Disclosed herein is a vessel-mounted sensor acquisition apparatus including a coupler plate, an upper attachment portion, a sensor array portion, and a first winged pipe segment. The coupler plate includes a rotatable coupler and a rigid coupler. The upper attachment portion includes a first pipe…

Described are systems and techniques for road surveying. Information indicative of a sequence of target road sections each comprising one or more road segments can be used to configure a vehicle to perform a road survey by traveling each target road section of the sequence. Data acquisition can be…

Disclosed herein are systems and apparatuses for sonar acquisition using a towed platform (e.g., a towfish). A sonar acquisition towed platform apparatus can include one or more sidescan sonars coupled to a towed platform and a gyroscopic sensor array rigidly coupled to an outer surface of the…

A system for monitoring survey reflectors arranged at a plurality of locations on an object, having: The processing unit is configured to determine locations of the survey reflectors from the image sensor data and detect movement of the survey reflectors based on a comparison of the determined…

An observation unit () for underwater deployment on/in a submerged earth layer () or structure. The unit comprises a housing (), a light source (), an underwater imaging device (), a processor device (), and a communication device (). The housing supports the underwater observation unit relative to…

A camera monitors positions on an external object having a beacon ((), i=1, 2, . . . , I; ) attached to it. The apparatus has at least one image sensor (), an imaging optical element () for projecting light on the image sensor (), and a processing unit (). The imaging optical element () may be…