High performance and low complexity decoding light-weight video coding with motion estimation and mode decision at decoder

EURASIP Journal on Image and Video Processing

Table 2 The decoder time ratio of the proposed PB-based LVC and DISCOVER codecs

Decoding time complexity ratios (S)
QP	DISCOVER/H.264 intra		Ours/H.264 intra
QP	GOP 2	GOP 8	GOP 2	GOP 8
Hall(QCIF@15Hz)
37	209	373	1.17	1.08
36	223	395	1.17	1.1
36	234	417	1.16	1.09
33	306	660	1.17	1.09
33	309	653	1.17	1.08
31	397	876	1.16	1.08
29	455	985	1.16	1.11
24	581	1214	1.15	1.07
Soccer(QCIF@15Hz)
44	745	1358	1.17	1.15
43	758	1399	1.18	1.16
41	888	1680	1.17	1.15
36	1303	2483	1.17	1.15
36	1399	2634	1.17	1.15
34	1690	3129	1.15	1.13
31	1810	3390	1.18	1.22
25	2117	4048	1.18	1.17
Foreman(QCIF@15Hz)
42	428	959	1.17	1.16
40	470	1035	1.18	1.15
39	536	1205	1.17	1.17
36	830	2008	1.18	1.14
35	928	2194	1.17	1.15
33	1186	2666	1.16	1.16
31	1285	3033	1.17	1.18
26	1695	3979	1.16	1.16
CoastGuard(QCIF@15Hz)
38	277	636	1.18	1.17
37	307	663	1.18	1.15
37	329	761	1.18	1.15
34	485	1322	1.17	1.16
33	484	1370	1.18	1.17
31	665	1856	1.18	1.16
30	855	2203	1.17	1.16
26	1282	3058	1.15	1.12