Browsing by Subject "AIS"
Now showing items 1-5 of 5
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A comprehensive analysis and novel methods for on-purpose AIS switch-off detection
(2022-01-04)Maritime security, as well as monitoring of illegal and illicit activities such as smug- gling and Illegal, Unreported and Unregulated (or IUU) Fishing are reliant on Au- tomatic Identification System (AIS). As AIS is a ... -
Identifying Fishing Activities from AIS Data with Conditional Random Fields
(2016-12-13)Fishing activity detection is important for fishery management to maintain abundant oceans. The rising demand for fish and advanced fishing technologies has led to overfishing, species endangerment and marine habitat ... -
PASSIVE ACOUSTIC SHIP DETECTION PERFORMANCE NEAR THE PORT OF SEPT-ÎLES, QUEBEC, CANADA
(2022-11-15)An AMAR acoustic recorder was deployed near the Port of Sept-Îles, Quebec, Canada in the Fall of 2020 and collected one year of data. Vessels were detected using narrowband tonals. Sound pressure level (SPL) for each minute ... -
Predicting Catch-Per-Unit-Effort Using Semantic Trajectories and Machine Learning
(2020-04-20)This work presents a framework for the prediction of catch-per-unit-effort (CPUE)—an important index in the assessment of fisheries resource exploitation—using three data sources from the North Adriatic region: fishing ... -
TRACKING GLOBAL FISHERIES FROM SPACE: PATTERNS, PROBLEMS, AND PROTECTED AREAS
(2018-09-05)Fishing is one of the largest and most widespread ocean uses affecting marine ecosystems and biodiversity. From small-scale coastal vessels to industrialized high-seas fleets, the footprint of modern fisheries extends over ...