Stiching Photos

Discussion in 'Graphics Programs and Photo Gallery' started by D-50, Feb 27, 2006.

  1. D-50

    D-50 TPF Noob!

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    If I stitch 10 photos together taken with a 6 megapixel camera will the resulting picture effectively be a 60 megapixel picture? Will I be able to enlarge the stitched photo to a bigger size without loosing resolution than I could if it was a single shot?
     
  2. Arch

    Arch Damn You! Staff Member Supporting Member

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    Basically the answer is no...and no. Your picture, stitched or not still has 6million pixels to make up its resolution. Your D50 shots can be enlarged anyway .....( you didnt mention how big?)...having more pictures tho won't increase the resolution either. That said, if your pictures were going on a side of a bus or summin then more pictures would mean less enlarging which would mean better rez.
     
  3. Mack

    Mack TPF Noob!

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    could you stitch up and down to make it better?
     
  4. D-50

    D-50 TPF Noob!

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    Lets say for the sake of argument I want to make a 4'x6' print I know this is huge but its for the sake of discussion. If I took a picture of a coke can in one frame I could nver blow it up this big without loosing a lot of resolution. I dont understand why taking 20 small picturs of different parts of the can and then stitching them together to make one image of the whole can would not increase the amount of pixels in the resulting image. If each image has 6 million pixels and there are twenty of them combined doesn't the resulting image have more or less 120 million pixels? If this is not the case why is it not? Consequently if the resulting image has 120million pixels why could I not blow it up to a larger size than I could a regular 6 megapixel shot without loosing resolution?
     
  5. Digital Matt

    Digital Matt alter ego: Analog Matt

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    It will most defintely increase the resolution. You are inceasing the number of pixels in the image. I have a panoramic shot of 4 photos stitched. The native resolution, that is, without enlarging it, is 4x the normal width (which is 3504 pixels) minus a few pixels on each side for overlap, and 2336 pixels high, for a total of something like 13000x 2336. If you took one wide angle shot of the scene and cropped it to a panoramic, you'd have a document that is 3504 pixels wide by probably 636 px high. You can see there is a huge resolution jump in the stitched shot.
     
  6. D-50

    D-50 TPF Noob!

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    Thanks Matt, Thats what I was thinking. I am looking to get a solid shot of Fruitlands in MA (its a place where me and my firiends would go to watch the sunset during the sumer while in HS) and blow it up pretty large. I dont want any resolution lose so I figure if I stitch multiple photos together I canget the desired result with my 6.1 mp D50. Can't wait to try it out.
     
  7. Digital Matt

    Digital Matt alter ego: Analog Matt

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    Good luck. Stitching is not as easy and perfect as you might think. Keep in mind the distortion you might be getting from your lens.
     
  8. Arch

    Arch Damn You! Staff Member Supporting Member

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    Oh i get what you mean now, yes multipul shots of a panaoramic compared to just one shot taken with a wide angle, would give you a better resolution thats right.
     
  9. D-50

    D-50 TPF Noob!

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    I found a program called Autostitch and it seems to work pretty well. I could not figure out how to do it in photoshop 7. Any suggestinos for other programs that would be useful. My IT guy is bringging me in a copy of some Microsoft imaging program that he says is good, maybe that can do it.
     
  10. Digital Matt

    Digital Matt alter ego: Analog Matt

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    I just use photoshop and do it myself. I didn't have much luck with stitching programs.
     
  11. Arch

    Arch Damn You! Staff Member Supporting Member

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    I'm not sure about other software, i use cs2. But just out of interest...how big are you thinking of going?...... what i was trying to get at with my previous statement is, if your going for A3 for example.... you may just be better off giving it some proccessing in PS and getting it printed....rather than the hastle of making sure you get correct exposures, without distortion and working out how to stitch them. A D50 can take an A3 print on without any problems.
     
  12. D-50

    D-50 TPF Noob!

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    I'm looking to get something 24"x36" maybe larger. If I can get good enough at creating seemless images through stitching and can get a stricking photo I would consider doing something along the lines of 3'x4' or even 4'X6' depending on the shot.
     

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