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Table 20 Anomalies leading to operational degradation and false alarms in VISTA

From: VISTA: achieving cumulative VIsion through energy efficient Silhouette recognition of mobile Targets through collAboration of visual sensor nodes

Number

Anomaly

Affected VISTA layer/function

False alarm

Compensation

1

Small bending curvature

Image capture sub-module

False alarm (-ve +ve)

Timer-based deactivation and

 

sudden stop acceleration/

  

using reverse link denotification,

 

deceleration of target

  

and using Carrefour cameras

    

to re-initiate MOD message

2

Packet loss/corruption

Sonar-sleeping module,

False alarm (+ve -ve)

Reliable communication using

 

(sleep schedule, time sync)

sonar-sensing module,

 

ACK, ReTx, and FEC

  

time synch module,

  
  

and image capture sub-module

  

3

Misalignment/dealignment

Image capture sub-module,

Frustum inconsistencies

Automated camera calibration

 

of cameras (art gallery

image change detection sub-module,

such as over laps and holes

by tallying recent tuple

 

problem)

and image subtraction sub-module

lead both to (-ve +ve) and (+ve -ve)

(octet, angle, surety)

    

similar to [40] to [41]