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Activity Forums DaVinci Resolve Face Detection

  • Face Detection

    Posted by Clayton Burkhart on July 19, 2011 at 1:27 pm

    This is a purely theoretical question, but why has no grading application incorporated face detection technology for color correction?

    It strikes me that one of the most time consuming aspects of grading and cc work is isolating a face and correcting it in secondaries. Faces in profile of people who are moving and/or diminishing in the distance are particularly challenging. Ovals/ellipses are often not precise enough and frame by frame masking is time consuming to say the least…

    Fred Fleureau replied 14 years, 9 months ago 7 Members · 14 Replies
  • 14 Replies
  • Joseph Owens

    July 19, 2011 at 2:59 pm

    [Clayton Burkhart] “why has no grading application incorporated face detection technology for color correction?”

    Probably something that FCX would be better suited to as it seems to be iPhoto for movies.

    Process of Grading has had a traditional evolution, and has been limited by the processors at hand — most of which have been not-quite-up-to-the-task oweing to the sheer lifting power taken up by the primary function of changing the value of every single pixel in a multitude of qualified ways — and we expect it to do that in real time, 24-30 times/second.

    Why don’t color correctors speak with the voice of Majel Barrett? Similar question.

    jPo

    You mean “Old Ben”? Ben Kenobi?

  • Clayton Burkhart

    July 19, 2011 at 3:09 pm

    What I am speaking about is the use of face detection for creating masks, not actually for an automatic style correction. Isolating is the time consuming part..

  • Joseph Owens

    July 19, 2011 at 3:13 pm

    Try investigating MochaPro, then. Create alpha-channel movies and import them.

    jPo

    You mean “Old Ben”? Ben Kenobi?

  • Gabriele Turchi

    July 19, 2011 at 3:25 pm

    i always alway always always wondered WHY none of the color correction packages have a little special features dedicated to skin tone , skin tone is the most common element that need to be graded all the time , i would love to have something specific that help that

    i know taht resolve have all you need to have great Skin work , but because skin tone are sooo common to be graded properly 9and most oo the time the most important ) i would love to have something dedicated that help in speed and in results .

    as far as i know only magic bullet colorista have a nice tool to detect skin tone color and adjust it

    https://www.redgiantsoftware.com/videos/getting-started/item/143/

    https://www.redgiantsoftware.com/videos/getting-started/item/120/

    g

  • Joseph Mastantuono

    July 19, 2011 at 3:39 pm

    I don’t know, personally I’ve never been a big fan of the Magic Bullet/Colorista tools. Not enough control.

    In terms of easily adjusting skin tones, The Hue v. Hue, Hue v. Sat curves, and sometimes just the plain old Hue Knob are what I use.

    Often just a slight tweak there gets you where you need to go.

    Joseph Mastantuono
    Online Editor – Colorist – Post Consultant
    Brooklyn based finishing at reasonable prices
    917.969.1583

  • Fred Fleureau

    July 20, 2011 at 3:43 am

    funny how many colorist are on the market right now … and funny how all of them wants to have a fully automated process … look on your wave … near your auto color button, there is a golden look grade already implemented which performs your 90′ feature with ease while your feeding your facebook …. come on guys !!!

  • Gabriele Turchi

    July 20, 2011 at 4:05 am

    i wish i have that button on the wave , but unfortunately i don’t have the wave ….

    i have the Resolve Davinci Panel …

    Skin tone is not an overall look pre-made ,e having a set of skin tone fine tune control would be a bless for all professional colorist , and not a not a amateur thing as you assume to be.

    ps:the auto grade button in resolve works great and same me at least 30 min every day for the first balance …

    g

  • Fred Fleureau

    July 20, 2011 at 4:10 am

    [Gabriele Turchi] “ps:the auto grade button in resolve works great”

    depends on your footage dude and glad you have the panel, looks like it’s a must for you … the auto button is much bigger yeah?

    keep cool, call batman, just kiddin Gaby.

  • Clayton Burkhart

    July 20, 2011 at 6:55 am

    Frankly, some of the hostility in the responses I am seeing is amazing to me. I am not talking about some kind of automated process out of laziness. I am talking about using a legitimate technology as a timesaving device for isolating faces, because a great majority of the work we do is correcting faces. The capacity to create automated masks defining the borders of a face already exists, why not use it?

    There is nothing particularly noble in having to do this by hand, frame by frame, if it can be done more expediently. Think about that the next time you find that an elliptical blur is not accurate enough and you have 20 seconds of footage with an underexposed face against a beige wall, which is not only moving as a target, but shifting between profile and straight on.

  • Margus Voll

    July 20, 2011 at 7:27 am

    I agree that Mocha Pro is really good tool for that if you need really precise control.

    In the other hand to think of automated systems would go crazy just selecting the color if you have
    shot where half of the face is a bit darker just about to confuse color mask?

    Margus

    https://iconstudios.eu

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