title: Converting HSV to RGB in opencv
body: <p>My python code:</p>
  
  <pre><code>import numpy as np
  hsvimg = np.zeros(10,10,3)
  hsvimg[:,:,0] = np.linspace(0.2722,0.4722,10)
  hsvimg[:,:,1] = np.linspace(0.5722,0.6522,10)
  hsvimg[:,:,2] = np.ones(10)
  </code></pre>
  
  <p>how can i convert  hsv image to rgb, only using opencv</p>