Open-Source Telemedicine Platform for Wireless Medical Video Communication

Table 5

Video quality assessment measurements (PSNR) for investigated resolutions, coding structures, and bitrates.

No. of B-; frames	QCIF					CIF					560×416
	BitRate^a	Com.^b,c	WLAN	HSPA	VFD	BitRate	Com.	WLAN	HSPA	VFD	BitRate	Com.	WLAN	HSPA	VFD
0	128	34.5	32.4	29.8	33.1	256	33.6	33.1	30.3	33.2	512	35.2	34.4	31.9	35.0
	256	38.1	37.2	32.3	37.6	324	34.5	34.1	30.2	34.2	768	37	33.6	31.4	36.8
	324	39.6	38.5	32.4	39.3	512	36.5	34.5	30.9	35.9	—	—	—	—	—
2	128	35.4	35.0	32.2	35.0	256	34.7	34.5	30.9	34.3	512	36.7	36.5	32.0	36.5
	256	39	38.1	32.6	38.1	324	35.6	35.5	30.2	35.2	768	38.6	38.6	31.7	38.5
	324	40.5	38.6	31.2	40.1	512	37.7	37.4	29.7	37.1	—	—	—	—	—
4	128	35.4	35.4	31.5	35.4	256	34.6	34.4	31.0	34.3	512	36.7	36.2	31.7	36.0
	256	39	38.1	33.5	38.2	324	35.6	35.5	30.5	35.2	768	38.5	38.2	32.7	38.2
	324	40.5	38.7	31.5	39.2	512	37.6	36.8	30.5	36.9	—	—	—	—	—
8	128	35.0	33.9	31.1	35.0	256	34.3	34.1	30.1	33.9	512	36.3	36.1	31.2	36.0
	256	38.5	37.5	32.6	37.7	324	35.2	35	30.1	34.6	768	38.1	37.6	32.9	37.4
	324	39.9	38.8	31.1	39.2	512	37.2	36.4	30.4	36.5	—	—	—	—	—

^aBitrate in kbps, ^ball PSNR measurements in dB, ^ccompressed video.