Measurement of the motion of fertilizer particles leaving a centrifugal spreader using a fast imaging system

Precision Agriculture

Volumn 4, Issue 3, 2003, Pages 279-295

  Cointault, Frederic ^a   Sarrazin, Philippe ^a   Paindavoine, Michel ^b  

^a UNIVERSITÉ DE BOURGOGNE   (France)

^b UNIVERSITÉ DE BOURGOGNE   (France)

Author keywords

Centrifugal spreading; Image analysis; Motion estimation; Multi exposure images; Particle ejection; Trajectories

Indexed keywords

FERTILIZER; IMAGE ANALYSIS; PARTICLE MOTION; PRECISION AGRICULTURE; SPATIAL DISTRIBUTION; TRAJECTORY;

EID: 0042740669     PISSN: 13852256     EISSN: None     Source Type: Journal    
DOI: 10.1023/A:1024904523582     Document Type: Article

References (15)

1. Adjroudi, R. 1993. Comportement d'un flux de particules solides hétérogènes sous l'action d'un lanceur rotatif (Behavior of heterogeneous solid particle flow under the effect of a rotary launcher). Ph.D. Thesis (Institut National Agronomique Paris-Grignon, France).
2. Beauchemin, S. S. and Barron, J. L. 1995. The computation of optical flow. ACM Computing Surveys 27(3), 433-467.
3. Cointault, F., Sarrazin, P., Rousselet, M. and Paindavoine, M. 2000. Modulation of the centrifugal spreading of the granules fertilizers: Flow measure and determination of the particles trajectories by imagery. In: Colloque AP2000: Actes du colloque Agriculture de Précision, edited by Educagri editions (Dijon, France), pp. 321-335.
4. Colin, A. 1997. Etude du procédé d'épandage centrifuge d'engrais minéraux (Study of the centrifugal spreading process of fertilizer). Ph.D. Thesis (Université Technologique de Compiègne, France).
5. Graffigne, C., Preteux, F., Sigelle, M., Zérubia, J. Pérez, P. and Heitz, F. 1995. Hierarchical markov random field models applied to image analysis: A review. In: Image and Signal Processing Proceedings, SPIE Conference No 2568 on Neural Morphological and Statistic Methods, July 10-11 (San Diego).
6. Heeger, D. J. 1987. Model for the extraction of image flow. Optical Society of America 4(8), 1455-1471.
7. Heikkilä, J. and Silvèn, O. 1997. A four-step camera calibration procedure with implicit image correction. In: CVPR'97: Proceedings of IEEE Computer Society Conference on Computer Vision and Pattern Recognition (San Juan, Puerto Rico), pp. 1106-1112.
8. Hofstee, J. W. 1994. Handling and spreading of fertilizers: Part 3, measurement of particle velocities and directions with ultrasonic transducers, theory, measurement system, and experimental arrangements. Journal of Agricultural Engineering Research 58(1), 1-16.
9. Horn, B. K. P. and Schunck, B. 1981. Determining optical flow. Artificial Intelligence 17, 185-203.
10. Kardouchi, M., Dipanda, A. and Legrand, L. 1997. Motion estimation with markov random fields using a direct algorithm. SPIE, International Symposium on Optical Applied Science and Engineering, 3101, Berlin, pp. 95-103.
11. Olieslagers, R. 1997. Fertilizer distribution modeling for centrifugal spreader design. Ph.D. Thesis (University of Leuven, Belgium).
12. Orkisz, M. and Clarysse, P. 1996. Estimation du flot optique en présence de discontinuités: une revue (Optical flow estimation preserving discontinuities: A survey). Traitement du Signal, Numéro spécial "Le mouvement dans les signaux et les images" 13(5), 489-513.
13. Patent No 0109749. 24 July 2001. Dispositif de mesure du débit massique sur distributeur centrifuge de particules solides (Measurement system of solid particles mass flow on a centrifugal distributor).
14. Patterson, D. E. and Reece, A. R. 1962. The theory of centrifugal distributor I: Motion on the disc, near-centre feed. Journal of Agricultural Engineering Research 7(3), 232-234.
15. Pellerin, D., Spinéi, A. and Guérin-Dugué, A. 1996. Optical flow based on combined gabor filters. Revue Traitement du Signal 13(1), 13-23.