Laser SLAM vs VSLAM vs Lidar: What’s the Difference?

Devices of all sorts rely on laser navigation systems. Three of the most popular, and well-regarded, laser navigation systems are Laser SLAM, VSLAM, and LiDAR. By reading through this guide, you will learn the differences between them. That way, you can figure out which one offes what you are looking for.

Laser SLAM vs VSLAM vs Lidar

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What Is Laser SLAM?

Laser SLAM is a laser-based navigation method that relies on a single, very important, process: pointing a laser at the various objects, items, and spaces that surround a particular device and using that laser to construct a map of the space.

Through the construction of such a map, the device that relies on Laser SLAM can then understand the space that it is working in. By understanding this space, a device can then operate within this space in a manner that allows for speed and efficiency, due to understanding what is in the space and how the space is divided.

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What Is VSLAM?

Just as the name implies, VSLAM is very similar to Laser Slam. To some extent, the two navigation methods are the exact same. But, that being said, there is one fundamental difference that VSLAM offers, when compared to Laser SLAM, and this difference is found in the “V” part of “VSLAM”.

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You see, the “V” in “VSLAM” stands for “Visual”. VSLAM relies on lasers, but it also relies on a camera. This camera, when used, allows a particular device to create visual images of a particular space. All of these images, when put together, allow for a space to be mapped – this includes the various objects and items within the space – which makes the space so much easier to navigate.

Even though VSLAM may sound better, it isn’t always great at measuring distances and angles, due to the limitations of certain cameras. For that reason, the measurements that Laser SLAM produces are often slightly more accurate, which can lead to better navigation. But, if you aren’t doing anything too important, the difference is often negligible.

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What Is LiDAR?

LiDAR is a laser-based navigation system that is paired with traditional SLAM technology. You won’t notice a significant difference between a LiDAR navigation system and a Laser SLAM system. But, that being said, there is a difference, and this difference may be notable for you.

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You see, LiDAR relies not just on lasers, but also an IMU – Inertial Measure Unit. With an Internal Measure Unit, the various angles and orientations of your device, and the objects and items that surround your device, are all measured. As a result of the IMU, the maps created by LiDAR are very detailed and elaborate, which allows for more efficient navigation.

Beyond that notable feature, most LiDAR systems use expensive, but effective, lasers that produce very quick and accurate measurements. More often than not, these measurements are created much faster than with a standard Laser SLAM system.

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LiDAR | Recommended

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Conclusion

In the end, Laser SLAM, VSLAM, and LiDAR are all fantastic navigation systems. Depending on what you are looking for, the accuracy that you require, and your budget, one of these systems is better for you than the others. You can use this guide to figure out which system that happens to be!

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