'Halo' effect in image

[Richard Lueck]

I recently took a picture of a Heron (I think) standing in the river near where I live. When I got an 8x10 enlargement made, I noticed a 'halo' effect around the bird. It has all but ruined the picture. You may have to use 200 % magnification to really see this on a computer monitor.

Is this due to the sharpening algorithm in my Sony DSC-S85? It is not very noticable in most pictures, but in this one it really stands out. Could this be a jpg artifact? Or could this be "bloom"?

I took the picture with the sharpening at normal. I may have to turn this off if I see this in more pictures.



Here is a link to the full size picture:
http://cybermages.com/pages/BirdEgret.htm

Richard Lueck

 

[Shay Stephens]

Did you print the picture at full resolution, or did you crop the picture then print it? Did you print the original or did you print the version that is shown on the webpage?

Shay

I recently took a picture of a Heron (I think) standing in the
river near where I live. When I got an 8x10 enlargement made, I
noticed a 'halo' effect around the bird. It has all but ruined the
picture. You may have to use 200 % magnification to really see this
on a computer monitor.
Is this due to the sharpening algorithm in my Sony DSC-S85? It is
not very noticable in most pictures, but in this one it really
stands out. Could this be a jpg artifact? Or could this be "bloom"?
I took the picture with the sharpening at normal. I may have to
turn this off if I see this in more pictures.



Here is a link to the full size picture:
http://cybermages.com/pages/BirdEgret.htm

Richard Lueck

 

[Richard Lueck]

I printed the image at http://cybermages.com/pages/BirdEgret.htm at Walmart. The halo effect is much more visible in the 8x10 print.

Shay

I recently took a picture of a Heron (I think) standing in the
river near where I live. When I got an 8x10 enlargement made, I
noticed a 'halo' effect around the bird. It has all but ruined the
picture. You may have to use 200 % magnification to really see this
on a computer monitor.
Is this due to the sharpening algorithm in my Sony DSC-S85? It is
not very noticable in most pictures, but in this one it really
stands out. Could this be a jpg artifact? Or could this be "bloom"?
I took the picture with the sharpening at normal. I may have to
turn this off if I see this in more pictures.



Here is a link to the full size picture:
http://cybermages.com/pages/BirdEgret.htm

Richard Lueck

 

[Shay Stephens]

That image has a high amount of jpg artifacts. Has that image been edited, or is it straight from the camera? I don't think the camera is necessarily to blame as much as the jpg compression level being used to save the image after it has been edited. If this image is straight from the camera without editing, then try using a higher quality compression setting on the camera and see if you get better results. If the image has been edited then try saving future images using a higher quality compression setting.

Shay

Shay

I recently took a picture of a Heron (I think) standing in the
river near where I live. When I got an 8x10 enlargement made, I
noticed a 'halo' effect around the bird. It has all but ruined the
picture. You may have to use 200 % magnification to really see this
on a computer monitor.
Is this due to the sharpening algorithm in my Sony DSC-S85? It is
not very noticable in most pictures, but in this one it really
stands out. Could this be a jpg artifact? Or could this be "bloom"?
I took the picture with the sharpening at normal. I may have to
turn this off if I see this in more pictures.



Here is a link to the full size picture:
http://cybermages.com/pages/BirdEgret.htm

Richard Lueck

 

[Richard Lueck]

Hmmm...

I guess that when Photoshop created the webpage it also created compressed jpgs to go with it. I hadn't checked on the size of the files. I am reposting all of the files in the index as originally done. For the Egret picture, I am reposting exactly as it came from the camera, exif and all.

Please take a look and tell me what you think is going on. I used maximum resolution with minimum comression. Do you think that this is the compression, or is it do to the sharpening in camera? I used the standard sharpening. I'm now going to set my camera to -1 or maybe even -2 (that should shut it off altogether.) I'd hate for it to be a jpg artifact. The tif files are HUGE.

Anyway, the image straight from the camera is up now at the same link. please take a look and tell me what you think.

Richard

Shay

Shay

I recently took a picture of a Heron (I think) standing in the
river near where I live. When I got an 8x10 enlargement made, I
noticed a 'halo' effect around the bird. It has all but ruined the
picture. You may have to use 200 % magnification to really see this
on a computer monitor.
Is this due to the sharpening algorithm in my Sony DSC-S85? It is
not very noticable in most pictures, but in this one it really
stands out. Could this be a jpg artifact? Or could this be "bloom"?
I took the picture with the sharpening at normal. I may have to
turn this off if I see this in more pictures.



Here is a link to the full size picture:
http://cybermages.com/pages/BirdEgret.htm

Richard Lueck

 

[Richard Lueck]

Ok, as some Shay mentioned, the picture was highly compressed on the webpage. The problem is the same in the orignal though. I have now reposted all of the images there in the orignal format. The Egret picture is the first one I had an 8x10 made of, and I was distressed when I saw the 'aura' around the bird. Upon looking closer at this picture though, I see the same thing: http://cybermages.com/images/birds.html

The rest of the pictures I uploaded can be found at http://cybermages.com/PhotoIndex.htm

Is this a common problem for Sony cameras? Is it caused by the sharpening algorithm? Will it go away if I switch the internal sharpening off?

The effect is not noticable in a 4x6 print, but is very visible at 8x10. Has anyone else been seeing this?

Richard

I recently took a picture of a Heron (I think) standing in the
river near where I live. When I got an 8x10 enlargement made, I
noticed a 'halo' effect around the bird. It has all but ruined the
picture. You may have to use 200 % magnification to really see this
on a computer monitor.
Is this due to the sharpening algorithm in my Sony DSC-S85? It is
not very noticable in most pictures, but in this one it really
stands out. Could this be a jpg artifact? Or could this be "bloom"?
I took the picture with the sharpening at normal. I may have to
turn this off if I see this in more pictures.



Here is a link to the full size picture:
http://cybermages.com/pages/BirdEgret.htm

Richard Lueck

 

[Richard Lueck]

Oops, that should have been:
http://cybermages.com/pages/Birds.htm
Richard

The rest of the pictures I uploaded can be found at
http://cybermages.com/PhotoIndex.htm

Is this a common problem for Sony cameras? Is it caused by the
sharpening algorithm? Will it go away if I switch the internal
sharpening off?
The effect is not noticable in a 4x6 print, but is very visible at
8x10. Has anyone else been seeing this?

Richard

I recently took a picture of a Heron (I think) standing in the
river near where I live. When I got an 8x10 enlargement made, I
noticed a 'halo' effect around the bird. It has all but ruined the
picture. You may have to use 200 % magnification to really see this
on a computer monitor.
Is this due to the sharpening algorithm in my Sony DSC-S85? It is
not very noticable in most pictures, but in this one it really
stands out. Could this be a jpg artifact? Or could this be "bloom"?
I took the picture with the sharpening at normal. I may have to
turn this off if I see this in more pictures.



Here is a link to the full size picture:
http://cybermages.com/pages/BirdEgret.htm

Richard Lueck

 

[MAC]

Magnifying Under Photodraw and photoshop it looks like sharpening is there--in fact the Halo gets worse when I Sharpen more. Not sure what was going on here. Too bad the sun wasn't behind you to keep from overexposing--and I like F4 ISO100 when outside.

MAC

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010f Make SONY
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011b YResolution 72.0
0128 ResolutionUnit 2
0132 DateTime 2001:08:29 09:13:09
0213 YCbCrPositioning 2
8769 ExifOffset 218
829a ExposureTime 10/10000
829d FNumber 8.0
8822 ExposureProgram 2
8827 ISOSpeedRatings 100
9000 ExifVersion 0x30 0x32 0x31 0x30
9003 DateTimeOriginal 2001:08:29 09:13:09
9004 DateTimeDigitized 2001:08:29 09:13:09
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9204 ExposureBiasValue -1.7
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9209 Flash 0
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927c MakerNote
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010f Make SONY
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0132 DateTime 2001:08:29 09:13:09
0201 JPEGInterchangeFormat 851
0202 JPEGInterchangeFormatLength 3984

I recently took a picture of a Heron (I think) standing in the
river near where I live. When I got an 8x10 enlargement made, I
noticed a 'halo' effect around the bird. It has all but ruined the
picture. You may have to use 200 % magnification to really see this
on a computer monitor.
Is this due to the sharpening algorithm in my Sony DSC-S85? It is
not very noticable in most pictures, but in this one it really
stands out. Could this be a jpg artifact? Or could this be "bloom"?
I took the picture with the sharpening at normal. I may have to
turn this off if I see this in more pictures.



Here is a link to the full size picture:
http://cybermages.com/pages/BirdEgret.htm

Richard Lueck

 

[Greg Fischer]

Richard,

That FlowersWhite photo is spectacular, especially with the moon in the background. I wish I had a fast internet connection tho... these long download times are killing me!

I think the "halo effect" is an optical phenomenon related to viewing a dark close object against a light distant background through a relatively large aperture. You don't need a camera to demonstate this. Try looking at your thumb against the sky and then try it again looking through a pinhole in a piece of paper (the "halo" disappears).
Greg

 

[Richard Lueck]

Actually, I was going for a silhouette effect. I like the overall picture, I was just dismayed with the 'aura'.
BTW, nice listing of the exif data, what did you use?

Richard

MAC

Tag Name Value
010e ImageDescription
010f Make SONY
0110 Model CYBERSHOT
0112 Orientation 1
011a XResolution 72.0
011b YResolution 72.0
0128 ResolutionUnit 2
0132 DateTime 2001:08:29 09:13:09
0213 YCbCrPositioning 2
8769 ExifOffset 218
829a ExposureTime 10/10000
829d FNumber 8.0
8822 ExposureProgram 2
8827 ISOSpeedRatings 100
9000 ExifVersion 0x30 0x32 0x31 0x30
9003 DateTimeOriginal 2001:08:29 09:13:09
9004 DateTimeDigitized 2001:08:29 09:13:09
9101 ComponentsConfiguration 0x1 0x2 0x3 0x0
9102 CompressedBitsPerPixel 2.0
9204 ExposureBiasValue -1.7
9205 MaxApertureValue 2.0
9207 MeteringMode 2
9208 LightSource 1
9209 Flash 0
920a FocalLength 21.0
927c MakerNote
a000 FlashPixVersion 0x30 0x31 0x30 0x30
a001 ColorSpace 1
a002 ExifImageWidth 2272
a003 ExifImageLength 1704
a005 InteroperabilityOffset 642
0001 InteroperabilityIndex R98
0002 InteroperabilityVersion 0x30 0x31 0x30 0x30
a300 FileSource 0x3
a301 SceneType 0x1
0103 Compression 6
010f Make SONY
0110 Model CYBERSHOT
0112 Orientation 1
011a XResolution 72.0
011b YResolution 72.0
0128 ResolutionUnit 2
0132 DateTime 2001:08:29 09:13:09
0201 JPEGInterchangeFormat 851
0202 JPEGInterchangeFormatLength 3984

I recently took a picture of a Heron (I think) standing in the
river near where I live. When I got an 8x10 enlargement made, I
noticed a 'halo' effect around the bird. It has all but ruined the
picture. You may have to use 200 % magnification to really see this
on a computer monitor.
Is this due to the sharpening algorithm in my Sony DSC-S85? It is
not very noticable in most pictures, but in this one it really
stands out. Could this be a jpg artifact? Or could this be "bloom"?
I took the picture with the sharpening at normal. I may have to
turn this off if I see this in more pictures.



Here is a link to the full size picture:
http://cybermages.com/pages/BirdEgret.htm

Richard Lueck

 

[MAC]

Actually, I was going for a silhouette effect. I like the overall
picture, I was just dismayed with the 'aura'.
BTW, nice listing of the exif data, what did you use?

The freeware from this thread:

http://www.dpreview.com/forums/read.asp?forum=1009&page=1&message=1523392

MAC

Richard

MAC

Tag Name Value
010e ImageDescription
010f Make SONY
0110 Model CYBERSHOT
0112 Orientation 1
011a XResolution 72.0
011b YResolution 72.0
0128 ResolutionUnit 2
0132 DateTime 2001:08:29 09:13:09
0213 YCbCrPositioning 2
8769 ExifOffset 218
829a ExposureTime 10/10000
829d FNumber 8.0
8822 ExposureProgram 2
8827 ISOSpeedRatings 100
9000 ExifVersion 0x30 0x32 0x31 0x30
9003 DateTimeOriginal 2001:08:29 09:13:09
9004 DateTimeDigitized 2001:08:29 09:13:09
9101 ComponentsConfiguration 0x1 0x2 0x3 0x0
9102 CompressedBitsPerPixel 2.0
9204 ExposureBiasValue -1.7
9205 MaxApertureValue 2.0
9207 MeteringMode 2
9208 LightSource 1
9209 Flash 0
920a FocalLength 21.0
927c MakerNote
a000 FlashPixVersion 0x30 0x31 0x30 0x30
a001 ColorSpace 1
a002 ExifImageWidth 2272
a003 ExifImageLength 1704
a005 InteroperabilityOffset 642
0001 InteroperabilityIndex R98
0002 InteroperabilityVersion 0x30 0x31 0x30 0x30
a300 FileSource 0x3
a301 SceneType 0x1
0103 Compression 6
010f Make SONY
0110 Model CYBERSHOT
0112 Orientation 1
011a XResolution 72.0
011b YResolution 72.0
0128 ResolutionUnit 2
0132 DateTime 2001:08:29 09:13:09
0201 JPEGInterchangeFormat 851
0202 JPEGInterchangeFormatLength 3984

I recently took a picture of a Heron (I think) standing in the
river near where I live. When I got an 8x10 enlargement made, I
noticed a 'halo' effect around the bird. It has all but ruined the
picture. You may have to use 200 % magnification to really see this
on a computer monitor.
Is this due to the sharpening algorithm in my Sony DSC-S85? It is
not very noticable in most pictures, but in this one it really
stands out. Could this be a jpg artifact? Or could this be "bloom"?
I took the picture with the sharpening at normal. I may have to
turn this off if I see this in more pictures.



Here is a link to the full size picture:
http://cybermages.com/pages/BirdEgret.htm

Richard Lueck

 

[David J. Littleboy]

Hmmm...
I guess that when Photoshop created the webpage it also created
compressed jpgs to go with it. I hadn't checked on the size of the
files. I am reposting all of the files in the index as originally
done. For the Egret picture, I am reposting exactly as it came from
the camera, exif and all.
Please take a look and tell me what you think is going on. I used
maximum resolution with minimum comression. Do you think that this
is the compression, or is it do to the sharpening in camera?

The original picture you posted had both a sharpening halo and jpeg artificats. The latest one is just sharpening.

I used
the standard sharpening. I'm now going to set my camera to -1 or
maybe even -2 (that should shut it off altogether.) I'd hate for it
to be a jpg artifact. The tif files are HUGE.

Really. I've found that sharpening -2 not only eliminates the halos, it also makes noise less noticeable.

IMHO, and all that.

David J. Littleboy
Tokyo, Japan

 

[probepro]

I think the "halo effect" is an optical phenomenon related to
viewing a dark close object against a light distant background
through a relatively large aperture.

The original image magnified 400% clearly shows a white halo serveral pixels wide. Phil also noticed this in his F707 reivew. I've seen this on other brands of DC's as well, but it seems worse on Sony's.