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The term ‘marine’ comes from the Latin mare, meaning sea or ocean, and marine habitats can be divided into two categories: coastal and open ocean. Video surveillance (VS) applications can cover both types of marine environment with system for ships, maritime ports, onshore and offshore installations, etc. We should want to further analyse VS for ships and try to explain the types of ships on which it can be used, the ways in which VS can be used on ships, the typical certifications in use and what features a camera station must have to be installed on a ship. Starting with ships that have a minimum tonnage, around the world we have: liquefied natural gas (LNG) tankers, passengers ships, chemical tankers, crude oil tankers, container ships, general cargo ships and bulk carriers.As the LNG market grows rapidly, the fleet of LNG carriers continues to experience tremendous growth, offering more opportunities for VS Video surveillance for all marine vessels An LNG carrier is a tank ship designed for transporting liquefied natural gas. As the LNG market grows rapidly, the fleet of LNG carriers continues to experience tremendous growth. A passenger ship is a merchant ship whose primary function is to carry passengers by sea. This category does not include cargo vessels which have accommodation for a limited number of passengers, but rather includes the likes of ferries, yachts, ocean liners and cruise ships. A chemical tanker is a type of tank ship designed to transport chemicals in bulk. These ships can also carry other types of sensitive cargo which require a high standard of tank cleaning, such as palm oil, vegetable oils, tallow, caustic soda and methanol. An oil tanker, also known as a petroleum tanker, is a merchant ship designed for the bulk transport of oil. There are two basic types of oil tankers: crude tankers and product tankers. Crude tankers move large quantities of unrefined crude oil from its point of extraction to refineries. Product tankers, generally much smaller, are designed to move refined products from refineries to points near consuming markets. Container ships are cargo ships that carry their entire load in truck-size intermodal containers: a technique called containerisation. They are a common means of commercial intermodal freight transport and now carry most seagoing non-bulk cargo. Today, about 90% of non-bulk cargo worldwide is transported by container. A cargo ship or freighter ship is any sort of ship or vessel that carries cargo, goods and materials from one port to another. Cargo ships are specially designed for the task, often being equipped with cranes and other mechanisms to load and unload, and come in all sizes. Bulk carriers make up 15%–17% of the world's merchant ships and they are specially designed to transport unpackaged bulk cargo such as grains, coal, ore and cement in its cargo holds. For all these ships the protection of vessels, cargo and crew is a priority, that’s why the adoption of VS technology plays a key part in terms of security and safety. Human error is regularly named as a major factor in ship accidents, and one way to avoid it is to aid seafarers by providing them with technology and equipment that is reliable and easy to use in all weather and sea conditions. Marine VS encompasses liquefied natural gas (LNG) tankers, passengers ships, chemical tankers, crude oil tankers, container ships, general cargo ships and bulk carriers Emergency security solutions on ship One of the most important applications for camera stations is during “docking”. Mooring is the securing or confining of a vessel in a particular location with a fixed or a floating object (jetty, pier, ship, barge, buoy, etc.) as various cargo operations are carried out. Docking is the final stage of mooring operations when the ship docks to the jetty. This is a very delicate operation and cameras are very helpful in making sure docking is done without accidents.'Man overboard’ is an emergency in which a person has fallen off a boat or ship into the water, and can happen at any time during the day or night Another important application for camera stations is the Man Overboard detection system (MOB). ‘Man overboard’ is an emergency in which a person has fallen off a boat or ship into the water. Man overboard events can happen at any time during the day or night, in all types of weather and sea conditions, and from almost any location on the ship, ranging from a few tens of feet above the water, to over 180 feet. When these events occur, the immediate availability of important data is crucial. Accurate confirmation of the event including time of occurrence, location on the ship and location in the sea is critical. A proactive detection system must immediately and accurately detect man overboard events and provide prompt, actionable data to response personnel. A typical man overboard detection system can report a MOB event in under 1 second. VS on a vessel can also monitor the engine room at all times and provide a good view of people working on dock, machinery and stowed equipment. But what are the most important features that a camera station must have to work in one of the most aggressive environments in nature? Marine surveillance must operate in one of the most harsh environments in nature Ruggedised reliability in surveillance First of all, and perhaps it’s obvious, but it’s extremely important to have camera stations with amazing reliability. Housing units manufactured from AISI 316L stainless steel, passivated and electropolished, makes the cameras completely impervious to air, water, rusting and corrosion, therefore offering excellent weather protection and increased reliability. Housing units manufactured from AISI 316L stainless steel, passivated and electropolished, makes the cameras completely impervious to air, water, rusting and corrosion Sometimes ships also use cameras constructed entirely from technopolymer, which guarantees high impact resistance and superior protection from external weather agents. Keeping the camera glass clean at all times is another essential feature, and it can be done via a wiper/wash system that greatly reduces the need for maintenance. In the case of PTZ cameras, the best option would be a great pan and tilt speed (up to 100°/s). What is the operative temperature range for the cameras? Sea is everywhere and therefore ships go everywhere, from the Arctic Ocean to the Mediterranean, so we need cameras that have to be fully operational across a wide temperature range. -40°C to +65°C covers almost all areas. Analogue or IP Cameras? Actually, both options can be used, especially for applications like docking where it’s important to avoid image delay (as can happen with IP cameras due to the natural latency of data communication over a network). Marine certifications Last but not least, the certifications: Certifications guarantee the quality and reliability of camera stations. There is no compromise! One important certification is the Lloyd’s Register Type Approval which subjects cameras to rigorous testing for performance, vibration (critical on ships), humidity, etc. The application field of the LR Type Approval is VS in public places (e.g. passenger ships), open decks, enclosed spaces that are subjected to heat generated from other equipment, and technical premises. Often, VS cameras used in specific areas of ships, such as hazardous areas, are required to have ATEX and IECEX certifications.
Standards for camera manufacturers presented a new challenge with the introduction of security cameras that require more than 30 Watts of power Standards for camera manufacturers presented a new challenge with the introduction of security cameras that require more than 30 Watts of power. Many of these involve pan-tilt-zoom (PTZ) domes and heaters and blowers that require additional power. This development created two areas of confusion which is highlighted in this article by Neil Heller - Vice President, Vigitron. The first is the ability to define what a 60-watt camera is and what power sources are actually required. The second and more serious is how to provide that power. Both share a commonality in that they lack any form of standardisation. PoE to power 60-watt security camera alone? Let’s start with the definition of the 60-watt camera. As the term suggests, it requires 60 watts or greater, but that doesn’t necessarily mean all the required power comes from a single PoE source. In many cases, camera manufacturers require that PoE only power the camera itself. Looking at these cameras’ power specifications will indicate a required PoE power of 802.3at or 30 watts, thus leaving power to the heaters and blowers requiring a local AC power source. This situation brings into question the value of PoE power if it is restricted to only providing camera power. Another group of PTZ cameras does use PoE for both camera and heater/blower functions, but only when the heater operates within a restricted temperature range. This usually means if your camera is installed in areas where the temperature that can fall below -20 degrees C (approximately -20 degrees F) you will still need a local power AC power source. The third type of security camera relies only on PoE power for both PTZ and heater blower operations. This is confusing, and is often the source of users finding their PTZ has failed at the most inopportune time. Any attempt to transmit 60 watt power over coax cable that is only a single pair should be considered with a great deal of caution, requesting from the transmission equipment provider that they will accept liability for any damages PoE for greater than 30 Watt applications The three different operations of how these “PoE” cameras are powered brings into question the value of using PoE for greater than 802.3at, 30 Watt applications. Value exists in the ability to centrally control power operations from a single accessible point. Certainly those cameras that are solely dependent upon PoE have the greatest advantage. This brings to the second point of confusion, the composition of the PoE power. To review a brief history, 802.3af (15.4) was the first PoE standard used for IP cameras and is for the most part a standard. 802.3at (30 Watts) was introduced as four different standards, two of which, Type 1 and Type 2 are supposed be compatible, but in reality are not. Transmission restriction over physical cables 60 watts has no standards. To understand this, we need to look at the limitations of transmitting power over physical cables. Any form of transmission over a physical media has limitations in the form of resistance. As resistance increases, so does the heat generated by this process. The higher the power, the greater the resistance and resulting heat generated. Based on CAT5e cable, a single wire can handle about 0.75 amps. In PoE transmission, power is transmitted on a pair of wires or 0.75amp X 2= 1.5amps. According to the 802.3at specifications, Class 4 specifications generally are considered to start around 48 volts. So we take 48 x 0.75= 36 watts or 72 watts for the pair. Dual PD (power device) system So how do we get to 60 watts? For “over” 30 watts, camera manufacturers use a dual PD (power device) system. In short, it operates as if it where two IP cameras and requires use of all four pairs within Cat cabling. Exceeding these power limits can be dangerous in overheating the cable and its installation. Therefore, any attempt to transmit 60 watt power over coax cable that is only a single pair should be considered with a great deal of caution, requesting from the transmission equipment provider that they will accept liability for any damages. The need to operate two PDs within a single camera is where the incompatibility exists. There are no standards as to the sequence of turning on separate PDs in a single camera The need to operate two PDs within a single camera is where the incompatibility exists. There are no standards as to the sequence of turning on separate PDs in a single camera. Most such camera manufacturers provide their own PoE source in the form of a PSE or camera power supply; however, don’t try to interchange these power sources among different cameras from different manufacturers as they will not work. If you attempt to use a third party version, make certain you confirm that the power source manufacturer has actually conducted certification testing and can provide proof of compatibility or provide any operational limitations. Distance of transmission Finally, there is the question of transmission distance. This takes us back to the physics of high-powered PoE transmission. Even with manufacturer-supplied PSEs, the distance limitation is still 328 feet (100m), the Ethernet standard. Most applications such as perimeter and parking lots will be hard pressed to find a power outlet within 328 feet of where the cameras needs to be installed. This is where third-party transmission equipment providers come into play, but again the ability of transmitting 60 watts PoE power for distances greater than 328 is more complex that standard 802.3af and 802.3at, and more limited. This combined with the non-standard make a detailed knowledge and interaction with the manufacturer critical to a successful installation.
ES Broadcast Hire, the company’s broadcast hire division, announces the purchase of a large quantity of Panasonic’s AW-UE150 and AW-HE130 PTZ cameras, for high-end 4K and Full-HD remote production across a range of verticals. The announcement coincides with the company’s ‘4K Fact or Fiction: A Live Production Showcase’ which took place on the 9th May. The Panasonic’s PTZ camera line-up has been recognised as an essential addition to ES Broadcast’s dry hire fleet, due to its position in the market. HDR recording capabilities Panasonic’s PTZ cameras are being readily used for a wide array of productions that range from fixed-rig observational documentaries and live event capture, as well as e-sports and live streaming applications. This has made it a popular choice for ES Broadcast, which aims to meet rising demands of this market. AW-UE150 is the flagship 4K model within the already-established integrated PTZ range The newly-released AW-UE150 is the flagship 4K model within the already-established integrated PTZ range, having demonstrated Panasonic’s commitment to HDR recording capabilities as the first PTZ capable of 4K at 50p, offering HLC.BT.2020 support. In addition, it offers the widest FOV of any remote camera on the market, with a unique crop-in function for pan and scan applications. Equally, Panasonic’s AW-HE130HD PTZ, is equipped with three ½.86-type MOS sensors and allows for high-grade filming in low light conditions, with a superior S/N ratio and high resolution. Landscape of PTZ filming Edward Saunders, Group CEO of ES Broadcast, said, “We have seen significant growth in PTZ markets through our sales activities, and the increase in uptake, coupled with the technological advances that allow PTZ cameras to hold their own in the emerging UHD landscape, meant this was the right time to add these cameras to our rental offering. The choice to use Panasonic was easy as they are the market leader in PTZs.” “The UE150 is set to change the landscape of PTZ filming with its cutting-edge image quality and high level of usability,” said Nigel Wilkes, Group Manager at Panasonic. “We are extremely excited to have both the AW-UE150 and AW-HE130 be a part of ES Broadcast Hire’s rental fleet, and look forward to seeing how our technology can support both existing markets and new uses.”
Panasonic has expanded the i-Pro Extreme series with six new compact models which feature Infra-Red (IR) illumination, to provide accurate colour footage both day and night. This makes the range suited to high end surveillance applications, where the reliability of evidence is paramount should incidents occur. The inbuilt colour night vision functionality improves the user’s ability to distinguish between shades of clothing and cars in extreme low light environments (minimum luminance required is 0.03 lux). Infrared LEDs enhance visibility in zero lux environments, making it easy to identify images of people and their movements in monochrome. Monitoring corridors and retail aisles Another benefit of the range is the visibility ensured by a wide-angle lens with a 109 degrees horizontal and 73 degrees vertical field of view. A special corridor mode means integrators will be able to provide 90 degrees by 270 degrees field of view to monitor locations that stretch in to the distance, such as corridors and retail aisles. Ease of installation is assured due to the compact housing across the range, which makes each camera suited to discrete use in a range of environments such as small stores, on cash machines or in elevators. The cameras are installed with microphones, which enables audio recording, even outdoors As with the previous models within the series, the six new cameras are installed with iA (Intelligent Auto), which automatically shoots the optimum footage regardless of the environmental conditions. The cameras are installed with microphones, which enables audio recording, even outdoors. 24/7 protection of property “One of the key steps to mitigating risks in surveillance is ensuring visibility whatever the conditions,” said Gerard Figols, European Category Manager at Panasonic. “When we combine the infrared and colour night vision technology alongside Intelligent Auto, we are arming businesses with the peace of mind that their property is being secured round the clock.” The range includes indoor and outdoor versions in both 1080p and 720p as well as two models which conform to in-vehicle standards, suitable for surveillance inside trains and buses.
Jumbo Ten Brink Food introduced the face server into their store environment in March 2017 after discovering that almost 80% of shoplifting took place via large shopping bags. Since then, Jumbo has installed 80 Panasonic cameras in-store, helping them to win the award. Previously recognised by the National Institute of Standards Technology (NIST) as the most accurate on the market, Panasonic’s face server uses deep learning technology which maximises the performance of the core engine to achieve accurate and reliable recognition. The technology identifies faces that are ordinarily difficult to recognise with conventional techniques, such as those taken from an angle of up to 45 degrees to the left or right or 30 degrees up or down. It also maintains a 90% accuracy rate when detecting faces that are partially hidden by sunglasses or face masks. With this improved accuracy, security protection is enhanced and the system allows matches even when images are 10 years old Enhanced security protection If people are caught stealing, their image remains on the database. The face server provides a real-time processing capacity of up to 20 cameras per server and can execute high-speed searches of up to 30,000 registered reference faces. With this improved accuracy, security protection is enhanced and the system allows matches even when images are 10 years old. “The moment that a known shoplifter attempts to re-enter the store, an internal alarm is triggered, and we can take the best suitable action,” explains Edwin ten Brink, founder of Jumbo Ten Brink Food stores. “Thanks to the Panasonic face matching server, Jumbo has been proclaimed the safest store in the Netherlands." Karen Sangha, Panasonic’s Security Solutions Regional Marketing Manager says, “We are pleased to see that our customers are winning awards as a result of implementing our technology. We firmly believe that our face server is industry-leading and Jumbo Ten Brink Food’s success is testament to that.”
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