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CHASSERIEAU Quentin committed Feb 20, 2025
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Expand Up @@ -41,12 +41,11 @@ Matrix Road Caster is a machine learning algorithm used to estimate the average
Random origins and destinations are scattered on the network, the Origin-Destination times are requested on the Here API for the chosen time of day
![alt text](/here/1_HERE_zones_centroids.png)
The iterative algorithm adjusts the speed on the network and computes the shortest path until the OD times are consistent between the network and the request pool.
![alt text](/here/2_HERE_iteration_error.png)
![alt text](/here/3_HERE_road_calibration.png)
![alt text](/here/2_HERE_iteration_error.png) ![alt text](/here/3_HERE_road_calibration.png)
To calibrate the roads at a small scale with few requests, OD times are interpolated before the iterative OD to road time algorithm.
![alt text](/here/4_HERE_OD_prediction_1.png)
![alt text](/here/4_HERE_OD_prediction_1.png, "OD time prediction") ![alt text](/here/5_HERE_model_calibration.png, "Model Calibration")
The relevancy of the interpolation is monitored
![alt text](/here/5_HERE_model_calibration.png)


### Mapmatching

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