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To match your green cat story, here is a blue planet story[^] that just came out today. Made me chuckle. 
Mircea
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I've "patched" copies of old (family) photos that had tears and the like. Anything that can sample and fix pixels, and patience, will do the job. You supply the "ai". You get better and faster with a bit of practice. The hours fly by ...
"Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I
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No offence, but this reminded me of a recent incident where my brother-in-law brought over 2 printed documents complaining that his printer wasn't working correctly and the result was very light, faded-out print. He needed 4 copies of each and expected me to scan his documents and print them darker! 
That's worse than my introduction 10 years ago at a neighborhood function where a senior citizen said 'Oh, you're into computers huh?...then you can keep up with this.' and hands me two dozen pages of names/addresses/phone #/emails for the neighborhood, with handwritten corrections and notes in the margins, etc. I promptly threw it in the trash and haven't heard anything about it since.
Seriously though, the last time I used a graphics/photo editing software with a 'sharpening' tool/option it was an Adobe product. If I'm not mistaken, their stuff is all subscription based nowadays, but for a short time, it may be worth the cost.
"Go forth into the source" - Neal Morse
"Hope is contagious"
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Something called Remini claims to do that.
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Other topic.
Missing you in the daily Wordle posts, sir. Hope all is well.
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To be honest, I am not doing well healthwise.
I had a severe attack of COVID while visiting the US. While the medical treatment was good, the nursing care on weekends was abominable and I rushed back to India. On a return visit to the US in April 2023, I suddenly got another attack of COVID. Again, I returned to India for medical care.
It was determined that I now have Chronic Kidney Failure and I am undergoing dialysis three days a week.
This led me to re-assess my priorities and I just decided Wordle wasn’t one of them.
I am also undergoing physical therapy for contracture of the hamstring muscle in both legs which prevents me from standing erect or walking.
So that is the story of my life for the last nine months.
I am under the care of excellent physicians in modern hospitals equipped with all the latest devices so I cannot hope for better care. And it is sufficiently low in cost that I fund my medical treatment out of my own pocket rather than return to US and get treated free under Medicare.
modified 7-Jan-24 21:08pm.
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Please take care of your health sir. Regarding kidney failure, i had heard of some traditional Ayurvedic clinics in Wayanad - Kalpetta area of Kerala, offering Indian way of treatment, including yoga. Have you explored any of them. Maybe some lighter form of yoga can also help in the hamstring issue. (I had visited Wayanad as a tourist in 2016, and got to know of some of these specialized Ayurvedic clinics)
Aside, I was diagnosed with quite high diabetes in March 2021, and put on insulin shots for a couple of months. Thankfully no kidney or retina issue was found. Am now on a strict diet, with minimal medication, and regular yoga regimen, so that things are in control, and belly fat is reduced to near zero. Am on regular diabetic consultation (once in three/four months) with a famous chain of diabetologists in Southern India.
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for a start I find irfanview has some decent tools. It's image file viewer with tools.
irfanview.com
"A little time, a little trouble, your better day"
Badfinger
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I don't really know software for improving images, except or the general purpose Matlab. But I do have some suggestions for what techniques you might try:
Tikanov filtering
Canny Edge filtering
The periodicity also suggest 2D Fourier transformation with filtering and reconstruction
AI might help with some aspect
If there is text then OCR might work
Honestly you almost certainly will need to use multiple tecniques and combine them to get a satifactory result...
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thanks for the great info!
diligent hands rule....
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diligent hands rule....
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Sorry for the delayment, I was visiting my family and oldest friends and wanted to have a time off of my daily routine.
I just came back home a while ago.
First switch computer on since before X-mas.
Hope you all are fine and got right into the new year.
M.D.V. 
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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![Rose | [Rose]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/rose.gif)
diligent hands rule....
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... and you'll spend the next week or so trying to catch up with emails ...
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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that's monday, when I start working again... 
M.D.V. 
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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Happy New Year
"A little time, a little trouble, your better day"
Badfinger
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Happy New Year to you, as well, Nelek!
Will Rogers never met me.
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From CP newsletter
https://www.infoq.com/news/2024/01/mysql-javascript-procedures/[^]
MySQL (Oracle) is going to add JavaScript. So instead of using SQL.
The article has this bit of sage advice...
"enables developers to implement advanced data processing logic within the database. By minimizing data movement between the database server and client applications, stored functions and procedures can reduce latencies, network overhead, and egress costs"
That seems familiar ... hmmm ... Oh! I know! Same thing SQL already does.
Except that SQL is actually optimized to use the database.
This is no different really than moving a JavaScript server into the MySQL application space.
Oh sigh it gets even better. One suggestion...
"data formatting,"
Because of course that is the best place to format the data to be human readable.
But there is some relief - yeah!
"there is no support in the MySQL Community Edition."
The article does seem to suggest that the procs might be directly replaceable with the equivalent SQL. At least if they have enough sense initially to not make the database do what some other application should be doing instead.
Makes me wonder how many places that pay for Oracle the licensing fees are going to have employees that using JavaScript is going to be a good idea? I doubt DBAs are going to jump on this.
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jschell wrote: reduce latencies, network overhead, and egress costs
Definitely a worthwhile goal.
jschell wrote: Same thing SQL already does.
SQL Server? I use a lot of CLR (C#) functions in SQL Server for various parsing and formatting purposes which are not built-in.
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It could be worse. It could be Python.
"A little song, a little dance, a little seltzer down your pants"
Chuckles the clown
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