dots (blue/white) visible in images...HELP!
by v.w. » Thu, 09 Dec 2004 03:21:20 GMT
This is a multi-part message in MIME format.
Hi,
I tried 3 different new digital cameras (sanyo, fujitsu siemens and now "BenQ DC C50") and all of them have one or more blue / white dots in their images, if the images are dark (when I look at them on my pc-monitor). In bright images they seems to disappear. The dots are always on the same place. I tried to clean the objective, but it didn't change anything.
Does anybody know the reason?
Is this usually for digital cameras (< 200 EUR)?
Best regards,
v.w.
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<DIV><FONT face=Arial size=2>Hi,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I tried 3 different new digital cameras (sanyo,
fujitsu siemens and now "BenQ DC C50") and all of them have one or more blue /
white dots in their images, if the images are dark (when I look
at them on my pc-monitor). In bright images they seems to disappear.
The dots are always on the same place. I tried to clean the objective,
but it didn't change anything.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Does anybody know the reason?</FONT></DIV>
<DIV><FONT face=Arial size=2>Is this usually for digital cameras (< 200
EUR)?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Best regards,</FONT></DIV>
<DIV><FONT face=Arial size=2>v.w.</FONT></DIV></BODY></HTML>
Re: dots (blue/white) visible in images...HELP!
by John Inzer » Thu, 09 Dec 2004 05:00:18 GMT
====================================
Maybe the following article
will offer some ideas:
http://www.**--****.com/
--
John Inzer
Picture It! MVP
return e-mail disabled
Picture It! Support Center
http://www.**--****.com/
Digital Image Support Center
http://www.**--****.com/
Re: dots (blue/white) visible in images...HELP!
by Chuck » Thu, 09 Dec 2004 07:35:28 GMT
his is a multi-part message in MIME format.
It may be something other than the cameras if the dots appear in the same place on pictures of different things.
One of several possibilities is a bad memory location in the video ram. It's also possible that something is introducing a non random error in the data from the camera as it is transferred to the PC.
"v.w." < XXXX@XXXXX.COM > wrote in message news:% XXXX@XXXXX.COM ...
Hi,
I tried 3 different new digital cameras (sanyo, fujitsu siemens and now "BenQ DC C50") and all of them have one or more blue / white dots in their images, if the images are dark (when I look at them on my pc-monitor). In bright images they seems to disappear. The dots are always on the same place. I tried to clean the objective, but it didn't change anything.
Does anybody know the reason?
Is this usually for digital cameras (< 200 EUR)?
Best regards,
v.w.
---
Outgoing mail is AVG certified Virus Free.
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<DIV><FONT face=Arial size=2>It may be something other than the cameras if the
dots appear in the same place on pictures of different things.</FONT></DIV>
<DIV><FONT face=Arial size=2>One of several possibilities is a bad memory
location in the video ram. It's also possible that something is introducing a
non random error in the data from the camera as it is transferred to the
PC.</FONT></DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"v.w." <<A href="mailto: XXXX@XXXXX.COM "> XXXX@XXXXX.COM </A>> wrote in
message <A
href="news:% XXXX@XXXXX.COM ">news:% XXXX@XXXXX.COM </A>...</DIV>
<DIV><FONT face=Arial size=2>Hi,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I tried 3 different new digital cameras (sanyo,
fujitsu siemens and now "BenQ DC C50") and all of them have one or more blue /
white dots in their images, if the images are dark (when I look
at them on my pc-monitor). In bright images they seems to disappear.
The dots are always on the same place. I tried to clean the objective,
but it didn't change anything.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Does anybody know the reason?</FONT></DIV>
<DIV><FONT face=Arial size=2>Is this usually for digital cameras (< 200
EUR)?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Best regards,</FONT></DIV>
<DIV><FONT face=Arial size=2>v.w.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2><BR>---<BR>O
Re: dots (blue/white) visible in images...HELP!
by Yves Alarie » Thu, 09 Dec 2004 09:48:06 GMT
This is a multi-part message in MIME format.
Did you try to print? Do you see blue/white dots on the print?
Hi,
I tried 3 different new digital cameras (sanyo, fujitsu siemens and now "BenQ DC C50") and all of them have one or more blue / white dots in their images, if the images are dark (when I look at them on my pc-monitor). In bright images they seems to disappear. The dots are always on the same place. I tried to clean the objective, but it didn't change anything.
Does anybody know the reason?
Is this usually for digital cameras (< 200 EUR)?
Best regards,
v.w.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="MSHTML 6.00.2800.1458" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT face=Arial size=2>Did you try to print? Do you see blue/white dots on
the print?</FONT></DIV>
<DIV> </DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"v.w." <<A href="mailto: XXXX@XXXXX.COM "> XXXX@XXXXX.COM </A>> wrote in
message <A
<DIV><FONT face=Arial size=2>Hi,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I tried 3 different new digital cameras (sanyo,
fujitsu siemens and now "BenQ DC C50") and all of them have one or more blue /
white dots in their images, if the images are dark (when I look
at them on my pc-monitor). In bright images they seems to disappear.
The dots are always on the same place. I tried to clean the objective,
but it didn't change anything.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Does anybody know the reason?</FONT></DIV>
<DIV><FONT face=Arial size=2>Is this usually for digital cameras (< 200
EUR)?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Best regards,</FONT></DIV>
<DIV><FONT face=Arial size=2>v.w.</FONT></DIV></BLOCKQUOTE></BODY></HTML>
Re: dots (blue/white) visible in images...HELP!
by v.w. » Sat, 11 Dec 2004 16:42:43 GMT
This is a multi-part message in MIME format.
Did you try to print? Do you see blue/white dots on the print?
Hi,
I tried 3 different new digital cameras (sanyo, fujitsu siemens and now "BenQ DC C50") and all of them have one or more blue / white dots in their images, if the images are dark (when I look at them on my pc-monitor). In bright images they seems to disappear. The dots are always on the same place. I tried to clean the objective, but it didn't change anything.
Does anybody know the reason?
Is this usually for digital cameras (< 200 EUR)?
Best regards,
v.w.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="MSHTML 6.00.2800.1106" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"Yves Alarie" <<A href="mailto:rd50@@pitt.edu">rd50@@pitt.edu</A>>
schrieb im Newsbeitrag <A
<DIV><FONT face=Arial size=2>Did you try to print? Do you see blue/white dots
on the print?</FONT></DIV>
<DIV> </DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"v.w." <<A href="mailto: XXXX@XXXXX.COM "> XXXX@XXXXX.COM </A>> wrote in
message <A
<DIV><FONT face=Arial size=2>Hi,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I tried 3 different new digital cameras (sanyo,
fujitsu siemens and now "BenQ DC C50") and all of them have one or more blue
/ white dots in their images, if the images are dark (when
I look at them on my pc-monitor). In bright images they seems
to disappear. The dots are always on the same place. I tried to clean
the objective, but it didn't change anything.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Does anybody know the reason?</FONT></DIV>
<DIV><FONT face=Arial size=2>Is this usually for digital cameras (< 200
EUR)?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Best regards,</FONT></DIV>
<DIV><FONT face=Arial size=2>v.w.</FONT></DIV>
<DIV> </DIV></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>
Re: dots (blue/white) visible in images...HELP!
by v.w. » Sat, 11 Dec 2004 16:54:00 GMT
This is a multi-part message in MIME format.
No, I didn't yet.
But the dots are visible in the JPEG files, when I open them in windows. Image and dots seems to be merged, so the dots would be printed, too, I think.
I've read about the image "noise" by digital cameras "creating" grain in the picture. Maybe this is the reason for the dots.
Did you try to print? Do you see blue/white dots on the print?
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="MSHTML 6.00.2800.1106" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT face=Arial size=2>No, I didn't yet.</FONT></DIV>
<DIV><FONT face=Arial size=2>But the dots are visible in the JPEG files, when I
open them in windows. Image and dots seems to be merged, so the dots would be
printed, too, I think.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I've read about the image "noise" by digital
cameras "creating" grain in the picture. Maybe this is the reason for the
dots.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"Yves Alarie" <<A href="mailto:rd50@@pitt.edu">rd50@@pitt.edu</A>>
schrieb im Newsbeitrag <A
<DIV> </DIV>
<DIV><FONT face=Arial size=2>Did you try to print? Do you see blue/white dots
on the print?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT><FONT face=Arial
size=2> </DIV></FONT></BLOCKQUOTE></BODY></HTML>
Re: dots (blue/white) visible in images...HELP!
by Yves Alarie » Mon, 13 Dec 2004 10:17:53 GMT
his is a multi-part message in MIME format.
The reason I asked if you printed, is that you can be looking at images on your screen at a much larger size than if you print a 6 x 4. If you print you may not see so much noise. If noise is a problem, you can remove it with this application available for free:
The download page is http://members.chello.nl/r.kroonenberg2/
However, removing noise from every picture is tedious. You simply need to purchase a better camera if noise is a problem.
"v.w." < XXXX@XXXXX.COM > wrote in message news: XXXX@XXXXX.COM ...
No, I didn't yet.
But the dots are visible in the JPEG files, when I open them in windows. Image and dots seems to be merged, so the dots would be printed, too, I think.
I've read about the image "noise" by digital cameras "creating" grain in the picture. Maybe this is the reason for the dots.
"Yves Alarie" <rd50@@pitt.edu> schrieb im Newsbeitrag news:es2OW# XXXX@XXXXX.COM ...
Did you try to print? Do you see blue/white dots on the print?
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="MSHTML 6.00.2800.1458" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT face=Arial size=2>The reason I asked if you printed, is that you can
be looking at images on your screen at a much larger size than if you print a 6
x 4. If you print you may not see so much noise. If noise is a problem, you can
remove it with this application available for free:</FONT></DIV>
<DIV>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">The download page is
<A title="Click to open link in a new browser window"
href="http://members.chello.nl/r.kroonenberg2/" target=_blank><SPAN
style="COLOR: #0000dd">http://members.chello.nl/r.kroonenberg2/</SPAN></A></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">However, removing
noise from every picture is tedious. You simply need to purchase a better camera
if noise is a problem.</SPAN></P></DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"v.w." <<A href="mailto: XXXX@XXXXX.COM "> XXXX@XXXXX.COM </A>> wrote in
message <A
href="news: XXXX@XXXXX.COM ">news: XXXX@XXXXX.COM </A>...</DIV>
<DIV><FONT face=Arial size=2>No, I didn't yet.</FONT></DIV>
<DIV><FONT face=Arial size=2>But the dots are visible in the JPEG files, when
I open them in windows. Image and dots seems to be merged, so the dots would
be printed, too, I think.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I've read about the image "noise" by digital
cameras "creating" grain in the picture. Maybe this is the reason for the
dots.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
Re: dots (blue/white) visible in images...HELP!
by Chuck » Mon, 13 Dec 2004 12:46:08 GMT
his is a multi-part message in MIME format.
A better camera may not be the answer. When a photo taken with a digital camera is at the lower light limit of the sensor, some noise will usually exist in the picture. Cameras may have selectible noise filters that will increase the camera processing time if turned on. The real solution is more light. If the noise occurs in the same place on the display with different cameras (as the user stated), it's not the camera.
"Yves Alarie" <rd50@@pitt.edu> wrote in message news:O1wUdh% XXXX@XXXXX.COM ...
The reason I asked if you printed, is that you can be looking at images on your screen at a much larger size than if you print a 6 x 4. If you print you may not see so much noise. If noise is a problem, you can remove it with this application available for free:
The download page is http://members.chello.nl/r.kroonenberg2/
However, removing noise from every picture is tedious. You simply need to purchase a better camera if noise is a problem.
"v.w." < XXXX@XXXXX.COM > wrote in message news: XXXX@XXXXX.COM ...
No, I didn't yet.
But the dots are visible in the JPEG files, when I open them in windows. Image and dots seems to be merged, so the dots would be printed, too, I think.
I've read about the image "noise" by digital cameras "creating" grain in the picture. Maybe this is the reason for the dots.
"Yves Alarie" <rd50@@pitt.edu> schrieb im Newsbeitrag news:es2OW# XXXX@XXXXX.COM ...
Did you try to print? Do you see blue/white dots on the print?
---
Outgoing mail is AVG certified Virus Free.
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="MSHTML 6.00.2900.2149" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT face=Arial size=2>A better camera may not be the answer. When a photo
taken with a digital camera is at the lower light limit of the sensor, some
noise will usually exist in the picture. Cameras may have selectible noise
filters that will increase the camera processing time if turned on. The real
solution is more light. If the noise occurs in the same place on the display
with different cameras (as the user stated), it's not the camera.</FONT></DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"Yves Alarie" <<A href="mailto:rd50@@pitt.edu">rd50@@pitt.edu</A>>
wrote in message <A
href="news:O1wUdh% XXXX@XXXXX.COM ">news:O1wUdh% XXXX@XXXXX.COM </A>...</DIV>
<DIV><FONT face=Arial size=2>The reason I asked if you printed, is that you
can be looking at images on your screen at a much larger size than if you
print a 6 x 4. If you print you may not see so much noise. If noise is a
problem, you can remove it with this application available for
free:</FONT></DIV>
<DIV>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Tahoma">The download page is
<A titl
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