File:St. Alex's Church Костёл св. Алексея (50805036621).jpg

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Selets, Brest region. Belarus.

One more image of Selets Roman-Catholic church at the sunset. This time - a combined experiment of correcting the distortion introduced by the Peleng 8mm fisheye lens as well as creating an HDR image. The result is not ideal (which is expected, I guess, considering the amount of transformations), but is quite viewable :)

Algorithm: 1. Export 3 bracketed RAW photos from Darktable to 16 bit TIFF images with as low amount of processing as possible. 2. Import them as a single stack into Hugin, mark vertical lines on one of the images and establish control points between the images of the stack 3. Align the images, choose output projection, correct the position of the image 4. Export the transformed and cropped layers as TIFF files 5. Import the three images exported in the previous step into LuminanceHDR and assemble an HDR out of them, save it as an LDR image (I used a 16-bit tiff again) 6. Import the resulting TIFF into Darktable again, apply all the desired changes, export the image as JPG


Селец, Брестская область. Беларусь.


Ещё один снимок католического костёла в д. Селец на закате. На этот раз - эксперимент по одновременному корректированию дисторсии рыбьего глаза Пеленг 8 мм и создания HDR. Результат не идеален, чего, наверное, можно было ожидать, учитывая количество трансформаций, но, в целом, неплохой :)


Алгоритм: 1. Экспортировать из Darktable 3 брекетированных снимка в 16-битный TIFF файлы с минимальным количеством обработки. 2. Импортировать их как стопку в Hugin, отметить вертикальные линии на одной из фотографий и контрольные точки для совмещения - на всех снимках набора 3. Выровнять изображения, выбрать выходную проекцию, откорректировать положение изображения на сфере. 4. Экспортировать изменённые и обрезанные слои как TIFF файлы. 5. Импортировать файлы из предыдущего шага в Luminance HDR и собрать из них HDR, сохранить результат как LDR (я снова использовал 16-битный TIFF) 6. Импортировать результат в Darktable и применить необходимую обработку, экспортировать в JPG.


Luminance HDR 2.6.0

Tonemapping parameters: Operator: Mantiuk06 Parameters: Contrast Mapping factor: 0.12 Saturation Factor: 1.45 Detail Factor: 1.5


PreGamma: 1.1
Date
Source St. Alex's Church / Костёл св. Алексея
Author Boris Kukushkin from Minsk, Belarus
Camera location52° 34′ 59.45″ N, 24° 51′ 39.09″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
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This image was originally posted to Flickr by Boris Kukushkin at https://flickr.com/photos/50659792@N05/50805036621. It was reviewed on 14 October 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0.

14 October 2021

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current22:01, 14 October 2021Thumbnail for version as of 22:01, 14 October 20214,597 × 6,868 (11.6 MB)Чаховіч Уладзіслаў (talk | contribs)Transferred from Flickr via #flickr2commons

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