What is Gamma Correction? - Video Tech Explained

  Рет қаралды 81,919

Video Tech Explained

Video Tech Explained

4 жыл бұрын

Hi all! This is a new style of content I haven't done before, please let me know what you think in the comments!
I'm planning a few more videos in this style.
== Links ==
Support me: / videotechexplained
My portfolio: camoncrocker.com

Пікірлер: 159
@Callmedstone
@Callmedstone Жыл бұрын
I cannot imagine how much work went into researching and condensing all of this. Thank you for doing this. Dope explanation. It’s surprisingly hard to find comprehensive information on this topic. You have the magic touch!
@entropydefined2651
@entropydefined2651 2 жыл бұрын
This was the most concise and understandable explanation of what gamma actually is and does. Thank you for not over complicating it!
@adityams1659
@adityams1659 2 жыл бұрын
*Someone get this dude a medal!*
@zhenkunwang2827
@zhenkunwang2827 Ай бұрын
Thank you so much! that explained everything. My understanding is 1. Human eye's light sensitivity is lower than that of the camera's. (ex. 50% light in camera is about 25% in human eye) 2. Gamma Correction, is a process that uses a mathematical model to match the digital screen light levels to that of the human eye's. 3. As the result, Gamma correction evenly distribute the light level across a digital screen which appears to be natural lighting to the human eye.
@jarkkolaiho462
@jarkkolaiho462 4 жыл бұрын
Very well done. Every other gamma curve explanation I've seen has neglected some aspect (capture tech, display tech, human eyesight) of the gamma curve topic, so definitely learned some new stuff here today.
@Daniel_WR_Hart
@Daniel_WR_Hart Жыл бұрын
One of them made a graph and got the x and y axes mixed up lol
@petermeinhart3735
@petermeinhart3735 7 ай бұрын
your work is insane, I'm in this rabbit hole for quite a while and your videos help so much!
@EliasReda
@EliasReda 3 жыл бұрын
Great job explaining it, this is probably the only video I watched that knew how to explain it with important details without getting lost in them.
@walterarlenhenry
@walterarlenhenry 3 жыл бұрын
This is an extremely helpful, and remarkably well-constructed lesson. I confess to having been confused about this subject in the past, and now it is making sense to me. Looking forward to watching more of your stuff.
@beautyadvocate
@beautyadvocate 2 жыл бұрын
Amazing video. This was the first straight forward, yet still in depth explanation I’ve heard. This was beyond helpful. Thank you.
@subaquariamusic
@subaquariamusic 3 жыл бұрын
You're clearly very knowledgeable on this subject and are great at explaining the technical aspects in an understandable way. Just learned a lot. Thank you!
@alish2001
@alish2001 Жыл бұрын
I've learned SO SO much from this singular video. Amazing job man.
@xxhamedxx01
@xxhamedxx01 2 жыл бұрын
I barely get overwhelmed! But this video is pure gold! Very well explained! And you my man, you have a bright future in front of you cause you can't explain things that properly unless you have both the knowledge and intelligence!
@InvisageStudios
@InvisageStudios 3 жыл бұрын
Another great explaination! You have a gift of simplifying complex things. Great work
@danrpalmer
@danrpalmer 2 жыл бұрын
I almost never comment on videos but I couldn't not do so here. This is one of the best tutorial videos I've ever seen breaking down a complex, somewhat esoteric topic into an understandable format to folk who have little or no prior experience in the domain. You've earned yourself a subscriber, and if you have a link to send a few bucks to you or a charity of choice, please feel free to reply with a link. Thanks for this superb content.
@celes123ovo
@celes123ovo Жыл бұрын
Great job! I haven't known well about Gamma correction, and this helped me learn from fundamental scratch. Thanks!
@VeranoggaSystems
@VeranoggaSystems 3 жыл бұрын
This was awesome, keep up the good work!
@danipe1998
@danipe1998 3 жыл бұрын
Hey. This is a easy understandable well made video. Thank you for explaining me a problem i had never looked for.
@yeahright5663
@yeahright5663 Жыл бұрын
Such a well-thought-out script. Brilliant video!
@flyingkri
@flyingkri 2 жыл бұрын
Very nicely structured and informative! Thanks!
@averinmarkstroem8577
@averinmarkstroem8577 4 жыл бұрын
Great job dude! Watched maybe a dozen videos on the topic and this was by far the beat one! :) keep up the great work
@iComplainer
@iComplainer 4 жыл бұрын
Same avid KZfaq watchers here. Gerald Undone value or better right here. Subscribed.
@ryorye
@ryorye 2 жыл бұрын
Best explanation I've seen so far! Subscribed!
@99SBX
@99SBX Жыл бұрын
I agree. Subscribed!
@DrTexx
@DrTexx 2 жыл бұрын
Excellent video, really well broken down and executed too. Thank you!
@ScottConverse
@ScottConverse 4 жыл бұрын
Well done! More please.
@jleocarmo
@jleocarmo Жыл бұрын
Fantastic video, congrats!
@farkasszakal
@farkasszakal 10 ай бұрын
Awesome. Pure gold information, very-well captured. Thank you!🙏
@jacjacmtl
@jacjacmtl Жыл бұрын
That's the best video about Gamma correction I've ever seen. Very good job!
@seth.
@seth. 4 жыл бұрын
Nice job man! This was a fantastic video.
@Debrugger
@Debrugger 2 жыл бұрын
Really good stuff, glad I found your channel!
@stevebarlow
@stevebarlow 2 жыл бұрын
Bravo! Been trying to make sense of gamma curves and this helped a lot. Thanks 😊
@eggs-benny
@eggs-benny Жыл бұрын
awesome video, thanks for explaining!
@NibuThomson
@NibuThomson Жыл бұрын
Appreciating your efforts👏👏👏
@JL-vk1rs
@JL-vk1rs 2 жыл бұрын
fantastic video man, keep them coming!
@goemmer
@goemmer 3 жыл бұрын
Thanks for the best gamma-correction-explanation on youtube!
@dougkruse3766
@dougkruse3766 3 жыл бұрын
Great info, and very well done. Should be way more views.
@RuminInLove
@RuminInLove Жыл бұрын
Awesome video, got more here in 8 minutes than I ever could in hours on various forums talking about gamma.
@loicleray
@loicleray Жыл бұрын
Thank you for making such an informative and succinct video. Much appreciated!
@shnake_case
@shnake_case 2 жыл бұрын
Thanks for great explanation! I think I am your 1000th subscriber 😊
@dreaminmc2
@dreaminmc2 3 жыл бұрын
Best explanation I've seen so far
@glenwoodfin
@glenwoodfin Жыл бұрын
Thank you! I had no idea what gamma correction was; now I'm starting to understand its application.
@rajatbanerjee3413
@rajatbanerjee3413 4 ай бұрын
Splendid...keep up the good work
@georgecatterton5598
@georgecatterton5598 3 жыл бұрын
Amazing work! I wish I could thank you more!
@cassandra101ism
@cassandra101ism 2 жыл бұрын
Great information!! Thanks for an awesome video!
@daftstuff6406
@daftstuff6406 10 ай бұрын
great concise explanation of this complex topic. thanks again.
@K-Visuals
@K-Visuals 3 жыл бұрын
Thanks for making this! This was very informative for me :)
@mccafga
@mccafga Жыл бұрын
Excellent video, thank you
@NickGoldston
@NickGoldston 3 жыл бұрын
Extraordinary job. Thank you
@florubenberger
@florubenberger Жыл бұрын
That was a wonderful explanation - thank you very much!
@computate.d9140
@computate.d9140 2 жыл бұрын
Thanks! Very helpful video!
@ravensatodds
@ravensatodds 2 жыл бұрын
Great explanation mate 👍🏼
@MrTerryRay1
@MrTerryRay1 3 жыл бұрын
Thanks for this explanation. Now this whole area of gamma makes sense.
@kencritchley5546
@kencritchley5546 3 жыл бұрын
Thanks for the great info. Well done.
@ianharper6015
@ianharper6015 Жыл бұрын
An excellent video. Thank you.
@mcarril
@mcarril 3 жыл бұрын
Great video! Good job!
@sightlessghost289
@sightlessghost289 2 жыл бұрын
Underrated creator, this video was amazing my man.
@Gam3rKillz
@Gam3rKillz 2 жыл бұрын
Your videos are so good, thank you
@masoomehtanghatari8750
@masoomehtanghatari8750 3 жыл бұрын
So great and informative video. Thank you so much
@JohnMoran
@JohnMoran 9 ай бұрын
This was super interesting, and something I look all over for.
@Haligonian
@Haligonian 2 жыл бұрын
Awesome video! Thanks
@priesjensen
@priesjensen 4 жыл бұрын
Great video! Keep going :D
@QZ_AU
@QZ_AU 3 жыл бұрын
Great video!!! I always ignore gamma in making videos. Your video explains it well!
@mevsimpossible2
@mevsimpossible2 Жыл бұрын
Really enjoyed this video
@mariahezra
@mariahezra 2 жыл бұрын
This was so helpful! Thanks so much!
@richzhart2374
@richzhart2374 2 жыл бұрын
Im really impressed! thanks for the explanation
@robmaric
@robmaric 2 жыл бұрын
This was amazing. Thank you!
@goemmer
@goemmer 3 жыл бұрын
I have the feeling that you could get a great KZfaqr. Keep making those videos! Greetings from Switzerland.
@calmetosis
@calmetosis 2 жыл бұрын
Good stuff, Thank you!
@ddddddddd9417
@ddddddddd9417 6 ай бұрын
Great explanation buddy. You are talented
@camryhsalem5139
@camryhsalem5139 3 жыл бұрын
You explain Very complex subject in an excellent way you are talented Man
@egjundis
@egjundis 2 жыл бұрын
Thank you!!! Now I finally feel like Gamma vs. Linear make sense.
@user-du3vo8hd1j
@user-du3vo8hd1j Жыл бұрын
Thank you vey much, this video helped me a lot!
@calogiga
@calogiga 3 жыл бұрын
Thanks for this explanation. It was very helpful.
@marcosmartin7487
@marcosmartin7487 2 жыл бұрын
I have learned a lot from this video. Thank you!
@constantinasay2095
@constantinasay2095 2 жыл бұрын
loved it, please do more like this content
@FirstnameLastname-xo3tq
@FirstnameLastname-xo3tq 2 жыл бұрын
Excellent. Thank you.
@jannespollet4830
@jannespollet4830 2 жыл бұрын
Thank you, explained very well!
@7guitarlover
@7guitarlover 2 жыл бұрын
this is so awesome ! thanks buddy !
@daracascansani
@daracascansani 2 жыл бұрын
Thanks a lot! Very well explained... :)))
@valerievnaa
@valerievnaa Жыл бұрын
Thank you for explanation!
@user-tm3yj8gg6p
@user-tm3yj8gg6p 2 жыл бұрын
Great explanation
@gespertino
@gespertino Жыл бұрын
Hi. I love your videos, you put a lot of work on them and they are very concise and informative. However, there is a fundamental mistake in this one you probably might want to revisit. Gamma correction is a curve applied to "cancel" the curve from a gamma-encoded image. Our non-linear perception is the reason for the encoding, not the correction. We want to see the images in ratios as close to the ratios present in the capture image as possible. And that means that our eyes will have to receive light in the same ratios the camera "saw". If all digital images were 32-bit float images, gamma correction wouldn't exist, as cameras would capture and store linearly, and displays shouldn't have to apply any curve to them. But since we're still using 8-bit integer images a lot, computers need a way to store them in that precision. Linear won't cut it, because of our non-linear perception: our eyes are more sensitive to shadows, and 128 levels of brightness for the darker parts of the image won't be enough to represent a smooth gradient, you'll se a lot of banding. So, images have to be accommodated to allocate more bitdepth for the shadows, leaving less precision for lighter parts, the ones we have less sensitiity to. That's gamma encoding, and that's the bending gamma correction cancels. You have all the pieces there in your video, but the leading idea is unfortunately wrong
@gespertino
@gespertino Жыл бұрын
And to address the question: "why linear images look wrong when displayed directy" that most of the people reading this might have at this point, the answer is simple: Monitors are applying a gamma-correction automatically, but since the images not gamma-encoded (when you dump linear to the display) you end up looking at a non-linear image.
@smit17xp
@smit17xp 2 жыл бұрын
amazing explanation. Thanks
@agustinlawtaro
@agustinlawtaro 3 жыл бұрын
Great video!
@hunter8980
@hunter8980 2 жыл бұрын
Very genius! Very impressive! Thanks!
@GhaithAshkar
@GhaithAshkar Жыл бұрын
wonderfull , that is the most ever best explaning i've been see
@anomalyp8584
@anomalyp8584 4 жыл бұрын
Nice job dude!
@mickysingh483
@mickysingh483 3 жыл бұрын
Great explanation, keep it up 👍 👏
@adomdarojat3074
@adomdarojat3074 2 жыл бұрын
very well done
@lahiru3908
@lahiru3908 2 жыл бұрын
Damn straight to the point. Love
@michaelzhang2532
@michaelzhang2532 3 жыл бұрын
Great Job! Thanks!
@jonathanniakale4226
@jonathanniakale4226 Ай бұрын
You are a Hero brother.
@dillonkellerman2549
@dillonkellerman2549 Жыл бұрын
Thank you VERY much.
@cb7pwn
@cb7pwn 2 жыл бұрын
why do all tech guys wear the EXACT same glasses...
@sajolsajol8393
@sajolsajol8393 Жыл бұрын
Bro! Thank You>>>
@PopeDope69-420
@PopeDope69-420 3 жыл бұрын
Hey man, love the video. I’d love to know what kinds of books or even textbooks you read to learn this stuff. Any chance you could let me know a few titles? :)
@ashishjatiani3356
@ashishjatiani3356 9 ай бұрын
Thanks a lot!
@roberttrisca8210
@roberttrisca8210 2 жыл бұрын
Thank you.
@JOHAN_PERJUS
@JOHAN_PERJUS 2 жыл бұрын
ERRATA: Adding ONE light, as in the example, does not DOUBLE the amount of light (or photons) hitting the paper, this is because of something called the inverse square law. In order to DOUBLE the amount of photons it would require adding THREE additional lights. Please correct me if I am wrong. Otherwise, thank you for a very well explained video on Gamma curves. Kudos for the 4K upload as well!
@VideoTechExplained
@VideoTechExplained 2 жыл бұрын
I'm not sure how the inverse square law applies in this case. In my demonstration, I'm assuming the two lights are perfectly pointed at the exact same spot, in which case there would be twice as many photons reflecting off of that point. Granted, the alignment wasn't actually perfect in my practical demonstration, but the point still holds. If you take two identical sources of light and point them at the same spot, there will be twice as many photons reflecting off of it as there would be if there was only a single light source. However, while the number of photons is doubled, our eyes don't *perceive* the spot as being twice as bright
@JBGau
@JBGau 2 жыл бұрын
You are good! Thx
@AlexUdilov
@AlexUdilov 2 жыл бұрын
Thx man! It is very
@user-ej1yx2iy9z
@user-ej1yx2iy9z Жыл бұрын
thank you
@gopalprajapat5057
@gopalprajapat5057 Жыл бұрын
nice video
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