Intelligence Science I by Zhongzhi Shi Ben Goertzel & Jiali Feng

Author:Zhongzhi Shi, Ben Goertzel & Jiali Feng
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

2 Proposed Approach

In this section, we will introduce the method of transforming the loop detectors’ data to matrix and the basic theory of our CNN model.

2.1 Loop Detector Data Transformation

The traffic speed of elevated highway can be provided by the loop detectors deployed on the highway. In the time dimension, the loop detectors’ data range from 0:00 am to 12:00 pm. The time intervals are usually 5 min. On the elevated highway, each two loop detectors are deployed between 400 m. The loop detector data of elevated highway also can be converted to matrices by a similar method. We let x-axes represents time, and y-axes represents space. We arrange the loop detector data of elevated highway in the order of loop detectors’ position and time series to form a 2D matrix. Each row in the matrix denotes speed data in different time periods recorded from a same loop detector in the elevated highway. Each column in the matrix denotes speed data from different loop detectors at a same time period. The time-space traffic speed matrix can be represented as follow:

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