 However, many methods for creating these maps fail due to  focusing too much on the input or being extremely sensitive to small input noise .
<meaning-changed>  However, many methods for creating these maps fail due to  focusing too much on the input or being extremely sensitive to small input noise .
 However, many methods for creating these maps fail due to DNNs being sensitive to input noise, or by focusing too much on the input or being extremely sensitive to small input noise .