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EMCVFactory.md

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EMCVFactory

A wrapped functions whitch can do some computer vision calculations.

  • [ObjC]: Means this property or method can be used on Objective-C.
  • [ObjC++]: Means this property or method can only be used on Objective-C++.

Property

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Instance Method

Initialization

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Others

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Class Method

  • [ObjC]: compareHistWithImage:andImage:withMethod: Compare two EMCVBasicImage instances' histogram. The method must be like CV_COMP_CORREL whitch is defined by OpenCV. The result is a double score.
  • [ObjC]: matchTemplateWithImage:andTempl:withMethod: Template Math. Find the location of the template image in the original image. The method must be like CV_TM_SQDIFF_NORMED whitch is defined by OpenCV. The result is a EMCVBasicImage instance. It's a grey image. You can display it on a NSImageView.
  • [ObjC]: doBackProjectionWithImage:andTempl: Back Projection. The result is a EMCVBasicImage instance. It's a grey image.
  • [ObjC]: doBackProjectionWithImage:andTempl:withDims: Do Back Projection with a specified dims.
  • [ObjC]: doBackProjectionWithImage:andTempl:atChannals:andDims:andRange: More detailed Back Projection method.
  • [ObjC]: blendingImage:withImage:useAlpha1:andAlpha2:andGamma: Blending two image with alpha. These two images must have the same size.
  • [ObjC]: copyImage:toImage: Copy a EMCVBasicImage instance's memory to another EMCVBasicImage instance.
  • [ObjC]: calOpticalFlowPyrLKWithImage:andImage:useMaxCorners:andQLevel:andMinDistance: Lucas-Kanade Optical Flow. This method will calculate corners automatically. Return a NSArray<NSArray<NSValue *> *> * instance. ([[NSPoint, NSPoint], [NSPoint, NSPoint]....])