Creating wall sized prints

Wall Sized PrintDefying conventional wisdom, we printed a wall-sized picture of the Golden Gate Bridge.

When Boris contacted me 3 months ago, he sounded desperate.  He had a special request and not much hope of getting it met. Boris wanted to have a wall-sized print of one of my pictures. He wanted to print one of the pictures he found on this website at 128x100 inches. At first, I was puzzled and I asked him to confirm his request. I guessed that he was German, so I translated his request into metric units for confirmation.

After confirmation, I suggested some of my large-scale stitched images as an alternative solution, but Boris knew exactly what he wanted and stayed firm in his request. I therefore discussed the potential outcome of resizing the desired image with him. We quickly dismissed the possibility of re-taking the shot, due to the cost and the unknown outcome. Atmospheric conditions in San Francisco are not predictable.

We focused on the more predictable issue of upsizing the original image and on print quality. After explaining that even an 8.2MP file of the Canon 20D is several times larger than the highest HDTV resolution, we concluded that it has to look better at those giant dimensions too. You need to see a 72” HDTV at full resolution to know how good these look at 2 Megapixels (1080p).

A good-looking result was also our goal. Boris had already found a specialist in large-scale printing and left it to them and me to figure out the potential of success. I suggested working with CCS Digital on a test print, a slice of the upsized image at full resolution.

After experimenting a bit with different upsizing methods, we settled on a result that Boris ordered from CCS for review. One week later, I had the order filled. Gaining a better understanding of the limits of printing, satisfying a customer and my own curiosity made it a worthwhile effort.

I asked Boris for a picture of the result and permission to write this article.

 

That's rather nice and adds

That's rather nice and adds another dimension to a small room.

The right image could make the room much bigger and brighter too. Got me thinking of an idea for my small home=office ..

Very Nice

I would love to see the specifics of how it was upsized, which algorithm was used, and the printing process. With the advent of 10mp consumer SLRs, most of us are unfamiliar with how to upsize on such a scale. Currently in the US, just getting a 36x24 is quite difficult, a workflow and suggested printers would be fabulous.

John

I tried many algorithms, but the picture that looked best was upsized with a simple procedure like this:
-Upsize to 120% of the final size in Photoshop using Bicubic smoother interpolation
-Downsize to the final resolution in Photoshop using Bicubic sharper
Sometimes sophisticated procedures aren’t the best.
I will get some more information on the printing process and maybe a price list.

Impressive

Since I use a 20D also, I would be very interested in your workflow to do this shot, and some suggested printers.....Maybe a tutorial????

Thanks Andre

Thank you! I look forward to seeing that

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