iPhone 照片微笑处理应用程序
我正在尝试创建一个 iPhone 应用程序，允许用户拍摄他们的微笑照片，然后从一个小的预定义列表中拖放新的微笑。
我知道有很多照片处理应用程序，并且我见过类似的允许微笑处理的概念，但不完全是我想要的。问题是知道从哪里开始。我怎样才能创造出这种效果？ OpenCV iPhone 移植是最好的选择吗？或者也许是使用 OpenGL 的东西？愿意做一些研究，但我发现经验往往会有很长的路要走，所以任何建议或见解将不胜感激。
I'm trying to create an iphone application that allows a user to take a photo of their smile, then drag and drop new smiles, from a small predefined list.
I know there are a lot of photo manipulation apps and I have seen similar concepts that allow smile manipulation, but not quite what I am looking for. The problem is knowing where to start. How can I create this effect? Would the OpenCV iPhone port be the best way to go? Or perhaps something using OpenGL? Willing to do some research, but I find that experience often goes a long way, so any advice or insight would be much appreciated.
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这是一个非常酷的应用程序。我推荐某种类型的密集光流型对齐方法，该方法可以在全局一致性和局部一致性之间取得平衡。
简而言之，您需要在画廊中使用一些通用的嘴形。然后，您可以裁剪用户的嘴部区域并将其变形为画廊形状，以显示他们在该形状下微笑的样子。
Ce Liu 的光流实现可能是一个有趣的起点。您应该能够相当轻松地移植它。
That's a pretty cool application. I'd recommend some type of dense optical flow type alignment method which would be strike a balance between global consistency and local consistency.
In short, you'll want some generic mouth shapes in a gallery. Then, you can crop the user's mouth region and warp it to the gallery shape to show what their smile in that shape will look like.
Ce Liu's Optical Flow implementation might be an interesting point to start. You should be able to port that reasonably easily.