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Photo Retouching "Improving" photos, post-production, correction, etc.

Orange Peel Skin Texture - How to get

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Old 11-16-2005, 11:40 AM
meok meok is offline
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This is a very interesting tread. I always felt that to get good (natural) texture you have to start with a file with decently good texture to start with. Introducing pores where there was none can affect the balance of the image. The lack of pores can often indicate that the area is out of focus, thus adding texture can make it look "off" from its surrounding and therefore, will not create an homogeneous result.

When I have an original file with decent skin texture, I usually retouch at the pore level by dodging, burning and cloning until I get an uniform texture. To emphasize them, I usually do some blending of the weak plate.Thats the technique I used for this: It is pretty time-consuming technique tho, so Im sure some the pro retouchers here have a more efficient way.
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Old 11-16-2005, 12:21 PM
superfrasky superfrasky is offline
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Meok, interesting method. Can you explain more detailed? Thanks!
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Old 11-16-2005, 03:09 PM
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Klaatu Baradda Klaatu Baradda is offline
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Texture Terminology

Originally Posted by cricket1961
The one thing I need to add that I see is missing is that skin texture varies all over the face. The nose texture is different from the cheeks, which is different for the forehead etc.
Completely agree.
Actually, the technique we outlined (above) DOES allow you to vary the amount of texture in different areas of the face. It also provides control over the depth and density of the texture by "painting" with a low opacity brush on a mask. Additionally, you can also play with the layer Opacity if you desire the effect to be heavier or lighter.

(Warning: Lengthy discussion below)
There may be a bit of confusion over the terms we're using for skin texture. So, for the sake of clarity, let's try to better define what we're talking about.

Skin Texture 101
As you point out Chris, one of the variations in skin texture is that it is "different" all over the face and you used the example of the "nose" versus the "cheeks". This is a great observation and we would add to this that there is also a "commonality" for an individual's facial skin texture. Namely the "density" of the pores (we'll define what we mean by density below). However, we would pose the question, "WHAT" is specifically "different" about the skin texture in these various regions? The answer, we believe, is in the "depth" of the pores.

Whenever you look closely at facial skin texture (really closely), you'll notice that it is actually a diagonal criss-cross or a "lattice complex" (see the exaggerated examples below). To the naked-eye, the lattice can be made up of strong creases or nearly invisible ones. The "points" (nodes) where the lattice "crosses" each other is where there is a "pore." At their most discrete level, these pores are arranged in an approximate "diamond" configuration, with pores at each corner of the diamond.

Stepping back from the face, the microscopic lattice typically falls away while the pores (nodes) are still slightly visible (although, these too are starting to fall away) and may now appear more visually random. They're not really random though. Notice how the pores still follow the lattice and are "stacked" in a diamond pattern?

When skin is seemingly "smooth" this doesn't mean the skin is without "pores!" It simply means the pores are "less visible." The reasons for this, however, may not be so obvious. They're less visible because, their "depth" has been diminished (not necessarily their size or density, which are fairly constant). This "smoothing" or "diminishing" can be achieved with makeup, cosmetic skin treatments and naturally, in photography, through digital manipulation.

Some confusion ensues with the use of the term, "size." Presummably what is meant by the actual "size" of pores is how "large" the circle (dot) of each might be visible. From a distance these will only look like very small dots. The stronger (darker) the dots, the "deeper" the pores appears to be. But does this mean that the pores are larger or simply deeper?

In actuallity there are two factors here; the "size" of the dot and the "darkness" of it. These are two factors which can change what we perceive of the texture. Yet both of these contribute to what we could generally term as the "depth" of the pores. So, the use of the term "size" is a bit ambiguous to use in reference to skin texture and pores in general. Probably best to steer-clear of this term all together.

On the other hand, the "distance" the diamond points (pores) are from each other is fairly consistent from face to face. We call this distance of the pores, "density" to refer to their collective visual pattern. In fact, arbitrarily varying this distance all around a face would probably look quite artificial. Whereas, keeping the pore "density" constant, while varying their "depth," is closer to what happens in reality.

Considering Angles
Of course, since a face has angles AND because photos are 2 dimensional, these distances WILL visually vary depending on what angle they're being viewed. In the reality, however, the individual's pore density is constant. It's just the angle which varies. So, some density compensation is necessary, depending on the face and angles that are visible. The more acute the angle, the closer together the pores will appear. Yet, too large of a variation of density in the wrong places can begin to look fake as well. Therefore, delicate treatment is required here for a more realistic and natural texture. Displacement maps are perhaps useful here, although, argueably more effort than would be necessary to emulate the effect.

So, what is "depth"? Depth (in this context) is the strength of lightness/darkness seen in the pores and lattice complex of the texture. The darker the pores and lattice, the "deeper" the texture will appear. However, if you look closer at a pore, it has highlights as well as shadows. This is what truly gives the pores their feeling of "depth" since the presence of both "highlights & shadows" provide the foundation of 3D rendering.

Strength & Contrast
The strength of a highlight is in it's "lightness" and the strength of a shadow is in it's "darkenss." Whereas, the relative "depth" of these is in their "contrast" to each other. In other words, the lower the contrast, the less "depth" is perceived. The higher the contrast, the greater the "depth" is perceived.

On The Edge Of Shadows
Typically, the areas of the face that are in greater shadow will appear to give the pores along the shadow's feathered transition-edge a greater contrast and thus a greater depth. Therefore, increasing the visibility of pores around shadowed regions (particularly at their transistion-edges) gives a more realistic appearance to the texture. Obviously, the pores that are at the heart of the shadowed areas will be too dark to see and the pores that are in the facial highlights will be too light (i.e., "blown-out") to see. For this reason, it's simply easier to focus your efforts on those shadow transition-edges where light is "washing over" the face and rolling into shadow.

On a subtle and nearly subliminial level, the "hint" of a lattice pattern over large open areas of skin, make it look more even, blemish-free, and attractive. This means that any work a retoucher does with regard to skin "texture" must be subtle; only hinting at it.

The Painting Advantage
This is where "painting the skin texture" using the method we outlined above (or a similar one) can provide greater control of these necessary "hints" of texture by the amount and depth through the use of a low opacity (soft) brush on a mask.

An added bonus of this technique is that this is a "non-destructive" method which allows you to go back and "add or remove" your texture on-the-fly by simply pressing the "x" key to swap foreground and background colors (black & white) while painting.

As an alternative method, you could also have a series of skin textures (desaturated) in your Patterns file and Fill a layer with this pattern then follow our method from step 4 onward.

Additionally, you could Fill a layer with 50% gray and apply a Pattern Overlay layer Style using the "skin texture" pattern and set the style's blending mode to Overlay (this gives you a real-time view of the texture over your image). You can also adjust the Scale of the texture to better match the face (this is a big plus). Then follow step 5 onward.

The Dior photo looks like it used a very similar technique.
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Old 11-16-2005, 04:51 PM
superfrasky superfrasky is offline
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Good job Klaatu.... Really its great!
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Old 11-16-2005, 05:14 PM
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Duv Duv is offline
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Oh my! I really must go out and smash my piece of ice!

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Old 11-16-2005, 05:44 PM
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RooB RooB is offline
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Originally Posted by byRo
Agreed! Somebody in 3D world has probably done such a "mapping" of the different textures. I'll snoop around some more.
Check out They sell all kinds of maps and characters for Poser models. From cartoonish to quite realistic. is an excellent place to pick up and get started in 3D as well, they provide a lot of tutorials and content.
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Old 11-16-2005, 06:12 PM
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Klaatu Baradda Klaatu Baradda is offline
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How REAL Do You Want To Get?

Originally Posted by Duv
Oh my! I really must go out and smash my piece of ice! Dave
Not so, Dave!
Your texture looks really very good as a skin texture map (we downloaded it for future reference) and would also work well with the method we outlined above (although, it should be desaturated for best results). In fact, using it as a desaturated Pattern would work really well too.

Naturally, there are a ton of ways to get similar results.

In the end, it all depends on how critical your need is for realism. On low resolution images for the web, the need is probably not that critical. For glossy magazine ads or large format work, the bar would probably be a bit higher.
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Old 11-16-2005, 06:51 PM
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Duv Duv is offline
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Oh great! I should submit all the pieces and see if someone can put it back together again! A terrific restoration project.

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Old 11-16-2005, 07:43 PM
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ray12 ray12 is offline
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Great Discussion. Sure learning a lot.

I agree with Klaatu. For me - at different times - there is a wide range of need for quality, accuracy or maybe even speed. It depends on the present project, the customer and its end use.

Ive already been able to utilize Daves ice pattern - and it worked out fine for that particular use.

Everyone in this forum is at a different level of expertise from tinkerer to advanced. Im appreciating the breadth of ideas - everyone is open and sharing ideas.

Who's got some patterns for eyes, cheeks and foreheads?

Who's got another piece of this puzzle?


Last edited by ray12; 11-16-2005 at 08:34 PM.
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Old 11-16-2005, 09:01 PM
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Panpan Panpan is offline
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Meok gave a great example of high end retouching. Here is my version with the compromise technique I explained earlier in this thread. It took fifteen minutes.

This discussion of artificial skin techniques is fascinating, but when there is natural, usable texture as there is in the original photograph, why resort to them?

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