平台：K210
固件版本：maixpy_v0.6.2_54_g897214100_openmv_kmodel_v4_with_ide_support.bin

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OpenMv库自带Otsu算法:

源码

# Otsu.py - By: Royic - 周三 9月 22 2021import sensor, imagesensor.reset()
sensor.set_pixformat(sensor.GRAYSCALE)
sensor.set_framesize(sensor.QVGA)
sensor.skip_frames(time = 2000)while(True):img = sensor.snapshot()histogram = img.get_histogram()Thresholds = histogram.get_threshold()img.binary([(Thresholds.value(), 255)])

效果