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About Deviant Official Beta Tester DavidMale/United Kingdom Groups :iconinfrared-club: Infrared-Club
Extra-Visible Imaging
Recent Activity
Deviant for 8 Years
40 Month Core Membership
Statistics 4,087 Deviations 63,177 Comments 155,359 Pageviews

Newest Deviations

Dream Smooth - Drumlanrig Castle by Okavanga Dream Smooth - Drumlanrig Castle :iconokavanga:Okavanga 45 17 Dream Smooth - RoyalNatal View by Okavanga Dream Smooth - RoyalNatal View :iconokavanga:Okavanga 100 32 Dream Smooth - Kew Vista by Okavanga Dream Smooth - Kew Vista :iconokavanga:Okavanga 49 17 Dream Smooth - River Stour by Okavanga Dream Smooth - River Stour :iconokavanga:Okavanga 43 6 Dream Smooth - River Stour Lily Pond by Okavanga Dream Smooth - River Stour Lily Pond :iconokavanga:Okavanga 65 17 Dream Smooth - Forest Walk by Okavanga Dream Smooth - Forest Walk :iconokavanga:Okavanga 37 15 Dream Smooth - River Stour Swan by Okavanga Dream Smooth - River Stour Swan :iconokavanga:Okavanga 27 9 Dream Smooth - Country Garden by Okavanga Dream Smooth - Country Garden :iconokavanga:Okavanga 51 17 Just for Fun - Scratches by Okavanga Just for Fun - Scratches :iconokavanga:Okavanga 22 8 Just for Fun - Sparkle by Okavanga Just for Fun - Sparkle :iconokavanga:Okavanga 17 4 Just for Fun - Constellation by Okavanga Just for Fun - Constellation :iconokavanga:Okavanga 14 4 Just for Fun - GSparks by Okavanga Just for Fun - GSparks :iconokavanga:Okavanga 7 0 Just for Fun - Olympic by Okavanga Just for Fun - Olympic :iconokavanga:Okavanga 11 2 Just for Fun - Metallic Wilbur by Okavanga Just for Fun - Metallic Wilbur :iconokavanga:Okavanga 9 8 Just for Fun - WilburBlur by Okavanga Just for Fun - WilburBlur :iconokavanga:Okavanga 8 0 Basic Shape with Further Blurring and Gradient App by Okavanga Basic Shape with Further Blurring and Gradient App :iconokavanga:Okavanga 6 0

Random from MikeLoveridge

171215 FridayWalkies 4747DxO by mikeloveridge 171215 FridayWalkies 4747DxO :iconmikeloveridge:mikeloveridge 4 1 decWaterlily by mikeloveridge decWaterlily :iconmikeloveridge:mikeloveridge 5 5 MitchellParkUrns by mikeloveridge MitchellParkUrns :iconmikeloveridge:mikeloveridge 4 1 MonoUrns by mikeloveridge MonoUrns :iconmikeloveridge:mikeloveridge 2 1 RetiredGoneHome by mikeloveridge RetiredGoneHome :iconmikeloveridge:mikeloveridge 2 0 Michael Jackson has left the building by mikeloveridge Michael Jackson has left the building :iconmikeloveridge:mikeloveridge 2 0 Sunday-arum by mikeloveridge Sunday-arum :iconmikeloveridge:mikeloveridge 2 1 Tuesday-arum by mikeloveridge Tuesday-arum :iconmikeloveridge:mikeloveridge 4 1 theContinuingSagaofaDyingArum by mikeloveridge theContinuingSagaofaDyingArum :iconmikeloveridge:mikeloveridge 2 1 WhenArumsGetOld by mikeloveridge WhenArumsGetOld :iconmikeloveridge:mikeloveridge 2 1 OctoberArums by mikeloveridge OctoberArums :iconmikeloveridge:mikeloveridge 3 1 Purple-wall-in-mono by mikeloveridge Purple-wall-in-mono :iconmikeloveridge:mikeloveridge 13 2 MitchellParkAlFresco by mikeloveridge MitchellParkAlFresco :iconmikeloveridge:mikeloveridge 1 5 BlueLagoonWave by mikeloveridge BlueLagoonWave :iconmikeloveridge:mikeloveridge 5 3 GoingUp by mikeloveridge GoingUp :iconmikeloveridge:mikeloveridge 2 1 TreeTextures by mikeloveridge TreeTextures :iconmikeloveridge:mikeloveridge 4 0

Some Recent Journals Mentioning My Work

SuperGroup Feature - OkavangaHi everyone! Hi!
I have been a bit behind in posting this SuperGroup feature journals.
This past couple of weeks I was studying for two exams. In search for answers 
One of which covered material from this past (and final) semester over the summer.
And the other one, big exam, covering 3 years worth of nursing information.
But! The good news is that earlier today I got my results back! :omgomg: 
Annddd... I can officially call myself a Registered Nurse! :nurse: v2
With that being said, for this week we will be featuring Okavanga!

Tom 6 by OkavangaSquiggles by Okavanga
Fav Feature vol 69Hello!
It's time for a new issue of Fav Feature - a feature of subjective favorites from past couple weeks Dancing :la:

That Summertime Feeling by mybuttercupart
Australian Wreath by oxpeckerToucan by KandusJohnson
Have a lovely day! :love: 

Summer RainI love rain 
on a hot summers days
to freshen things up
and keep everything green



 Walking in the Rain by Quantum-Artist
 Dance within your mind by dashakern
 SAD by calincio Rainy day by ARiA-Illustration 
Nice rainy day with Edrac by CardeApp
Struck By Lightning by stefangrosjean Unbidden Solitude by Dreamfollower <
DA's Chronicle - March 2017At the middle of each month, we will honour one journalist, that has been suggested by fellow deviants, to be highlighted in DA's Chronicle.
Born out of the idea to give journal features a DD and to award journalists who created their journals themselves with their own ideas, texts, art, this monthly journal will focus on this special kind of artists:

DA's Chronicle
Appreciating Journalists


"Okavanga usually invites his readers to beautiful African Safari trips with breath-taking photographies. Apart from these he designs interesting tutorials, made in his surroundings of gorgeous Scottish landscape and at the bottom of this journal the reader will meet "The KIng, HR

bright and colourful III 
A small selection from my "Photography" favourites!

Meditative by Althytrion        Daylily Trio by MYPeanutGallery       
Leguan by UdoChristmann               

Emotes etc

:iconppthumbs-upplz: :iconplaywithfireplz::iconsomcatplz: :iconkittysnuggleplz:
I love Maine Coons by WishmasterAlchemist:iconspeedycatplz:
:iconflyingheartsplz::iconfrostymorningbliss::iconevillaughterplz: :EVILlaughter!: :iconheadtableplz: :iconlazydanceplz: :iconbiglaughplz: :iconmojamoja1plz: :iconikillitplz: :iconpandaballoonplz: :iconcheers2plz: :icondancenaoplz: :icontailzplz: :iconthumbplz:
:iconzafiro-ryuichi: :iconslendydansenplz: :iconcatblink-plz: :iconappleblossomplz: :iconheadbang!plz: :iconpbheaven: :iconhappykitty-plz: :iconrockonplz:
:#1: :iconno1plz: :iconstickmanscratchplz: :iconokuwonplz: :iconsprintplz: :iconfairiesplz: :iconwoohooooo!plz: :iconzebraplz: :iconflyingcatplz: :iconkittyglompplz::iconhappykittyplz: :icondancingdollplz: :iconsunflower-plz: :icontoothfairyplz: :iconflower4u--plz: :iconthankyouflowerplz: :iconhugcouponplz: :iconcatsmileplz: :iconcolorheartsplz: :iconubernodplz: :iconamiamilulu: :iconrinzlerbreakdanceplz: :iconautumncolorplz: :icongreatcommenta::icongreatcommentb: :iconwhitedancingflower: whitedancingflower.deviantart.…
:iconcocoglompplz: :iconlovebottleplz: :iconballoonplz: :iconballoonsplz2: :iconwineplz: :party: :I'monfire!: :Hi: :slow: :iconawedanceplz: :iconawedance2plz::iconsqueeeplz: :iconcakeplz: ::iconcakeplx: :iconflowerheartplz: :iconnaughtygrandmaplz: :iconmagrat90: :iconcuteflowerplz: :sheepish: :iconwelcomesignplz: :iconroseplz::iconmyheartplz: :rose: :iconmonkeydanceplz::iconarrioch: :iconnoctuline: :iconaheartforyou: :iconlittle-cats: :iconcatdanceplz: :iconcutecatplz: :icontsovaplz: :icongiftplz: :Mwahahahahahahaha!::relax: :iOMG MOAR POEMS: :iconWoohooooo!:
:iconnoproblemsignplz: :iconnoproblemplz: :iconraindanceplz: :iconflamingplz: :iconyeehawplz: :iconsohappyplz:
:iconpinksantaplz: :iconsnowman-plz::iconxmaslaplz: :iconchristmasla:
:icontree-christmas-plz: :iconseasonsgreetplz: :iconsantaclause: :iconredsparklesplz:
:iconhere'sakissforyoumyloveplz: :iconyourwelcomeplz::iconyourwelcomeplz2::iconyourwelcomeplz3:
:iconwelcome-one::iconwelcome-two::iconwelcome-three::iconwelcome-four: :iconmaroniu7::iconmaroniu8:



Okavanga Feature Jump Links

Body text here..

Visible to my watchers only. <--You can edit it!
Body text here..



Commander Luminaire commanderluminaire.deviantart.…


Watchers Collection ==>…

R72 Gallery ==>…

Brian ==>

Tandem Features Chatroom ==>…

Google Search for Images Video ==>…
DA Active Poll ==> da-poll-participants.deviantar…

DD Stuff - guide ==>…
DDWhores ==> dailydeviationwhores.deviantar…


PLZ accounts…

PLZ Catalog

PLZ info from feigenfrucht

CSS etc Sedma

CSS etc Ginkgografix

CSS site ecssited

The Gimp




search terms


wikipedia entry… A MUST READ, especially the history!!!

deviantArt web analysis… analysis…

web stats…

Group Management Tutorial

Another Manage Members Tut…

Global Setting ref -…


Group 101

Club Maintenance

Page Layout Tutorial

Bryce Info and Tuts

Horo re Bryce…

Dimiter Tutorials re Bryce…

Conceptualize3D re Bryce

Riddler Bryce Tutorial…

GR3Z tutorials re Bryce

**** Bryce satins…



INFRARED STUFF Compiled from my researches and those of Colinbm1

*** Sigma adapter…

*** Advanced Camera Services…
***MaxMax re conversions and data
*** Sigma SD1 and SD15 IR…

*** LifePixel - conversions and filters…

Flickr Digital Infrared Group…

Flickr Digital Infrared Group Catalogue of Techniques by Oldoinyo…

Canon EOS 350D IR Conversion and Spectral Response Curves…

A "must read" by Bjorn Rorslett IR/UV link…

digital photography for what its worth

Canon camera profiling using Lightroom (adaptable to most other photo-editing software) -…

Enrico Savazzi - another "must read"…

Hoya Optics Technical Data -…

Infrared Atelier

David Twede Surreal Colour


Foveon Sensor Papers…

Pulse (?) Infrared…

Camera conversions and other stuff - good

IR Spectral Response paper -

Sigma Camera Info

adaptor M42…

swapping tele converter ends…?

tele converter…

The Young Ones - Arwen by Okavanga The Young Ones - Big Ears by Okavanga…

Dream Smoothing

Journal Entry: Sat Jan 12, 2019, 5:01 AM
My cameras, lenses and ancillary equipment are all still in storage in Scotland, pending our move to the new home, sometime in March or April perhaps. Meanwhile, I continue my updates and explorations of editing software, particularly The Gimp,, along with the very powerful add-on known as the G'MIC filter suite, Taken together, the Gimp and G'MIC provide an enormous image editing resource and all of it free. In this feature, I am going to explore one filter found in G'MIC called Dream Smoothing. If you have the G'MIC add-on installed on the Gimp, Dream Smoothing is found in the Artistic sub category. It is said by the Gimp and G'MIC community to be a popular filter and has been included in the suite since about 2014. As with so many of G'MIC filters detailed information of how to use it is sparse, but in the following examples I have used the filter mainly with its default settings. The one parameter that I have varied is called "iterations" and I have used 3 (the default) or 6, the latter giving more smoothing.

Smoothing filters have been around since the year dot in photo-editing software, originally intended to help remove noise and artefacts, but then establishing themselves as a means of adding artistic flavours to an image. Inevitably, smoothing filters cause a loss of sharpness, but artistically the idea is that neighbouring colours become blended to pleasing effect. Filters that purport to give oil or water painting effects rely on smoothing algorithms. Often, however, such filters give unconvincing images, although dedicated art work software can give very impressive results. Having now worked with Dream Smooth for several days on many images, I would say that it is the best filter within photo-editing software I have come across for adding a painterly look to an image and a filter that adds a surreal quality to the output. I'm not going to try to explain how the filter works, such being beyond my maths level, except to say that it uses an anisotropic approach - so there!

Here are some examples, the first three being presented alongside the original photograph.

             Drumlanrig Castle by Okavanga      Dream Smooth - Drumlanrig Castle by Okavanga

             Lake Reflections, Royal Natal National Park by Okavanga      Dream Smooth - RoyalNatal View by Okavanga

             Kew Gardens - Treescape 1 by Okavanga       Dream Smooth - Kew Vista by Okavanga

With the Drumlanrig Castle shot you may have to look twice to see the effect as Dream Smooth has its most pronounced effect on image features that are of intermediate size, so that skies and clouds where there is little local change in contrast are hardly affected and neither are the gross or global structures such as the building itself. Sharp edges also remain more or less intact. But, those intermediate objects where there is some contrast or sharp colour change are smoothed. Zoom in to look at the stone work to see what has happened. In the Royal Natal image, the same scale effect is seen, the global features remain essentially intact while the more detailed feature have been smoothed. There is also a tonal change overall, the smoothed image looks much lighter. Of course, there is nothing to stop the user adjusting such with the Curves tool.  In addition, to my eye, there is a considerable painterly feel and those trees on the right have a surreal look to them. The Kew Garden photograph is similarly transformed. Overall, much (most?) of the photographic appearance of the image is retained, but the  smoothing that affects the intermediate scaled objects gives a subtle artistic feel.

The following images are presented without the originals.

               Dream Smooth - River Stour by Okavanga       Dream Smooth - River Stour Lily Pond by Okavanga

              Dream Smooth - River Stour Swan by Okavanga        Dream Smooth - Forest Walk by Okavanga

Dream Smooth - Country Garden by Okavanga

Whether you "like" such images that have been filtered in this way is a matter of taste, but to my mind the Dream Smooth filter does give a pleasing painterly and surreal effect compared to some more basic smoothing filters in commonly used editing software. The Gimp and the G'MIC suite are a bit daunting at first for anyone not used to exploring filter effects, but the rewards can be great. As always I am happy to help anyone who needs advice on how to access and use these tools.


David aka Okavanga :iconokavanga:

This Journal Skin was designed by Night-Beast modified by Okavanga


United Kingdom
Scientist, scholar, philosopher, writer, photographer, traveller, sportsman, oenophile, whisky drinker, beer imbiber, cat lover, art historian, walker, driver, reader, computer geek, TV watcher, music listener, photo editor, Web contributor, enjoyer of good food, expert witness, industrial consultant, legal advisor, problem solver, analyst, chemist, information retrieval expert, sometime rider, runner, keep-fit addict, hypocrisy hater, politician loather, altogether - a devious deviant.

Check Out my Portfolio ==>

Journal History


Okavanga has started a donation pool!
1,633 / 5,000
I have opened this donation pool for contributions to maintain the Super Group status of the Infrared-Club (Extra-Visible Imaging). Any amount of points would be much appreciated. In return you will receive a mention on the Group's Home Page, on this page, and faves of your work to be displayed on this page. Extra large donations will receive a feature on the Group's Home Page.

Many Thanks


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:iconextra-visible-images: :iconnon-real: :iconartworldtoday: :iconinfrared-club:


Locations of Site Visitors


Mar 24, 2019
3:31 pm
Mar 24, 2019
12:12 pm
Mar 23, 2019
3:02 pm
Mar 23, 2019
8:15 am
Mar 23, 2019
4:40 am

The Cats' Box

Custom Box Trouble Shooting by gasara ==>…

Pretty-Up-Your-Profile by gasara ==>…

He's Back - 5 by Okavanga The Young Ones - Arwen by Okavanga Ladder of Success 2 by Okavanga Ladder of Success 3 by Okavanga Who Are You Looking At? by Okavanga Cats in Action 7 by Okavanga Arwen Birthday 2 by Okavanga Cats in Action 1 by Okavanga

:iconokavanga: Okavanga


Add a Comment:
LewiARTs Featured By Owner 2 days ago  Hobbyist Photographer
Thanks for all, David! :bow:
Okavanga Featured By Owner 1 day ago
Sparkle-Photography Featured By Owner 4 days ago  Hobbyist Photographer
Thanks for the :+fav:. :) :heart:
Okavanga Featured By Owner 3 days ago
No probs.
thewolfcreek Featured By Owner Mar 6, 2019  Hobbyist Photographer
Thank you very much for the favs David...
Okavanga Featured By Owner Mar 7, 2019
My pleasure.
Placi1 Featured By Owner Mar 6, 2019
Thank you very much for all the faves, David!:) (Smile) 

Okavanga Featured By Owner Mar 6, 2019
No probs.
Earth-Hart Featured By Owner Edited Feb 14, 2019  Hobbyist Photographer
Thank'ee kindly, Squire :bow: for the favour you's granted me work. It's muchly appreciated :ahoy:
Okavanga Featured By Owner Feb 15, 2019
My pleasure.
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