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2014/10/15 ¤U¤È 10:12:38

iphone Programming Glossary: planar

iOS: Get pixel-by-pixel data from camera

http://stackoverflow.com/questions/10865100/ios-get-pixel-by-pixel-data-from-camera

raw pixel data representing your camera frame. This can be in a few different formats but the most common are BGRA and planar YUV. I have an example application that uses this here but I'd recommend that you also take a look at my open source framework..

how to convert a CVImageBufferRef to UIImage

http://stackoverflow.com/questions/3152259/how-to-convert-a-cvimagebufferref-to-uiimage

AVCaptureSession to capture the video frames in native format more than likely you're getting the video data back in planar YUV420 format. see link text In order to do what you're attempting to do here probably the easiest thing to do would be.. . Apple recommends that you capture the video frames in kCVPixelFormatType_32BGRA if you capture it in non planar format at all the reasoning for which is not stated but I can reasonably assume is due to performance considerations. Caveat..

How to get the Y component from CMSampleBuffer resulted from the AVCaptureSession?

http://stackoverflow.com/questions/4085474/how-to-get-the-y-component-from-cmsamplebuffer-resulted-from-the-avcapturesessio

255 for each component. I believe the default colorspace used by an AVCaptureVideoDataOutput instance is the YUV 4 2 0 planar colorspace except on the iPhone 3G where it's YUV 4 2 2 interleaved . This means that there are two planes of image data..

Does a free API for a Augmented reality service exist?

http://stackoverflow.com/questions/8693387/does-a-free-api-for-a-augmented-reality-service-exist

API iphone ios4 ios5 augmented reality object recognition share improve this question If you want to recognise planar images the current generation of mobile AR SDKs from Metaio Qualcomm and Layar will allow you to upload images to match.. for a custom solution and it may not work very reliably given the state of the art is to reliably match against planar images. If you want to recognize general classes human car building this is a very difficult problem and I don't know of..