| Records |
| Author |
Joan Serrat; Ferran Diego; Felipe Lumbreras; Jose Manuel Alvarez; Antonio Lopez; C. Elvira |
| Title |
Dynamic Comparison of Headlights |
Type |
Journal Article |
| Year |
2008 |
Publication |
Journal of Automobile Engineering |
Abbreviated Journal |
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| Volume |
222 |
Issue |
5 |
Pages |
643–656 |
| Keywords |
video alignment |
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Approved |
no |
| Call Number |
ADAS @ adas @ SDL2008a |
Serial |
958 |
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| Author |
Joan Marti; Jose Miguel Benedi; Ana Maria Mendonça; Joan Serrat |
| Title |
Pattern Recognition and Image Analysis |
Type |
Book Whole |
| Year |
2007 |
Publication |
3rd Iberian Conference |
Abbreviated Journal |
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| Volume |
6669 |
Issue |
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Pages |
4477-4478 |
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| Address |
Girona (Spain) |
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IbPRIA |
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ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ MBM2007 |
Serial |
994 |
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| Author |
Angel Sappa; Fadi Dornaika; Daniel Ponsa; David Geronimo; Antonio Lopez |
| Title |
An Efficient Approach to Onboard Stereo Vision System Pose Estimation |
Type |
Journal Article |
| Year |
2008 |
Publication |
IEEE Transactions on Intelligent Transportation Systems |
Abbreviated Journal |
TITS |
| Volume |
9 |
Issue |
3 |
Pages |
476–490 |
| Keywords |
Camera extrinsic parameter estimation, ground plane estimation, onboard stereo vision system |
| Abstract |
This paper presents an efficient technique for estimating the pose of an onboard stereo vision system relative to the environment’s dominant surface area, which is supposed to be the road surface. Unlike previous approaches, it can be used either for urban or highway scenarios since it is not based on a specific visual traffic feature extraction but on 3-D raw data points. The whole process is performed in the Euclidean space and consists of two stages. Initially, a compact 2-D representation of the original 3-D data points is computed. Then, a RANdom SAmple Consensus (RANSAC) based least-squares approach is used to fit a plane to the road. Fast RANSAC fitting is obtained by selecting points according to a probability function that takes into account the density of points at a given depth. Finally, stereo camera height and pitch angle are computed related to the fitted road plane. The proposed technique is intended to be used in driverassistance systems for applications such as vehicle or pedestrian detection. Experimental results on urban environments, which are the most challenging scenarios (i.e., flat/uphill/downhill driving, speed bumps, and car’s accelerations), are presented. These results are validated with manually annotated ground truth. Additionally, comparisons with previous works are presented to show the improvements in the central processing unit processing time, as well as in the accuracy of the obtained results. |
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IEEE |
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ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ SDP2008 |
Serial |
1000 |
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| Author |
Carme Julia; Angel Sappa; Felipe Lumbreras; Antonio Lopez |
| Title |
Recovery of Surface Normals and Reflectance from Different Lighting Conditions |
Type |
Conference Article |
| Year |
2008 |
Publication |
5th International Conference on Image Analysis and Recognition |
Abbreviated Journal |
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| Volume |
5112 |
Issue |
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Pages |
315–325 |
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| Notes |
ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ JSL2008c |
Serial |
1014 |
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| Author |
Fadi Dornaika; Angel Sappa |
| Title |
Real Time on Board Stereo Camera Pose through Image Registration |
Type |
Conference Article |
| Year |
2008 |
Publication |
IEEE Intelligent Vehicles Symposium, |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
804–809 |
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| Abstract |
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| Address |
Eindhoven (Netherlands) |
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| Notes |
ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ DoS2008a |
Serial |
1015 |
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| Author |
Carme Julia; Angel Sappa; Felipe Lumbreras; Joan Serrat |
| Title |
Photometric Stereo through and Adapted Alternation Approach |
Type |
Conference Article |
| Year |
2008 |
Publication |
IEEE International Conference on Image Processing, |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
1500–1503 |
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| Address |
San Diego; CA; USA |
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| Notes |
ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ JSL2008d |
Serial |
1016 |
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| Author |
Angel Sappa; Fadi Dornaika; David Geronimo; Antonio Lopez |
| Title |
Registration-based Moving Object Detection from a Moving Camera |
Type |
Conference Article |
| Year |
2008 |
Publication |
IROS2008 2nd Workshop on Perception, Planning and Navigation for Intelligent Vehicles |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
65–69 |
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| Abstract |
This paper presents a robust approach for detecting moving objects from on-board stereo vision systems. It relies on a feature point quaternion-based registration, which avoids common problems that appear when computationally expensive iterative-based algorithms are used on dynamic environments. The proposed approach consists of three stages. Initially, feature points are extracted and tracked through consecutive frames. Then, a RANSAC based approach is used for registering
two 3D point sets with known correspondences by means of the quaternion method. Finally, the computed 3D rigid displacement is used to map two consecutive frames into the same coordinate system. Moving objects correspond to those areas with large registration errors. Experimental results, in different scenarios, show the viability of the proposed approach. |
| Address |
Nice (France) |
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ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ SDG2008 |
Serial |
1017 |
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| Author |
Fadi Dornaika; Angel Sappa |
| Title |
Evaluation of an Appearance-based 3D Face Tracker using Dense 3D Data |
Type |
Journal |
| Year |
2008 |
Publication |
Machine Vision and Applications |
Abbreviated Journal |
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| Volume |
19 |
Issue |
5-6 |
Pages |
427–441 |
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| Notes |
ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ DoS2008b |
Serial |
1018 |
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| Author |
Carme Julia; Angel Sappa; Felipe Lumbreras; Joan Serrat; Antonio Lopez |
| Title |
An Adapted Alternation Approach for Recommender Systems |
Type |
Conference Article |
| Year |
2008 |
Publication |
IEEE International Conference on e–Business Engineering, |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
128–135 |
| Keywords |
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| Abstract |
This paper presents an adaptation of the alternation technique to tackle the prediction task in recommender systems. These systems are widely considered in electronic commerce to help customers to find products they will probably like or dislike. As the SVD-based approaches, the proposed adapted alternation technique uses all the information stored in the system to find the predictions. The main advantage of this technique with respect to the SVD-based ones is that it can deal with missing data. Furthermore, it has a smaller computational cost. Experimental results with public data sets are provided in order to show the viability of the proposed adapted alternation approach. |
| Address |
Xi’an (Xina) |
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ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ JSL2008e |
Serial |
1044 |
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| Author |
Fadi Dornaika; Angel Sappa |
| Title |
Improving Appearance-Based 3D Face Tracking Using Sparse Stereo Data |
Type |
Conference Article |
| Year |
2007 |
Publication |
Advances in Computer Graphics and Computer Vision, |
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Issue |
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Pages |
354–366 |
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| Publisher |
Springer Verlag |
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Editor |
J. Braz, A. Ranchordas, H. Araujo and J. Jorge, |
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VISAPP |
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ADAS |
Approved |
no |
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ADAS @ adas @ DoS2007d |
Serial |
1046 |
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| Author |
Hugo Berti; Angel Sappa; Osvaldo Agamennoni |
| Title |
Improved Dynamic Window Approach by Using Lyapunov Stability Criteria |
Type |
Journal |
| Year |
2008 |
Publication |
Latin American Applied Research |
Abbreviated Journal |
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| Volume |
38 |
Issue |
4 |
Pages |
289–298 |
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ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ BSA2008 |
Serial |
1056 |
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| Author |
Fadi Dornaika; Angel Sappa |
| Title |
Real Time Image Registration for Planar Structure and 3D Sensor Pose Estimation |
Type |
Book Chapter |
| Year |
2008 |
Publication |
Stereo Vision |
Abbreviated Journal |
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| Volume |
18 |
Issue |
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Pages |
299–316 |
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Editor |
Asim Bhatti |
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ADAS |
Approved |
no |
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ADAS @ adas @ DoS2008c |
Serial |
1057 |
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| Author |
Jose Manuel Alvarez; Antonio Lopez |
| Title |
Novel Index for Objective Evaluation of Road Detection Algorithms |
Type |
Conference Article |
| Year |
2008 |
Publication |
Intelligent Transportation Systems. 11th International IEEE Conference on, |
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Pages |
815–820 |
| Keywords |
road detection |
| Abstract |
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| Address |
Beijing (Xina) |
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ITSC |
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ADAS |
Approved |
no |
| Call Number |
ADAS @ adas @ AlL2008 |
Serial |
1074 |
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| Author |
Ferran Diego; Daniel Ponsa; Joan Serrat; Antonio Lopez |
| Title |
Video Alignment for Difference-spotting |
Type |
Miscellaneous |
| Year |
2008 |
Publication |
Proceedings of the ECCV workshop on Multi–camera and Multi–modal Sensor Fusion Algorithms and Applications (M2SFA2 2008), Marseille (France) |
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video alignment |
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ADAS |
Approved |
no |
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ADAS @ adas @ DPS2008 |
Serial |
1079 |
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| Author |
David Aldavert; Ricardo Toledo |
| Title |
Stereo Vision Local Map Alignment for Robot Environment Mapping |
Type |
Book Chapter |
| Year |
2008 |
Publication |
Robot Vision Second International Workshop, RobVis |
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4931 |
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111–124 |
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Auckland (New Zealand) |
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no |
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Admin @ si @ AlT2008 |
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1100 |
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