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Face curves looking ragged/pixelly



 
 
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  #1  
Old July 25th 04, 09:41 AM
Alfred Molon
external usenet poster
 
Posts: n/a
Default Face curves looking ragged/pixelly

Chef! wrote:
Hi All,
I took some photos down in Brighton and all came out ok, apart from a couple
of my partner's face - round the cheek area. It was shot in B&W and colour
@ 3.2 or 5 MP(Sony W1) and she has black hair, sunny conditions. The white
of her face curves, where it meets the blackness of her hair in the
background, had a ragged finish to it -as if the camera had difficulties in
drawing a curve finish. I've had the camera for a month and have had
perfect results and have not experienced this sort of result from it. Is it
renderable with something like PhotoShop -if so which tool?


Too possible reasons:
1. too high JPEG compression level (choose instead the highest quality
JPEG setting your camera has).
2. too much in camera sharpening (try reducing the sharpening level, if
your camera has such an adjustment)
--

Alfred Molon
------------------------------
http://groups.yahoo.com/group/Olympus_405080/
Olympus 5050 resource - http://www.molon.de/5050.html
Olympus 5060 resource - http://www.molon.de/5060.html
Olympus 8080 resource - http://www.molon.de/8080.html
  #2  
Old July 25th 04, 09:41 AM
Alfred Molon
external usenet poster
 
Posts: n/a
Default Face curves looking ragged/pixelly

Chef! wrote:
Hi All,
I took some photos down in Brighton and all came out ok, apart from a couple
of my partner's face - round the cheek area. It was shot in B&W and colour
@ 3.2 or 5 MP(Sony W1) and she has black hair, sunny conditions. The white
of her face curves, where it meets the blackness of her hair in the
background, had a ragged finish to it -as if the camera had difficulties in
drawing a curve finish. I've had the camera for a month and have had
perfect results and have not experienced this sort of result from it. Is it
renderable with something like PhotoShop -if so which tool?


Too possible reasons:
1. too high JPEG compression level (choose instead the highest quality
JPEG setting your camera has).
2. too much in camera sharpening (try reducing the sharpening level, if
your camera has such an adjustment)
--

Alfred Molon
------------------------------
http://groups.yahoo.com/group/Olympus_405080/
Olympus 5050 resource - http://www.molon.de/5050.html
Olympus 5060 resource - http://www.molon.de/5060.html
Olympus 8080 resource - http://www.molon.de/8080.html
  #3  
Old July 25th 04, 10:07 AM
Chef!
external usenet poster
 
Posts: n/a
Default Face curves looking ragged/pixelly

Hi All,
I took some photos down in Brighton and all came out ok, apart from a couple
of my partner's face - round the cheek area. It was shot in B&W and colour
@ 3.2 or 5 MP(Sony W1) and she has black hair, sunny conditions. The white
of her face curves, where it meets the blackness of her hair in the
background, had a ragged finish to it -as if the camera had difficulties in
drawing a curve finish. I've had the camera for a month and have had
perfect results and have not experienced this sort of result from it. Is it
renderable with something like PhotoShop -if so which tool?

Many thanks,
Keen Amateur Snapper!


  #4  
Old July 25th 04, 02:33 PM
Doug Kanter
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Posts: n/a
Default Face curves looking ragged/pixelly

"Alfred Molon" wrote in message
...

2. too much in camera sharpening (try reducing the sharpening level, if
your camera has such an adjustment)


This comment is interesting. I'm in the "infant" stage of choosing a digital
camera, so I'm still uninformed and have a question: What is this sharpening
feature supposed to compensate for? Camera movement? Auto-focus errors?


  #5  
Old July 25th 04, 02:33 PM
Doug Kanter
external usenet poster
 
Posts: n/a
Default Face curves looking ragged/pixelly

"Alfred Molon" wrote in message
...

2. too much in camera sharpening (try reducing the sharpening level, if
your camera has such an adjustment)


This comment is interesting. I'm in the "infant" stage of choosing a digital
camera, so I'm still uninformed and have a question: What is this sharpening
feature supposed to compensate for? Camera movement? Auto-focus errors?


  #6  
Old July 25th 04, 04:20 PM
Paul H.
external usenet poster
 
Posts: n/a
Default Face curves looking ragged/pixelly


"Chef!" wrote in message
...
Hi All,
I took some photos down in Brighton and all came out ok, apart from a

couple
of my partner's face - round the cheek area. It was shot in B&W and

colour
@ 3.2 or 5 MP(Sony W1) and she has black hair, sunny conditions. The

white
of her face curves, where it meets the blackness of her hair in the
background, had a ragged finish to it -as if the camera had difficulties

in
drawing a curve finish. I've had the camera for a month and have had
perfect results and have not experienced this sort of result from it. Is

it
renderable with something like PhotoShop -if so which tool?

Many thanks,
Keen Amateur Snapper!



There's a freeware simple image editor called "Photofiltre" (
www.photofiltre.com ) which has a pretty good anti-aliasing filter included
in the package.


  #7  
Old July 25th 04, 04:20 PM
Paul H.
external usenet poster
 
Posts: n/a
Default Face curves looking ragged/pixelly


"Chef!" wrote in message
...
Hi All,
I took some photos down in Brighton and all came out ok, apart from a

couple
of my partner's face - round the cheek area. It was shot in B&W and

colour
@ 3.2 or 5 MP(Sony W1) and she has black hair, sunny conditions. The

white
of her face curves, where it meets the blackness of her hair in the
background, had a ragged finish to it -as if the camera had difficulties

in
drawing a curve finish. I've had the camera for a month and have had
perfect results and have not experienced this sort of result from it. Is

it
renderable with something like PhotoShop -if so which tool?

Many thanks,
Keen Amateur Snapper!



There's a freeware simple image editor called "Photofiltre" (
www.photofiltre.com ) which has a pretty good anti-aliasing filter included
in the package.


  #8  
Old July 25th 04, 07:06 PM
Alfred Molon
external usenet poster
 
Posts: n/a
Default Face curves looking ragged/pixelly

Doug Kanter wrote:
2. too much in camera sharpening (try reducing the sharpening level, if
your camera has such an adjustment)


This comment is interesting. I'm in the "infant" stage of choosing a digital
camera, so I'm still uninformed and have a question: What is this sharpening
feature supposed to compensate for? Camera movement? Auto-focus errors?


The in-camera sharpening is necessary for the following reasons:

1. First of all, all Bayer CCD cameras (i.e. all cameras except the
Sigma Foveon one) have to interpolate the CCD data to obtain full-colour
pixels. This interpolation process reduces the sharpness.
2. The lens might not be too sharp.
--

Alfred Molon
------------------------------
http://groups.yahoo.com/group/Olympus_405080/
Olympus 5050 resource - http://www.molon.de/5050.html
Olympus 5060 resource - http://www.molon.de/5060.html
Olympus 8080 resource - http://www.molon.de/8080.html
  #9  
Old July 25th 04, 07:06 PM
Alfred Molon
external usenet poster
 
Posts: n/a
Default Face curves looking ragged/pixelly

Doug Kanter wrote:
2. too much in camera sharpening (try reducing the sharpening level, if
your camera has such an adjustment)


This comment is interesting. I'm in the "infant" stage of choosing a digital
camera, so I'm still uninformed and have a question: What is this sharpening
feature supposed to compensate for? Camera movement? Auto-focus errors?


The in-camera sharpening is necessary for the following reasons:

1. First of all, all Bayer CCD cameras (i.e. all cameras except the
Sigma Foveon one) have to interpolate the CCD data to obtain full-colour
pixels. This interpolation process reduces the sharpness.
2. The lens might not be too sharp.
--

Alfred Molon
------------------------------
http://groups.yahoo.com/group/Olympus_405080/
Olympus 5050 resource - http://www.molon.de/5050.html
Olympus 5060 resource - http://www.molon.de/5060.html
Olympus 8080 resource - http://www.molon.de/8080.html
  #10  
Old July 25th 04, 07:40 PM
Doug Kanter
external usenet poster
 
Posts: n/a
Default Face curves looking ragged/pixelly

"Alfred Molon" wrote in message
...
Doug Kanter wrote:
2. too much in camera sharpening (try reducing the sharpening level, if
your camera has such an adjustment)


This comment is interesting. I'm in the "infant" stage of choosing a

digital
camera, so I'm still uninformed and have a question: What is this

sharpening
feature supposed to compensate for? Camera movement? Auto-focus errors?


The in-camera sharpening is necessary for the following reasons:

1. First of all, all Bayer CCD cameras (i.e. all cameras except the
Sigma Foveon one) have to interpolate the CCD data to obtain full-colour
pixels. This interpolation process reduces the sharpness.
2. The lens might not be too sharp.


Can the degree of sharpening be controlled or shut off on any cameras in the
$200-$500 range?


 




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