+------------------------------------------------+-------------+-------------+-------------+-------------+ | Function name and arguments | BUILD_TYPE=Release | +------------------------------------------------+-------------+-------------+-------------+-------------+ | | 160x120 | 320x240 | 640x480 | 1024x768 | +------------------------------------------------+-------------+-------------+-------------+-------------+ | All measures are in [ms] | +================================================+=============+=============+=============+=============+ | | +------------------------------------------------+-------------+-------------+-------------+-------------+ | **Threshold** | +------------------------------------------------+-------------+-------------+-------------+-------------+ | binaryThreshold | 2.6 | 11 | 42 | 107 | +------------------------------------------------+-------------+-------------+-------------+-------------+ | triangleThreshold | 3.9 | 17 | 66 | 168 | +------------------------------------------------+-------------+-------------+-------------+-------------+ | OTSUThreshold | 6.5 | 20 | 69 | 171 | +------------------------------------------------+-------------+-------------+-------------+-------------+ | toZeroThreshold | 2.6 | 11 | 42 | 107 | +------------------------------------------------+-------------+-------------+-------------+-------------+ | | +------------------------------------------------+-------------+-------------+-------------+-------------+ | **Blurring** | +------------------------------------------------+-------------+-------------+-------------+-------------+ | GaussianBlur 9x9 kernel | 34 | 128 | 504 | 1458 | +------------------------------------------------+-------------+-------------+-------------+-------------+ | medianBlur 9x9 kernel | 56 | 273 | 1425 | 4091 | +------------------------------------------------+-------------+-------------+-------------+-------------+ | bilateralFilter diameter=9 | 138 | 535 | 2119 | 5293 | +------------------------------------------------+-------------+-------------+-------------+-------------+ | | +------------------------------------------------+-------------+-------------+-------------+-------------+ | **Morphological tranforms** | +------------------------------------------------+-------------+-------------+-------------+-------------+ | erode 5x5 kernel | 6.2 | 22 | 84 | 214 | +------------------------------------------------+-------------+-------------+-------------+-------------+ | dilate 5x5 kernel | 6.2 | 22 | 84 | 214 | +------------------------------------------------+-------------+-------------+-------------+-------------+ | open 5x5 kernel | 11 | 41 | 158 | 400 | +------------------------------------------------+-------------+-------------+-------------+-------------+ | | +------------------------------------------------+-------------+-------------+-------------+-------------+ | **Resize image** | +------------------------------------------------+-------------+-------------+-------------+-------------+ | resize linear interpolation | 3.8 | 16 | 59 | 147 | +------------------------------------------------+-------------+-------------+-------------+-------------+ | resize cubic interpolation | 6.5 | 27 | 108 | 277 | +------------------------------------------------+-------------+-------------+-------------+-------------+ | | +------------------------------------------------+-------------+-------------+-------------+-------------+ | **Edge detection** | +------------------------------------------------+-------------+-------------+-------------+-------------+ | Sobel | 14 | 50 | 187 | 497 | +------------------------------------------------+-------------+-------------+-------------+-------------+ | Canny | 32 | 108 | 375 | - | +------------------------------------------------+-------------+-------------+-------------+-------------+ | | +------------------------------------------------+-------------+-------------+-------------+-------------+ | **Hough tranformations** | +------------------------------------------------+-------------+-------------+-------------+-------------+ | HoughLines | 313 | 681 | 2121 | - | +------------------------------------------------+-------------+-------------+-------------+-------------+ | HoughLines probabilistic | 608 | 1358 | 3766 | - | +------------------------------------------------+-------------+-------------+-------------+-------------+