×

IMAGING APPARATUS, IMAGING PROCESSING METHOD, AND IMAGING CONTROL PROGRAM

  • US 20090153699A1
  • Filed: 11/17/2008
  • Published: 06/18/2009
  • Est. Priority Date: 12/18/2007
  • Status: Active Grant
First Claim
Patent Images

1. An imaging apparatus comprising:

  • an imaging device outputting, during a unit period of time, a long-exposure-time image signal having a long-exposure-time period being a relatively long exposure time and a short-exposure-time image signal having a short-exposure-time period being a relatively short exposure time;

    first clipping processing means for clipping a part not lower than a first signal level of a luminance signal obtained from the long-exposure-time image signal;

    second clipping processing means for clipping a part not higher than a second signal level of a luminance signal obtained from the short-exposure-time image signal; and

    signal processing means for generating a synthesized image signal having a dynamic range wider than both of dynamic ranges of the long-exposure-time image signal and the short-exposure-time image signal by synthesizing the long-exposure-time image signal having been subjected to the clipping processing by the first clipping processing means and the short-exposure-time image signal having been subjected to the clipping processing by the second clipping processing means,wherein the second signal level is not lower than a signal level obtained by dividing the first signal level by a ratio in time of the long exposure time to the short exposure time.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×