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Until recently, LiDAR payloads were hardly affordable for SMEs due to their high cost. This is exactly where Quantum-Systems and YellowScan come in and offer a geomatics grade LiDAR scanner integrated into the payload compartment of the Trinity F90+ drone including software package without having to compromise on data quality
The Qube 240 LiDAR sensor inherits the YellowScan Ultra Surveyor LiDAR scanner. This was the first integration into our Tron UAS platform in 2017. Advances in miniaturization and performance improvements across the board now increased range and accuracy with a significantly smaller form factor. This is impressively reflected in the cost reduction of over 50% for the overall system.
If Apple has its way, lidar is a term you'll keep hearing. It's already a factor in AR headsets and in cars. Do you need it Maybe not. Let's break down what we know, what Apple is using it for, and where the technology could go next. And if you're curious what it does right now, I've spent hands-on time with the tech, too.
Lidar is a type of time-of-flight camera. Some other smartphones measure depth with a single light pulse, whereas a smartphone with this type of lidar tech sends waves of light pulses out in a spray of infrared dots and can measure each one with its sensor, creating a field of points that map out distances and can \"mesh\" the dimensions of a space and the objects in it. The light pulses are invisible to the human eye, but you could see them with a night vision camera.
It is, but with longer range. The idea's the same: Apple's Face ID-enabling TrueDepth camera also shoots out an array of infrared lasers, but can only work up to a few feet away. The rear lidar sensors on the iPad Pro and iPhone 12 Pro work at a range of up to 5 meters.
Lidar is a tech that's sprouting up everywhere. It's used for self-driving cars, or assisted driving. It's used for robotics and drones. Augmented reality headsets like the HoloLens 2 have similar tech, mapping out room spaces before layering 3D virtual objects into them. There's even a VR headset with lidar. But it also has a pretty long history.
Microsoft's old depth-sensing Xbox accessory, the Kinect, was a camera that had infrared depth-scanning, too. In fact, PrimeSense, the company that helped make the Kinect tech, was acquired by Apple in 2013. Now, we have Apple's face-scanning TrueDepth and rear lidar camera sensors.
Time-of-flight cameras on smartphones tend to be used to improve focus accuracy and speed, and the iPhone 12 Pro did the same. Apple promises better low-light focus, up to six times faster in low-light conditions. The lidar depth-sensing is also used to improve night portrait mode effects. So far, it makes an impact: read our review of the iPhone 12 Pro Max for more. With the iPhone 13 Pro, it's a similar story: the lidar tech is the same, even if the camera technology is improved.
Lidar allows the iPhone and iPad Pros to start AR apps a lot more quickly, and build a fast map of a room to add more detail. A lot of Apple's core AR tech takes advantage of lidar to hide virtual objects behind real ones (called occlusion), and place virtual objects within more complicated room mappings, like on a table or chair.
I've been testing it out on an Apple Arcade game, Hot Lava, which already uses lidar to scan a room and all its obstacles. I was able to place virtual objects on stairs, and have things hide behind real-life objects in the room. Expect a lot more AR apps that will start adding lidar support like this for richer experiences.
Those 3D maps are being built now with special scanners and equipment, almost like the world-scanning version of those Google Maps cars. But there's a possibility that people's own devices could eventually help crowdsource that info, or add extra on-the-fly data. Again, AR headsets like Magic Leap and HoloLens already prescan your environment before layering things into it, and Apple's lidar-equipped AR tech works the same way. In that sense, the iPhone 12 and 13 Pro and iPad Pro are like AR headsets without the headset part... and could pave the way for Apple's first VR/AR headset, expected either this or next. For an example of how this would work, look to the high-end Varjo XR-3 headset, which uses lidar for mixed reality.
Lidar can be used to mesh out 3D objects and rooms and layer photo imagery on top, a technique called photogrammetry. That could be the next wave of capture tech for practical uses like home improvement, or even social media and journalism. The ability to capture 3D data and share that info with others could open up these lidar-equipped phones and tablets to be 3D-content capture tools. Lidar could also be used without the camera element to acquire measurements for objects and spaces.
I've already tried a few early lidar-enabled 3D scanning apps on the iPhone 12 Pro with mixed success (3D Scanner App, Lidar Scanner and Record3D), but they can be used to scan objects or map out rooms with surprising speed. The 16-foot effective range of lidar's scanning is enough to reach across most rooms in my house, but in bigger outdoor spaces it takes more moving around. Again, Apple's front-facing TrueDepth camera already does similar things at closer range. Over time, it'll be interesting to see if Apple ends up putting 3D scanning features into its own camera apps, putting the tech more front-and-center. For now, 3D scanning is getting better, but remains a more niche feature for most people.
Google had this same idea in mind when Project Tango -- an early AR platform that was only on two phones -- was created. The advanced camera array also had infrared sensors and could map out rooms, creating 3D scans and depth maps for AR and for measuring indoor spaces. Google's Tango-equipped phones were short-lived, replaced by computer vision algorithms that have done estimated depth sensing on cameras without needing the same hardware. This time, however, lidar is already finding its way into cars, AR headsets, robotics, and much more.
Lidar data collected using NOAA survey aircraft reveals a top-down and side view of Loggerhead Key Lighthouse, Dry Tortugas, Florida. NOAA scientists use lidar-generated products to examine both natural and manmade environments. Lidar data supports activities such as inundation and storm surge modeling, hydrodynamic modeling, shoreline mapping, emergency response, hydrographic surveying, and coastal vulnerability analysis.
A lidar instrument principally consists of a laser, a scanner, and a specialized GPS receiver. Airplanes and helicopters are the most commonly used platforms for acquiring lidar data over broad areas. Two types of lidar are topographic and bathymetric. Topographic lidar typically uses a near-infrared laser to map the land, while bathymetric lidar uses water-penetrating green light to also measure seafloor and riverbed elevations.
Lidar systems allow scientists and mapping professionals to examine both natural and manmade environments with accuracy, precision, and flexibility. NOAA scientists are using lidar to produce more accurate shoreline maps, make digital elevation models for use in geographic information systems, to assist in emergency response operations, and in many other applications.
Terrestrial laser scanning (TLS) is a form of 3D scanning in which tripod-mounted laser scanners are used to capture large objects and environments. The technique is widely used in construction, surveying, forestry, and other disciplines.
Depending on their range, speed, and features, terrestrial laser scanners generally cost between $20,000 and $100,000. Most are bundled with dedicated software packages that allow the user to process the scanned data for specific use cases.
The Trimble X7 is a high-speed laser scanner offering automatic calibration, self-leveling, and automatic registration Californian company Trimble provides a two-year warranty for the X7, which is greater than the industry standard.
The Maptek SR3 is a terrestrial laser scanner designed for underground surveying and mapping. Its 600-meter range is long by most standards, but still makes it the shortest-range scanner in the Maptek R3 series.
Maptek designed the SR3 to be smaller, lighter, and faster than previous models. The scanner also offers IP65 protection, keeping out dust and debris when scanning voids, drives, and tunnels underground.
Artec, based in Luxembourg and well-known for producing some of the best handheld 3D scanners, recommends the Ray 3D laser scanner for applications like reverse engineering, inspection, and construction, on objects like buildings, propellers, vehicles, and turbines.
The high-accuracy scanner is lightweight, compact, and portable, and works in conjunction with the popular Artec Studio software suite. Computer-free scanning is made possible using the Artec Remote app.
The terrestrial laser scanner boasts features like an integrated high-resolution camera, inclinometers, a compass, a GPS receiver, and weather-proof housing. The Polaris HD model offers the highest scanning speeds in the Polaris series.
Equipped with an integrated HDR camera, internal lighting, and a dedicated positioning system, the IP54-rated scanner has a maximum range of 360 meters and returns accurate results even at long distances.
This Austrian-made long-range scanner uses dual processing platforms: one for simultaneous acquisition of scan/image data, waveform processing, and system operations; another for automatic on-board registration, geo-referencing, and analysis.
The scanner must be moved and set up at different static locations in order to collect scan data from multiple angles. To obtain an accurate 3D scan of a building, for example, you need to scan it from more than one side.
Short-range terrestrial laser scanners may be used to capture targets like building facades, crash sites, crime scenes, and minor construction sites. They should not necessarily be considered entry-level scanners, since their accuracy and speed may be greater than long-range models. 59ce067264