DETECTION OF SURVIVORS USING THERMO & NIGHT VISION SYSTEM (UNDER DEVELOPMENT) Zbigniew Burciu, Teresa Abramowicz-Gerigk, Piotr Michna, Leszek Smolarek, Jarosław Soliwoda, Andrzej Szklarski, Sebastian Ukleja Gdynia Maritime University – Poland Technologies for Search, Assistance and Rescue Le Quartz Brest, France Presented by Sebastian Ukleja

Detection of survivors using Thermo & Night Vision System Stage 1 – Thermo vision as a sensor Stage 2 – Designing a system Stage 3 – Trials at sea Stages of research

Detection of survivors using Thermo & Night Vision System 10 persons – 20 minutes later 4,4°C 10 persons – just after manning -3,2°C

Detection of survivors using Thermo & Night Vision System Distance: 0,5 nautical mile Distance: 0,6 nautical mile Trials at sea Trials at sea Life raft

Detection of survivors using Thermo & Night Vision System Searching during night time Searching during night time Thermo vision as a sensor for SAR action Improved detection Improved detection Life rafts with survivors or not Life rafts with survivors or not

Detection of survivors using Thermo & Night Vision System Phase 2 – Where to install? Phase 3 – Compensation of ship motion Phase 4 – Selecting parts of equipment Phase 5 – Automatic detection Phase 1 – System in outline Stage 2 – Designing a system

Detection of survivors using Thermo & Night Vision System Computer system for analysing images Sensors: thermo vision and night vision camera with stroboscope laser illuminator Special device to reduce effect of ship’s motion Special device to reduce effect of ship’s motion Monitor and control panel on the bridge Monitor and control panel on the bridge Phase 1 – System in outline

Detection of survivors using Thermo & Night Vision System Phase 2 – Where to install? Phase 3 – Compensation of ship motion Phase 4 – Selecting parts of equipment Phase 5 – Automatic detection Phase 1 – System in outline Stage 2 – Designing a system

Length: 56,34 m Breadth: 11,36 m Speed: 12 knots Built in Poland in year 2000 The prototype of our system was installed on m/s Horyzont II Phase 2 – Where to install? Detection of survivors using Thermo & Night Vision System

Phase 2 – Where to install? The best place to install: Maximize field of vision Maximize field of vision Reduce effect of temperature form funnel Reduce effect of temperature form funnel Reduce effect of ship’s motions Reduce effect of ship’s motions Detection of survivors using Thermo & Night Vision System

Phase 2 – Where to install? Point 3 Point 3 - smallest effect of ship motions

Detection of survivors using Thermo & Night Vision System Phase 2 – Where to install? Phase 3 – Compensation of ship motion Phase 4 – Selecting parts of equipment Phase 5 – Automatic detection Phase 1 – System in outline Stage 2 – Designing a system

Detection of survivors using Thermo & Night Vision System Phase 3 – Compensation of ship motion

Detection of survivors using Thermo & Night Vision System Scanning speed versus ship movement for δ = 3 0 for δ = 1 0 Calm sea

Detection of survivors using Thermo & Night Vision System δ = 3 0 δ = 1 0 Rough sea Scanning speed versus ship movement

Detection of survivors using Thermo & Night Vision System Phase 2 – Where to install? Phase 3 – Compensation of ship motion Phase 4 – Selecting parts of equipment Phase 5 – Automatic detection Phase 1 – System in outline Stage 2 – Designing a system

Detection of survivors using Thermo & Night Vision System Atmosphere Lens Matrix Camera Object Background Phase 4 – Selecting parts of equipment

Detection of survivors using Thermo & Night Vision System Phase 4 – Selecting parts of equipment  Т  (3  5)  С for uncovered human body  Т  (3  5)  С for uncovered human body Range 2 km - focal length about 300 mm. Range 2 km - focal length about 300 mm. We have chosen focal length 240 mm We have chosen focal length 240 mm RANGERANGE  Т [  С] [km] 2,27 km 1,82 km 0,76 km

Detection of survivors using Thermo & Night Vision System Phase 2 – Where to install? Phase 3 – Compensation of ship motion Phase 4 – Selecting parts of equipment Phase 5 – Automatic detection Phase 1 – System in outline Stage 2 – Designing a system

Detection of survivors using Thermo & Night Vision System Phase 5 – Automatic detection Integration of detection hits Extraction Program uses: Computer system for analyzing images CFAR processing (constant false-alarm rate )

Detection of survivors using Thermo & Night Vision System After CFAR 2 life rafts, distance  0,8 nautical mile, focal length = 100mm Phase 5 – Automatic detection

Detection of survivors using Thermo & Night Vision System 2 life rafts, distance  0,8 nautical mile, focal length = 100mm CFAR & integration Phase 5 – Automatic detection

Detection of survivors using Thermo & Night Vision System Distance 0,25 nautical mile Distance 0,25 nautical mile CFAR Phase 5 – Automatic detection

Detection of survivors using Thermo & Night Vision System CFAR&integration Distance 0,25 nautical mile Distance 0,25 nautical mile Phase 5 – Automatic detection

Stage 3 – Trials at sea Detection of survivors using Thermo & Night Vision System

Stage 3 – Trials at sea Detection of survivors using Thermo & Night Vision System

Search object – 25 life raft with 6 person in Helly-Hansen and RIB rescue boat as assistance DISTANCE 1,35 Nm Detection of survivors using Thermo & Night Vision System

Search object – 25 life raft with 6 person in Helly-Hansen and RIB rescue boat as assistance DISTANCE 2,22 Nm Detection of survivors using Thermo & Night Vision System

Search object – 25 life raft with 6 person in Helly-Hansen and RIB rescue boat as assistance DISTANCE 2,58 Nm Detection of survivors using Thermo & Night Vision System

Search object – 25 life raft with 6 person in Helly-Hansen and RIB rescue boat as assistance DISTANCE 2,76 Nm Detection of survivors using Thermo & Night Vision System

The movie...

Detection of survivors using Thermo & Night Vision System Bearing information Thermo vision Control panel Night vision

Conclusions: Detection of survivors using Thermo & Night Vision System Search during the night People in life raft Automatic detection Further work: Make final tests of automatic detection Determine sweep width and POD Determine effect of rain and fog Computer aided system for search object identification

Thank you for attention Detection of survivors using Thermo & Night Vision System

Sweep width Probability of Detection Detection of survivors using thermo-noktovision system