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Dusk, Cheticamp Boardwalk – (HDR/Hybrid) | by jwvraets
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Dusk, Cheticamp Boardwalk – (HDR/Hybrid)

En-route to the Cabot Trail, we spent an overnight in Cheticamp, Nova Scotia. This village features not only a harbour, but also a boardwalk that enables people to stroll much of the length of the downtown area right along the waterfront. Seen here at Blue Hour, if you look closely, you can just make out the ferry docked in the far background. The lighthouse looks just a little too 'touristy' to be a real light house so I strongly suspect it is a come-on for the tourists. None-the-less, a very charming town on Cape Breton Island. - JW

 

Tech Details:

 

This image was created from two HDR images processed using two different models, and the resulting HDRs were then blended in post-processing. Hence the image is an HDR/Hybrid. HDR processing was chosen to bring out detail in the boardwalk and also to deal with the bright lights included in the image.

 

The original image sequence was taken using a tripod-mounted Nikon D7100 fitted with a Nikkor 18-105mm VR lense set to 25mm, ISO100, Aperture priority mode, f/5.0, 3 auto-bracketed exposures spaced at EV+/-2 around a nominal 15 sec. HDR processing of the three-image-sequence was done using Luminance/Qtpfsgui to produce two different versions, Fattal to bring out the colours and Mantiuk '06 to bring out detail. Both were sued in the subsequent post-processing. PP in GIMP: loaded the Fattal version as the top layer and the Mantiuk version as the lower layer, set the top layer opacity to 50% to obtain good colour with some of the detail from the Mantiuk version, created a new layer from the visible result, slightly altered the tone curve to more of a classic 'S' curve shape to bring out a more natural (to me) tonal range, very slightly increased overall saturation simply to clean up the colours, sharpened, dded fine black and white frame, added bar and text on left, scaled image to 1800 wide for posting.

 

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D7A_4809_nscheticamplthsebrdwalkbluehr3xHDR50pcmantiukadjbarsigx1800_pregamma_0.9_fattal_alpha_1_beta_0.9_saturation_1_noiseredux_0_fftsolver_1

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Luminance HDR 2.3.0 tonemapping parameters:

Operator: Fattal

Parameters:

Alpha: 1

Beta: 0.9

Color Saturation: 1

Noise Reduction: 0

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PreGamma: 0.9

 

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Uploaded on September 6, 2013