Car speed estimation based on cross-ratio using video data of car-mounted camera (black box) Inhwan Han Forensic Science International Volume 269, Pages 89-96 (December 2016) DOI: 10.1016/j.forsciint.2016.11.014 Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions
Fig. 1 Projective transformation and cross-ratio. Forensic Science International 2016 269, 89-96DOI: (10.1016/j.forsciint.2016.11.014) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions
Fig. 2 Application of cross-ratio method for estimation of a car speed. Forensic Science International 2016 269, 89-96DOI: (10.1016/j.forsciint.2016.11.014) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions
Fig. 3 Estimating a travel distance utilizing a portal site (Naver) map. Forensic Science International 2016 269, 89-96DOI: (10.1016/j.forsciint.2016.11.014) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions
Fig. 4 Estimating the speed of a car traveling along a straight path. Forensic Science International 2016 269, 89-96DOI: (10.1016/j.forsciint.2016.11.014) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions
Fig. 5 Cross ratio and existing method of speed estimation-straight path. Forensic Science International 2016 269, 89-96DOI: (10.1016/j.forsciint.2016.11.014) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions
Fig. 6 A chord and an arc. Forensic Science International 2016 269, 89-96DOI: (10.1016/j.forsciint.2016.11.014) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions
Fig. 7 A car traveling along a slightly curvilinear path. Forensic Science International 2016 269, 89-96DOI: (10.1016/j.forsciint.2016.11.014) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions
Fig. 8 Estimating the speed of a car traveling along a curvilinear path. Forensic Science International 2016 269, 89-96DOI: (10.1016/j.forsciint.2016.11.014) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions
Fig. 9 Cross ratio and existing method of speed estimation-curvilinear path. Forensic Science International 2016 269, 89-96DOI: (10.1016/j.forsciint.2016.11.014) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions
Fig. 10 A car’s ego-travel along a straight path. Forensic Science International 2016 269, 89-96DOI: (10.1016/j.forsciint.2016.11.014) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions
Fig. 11 Estimating a car ego-speed along a straight path. Forensic Science International 2016 269, 89-96DOI: (10.1016/j.forsciint.2016.11.014) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions
Fig. 12 Comparison of car ego-speeds along a straight path. Forensic Science International 2016 269, 89-96DOI: (10.1016/j.forsciint.2016.11.014) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions
Fig. 13 Estimating a car ego-speed along a curvilinear path. Forensic Science International 2016 269, 89-96DOI: (10.1016/j.forsciint.2016.11.014) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions
Fig. 14 Estimating other car speed while driving. Forensic Science International 2016 269, 89-96DOI: (10.1016/j.forsciint.2016.11.014) Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions