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Photogrammetry is a science of making a measurement from photographs. This method is using the parallax obtained between several pictures, taken from different points of view. Photogrammetry can be used to record complex 2D and 3D motion fields. It is imitating the stereoscopy of the binocular human vision, and it is actually used to get all the information of existing physical objects. Indeed, this process collects the data regarding the shape, the volume, and the depth of the subject that you are trying to scan. This is the method used to turn several pictures into an accurate 3D design. If we take a look back at the history of photogrammetry, we can see that the first experiments of projective geometry are not that new! Indeed, back in 1480, Leonardo Da Vinci was trying to determine the painter’s eye point from perspective painting.
Photogrammetry works by extracting the geometric information of a two-dimensional image. By combining a lot of pictures, you will be able to create a three-dimensional image. Photogrammetry is the process used to create the 3D scan of an object, using multiple images. Indeed, it is possible to make the 3D model of an object with several pictures of this object, ingeniously taken from different points of view, in order to get a complete representation of the object. For this, you don’t necessarily need to use a 3D scanner, a simple smartphone, a tablet or a good camera can be used, with good image stabilization!
Thanks to photogrammetry, and a series of complex algorithms, you will get a digital 3D model using multiple photos of the original real-world object thanks to a powerful reconstruction process. The more pictures you have, the more precise your 3D design will be. It is also possible to turn one picture into a 3D model, but obviously, you will not get an optimized result with only one picture.
3D scanning could be useful for various applications. It can be used to get a viable 3D model and make the most of the 3D printing technology using an online 3D printing service such as Sculpteo. But having a great 3D design is also an amazing tool for visualization.
Photogrammetry is useful for topographic mapping, architecture, engineering, or even geology! There are a lot of software tools dedicated to aerial photos, photogrammetry is really useful for geographical use. For instance, archeologists are also using it to create plans of complex and remote sites.
If you prefer to use a smartphone application, check out our blog post on how to 3D scan with a smartphone to see what are the different possibilities and the best programs to create a viable 3D scan.
We hope that you found the perfect photogrammetry software thanks to our selection. Are you already using photogrammetry software? Share your experience with us in the comments! Keep in mind that once your 3D design is ready, in the proper file format for 3D printers, you can upload your 3D file on our online 3D printing service and get your 3D printed object.
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