The Official non-auto Image thread

anekho · 11th June 2009, 21:19

I've been trying to generate an HDR using photomatix and I have a problem. The photo generated has a severe red tone to it!

what is wrong?

cheers

clevermax · 11th June 2009, 21:53

@anekho: What kind of images you had initially? RAW or Jpeg? Pls Explain the technique you used right from the shoot....

anekho · 11th June 2009, 22:18

3 differently exposed raw images.

Opened Photomatix - Clicked generate HDR image - selected the 3 raw images - kept all the default settings in 'Generate HDR - options'

the image turns out like this:

The Official non-auto Image thread-strange.jpg

cheers

clevermax · 11th June 2009, 22:52

Quote:

Originally Posted by anekho

3 differently exposed raw images.

Opened Photomatix - Clicked generate HDR image - selected the 3 raw images - kept all the default settings in 'Generate HDR - options'

the image turns out like this:

Attachment 146944

cheers

Which method? Tone compressor or details enhancer? Try different options...
The output you got looks strange. And the sky still looks blown even in Hdr...

anekho · 11th June 2009, 23:29

using the enhancer... but tried fiddling with the detail enhancer as well. Nothing get's rid of the red tone :(

cheers

Torqueguru · 11th June 2009, 23:43

Hmm, what were the exposures of the 3 files?

clevermax · 12th June 2009, 07:24

Quote:

Originally Posted by anekho

using the enhancer... but tried fiddling with the detail enhancer as well. Nothing get's rid of the red tone :(

cheers

I guess you have spaced out the exposures too much between the shots. For a good looking HDR, take 3 or 4 shots with exposures spaced out by one f stop. Basically, all shots would look somewhat properly exposed. If you have shots whose exposure values differ too much, then you'll have a bad looking Hdr. Finally, if your HDR picture has some color cast, why don't you try the tone mapping curves in PS to eliminate them.

One of my HDRs here...

Museum at Trivandrum - HDR on Flickr - Photo Sharing!

I've explained how images are exposed and HDR is made.

deetee · 12th June 2009, 07:32

@anekho,
I think the color temparature has to be tweaked.Was it given a try?

Requesting comments on composition of this shot,

The Official non-auto Image thread-the_lone_bench.jpg

TSEA · 12th June 2009, 08:47

Some colorful shots:

Life is simple:

The Official non-auto Image thread-solitude_filtered.jpg

Showoff:

The Official non-auto Image thread-peacock_filtered.jpg

redrage · 12th June 2009, 08:53

Wonderful pics TSEA. love the compo on the first one wish it was a tad sharper though!

kalpeshc · 12th June 2009, 09:16

Quote:

This one is from the Sony H50 point and shoot.

@torqueguru: How did you manage to focus? What was the focal length used?

clevermax · 12th June 2009, 09:45

Quote:

Originally Posted by deetee

@anekho,
I think the color temparature has to be tweaked.Was it given a try?

Requesting comments on composition of this shot,
Attachment 146989

Its a nice spot for a portrait. Someone can sit on that bench and you can click the portrait from a little more distance with a 70-200mm lens. It would look cool. B/w processing will add to the beauty.

anekho · 12th June 2009, 11:26

Quote:

Originally Posted by clevermax

I guess you have spaced out the exposures too much between the shots. For a good looking HDR, take 3 or 4 shots with exposures spaced out by one f stop. Basically, all shots would look somewhat properly exposed. If you have shots whose exposure values differ too much, then you'll have a bad looking Hdr. Finally, if your HDR picture has some color cast, why don't you try the tone mapping curves in PS to eliminate them.

One of my HDRs here...

Museum at Trivandrum - HDR on Flickr - Photo Sharing!

I've explained how images are exposed and HDR is made.

Thanks dude! I will try again with a constant f-stop.

Quote:

Originally Posted by deetee

@anekho,
I think the color temparature has to be tweaked.Was it given a try?

yep, tried and it still retains that red tint... :(

PS, I'm just a newbie

cheers

jkdas · 12th June 2009, 12:29

Quote:

Originally Posted by clevermax

@TESA: I can see continuous improvement in these shots... its like CMM level 5... continuous process improvement..!

Good ones, I've never been successful getting a water droplet shot...

A funny shot from my side, taken while I was trying to photograph my 2 month old daughter, wife just grabbed her feet and asked me to click! (I had to click - you know ;-)) Done some PP on the 16 bit tiff, then converted to jpeg and added glow in Picasa.

Attachment 144008

Loved this! missed a few pages!

tsk1979 · 12th June 2009, 12:37

Quote:

Originally Posted by anekho

3 differently exposed raw images.

Opened Photomatix - Clicked generate HDR image - selected the 3 raw images - kept all the default settings in 'Generate HDR - options'

the image turns out like this:

Attachment 146944

cheers

Did you take a screenshot, or is this the final jpg after tone mapping?. If its the former, its expected, only after tone mapping you will get the results.

11th June 2009, 22:18	#5613
anekho Senior - BHPian Join Date: Dec 2008 Location: . Posts: 1,997 Thanked: 685 Times	3 differently exposed raw images. Opened Photomatix - Clicked generate HDR image - selected the 3 raw images - kept all the default settings in 'Generate HDR - options' the image turns out like this: cheers

12th June 2009, 07:32	#5618
deetee BHPian Join Date: Oct 2007 Location: Mangalore Posts: 505 Thanked: 1,632 Times View My Garage	@anekho, I think the color temparature has to be tweaked.Was it given a try? Requesting comments on composition of this shot, Last edited by deetee : 12th June 2009 at 07:34.

12th June 2009, 08:47	#5619
TSEA BHPian Join Date: Jul 2006 Location: Bangalore Posts: 426 Thanked: 867 Times	Some colorful shots: Life is simple: Showoff:

11th June 2009, 21:19	#5611
anekho Senior - BHPian Join Date: Dec 2008 Location: . Posts: 1,997 Thanked: 685 Times	I've been trying to generate an HDR using photomatix and I have a problem. The photo generated has a severe red tone to it! what is wrong? cheers

11th June 2009, 21:53	#5612
clevermax Senior - BHPian Join Date: Jun 2006 Location: Tvm/Amsterdam Posts: 2,115 Thanked: 2,909 Times View My Garage	@anekho: What kind of images you had initially? RAW or Jpeg? Pls Explain the technique you used right from the shoot....

11th June 2009, 23:29	#5615
anekho Senior - BHPian Join Date: Dec 2008 Location: . Posts: 1,997 Thanked: 685 Times	using the enhancer... but tried fiddling with the detail enhancer as well. Nothing get's rid of the red tone :( cheers

11th June 2009, 23:43	#5616
Torqueguru BHPian Join Date: Nov 2007 Location: Seattle Posts: 277 Thanked: 165 Times View My Garage	Hmm, what were the exposures of the 3 files?

12th June 2009, 08:53	#5620
redrage BHPian Join Date: Mar 2005 Location: Bengaluru Posts: 557 Thanked: 106 Times	Wonderful pics TSEA. love the compo on the first one wish it was a tad sharper though!