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8,782 results for “Natural History”
Figures 12–20. Chileporter huemeri n. gen. and n in New genus and species of Yponomeutidae (Lepidoptera: Yponomeutoidea) associated with Maytenus boaria Molina (Celastraceae) from Chile, with descriptions of immature stages and natural history observations
Figures 12–20. Chileporter huemeri n. gen. and n. sp. 12–15. Adult female. Scale bar: 0.25 mm. 12) Female genitalia. 13) Ductus bursae. 14) Corpus bursae. 15) Signum. 16) Larva, dorsal view. Scale bar: 1.0 mm. 17–20. Larval structures. Scale bar: 0.20 mm. 17) Mandible. 18) Crochets. 19) Microprocesses on integument. 20) Antennae.
Figures 3–4 in Notes on the natural history of Enaphalodes archboldi Lingafelter and Chemsak, 2002 and E. bingkirki Lingafelter and Santos-Silva, 2018 (Coleoptera: Cerambycidae)
Figures 3–4. Signs of the workings of young larvae. 3) Crack in the bark where the larva circled the stem. 4) Subcortical gallery heading down the stem.
Figures 7–8 in Notes on the natural history of Enaphalodes archboldi Lingafelter and Chemsak, 2002 and E. bingkirki Lingafelter and Santos-Silva, 2018 (Coleoptera: Cerambycidae)
Figures 7–8. Expelled frass on the ground. 7) Severed stem next to a pile of frass. The bottom part is not apparent because it is covered by the frass and leaves. 8) Bottom part of the severed stem with regions of tightly packed granular frass. The red arrow points to the upper side of the stem.
Natural history specimens collected and/or identified and deposited.
Natural history specimen data collected and/or identified by Copas, Kyle, <a href="https://orcid.org/0000-0002-6590-599X">https://orcid.org/0000-0002-6590-599X</a>. Claims were made on Bloodhound, <a href="http://bloodhound-tracker.net">https://bloodhound-tracker.net</a> using specimen data from the Global Biodiversity Information Facility, <a href="https://gbif.org">https://gbif.org</a>.
Fig. 6.1. Shell digitised with different methods. The photogrammetry model was captured with a 100 in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 6.1. Shell digitised with different methods. The photogrammetry model was captured with a 100 mm Macro lens and processed with Agisoft Photoscan. The visual comparison of the mollusc shows a similar level of detail between photogrammetry and MechScan for the external surfaces, with still a bit more detail for the MechScan. The HDI Advance has a much lower resolution.
Fig. 5.6 in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 5.6. Decimation of a 3D model. The four parts show a 3D model in various degrees of reducing the amount of faces. In the left upper corner is the original and rotating clockwise are the models at 50%, 75% and 90% decimation. Until 75% there is hardly any difference noticeable, while at 90% the cracks become less deep and the faces become more visible.
Fig. 6.2 in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 6.2. Texture comparison between photogrammetry and MechScan (above) and an actual picture captured by a Canon 700D with 100 mm macro lens of the shell below.
Fig. 5.3 in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 5.3. Micro-contrast enhancement in DxO OpticsPro 11. A crop of the original image is on the left, one of the post-processed pictures on the right.
Fig. 5.4 in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 5.4. Micro-contrast enhancement in DxO OpticsPro 11. The original image is on the left, the postprocessed picture on the right. The post-processed picture looks more crisp and shows more details than the original one as the washed-out appearance has gone.
Fig. 6.14. Ishango rod. The left 3D model was acquired with a in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 6.14. Ishango rod. The left 3D model was acquired with a µCT many years ago. The middle one is scanned with the MechScan structured light scanner. The right one is the combination of both the µCT scan, the structured light scan and the texture of the photogrammetry model.
Fig. 5.1 in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 5.1. Relighting in DxO OpticsPro 11. The original image is on the left, the post-processed picture on the right. The underexposed image is now corrected without the need to take new images.
Fig. 4.9 in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 4.9. Pre-Columbian handle of an incense shovel from the Royal Museum of Art and History collections. UV fluorescence photogrammetry model. In this case, fluorescence enables to enhance the glue (fluorescing in green). https://sketchfab.com/models/2d82a98be64c48b89cada459b81bd0ab
Fig. 4.7 in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 4.7. Enhancing the legibility of a specimen. The picture on the left represents the specimen captured under white light, while the picture on the right displays the specimen under UV light. Part of the reflections is reduced under UV light allowing to display more contrasted structures.
Fig. 4.5 in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 4.5. Detail of the Halszkaraptor fossil from Mongolia. In white light on the left, in UV fluorescence on the right. The UV fluorescence image displays restorations of the fossils and treatment applied to preserve it.
Fig. 3.20. 3D in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 3.20. 3D model of a Dorylus ant (size: 1.5 cm) based upon focus stacked images, textured model is on the left, the view of only the mesh is on the right. The VCM option in Agisoft Photoscan is chosen to include small detail in the 3D model. The tibia spurs are clearly marked. https://sketchfab.com/models/da9aa414bfa64caabfe5c552368b16f0
Fig. 3.15 in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 3.15. Part of the Cognisys StackShot 3X Deluxe Kit, reassembled for the photogrammetry purpose. The two rotary tables are mounted perpendicular to each other, whereby rotary table A moves a steel angle with rotary table B fixed at the end.
Fig. 3.13 in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 3.13. Alnus japonica (2 cm long) scanned with DISC3D. A. EDOF-image. B. 3D-model (vcm) from 807 cameras. C. 3D-model from 398 cameras.
Fig. 3.37 in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 3.37. Excavation site scanned with the Gotcha infrared sensor. On the left is the site without texture, on the right with texture. The excavation site pictured measures approximately 4×4 m.
Fig. 3.10 in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 3.10. Photogrammetry model of a Costa Rican Sacrificing Warrior (800–1300 AD) in Basalt (RMAH collections). The possibility of viewing the model without the texture has improved the visibility of the belt markings. https://sketchfab.com/models/03a9c7c61cdf48c8845498d1a6b19a73
Fig. 3.9 in Handbook of best practice and standards for 2D+ and 3D imaging of natural history collections
Fig. 3.9. Example of photogrammetry model of Argonauta tuberculata https://sketchfab.com/models/daed659ee685452b91d8f8c91dff761b
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International Brain Laboratory public data
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OpenNeuro
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