1. Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Reference region as indicated by the motion vector. Figure Legend: From: Fast mode decision algorithm in MPEG-2 to H.264/AVC transcoding including group of picture structure conversion Opt. Eng. 2009;48(5):057003-057003-11. doi:10.1117/1.3127198

2. Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Illustration of the four types in the reference region: (a) ALL ̱ SKIP, (b) SKIP ̱ 16, (c) ABOVE 8×8, and (d) COMPLEX. Figure Legend: From: Fast mode decision algorithm in MPEG-2 to H.264/AVC transcoding including group of picture structure conversion Opt. Eng. 2009;48(5):057003-057003-11. doi:10.1117/1.3127198

3. Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Motion compensated ith MB residual in MPEG-2. Figure Legend: From: Fast mode decision algorithm in MPEG-2 to H.264/AVC transcoding including group of picture structure conversion Opt. Eng. 2009;48(5):057003-057003-11. doi:10.1117/1.3127198

4. Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Threshold calculation process (P1, P2, and P3 refer to the P picture, and B refers to the B picture). Figure Legend: From: Fast mode decision algorithm in MPEG-2 to H.264/AVC transcoding including group of picture structure conversion Opt. Eng. 2009;48(5):057003-057003-11. doi:10.1117/1.3127198

5. Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Mode decision process in the I picture and P picture of the MPEG-2bit stream. Figure Legend: From: Fast mode decision algorithm in MPEG-2 to H.264/AVC transcoding including group of picture structure conversion Opt. Eng. 2009;48(5):057003-057003-11. doi:10.1117/1.3127198

6. Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Mode decision process in the B picture of the MPEG-2bit stream. Figure Legend: From: Fast mode decision algorithm in MPEG-2 to H.264/AVC transcoding including group of picture structure conversion Opt. Eng. 2009;48(5):057003-057003-11. doi:10.1117/1.3127198

7. Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Proposed structure for transcoding MPEG-2 to H.264/AVC. Figure Legend: From: Fast mode decision algorithm in MPEG-2 to H.264/AVC transcoding including group of picture structure conversion Opt. Eng. 2009;48(5):057003-057003-11. doi:10.1117/1.3127198

8. Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. RD performance of the bus sequence (N=12, M=2). Figure Legend: From: Fast mode decision algorithm in MPEG-2 to H.264/AVC transcoding including group of picture structure conversion Opt. Eng. 2009;48(5):057003-057003-11. doi:10.1117/1.3127198

9. Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. RD performance of the Paris sequence (N=12, M=3). Figure Legend: From: Fast mode decision algorithm in MPEG-2 to H.264/AVC transcoding including group of picture structure conversion Opt. Eng. 2009;48(5):057003-057003-11. doi:10.1117/1.3127198

10. Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. RD performance of the mobile sequence (N=12, M=4). Figure Legend: From: Fast mode decision algorithm in MPEG-2 to H.264/AVC transcoding including group of picture structure conversion Opt. Eng. 2009;48(5):057003-057003-11. doi:10.1117/1.3127198

11. Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. RD performance of the Akiyo sequence (N=15, M=5). Figure Legend: From: Fast mode decision algorithm in MPEG-2 to H.264/AVC transcoding including group of picture structure conversion Opt. Eng. 2009;48(5):057003-057003-11. doi:10.1117/1.3127198