Grass - Photogrammetry based Environment Texture

Another approach to capture grass surface and another FAIL. This time I focused on smaller area (180x180cm), picked really low one, used tripod to stabilise the camera, set the focal length to 35mm, took 110 super sharp and clean images, did enough of overlapping between images, processed everything carefully with Height Field projection but .. the result is still far away from what I wanted to get. Material is too noisy, has missing data gaps, height sucks, captured quality is not enough. Still got a few ideas but .. B2M or incoming Alchemist might be the best one :/. Btw. for reconstruction I used beta of Agisoft Metashape - its a new Photoscan :). So far it works exactly the same and does the job as expected. Installation removes old Photoscan so bear it in mind if you want to give it a try.

This is my photogrammetry workflow (more details at: https://www.artstation.com/artwork/K0PYG)

This is my photogrammetry workflow (more details at: https://www.artstation.com/artwork/K0PYG)

Source - I used tripod to stabilise the camera

Source - I used tripod to stabilise the camera

Source - surface details with scale references.

Source - surface details with scale references.

Reference image with Color Checker I used to calibrate albedo

Reference image with Color Checker I used to calibrate albedo

Camera positions and 67mln poly dense reconstruction in Agisoft ..Metashape this time :)  Reconstruction was based on 110 images

Camera positions and 67mln poly dense reconstruction in Agisoft ..Metashape this time :) Reconstruction was based on 110 images

Lowpoly coverage over highpoly in ZBrush

Lowpoly coverage over highpoly in ZBrush