esp32-opencv/esp32/examples/esp_opencv_tests/benchmark/bm_build-release.rst

+------------------------------------------------+-------------+-------------+-------------+-------------+
| Function name and arguments                    | BUILD_TYPE=Release                                    |
+------------------------------------------------+-------------+-------------+-------------+-------------+
|                                                |     160x120 |     320x240 |     640x480 |    1024x768 |
+================================================+=============+=============+=============+=============+
|                                                                                                        |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| **Threshold**                                                                                          |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| binaryThreshold                                |         2.5 |          11 |          42 |         107 |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| triangleThreshold                              |         3.9 |          17 |          66 |         168 |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| OTSUThreshold                                  |         6.5 |          20 |          69 |         171 |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| toZeroThreshold                                |         2.6 |          11 |          42 |         107 |
+------------------------------------------------+-------------+-------------+-------------+-------------+
|                                                                                                        |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| **Blurring**                                                                                           |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| GaussianBlur 3x3 kernel                        |         5.6 |          20 |          76 |         192 |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| medianBlur 3x3 kernel                          |          22 |          90 |         360 |         926 |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| bilateralFilter diameter=5                     |          51 |         190 |         743 |        1854 |
+------------------------------------------------+-------------+-------------+-------------+-------------+
|                                                                                                        |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| **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 |         275 |
+------------------------------------------------+-------------+-------------+-------------+-------------+
|                                                                                                        |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| **Edge detection**                                                                                     |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| Sobel                                          |          14 |          50 |         187 |         497 |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| Canny                                          |          32 |         108 |         375 |         ERR |
+------------------------------------------------+-------------+-------------+-------------+-------------+
|                                                                                                        |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| **Hough tranformations**                                                                               |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| HoughLines                                     |         314 |         686 |        2121 |         ERR |
+------------------------------------------------+-------------+-------------+-------------+-------------+
| HoughLines probabilistic                       |         603 |        1352 |        3765 |         ERR |
+------------------------------------------------+-------------+-------------+-------------+-------------+