46.545	7.057	7.167	30.557
		StOMP	24.913	48.297	7.113	11.379	0.079
		Ours	33.356	46.365	6.999	7.158	38.024
	0.8	BP	40.16	46.097	6.902	6.189	81.628
		OMP	34.257	46.368	6.952	6.462	60.081
		StOMP	26.219	47.882	7.117	10.788	0.311
		Ours	36.601	46.348	6.938	6.551	42.084
Lena	0.3	BP	27.394	46.153	7.862	6.303	27.167
		OMP	26.285	47.967	7.864	7.26	15.625
		StOMP	26.579	48.876	7.861	9.157	0.089
		Ours	30.116	47.846	7.862	7.12	28.709
	0.5	BP	32.867	47.262	7.865	5.88	39.993
		OMP	30.808	47.803	7.866	6.371	29.406
		StOMP	25.885	49.249	7.859	10.208	0.313
		Ours	33.442	47.743	7.863	6.308	29.429
	0.8	BP	40.415	47.678	7.862	5.795	80.541
		OMP	35.008	47.85	7.865	5.971	58.919
		StOMP	27.261	49.012	7.861	9.779	0.326
		Ours	36.171	47.799	7.863	6.051	32.847