DPReview.com is closing April 10th - Find out more

Tale of a Lost 300D Photo and AI Uprezzing

Started Mar 25, 2021 | Discussions
Henry Richardson Forum Pro • Posts: 21,959
Tale of a Lost 300D Photo and AI Uprezzing
5

All the recent talk about Adobe Super Resolution, Gigapixel AI, etc. has got me to thinking about a May 2005 photo that I lost that has always given me some pain. Since January 2000 when I got my first digicam the only photos I have lost are all the ones I took in May 2005. It was only about 50 and I didn't even discover that I had lost them until about a year later when I noticed that my carefully created folder of OOC photos that contained subfolders for the year and month was missing the May 2005 folder. I recall that I had been having problems with my computer in May 2005 and after trying everything I could think of to fix it, searching on the internet, asking about it on a PC forum, etc. I finally decided to do a clean install of WinXP. I very carefully (I thought!) ensured everything was backed up, had all my software CDs to reinstall my programs, etc. I then did the clean install, but it didn't fix the problem. Apparently my careful backup somehow missed the May 2005 photo folder though. After I discovered the loss the sting was even greater because the clean install of WinXP had all been for nothing.

I generally take the photos I like the best, prepare them, and put them on my photo website. I looked at those photos and discovered that there was only one photo from May 2005 that I had judged was worth putting up so I felt relieved that I apparently didn't lose a bunch of good photos. The trouble was that the one photo is a photo I like a lot. All I have is a 640x507 pixel jpeg version of that photo that I took with my 6.3mp Canon 300D that made 3072x2048 pixel files. I had apparently cropped it a bit, possibly made some small adjustments, and used a bit of unsharp mask before resizing, and saving a medium quality jpeg for the website. In those days I was using Paint Shop Pro X. The small jpeg I have has no EXIF since PSP X would strip it off when you saved. Basically this is almost a worst case scenario for trying to sort of save a photo.

Yesterday I tried taking that tiny 640x507 pixel jpeg and doing the following:

  1. Photoshop Preserve Details 2.0 to increase the size to 2560x2028 pixels in one go.
  2. Photoshop Preserve Details 2.0 to increase the size to 2560x2028 pixels in 2 steps: 1280x1014 and then 2560x2028.
  3. Photoshop Super Resolution to increase the size to 2560x2028 pixels in 2 steps: 1280x1014 and then 2560x2028.
  4. Photoshop Super Resolution and Preserve Details 2.0 to increase the size to 2560x2028 pixels in 2 steps: SR 1280x1014 and then PD2.0 2560x2028.
  5. Photoshop Preserve Details to increase the size to 2560x2028 pixels in one go.
  6. Photoshop Bicubic Smoother to increase the size to 2560x2028 pixels in one go.

I judged that 1, 2, 3, and 4 were pretty similar and that 5 and 6 were clearly worse. I decided that 1 was probably the best though.

Last night while searching for some more info I saw someone saying that some of the online AI photo enlargers do a better job than Photoshop Super Resolution so this morning I used one of them to make the photo 2560x2028 pixels. I decided that for this particular photo it was better. I think it would probably make an okay 8x10 even -- maybe -- as long as you aren't viewing it at an unnaturally close distance. I think I would add some grain in Lightroom to give a bit more texture though. The uprezzed files all have a bit too much smoothness to them. I imported the new 2560x2028 file into Lightroom and here it is at 800x634. He is just hanging around in Vancouver, British Columbia:

Canon 300D + Sigma 18-125mm f3.5-5.6

My understanding, which may be wrong, is that resizing algorithms such as bicubic, Lanczos, etc. try to interpolate to a larger size by keeping the same details as in the original, but making everything bigger and trying to maintain smoothness without pixelation. Most will remember Genuine Fractals that was popular around 20 years ago when we had 1-5mp digital cameras. My understanding is that it tried to actually create new details as it made the photo larger to make it look more natural. I recall that, I think, Nikon at a trade show had a big poster (1-2 meters) made from one of their 3mp digicams (Nikon Coolpix 990) that had been resized using Genuine Fractals. Maybe it was an eagle or something else. Anyway, it impressed many people and there was lots of talk on dpreview at the time. Now these new AI algorithms apparently do this even better.

Personally, I don't have much use for this stuff to make my 20mp and 16mp photos even bigger. But thinking about it some yesterday I remembered this old 2005 photo that I felt such regret that I had lost the original. I also have some 1.3mp Olympus D-340R (bought in January 2000) photos that my wife took using the 640x480 mode -- despite me always telling her to only use the full 1280x960 mode -- old photos of family and friends that are just 640x480. I plan to see what the AI resizing can do for some of them. Also, some old photos made with 2-6mp cameras that I had cropped might benefit.

-- hide signature --

Henry Richardson
http://www.bakubo.com

Canon EOS 300D (EOS Digital Rebel / EOS Kiss Digital)
If you believe there are incorrect tags, please send us this post using our feedback form.
benjilafouine Veteran Member • Posts: 3,875
Re: Tale of a Lost 300D Photo and AI Uprezzing
1

I am using topaz AI software and I know they have a AI gigapixel app. I have never used it however. Pixelmator photo pro on the iPad also have a ML upscale. I have been using Pixelmator ml and it works but I would definitely look at topaz in your case.

-- hide signature --

Regards,
There is always something to shoot/snap, you just have to know how to do it and have the right gear.
Benji

 benjilafouine's gear list:benjilafouine's gear list
Canon PowerShot S5 IS Canon PowerShot SX110 IS Panasonic Lumix DMC-FZ35 Canon PowerShot G16 Canon EOS 40D +12 more
seri_art
seri_art Veteran Member • Posts: 3,063
Re: Tale of a Lost 300D Photo and AI Uprezzing
1

Which online service did you use? I recently tried letsenhance.io and found it quite a bit better than uprezzing in Photoshop.

 seri_art's gear list:seri_art's gear list
Sony RX100 III Canon EOS Rebel T7i Canon EF 40mm f/2.8 STM Canon EF-S 18-55mm f/3.5-5.6 IS STM Canon EF-S 55-250mm f/4-5.6 IS STM +3 more
OP Henry Richardson Forum Pro • Posts: 21,959
online AI photo uprezzing
2

seri_art wrote:

Which online service did you use? I recently tried letsenhance.io and found it quite a bit better than uprezzing in Photoshop.

I just did a quick search and then clicked on the first link:

https://imglarger.com/

I just now searched again and found this article:

https://topten.ai/image-enlargers-review/

-- hide signature --

Henry Richardson
http://www.bakubo.com

seri_art
seri_art Veteran Member • Posts: 3,063
Re: online AI photo uprezzing
1

Henry Richardson wrote:

seri_art wrote:

Which online service did you use? I recently tried letsenhance.io and found it quite a bit better than uprezzing in Photoshop.

I just did a quick search and then clicked on the first link:

https://imglarger.com/

I just now searched again and found this article:

https://topten.ai/image-enlargers-review/

You used the #1 in that list and I used #2. In their review of #1 (ImgLarger), it says the max resolution is 2000x2000 pixels, which to me is way too small to enlarge photos from a modern digital camera. The #2 (Let’s Enhance) has no such restriction. And for very occasional users (like me), it has a non-subscription plan where you just pay a few $ (one time) and get credits to use at any time.

 seri_art's gear list:seri_art's gear list
Sony RX100 III Canon EOS Rebel T7i Canon EF 40mm f/2.8 STM Canon EF-S 18-55mm f/3.5-5.6 IS STM Canon EF-S 55-250mm f/4-5.6 IS STM +3 more
OP Henry Richardson Forum Pro • Posts: 21,959
Re: Tale of a Lost 300D Photo and AI Uprezzing
1

benjilafouine wrote:

I am using topaz AI software and I know they have a AI gigapixel app. I have never used it however. Pixelmator photo pro on the iPad also have a ML upscale. I have been using Pixelmator ml and it works but I would definitely look at topaz in your case.

I think there is a free trial of Gigapixel AI.  Maybe I will try it out.

I suppose most of us have old, small JPEGs and for a few favorite photos it can maybe be useful to enlarge them a bit.  Not as good, of course, as having original larger ones, but better than having little ones.

-- hide signature --

Henry Richardson
http://www.bakubo.com

OP Henry Richardson Forum Pro • Posts: 21,959
input max 2000x2000 pixels
1

seri_art wrote:

You used the #1 in that list and I used #2. In their review of #1 (ImgLarger), it says the max resolution is 2000x2000 pixels, which to me is way too small to enlarge photos from a modern digital camera. The #2 (Let’s Enhance) has no such restriction. And for very occasional users (like me), it has a non-subscription plan where you just pay a few $ (one time) and get credits to use at any time.

Yes, for the free online service the input file maximum is 2000x2000 pixels. You may recall that I wrote that my JPEG is 640x507 pixels. So for the free service 8000x8000 is maximum output.

-- hide signature --

Henry Richardson
http://www.bakubo.com

OP Henry Richardson Forum Pro • Posts: 21,959
Did some more experimentation
1

Henry Richardson wrote:

Personally, I don't have much use for this stuff to make my 20mp and 16mp photos even bigger. But thinking about it some yesterday I remembered this old 2005 photo that I felt such regret that I had lost the original. I also have some 1.3mp Olympus D-340R (bought in January 2000) photos that my wife took using the 640x480 mode -- despite me always telling her to only use the full 1280x960 mode -- old photos of family and friends that are just 640x480. I plan to see what the AI resizing can do for some of them. Also, some old photos made with 2-6mp cameras that I had cropped might benefit.

Over the last few days I have experimented some more with small photos and resizing using Photoshop Preserve Details 2.0 and the online photo resizer I mentioned above doing 4x enlargements. This is in addition to the old Canon 300D photo in my original post. Here are the photos I have tried already:

  • 3 - 640x480 JPEGs from Olympus D-340R taken in 2000
  • 1 - 562x456 JPEG from scanned Fujichrome 100 slide film
  • 1 - 812x544 JPEG from scanned Fuji Superia 200 negative film
  • 1 - 798x552 JPEG from scanned Fuji Superia 200 negative film

Using Preserve Details 2.0 I adjusted the Reduce Noise slider to try to balance detail vs. noise and I added a bit of Smart Sharpen also. In all cases the online version was better though. I wish Photoshop could do at least as good a job. I wonder if the online site is using software they wrote themselves or some commercial software such as Gigapixel AI?

-- hide signature --

Henry Richardson
http://www.bakubo.com

Sue Anne Rush
Sue Anne Rush Senior Member • Posts: 6,285
Re: Tale of a Lost 300D Photo and AI Uprezzing
1

These are very nicely done - thank you for sharing. 

Henry Richardson wrote:

All the recent talk about Adobe Super Resolution, Gigapixel AI, etc. has got me to thinking about a May 2005 photo that I lost that has always given me some pain. Since January 2000 when I got my first digicam the only photos I have lost are all the ones I took in May 2005. It was only about 50 and I didn't even discover that I had lost them until about a year later when I noticed that my carefully created folder of OOC photos that contained subfolders for the year and month was missing the May 2005 folder. I recall that I had been having problems with my computer in May 2005 and after trying everything I could think of to fix it, searching on the internet, asking about it on a PC forum, etc. I finally decided to do a clean install of WinXP. I very carefully (I thought!) ensured everything was backed up, had all my software CDs to reinstall my programs, etc. I then did the clean install, but it didn't fix the problem. Apparently my careful backup somehow missed the May 2005 photo folder though. After I discovered the loss the sting was even greater because the clean install of WinXP had all been for nothing.

I generally take the photos I like the best, prepare them, and put them on my photo website. I looked at those photos and discovered that there was only one photo from May 2005 that I had judged was worth putting up so I felt relieved that I apparently didn't lose a bunch of good photos. The trouble was that the one photo is a photo I like a lot. All I have is a 640x507 pixel jpeg version of that photo that I took with my 6.3mp Canon 300D that made 3072x2048 pixel files. I had apparently cropped it a bit, possibly made some small adjustments, and used a bit of unsharp mask before resizing, and saving a medium quality jpeg for the website. In those days I was using Paint Shop Pro X. The small jpeg I have has no EXIF since PSP X would strip it off when you saved. Basically this is almost a worst case scenario for trying to sort of save a photo.

Yesterday I tried taking that tiny 640x507 pixel jpeg and doing the following:

  1. Photoshop Preserve Details 2.0 to increase the size to 2560x2028 pixels in one go.
  2. Photoshop Preserve Details 2.0 to increase the size to 2560x2028 pixels in 2 steps: 1280x1014 and then 2560x2028.
  3. Photoshop Super Resolution to increase the size to 2560x2028 pixels in 2 steps: 1280x1014 and then 2560x2028.
  4. Photoshop Super Resolution and Preserve Details 2.0 to increase the size to 2560x2028 pixels in 2 steps: SR 1280x1014 and then PD2.0 2560x2028.
  5. Photoshop Preserve Details to increase the size to 2560x2028 pixels in one go.
  6. Photoshop Bicubic Smoother to increase the size to 2560x2028 pixels in one go.

I judged that 1, 2, 3, and 4 were pretty similar and that 5 and 6 were clearly worse. I decided that 1 was probably the best though.

Last night while searching for some more info I saw someone saying that some of the online AI photo enlargers do a better job than Photoshop Super Resolution so this morning I used one of them to make the photo 2560x2028 pixels. I decided that for this particular photo it was better. I think it would probably make an okay 8x10 even -- maybe -- as long as you aren't viewing it at an unnaturally close distance. I think I would add some grain in Lightroom to give a bit more texture though. The uprezzed files all have a bit too much smoothness to them. I imported the new 2560x2028 file into Lightroom and here it is at 800x634. He is just hanging around in Vancouver, British Columbia:

Canon 300D + Sigma 18-125mm f3.5-5.6

My understanding, which may be wrong, is that resizing algorithms such as bicubic, Lanczos, etc. try to interpolate to a larger size by keeping the same details as in the original, but making everything bigger and trying to maintain smoothness without pixelation. Most will remember Genuine Fractals that was popular around 20 years ago when we had 1-5mp digital cameras. My understanding is that it tried to actually create new details as it made the photo larger to make it look more natural. I recall that, I think, Nikon at a trade show had a big poster (1-2 meters) made from one of their 3mp digicams (Nikon Coolpix 990) that had been resized using Genuine Fractals. Maybe it was an eagle or something else. Anyway, it impressed many people and there was lots of talk on dpreview at the time. Now these new AI algorithms apparently do this even better.

Personally, I don't have much use for this stuff to make my 20mp and 16mp photos even bigger. But thinking about it some yesterday I remembered this old 2005 photo that I felt such regret that I had lost the original. I also have some 1.3mp Olympus D-340R (bought in January 2000) photos that my wife took using the 640x480 mode -- despite me always telling her to only use the full 1280x960 mode -- old photos of family and friends that are just 640x480. I plan to see what the AI resizing can do for some of them. Also, some old photos made with 2-6mp cameras that I had cropped might benefit.

-- hide signature --

Sue Anne Rush

 Sue Anne Rush's gear list:Sue Anne Rush's gear list
Canon PowerShot G9 Panasonic Lumix DC-FZ1000 II Canon PowerShot Zoom Canon EOS 7D Canon EOS Rebel T7 +4 more
OP Henry Richardson Forum Pro • Posts: 21,959
Small JPEGs & TIFFs
2

Sue Anne Rush wrote:

These are very nicely done - thank you for sharing.

You are welcome. For some people being able to enlarge a big raw file to make it even bigger is very interesting, but I rarely need or want to do that. For me what is interesting is being able to enlarge old, small JPEGs and TIFFs. Of course, the result is not as good as if I had an original, big file, but I imagine all of us have some old files that are small. Some we may have taken ourselves, some may have been sent to us by friends and family.

As I said earlier, in January 2000 I bought a 1.3mp Olympus D-340R just to play around with this new digital thing. I always shot at full-size, best quality JPEGs. My wife would often use it too though because I was mostly still shooting film with my SLR in those days. Even though I repeatedly asked her to not reduce the photo size she would often do it anyway. She took some good family and friend photos that are only 640x480.

I am surprised and disappointed that my expensive Photoshop can't do nearly as well as a free online service though.

-- hide signature --

Henry Richardson
http://www.bakubo.com

OP Henry Richardson Forum Pro • Posts: 21,959
Update: Gigapixel AI
2

Henry Richardson wrote:

I generally take the photos I like the best, prepare them, and put them on my photo website. I looked at those photos and discovered that there was only one photo from May 2005 that I had judged was worth putting up so I felt relieved that I apparently didn't lose a bunch of good photos. The trouble was that the one photo is a photo I like a lot. All I have is a 640x507 pixel jpeg version of that photo that I took with my 6.3mp Canon 300D that made 3072x2048 pixel files. I had apparently cropped it a bit, possibly made some small adjustments, and used a bit of unsharp mask before resizing, and saving a medium quality jpeg for the website. In those days I was using Paint Shop Pro X. The small jpeg I have has no EXIF since PSP X would strip it off when you saved. Basically this is almost a worst case scenario for trying to sort of save a photo.

Canon 300D + Sigma 18-125mm f3.5-5.6

I tried this 640x507 photo using Gigapixel AI 5.5.1. I enlarged 4x to match what I did using the other methods. Fortunately, I still have the folder with the results. With Gigapixel I tried Standard, Lines, Low Resolution, and Very Compressed using Auto. Then I tried adjusting myself. In all cases the results are not as good as the free online place. So, the free online is still the best, but Gigapixel AI Standard is next. Frankly, I am surprised.

I had wondered if the free online place was actually using Gigapixel AI to do the uprez, but it looks like they have their own software and it is superior (at least for this small photo).

-- hide signature --

Henry Richardson
http://www.bakubo.com

OP Henry Richardson Forum Pro • Posts: 21,959
Gigapixel AI 5.5.1 timing
1

My Dell laptop has an i7-8565u, Nvidia Geforce MX250 2gb, Intel UHD 620, 32gb ram, 512gb ssd. In the preferences I selected high for the allowed memory consumption. I let Gigapixel AI download the AI models and then timed the 4x uprez and save to a jpeg using the various choices in the preferences (Standard AI model):

  • cpu - 20 seconds
  • Nvidia - 15 seconds
  • Intel - 8 seconds
  • all gpus - 14 seconds

I was pretty surprised that the Intel gpu was the fastest.

-- hide signature --

Henry Richardson
http://www.bakubo.com

OP Henry Richardson Forum Pro • Posts: 21,959
More timings
2

What really matters to me is how long it takes to update the screen. How long it takes to render and save to my drive is less important. So, I redid the Gigapixel AI 5.5.1 timings of the 640x507 pixel JPEG uprezzed 4x using the Standard AI model. Here are how many seconds it took (I first let it download the appropriate AI models before checking the times). In the preferences I selected high for the allowed memory consumption.

  • cpu 5
  • nvidia 5
  • intel 3
  • all gpus 4

Somewhat surprisingly the Intel GPU is fastest for this.

My Dell laptop has an i7-8565u, Nvidia Geforce MX250 2gb, Intel UHD 620, 32gb ram, 512gb ssd.

-- hide signature --

Henry Richardson
http://www.bakubo.com

OP Henry Richardson Forum Pro • Posts: 21,959
Gigapixel vs PS Preserve Details 2.0 vs free online
4

I started a new thread with some examples comparing various uprez methods using a different JPEG that you can download and try yourself:

Gigapixel vs PS Preserve Details 2.0 vs free online

https://www.dpreview.com/forums/post/65116072

-- hide signature --

Henry Richardson
http://www.bakubo.com

OP Henry Richardson Forum Pro • Posts: 21,959
Re: Gigapixel vs PS Preserve Details 2.0 vs free online
1

Henry Richardson wrote:

I started a new thread with some examples comparing various uprez methods using a different JPEG that you can download and try yourself:

Gigapixel vs PS Preserve Details 2.0 vs free online

https://www.dpreview.com/forums/post/65116072

In the case of the JPEG in the link above the free online uprez was best and better than Gigapixel, but they were close. In the case of the Vancouver JPEG in my OP though the free online uprez was better than Gigapixel by a greater amount.

-- hide signature --

Henry Richardson
http://www.bakubo.com

Keyboard shortcuts:
FForum MMy threads