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migusan76
04-02-2010, 05:27 PM
Hi just found this site and I'm digging what I'm seeing. So just starting me up a sketchbook to dumb my stuff into. Hope you guys like and as always comments welcomed. Thanks!

Here is something I worked on sometime back doing a real-time likeness model for Unreal 3.0 Engine.
http://www.digiteck3d.com/forum_images/sketchBook/mikeBust_FinHiRez.jpg

http://www.digiteck3d.com/forum_images/sketchBook/mikeBust_SkinTx.jpg

In game screenshot and some info on the skin shader development.
The skin shading system I built a while back in the Unreal Engine 3.0 based on the GPU Gems 3 - Advanced Techniques for Realistic Real-Time Skin Rendering (http://http.developer.nvidia.com/GPUGems3/gpugems3_ch14.html). I implemented most of the effects described in the paper including the multilayered diffusion scattering in skin. Originally the first pass of the shader had all 3-layers as described in the paper, but with experimentation I managed to figure out that 1-layer was sufficient enough to capture the color-bleeding and surface blurring. This also allowed me to cut down code to keep the shader production friendly. Along with the subsurface I also implemented the physically based specular term to better capture the specularity of skin.

http://www.digiteck3d.com/forum_images/sketchBook/mikeBust_SkinTx_UE3_01.jpg

http://www.digiteck3d.com/forum_images/sketchBook/mikeBust_SkinCompareUE3.jpg

Subsurface Scattering Effect
http://www.digiteck3d.com/forum_images/sketchBook/mikeBust_SkinDiffusionUE3.jpg

Physically Based Specular
http://www.digiteck3d.com/forum_images/sketchBook/mikeBust_SkinSpecUE3.jpg

Unreal 3.0 Shading Network
http://www.digiteck3d.com/forum_images/sketchBook/mikeBust_SkinTx_UE3_00.jpg

http://www.digiteck3d.com/forum_images/sketchBook/mikeBustSkinShaderUE3.jpg

PascalR
04-02-2010, 05:42 PM
:welcome: migusan76!

This is great informations and very cool real time skin shader!
Are you blurring the red channel of the diffuse values to get the sss effect?

Thanks for sharing these, very interesting!:dance:

Cheers

Pascal

migusan76
04-02-2010, 05:45 PM
5hr speed sculpts for fun.
http://www.digiteck3d.com/forum_images/sketchBook/creatureBash_00FrontL.jpg

http://www.digiteck3d.com/forum_images/sketchBook/creatureBash_01FrontL.jpg

http://www.digiteck3d.com/forum_images/sketchBook/creatureBash_00WireFrameL.jpg

migusan76
04-02-2010, 06:04 PM
:D Hi Pascal, Thx's! Really like what your doing with the site and being very active in it. Yea it is similar to blurring the red channel, but I'm doing it based on a multi-layered diffusion profile so I'm taking multiple blur maps and combining it back together. Its based on the research by Eugene d'Eon, and David Luebke from NVIDIA Corporation.

migusan76
05-02-2010, 11:42 AM
here is an art dump of the work I've done over the past year working at America' Army.
http://www.digiteck3d.com/forum_images/sketchBook/AA_WorkPortfolio_MM.jpg

migusan76
05-02-2010, 11:44 AM
Here is a rendering R&D test for a skin shader I've been developing for mental ray for a couple years nows. This wouldn't see the light of day else were.
http://www.digiteck3d.com/forum_images/sketchBook/dt3dSkinRD_MR.jpg

migusan76
05-02-2010, 04:11 PM
Hand Study - Working on some Anatomy Studies.
http://www.digiteck3d.com/forum_images/sketchBook/handStudy00.jpg

http://www.digiteck3d.com/forum_images/sketchBook/handStudyRnD.jpg

http://www.digiteck3d.com/forum_images/sketchBook/handStudyWire.jpg

migusan76
05-02-2010, 04:28 PM
This a Ox based creature I've been developing on and off.
http://www.digiteck3d.com/forum_images/sketchBook/generalOxCL.jpg

current progress
http://www.digiteck3d.com/forum_images/sketchBook/genOxFaceZb.jpg

http://www.digiteck3d.com/forum_images/sketchBook/genOxBodyZb.jpg

http://www.digiteck3d.com/forum_images/sketchBook/genOxWireframeZb.jpg

migusan76
08-02-2010, 08:06 PM
This is a Female Anatomy Study I've been working on.

http://www.digiteck3d.com/forum_images/sketchBook/femStudyHead.jpg

http://www.digiteck3d.com/forum_images/sketchBook/femStudyBodyMid.jpg

http://www.digiteck3d.com/forum_images/sketchBook/femStudyBodyFar.jpg

http://www.digiteck3d.com/forum_images/sketchBook/femStudyWireF.jpg

migusan76
24-02-2010, 06:13 PM
Some random sketches. These where done on my Iphone out of boredom.

http://www.digiteck3d.com/forum_images/sketchBook/artwork/alienMan.jpg http://www.digiteck3d.com/forum_images/sketchBook/artwork/alienMan00.jpg

http://www.digiteck3d.com/forum_images/sketchBook/artwork/frogAlienCreature00.jpg http://www.digiteck3d.com/forum_images/sketchBook/artwork/frogAlienCreature01.jpg

http://www.digiteck3d.com/forum_images/sketchBook/artwork/creatureBug.jpg

Other creature design in photoshop.
http://www.digiteck3d.com/forum_images/sketchBook/artwork/gordin.jpg

http://www.digiteck3d.com/forum_images/sketchBook/artwork/gordin_SiloSM.jpg