David Laserscanner 3.5 Crackl
Latia Shiels
DAVID Laserscanner is a software package for low-cost 3D laser scanning. It allows scanning and digitizing of three-dimensional objects using a camera (e.g. a web cam), a hand-held line laser (i.e. one that projects a line, not just a point), and two plain boards in the background. The software generates 3D data in real time and shows them on the computer screen while the laser line is swept over the object by hand (like a virtual brush). The line may be swept over the object multiple times, until the results are satisfactory.
An initial calibration is made to determine the lens parameters and location of the camera relative to the background boards, which are two vertical planes positioned at 90 degrees to one another behind the object to be scanned. When scanning, the camera must be able to see part of the laser line on each board. This enables the software to reconstruct the plane of the projected laser light. Once it has determined the two-dimensional plane that the line laser is projecting, it is able to analyse the image of the laser line falling on the scanned object and resolve it into points in space.
Development of DAVID Laserscanner started in September 2006 by German computer scientists Dr. Simon Winkelbach and Sven Molkenstruck, research associates of the Institute for Robotics and Process Control of the TU Braunschweig. The concept has been published as a research paper[1] and has received the Best Paper Award at the German Association for Pattern Recognition (DAGM) on September 14, 2006, in Berlin.
Objectives: The aim of this study was to compare the accuracy of measurements taken from plaster casts (gold standard) with digital models of those casts created with a low-cost structural light DAVID laser scanner.
Material and methods: Five different measurements were taken on each of 14 plaster casts by 2 independent observers with an electronic caliper. The measurements were repeated 10 times on all 14 plaster casts by each observer, with a 1-week interval between each set of measurements. All 14 plaster casts were digitized using a low-cost DAVID SLS 3 laser scanner. The same 5 measurements were performed on each of the 3D virtual surface models of the 14 plaster casts by 2 independent observers using Meshlab software in a manner similar to that used with the digital caliper. The measurements were repeated 10 times by the 2 observers with 1 week between each set of measurements.
Results: The laser-scanned models were more accurate than the plaster cast models in defining measurements based on simple tooth fissures. The accuracy of measurements based on complex tooth fissures were equivalent for the 2 types of model. For measurements based on interproximal dental contacts, the 2 methods of measurement were similar and both were notably poor in terms of accuracy.
Then I disassembled the Laser Edge, after getting annoyed with changing batteries, got a Mono plug from junk I keep, wired it to the Red and Black wires, and it's now only a question of pluging the thing to a Multi-Voltage Power Supply, and presto!
Allways bright laser light!
You got it all, so on to the first scan, mine were complete garbadge, either the objects had dark colours or a shiny surface, or the laser batteries loosed their juice, so I went and done the power plug, and picked a completely dull piece of Roofmate, and scanned it, perfection, for what it's worth, so here's the thing,
then here's the obj file it gave:
Hello. I don't know if you can help me or not but I am desparate so here we go.
I'm using david 4, 3d scanner. I'm using the image grabber function. I take pictures of the 48 projected patterns on the calibration panel and let david use them instead of the live view. Apparently it should work perfectly but I get very low scanning quality. The scanned image of the calibration board is missing large parts and has a very bad quality. What am I doing wrong here? I have attached a picture.
Thank you
From coin to furniture, everything is possible with the 3D scanner, because the modular design of the system allows an adaptation to the 3D object size. After some scans are made they will be merged in the software into a closed, waterproof all-round model by using the automatic function.
I've found many products selling structured light 3d scanners. However, I'm curious if exists a software only scanner. Since the "hardware" part is just 2 cameras and a projector, and I think that those can be pretty standard stuff (every modern projector has an HDMI port, most of the cameras can be automated I think), I thought there could be many competitors in the "software only" market. Then everyone can make his own based on the hardware he has already got.
I called HP support, got put on hold 6 times before I got someone who knew what a David 3D Scanner was and could help, they created me a ticket ID 5001619020 and gave me a tip: to reach team for supporting David scanners, input "envy curve" (HP curved screen all in one PC) into the product field as the same team supports it.
Hi, I am also having the above issue. We are a 3D scan studio operating David SLS-3, running David 5 software. We have misplaced our USB key and would like to inquire about a replacement, or workaround. Could you please help us? Consistent with the above message, when inputting a serial number through the automated website support ticket system, the serial number database is not updated with David scanners. Thank you in advance for your help. Nathan
DAVID-Laserscanner is a freeware software for 3D laser range scanning. All you need to build a 3D scanner is a PC, a camera (a Web cam), a background corner, and a hand-held laser that projects a line onto the object you want to scan. So everyone can use it to scan objects without high costs, this is the big advantage over commercial solutions which are rather expensive.
Woa more interest in the scanner! Haha I kind of thought the thread would die since I was having so many difficulties. I would love to combine forces. Mango I understood the google translate well enough to get the major points. I will attempt to avoid slang words and idioms that may not translate well. I like your ideas and would be happy to change the technique of the scanning to achieve a better product. It sounds like we have a lot to talk about.
What is your primary motive for creating the 3d scanner? I really wanted to give something back to the blender community and create a product that was cheap but fairly high quality. I do not think blender users should have to pay $200 to scan an object. I want to create something that everyone can use and that they can use pretty easily.
3-D modelling is maturing fast. Increasingly affordable solutions are not only raising general awareness of 3D workflows but revolutionizing design, engineering and manufacturing processes. The case in point is German-based David-laserscanner - a system that lets users turn everyday objects into 3D models at a low cost.
David-laserscanner currently offers two types of scanning units. The first uses a laser pen, (usually but not exclusively) a web camera, and a back board setup with known points on each facade. The points appear behind the object and are recognized by the software as part of the scanning process.
The video below from Tinkernut.com demonstrates how to build your own laser scanner and use the free software offered by David. In the example highlighted, the figure of a robot is captured using the free version of the software and additional processing is done in Blender - an open source 3D modelling package. More information on the latter, along with downloads of the modelling package, can be found at Blender.org.
Wow...My heart skipped a beat! I have seen scanners 30 x the price that would not stand a chance at getting this kind of detail. The David Lasserscanner 3.6 software is intuitive and easy to navigate. It takes you through the required workflow step by step. Hardware Setup, Calibration, Scanning, Alignment and finally Fusion where the model is stitched together into one complete object. The included colour manual takes you through each step of the way.
The hardware is quick and easy to set up, the only tricky thing is working out what the squiggly lines on the screen are. They are used to get the exposure right. No need to install any software as it runs off the USB dongle. All I needed to do was install the camera drivers and turn the project on. I have used other scanners before, the logic remains the same. The first stage of the set up is decide what size volume you want to capture with each shot. A good rule of thumb is to set it up the scanners so you can fit your entire object in a single shot. That way it is going to be easy to work around the object to capture is in it's entirety. If you need more detail, you can always go down to a smaller volume but you will need to take more shots to get a complete model. Here the scanner is set up and calibrated, ready for our lion test scan.
The David SLS-1 Structured Light 3D Scanning Kit by David Vision Systems (Germany) is truly a remarkable package. They have carefully composed the best cost to performance 3D scanning system on the market to date, without compromising on quality. The package is very complete and includes everything you need to start scanning. It has an upgraded camera and lens enabling double the resolution down to 40 microns (0.04mm) and is backed with a 2 year warranty. The system is versatile by being able to be calibrated to scan different volumes. It can scan details finer than can be seen by the naked eye up to the size of a lounge. It can even capture colour and map it onto your model. The included software is powerful, simple to use and has an intuitive workflow. There is a lot of smart technology working in the background of the David Lasserscanner Software. Complex algorithms work in background that analyse the captured information to reduce noise and eliminate erroneous data. Once sufficient views of an object have been captured, the software aligns each of the individual views by finding common features between them. It can even use captured colour information to assist in this automated alignment process. The Fusion command does a very neat job of stitching the model together into a complete watertight mesh ready for 3d printing, reverse engineering, analysis or exporting into other downstream applications.
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