x6sp 创建的帖子

https://book.openmv.cc/example/09-Feature-Detection/keypoints.html 看这个程序。你的代码都不对。

读取图像：https://book.openmv.cc/example/03-Drawing/copy2fb.html 计算特征：https://book.openmv.cc/example/09-Feature-Detection/keypoints.html

import sensor, image, time # 仍然需要初始化 sensor sensor.reset() # 设置 sensor sensor.set_contrast(1) sensor.set_gainceiling(16) # 设置sensor的像素格式 sensor.set_framesize(sensor.QQVGA) sensor.set_pixformat(sensor.GRAYSCALE) kernel_size = 1 # kernel width = (size*2)+1, kernel height = (size*2)+1 kernel = [-1, -1, -1,\ -1, +8, -1,\ -1, -1, -1] thresholds = [(100, 255)] # grayscale thresholds设置阈值 # 导入 image img = image.Image("/example.bmp", copy_to_fb=True) img.morph(kernel_size, kernel) img.binary(thresholds) img.erode(1, threshold = 2) img.save('binary.bmp') # Flush FB sensor.flush() # Add a small delay to allow the IDE to read the flushed image. # 添加一个小的延迟，以允许IDE读取刷新后的图像 time.sleep_ms(100) 参考代码: https://book.openmv.cc/example/03-Drawing/copy2fb.html https://book.openmv.cc/example/04-Image-Filters/edge-detection.html

img.save('1.jpg')