Comparison of visualization techniques on the basis of typical measurement systems.

<p>Comparison of visualization techniques on the basis of typical measurement systems.</p

Hopfield-RGB network mapping model.

<p>Hopfield-RGB network mapping model.</p

Visualization results of different types of deformation risk levels.

<p>Visualization results of different types of deformation risk levels.</p

Classification results of the three algorithms.

<p>Classification results of the three algorithms.</p

Comparison of the algorithms for pretreating the data.

<p>Comparison of the algorithms for pretreating the data.</p

Experimental result graphs of different types of risk levels.

<p>Experimental result graphs of different types of risk levels.</p

Ultrasonic omnidirectional sensor device.

<p>Ultrasonic omnidirectional sensor device.</p

Deformation monitoring data of the sensor node located at longitude (E90) and latitude (0).

<p>Deformation monitoring data of the sensor node located at longitude (E90) and latitude (0).</p

Output results of the BP neutral network.

<p>Output results of the BP neutral network.</p

Experiment setup for acquiring the deformation risk level.

<p>Experiment setup for acquiring the deformation risk level.</p