Image quality improvement by adaptive exposure correction techniques

  • Authors:
  • G. Messina;A. Castorina;S. Battiato;A. Bosco

  • Affiliations:
  • STMicroelectronics, Catania, Italy;STMicroelectronics, Catania, Italy;STMicroelectronics, Catania, Italy;STMicroelectronics, Catania, Italy

  • Venue:
  • ICME '03 Proceedings of the 2003 International Conference on Multimedia and Expo - Volume 2
  • Year:
  • 2003

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Abstract

The proposed paper concerns the processing of images in digital format and, more specifically, particular techniques that can be advantageously used in digital still cameras for improving the quality of images acquired with a non-optimal exposure. The proposed approach analyses the CCD/CMOS sensor Bayer data or the corresponding color generated image and, after identifying specific features, it adjusts the exposure level according to a 'camera response' like function.