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#1
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Santa Sweater Mystery
Suspecting a camera problem, I re-did the display of the Santas on both 21CT55 and 27in Sony.
Judy and I agreed both TVs produced identical coloration of the two Santa's sweaters. I screen-shot both TVs and downloaded the camera. I was astonished to observe the "fuller Santa" was black/white on both TVs while the "lesser Santa" was black/white on the Sony but blue/white and his hair was bluish on the 21CT55! Why this should be is not understood by me. Last edited by Tomcomm; 12-28-2013 at 10:49 AM. |
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I'm old enough to remember seeing Color TV in the late 1950's in my town. However, there was so little programming, and especially during daytime hours when the department stores were open, that it was hard to see a color show on a color set. No local color from our 2 local stations, but the NBC affiliate could pass thru network color. I do remember one Christmas season seeing a 21" roundie in a store window at night showing a Perry Como Christmas show. It was very nice as we drove by. I also remember one time staying at a motel in Tulsa, there was a big roundie color TV in the lobby, and I sat and waited for "some" color..but alas all I was able to see was the station call sign with the number in color. I was a child very eager to experience color TV, but found it very very hard to see any. My families first color TV was the Motorola 23" rectangular model..the first rectangular model from a US manufacturer, AFAIK. Its kind of ironic that I'm seeing vastly more color images from 1950's TV's than I could ever dream of seeing in the 1950's.
As far as comparing different brands and models, well just forget it. If a store had a color set, they had ONE on display. No multiple models to choose from. But I am from a fairly small town. Probably under 60,000 people in the 1950's. Last edited by Phototone; 12-26-2013 at 03:57 PM. |
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#4
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Skinny Santa has some blue highlights in his hair, too. He looks a little punk rock! I think it may be your camera's white balance, though.
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#5
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Several of the stitched shots (but not all) are bluer on the top.
Do I understand correctly that all these appeared to match to the eye? Is your camera white balance set to a fixed setting (daylight), or is it set to automatic? You cannot get consistent results on automatic white balance, as the camera is trying to guess the lighting conditions, and slight variations in the content can cause it to move one way or another. |
Audiokarma |
#6
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Testing New Screen Shot Process
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Wow, looks like a terrible level of block/line artifacts on my screen. Maybe this is from converting the original to a smaller resolution?
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#8
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Wayne....Does the guy look better in this screen shot? The Photo Bucket seems to over-drive on high detail photos. The new guy has less intense detail.
The cat is in a silver steel drum but displays in deep blue. So I'm going to work on the cat screen shot and find out the problem. Surely this anomaly would have been obvious to the human eye viewing the 21CT55 crt......Tom |
#9
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It's better, but not completely clean. Not a good endorsement for Photobucket!
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#10
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You need to do what I did:
Get some nice JPEG files from wherever. Get a DVD or Bluray player that will play them. Get a GOOD Blonder-Tongue modulator, either an agile one or a BAVM-SAM one. A plain BAVM will do, but the SAM does better at +Q to -Q transitions. Play one to your test set. Take a picture with your camera, very preferably to RAW. Use your raw processor, whether from the manufacturer or Photoshop or whatever. I use Photoshop. Put the computer monitor on the to of the TV. Have the jpeg playing. Simply match the developed picture on the monitor to the image on the screen. Save the image as jpeg. Voila! Upload the original and TV image to here. The reader can compare them on his monitor, and will see the EXACT same difference you did. |
Audiokarma |
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DTVmcdonald, you would have Tomcomm match two pictures and then expect them to show a difference? I don't understand.
I thought the problem, which is already being illustrated, is that the TV pictures do not look blue to the eye but sometimes come out blue with the camera. |
#12
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Quote:
exactly matches what you see on the TV. You then post bog the fixed camera image AND the file you played through the DVD player. The reader compares those. Doing this comparison cancels the unknown variable of the reader's computer monitor. Look at my CT100 thread. |
#13
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I think what he means is that he adjusts the primary levels in the file that contains the TV screen shot so that it looks the same color wise on his computer monitor as the TV screen image appears to the eye in person.
DTVmcdonald: In your previous post about Blonder Tongue modulators you talk about "SAM" type modulators having better Q polarity transitions. I've never heard of a BT "SAM" model are you perhaps confusing "SAM" for SAW models?
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Tom C. Zenith: The quality stays in EVEN after the name falls off! What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4 |
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Quote:
Second: yes, its SAW |
#15
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Wayne...I took these screen shots using my Olympus SP-550UZ with WB set for fluorescent lighting used in homes. Later on I started using WB adjusted on a HD white printer paper illuminated outside. I never used auto WB. I ran the original screen shots thru Photo Bucket shown here. The difference in white on the two Santas is minimal but the sweater trim is definite black and blue, eh? I intend to retake the two Santas again, this time matching the sweater's white level more accurately. I will be surprised if the two sweaters don't show the same black trim color on the 21CT55 seen by human eyes.......Tom
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Audiokarma |
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