Search Results for: photogrammetry

My “self-built” photogrammetry rig

Posted on December 3, 2020 by Heinrich Mallison

There are a large number of companies out there selling a large number of different scanners employing all kinds of methods for 3D scanning. LIDAR scanners, structured light scanners, small laser scanners, mechanical arms with and without lasers attached, (semi-)automated … Continue reading →

Posted in Uncategorized | 1 Comment

Photogrammetry tutorial 13: How to handle a project in Reality Capture

Posted on April 29, 2020 by Heinrich Mallison

Well, this is a long overdue post, and I could have saved myself a lot of emailing if I’d written it earlier. Basically, it is a sibling, even a twin to my tutorial on how to handle a project in … Continue reading →

Posted in 3D modeling, How to, photogrammetry | 3 Comments

Photogrammetry tutorial 12: my workflow for Agisoft Metashape as a diagram

Posted on November 5, 2018 by Heinrich Mallison

EDIT 06/2022: added chart for using depth map based mesh generation. Updated other charts to new program name. The last tutorial on how to handle a project in Agisoft Metashape Pro describes all the steps I usually do in some … Continue reading →

Posted in Digitizing, How to, photogrammetry | 2 Comments

Photogrammetry tutorial 12: How to preserve strike and dip or cardinal directions in your 3D model

Posted on November 24, 2016 by Heinrich Mallison

Photogrammetry is a really nice and easy way of surface digitizing specimens in collections, but also useful in the field. Recently, Marie Attard, a colleague working in England, asked me to help with a project that deals with rock surface … Continue reading →

Posted in Digitizing, How to, photogrammetry | 3 Comments

Photogrammetry tutorial add-on: The consequences of optimizing a sparse point cloud

Posted on October 11, 2015 by Heinrich Mallison

If you build a photogrammetric model following the workflow I suggest in this post, one of the steps is optimizing the sparse point cloud (tie point cloud) via gradual selection and deletion of points. Here’s why that matters. Below you … Continue reading →

Posted in Dinosauria, How to, photogrammetry, Sauropoda, Sauropodomorpha, Tendaguru | 12 Comments

Photogrammetry tutorial 11: How to handle a project in Agisoft Metashape (Photoscan)

Posted on October 11, 2015 by Heinrich Mallison

EDIT June 3, 2022 Up to speed with the latest version of Metashape. Added mesh creation from depth maps. Also see Workflow Tutorial post here! /EDIT Over the course of the last few year decade and more I have helped … Continue reading →

Posted in Conferences, digiS, DigitalSpecimen 2014, Digitizing, How to, MfN Berlin, photogrammetry | 53 Comments

Photogrammetry tutorial 10: an improved method for mid-sized objects

Posted on May 11, 2015 by Heinrich Mallison

Last December I was granted a sack full of money by the Senatskanzlei Berlin for the 2015 digiS programme. I’ll soon post more about that; what matters for this post is that I promised to mass digitize the rather unwieldy … Continue reading →

Posted in 3D modeling, Digitizing, Dinosauria, Giraffatitan, How to, MfN Berlin, photogrammetry, Sauropoda, Sauropodomorpha | 10 Comments

Photogrammetry tutorial 9: Quick and dirty!

Posted on March 2, 2015 by Heinrich Mallison

Over the course of previous tutorials and in my paper with Oliver Wings I’ve given quite a bit of advice on how to photogrammetrize objects properly. Today, I’ll address the other end of the spectrum: how to approach photogrammetry unprepared … Continue reading →

Posted in AMNH, Digitizing, Dinopics, Dinosauria, How to, photogrammetry, Theropoda, Tyrannosauridae, Tyrannosaurus | 6 Comments

Photogrammetry tutorial 8: scaling “with hindsight”

Posted on February 28, 2015 by Heinrich Mallison

Recently, I mentioned in passing that I took some photographs of specimens at the AMNH in New York so that I could better scale models I had calculated from photographs taken during my previous visit. Here’s how that worked out, … Continue reading →

Posted in AMNH, Digitizing, Dinopics, Dinosaur models, Dinosauria, Khaan, Maniraptora, Oviraptorosauridae, photogrammetry, Theropoda | 8 Comments

Photogrammetry tutorial 7: multi-chunk project handling

Posted on October 9, 2014 by Heinrich Mallison

In palaeontology (and many other disciplines) you often deal with specimens that you wish to capture in what I term “720°” – all around (360° around it for the vertical axis), and bottom and top, too (360° around the transverse … Continue reading →

Posted in 3D modeling, Digitizing, Dinopics, Dinosauria, Giraffatitan, How to, MfN Berlin, photogrammetry, Sauropoda, Sauropodomorpha | 3 Comments

A more detailed take on Pinus macro photogrammetry

Posted on September 30, 2014 by Heinrich Mallison

Previously, I described a few photogrammetry tests I did with a macro lens, but I didn’t go into the technical details much. Some people have asked me how exactly I took the photos, so here’s the detailed description. First of … Continue reading →

Posted in 3D modeling, Digitizing, photogrammetry, photography, plants | 1 Comment

PHOTOGRAMMETRY IN PALEONTOLOGY – A PRACTICAL GUIDE

Posted on August 18, 2014 by Heinrich Mallison

While I was on holiday my latest paper finally went online. It is a joint effort with Oliver Wings that details some good approaches for photogrammetric 3D modelling specimens. You can find the PDF at this link. The web version … Continue reading →

Posted in 3D modeling, AMNH, Conferences, DigitalSpecimen 2014, Digitizing, Dinopics, Dinosaur models, How to, Khaan, Maniraptora, Open Access publishing, Oviraptorosauridae, papers, photogrammetry, photography, Theropoda | 5 Comments

Photogrammetry with a macro lens

Posted on July 20, 2014 by Heinrich Mallison

So far, most of my photogrammetry efforts have dealt with specimens in the several centimetre to meter range. Bones, skulls, entire skeletons. The smallest models I created were of ammonites – more on that currently on-hold project later – with … Continue reading →

Posted in 3D modeling, Conferences, DigitalSpecimen 2014, Digitizing, photogrammetry, photography, plants, raves | 11 Comments

Photogrammetry tutorial 6: building a model from the photos

Posted on May 2, 2014 by Heinrich Mallison

EDIT 12 May 2015: Please see this post for an update of some of the methods described below! Sometimes, a specimen is better dealt with without a turntable, even though it theoretically could go on one! We’ve been through the … Continue reading →

Posted in Digitizing, photogrammetry | 14 Comments

Photogrammetry tutorial 5: a little visual aid for you

Posted on April 11, 2014 by Heinrich Mallison

Here’s a little video I cooked up to show the turntable photography method I described in part 3 of this series. I do not wish to part with the dough to buy the video update for WordPress, so please find … Continue reading →

Posted in Digitizing, photogrammetry | 3 Comments