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Commit Graph

5 Commits (e880d51e1c98641afc8174fc7fdc4a3a2e2633ba)

Author	SHA1	Message	Date
Vadim Levin	16b9514543	feat: update conversion logic for `std::vector<T>` in Python bindings ... `PyObject*` to `std::vector<T>` conversion logic: - If user passed Numpy Array - If array is planar and T is a primitive type (doesn't require constructor call) that matches with the element type of array, then copy element one by one with the respect of the step between array elements. If compiler is lucky (or brave enough) copy loop can be vectorized. For classes that require constructor calls this path is not possible, because we can't begin an object lifetime without hacks. - Otherwise fall-back to general case - Otherwise - execute the general case: If PyObject* corresponds to Sequence protocol - iterate over the sequence elements and invoke the appropriate `pyopencv_to` function. `std::vector<T>` to `PyObject*` conversion logic: - If `std::vector<T>` is empty - return empty tuple. - If `T` has a corresponding `Mat` `DataType` than return Numpy array instance of the matching `dtype` e.g. `std::vector<cv::Rect>` is returned as `np.ndarray` of shape `Nx4` and `dtype=int`. This branch helps to optimize further evaluations in user code. - Otherwise - execute the general case: Construct a tuple of length N = `std::vector::size` and insert elements one by one. Unnecessary functions were removed and code was rearranged to allow compiler select the appropriate conversion function specialization.	3 years ago
Alexander Alekhin	3e5d7e1718	imgproc: fix minAreaRect()	4 years ago
Vadim Pisarevsky	d6c699c014	calib3d module in opencv is split into 3 modules: 3d, calib and stereo. ... stereo module in opencv_contrib is renamed to xstereo	4 years ago
Alexander Alekhin	5560db73bf	python: 'cv2.' -> 'cv.' via 'import cv2 as cv'	7 years ago
Alexander Alekhin	7791839f22	python(test): tests filtering	7 years ago
Alexander Alekhin	2f94637899	python(test): refactor test.py, move test code outside from test.py	7 years ago