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camera-image-processing-template

  • This is camera image processing template
    • Get frame from camera
    • Convert camera frame to image::RGBImage
    • image process
      • as example
      • rgb image to gray image calculated by each pixel
      • gray image to binarized image calculated by imageproc::contrast::otsu_level and imageproc::contrast::threshold
  • In detail, see src/main.rs

Result

Camera /dev/video0: 1920 * 1080, 50 FPS
capture
Process 8.255 msec
from_raw
Process 0.652 msec
save ppm by directly
Process 21.945 msec
from_vec
Process 0.754 msec
save png by image
Process 94.467 msec
rgb to gray
Process 11.745 msec
otsu binarize
Process 1.518 msec
Camera /dev/video0: 640 * 360, 330 FPS
capture
Process 0.987 msec
from_raw
Process 0.168 msec
save ppm by directly
Process 3.509 msec
from_vec
Process 0.116 msec
save png by image
Process 8.609 msec
rgb to gray
Process 0.958 msec
otsu binarize
Process 0.236 msec