title: convert: no decode delegate for this image format `JPEG' @ error/constitute.c/ReadImage/509
body: <p>I am not able to change resolution of the image. I am using following command but every time NoDecodeDelegate exception is being thrown.
  I used following command:</p>
  
  <p>convert -units PixelsPerInch c:/images/test1.jpg -density 132 c:/images/test1imgdensity.jpg</p>