Apparatus and method for dynamic range transforming of images

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United States of America Patent

PATENT NO 11928803
APP PUB NO 20190156471A1
SERIAL NO

16251627

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Abstract

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An image processing apparatus comprises a receiver (201) for receiving an image signal which comprises at least an encoded image and a target display reference. The target display reference is indicative of a dynamic range of a target display for which the encoded image is encoded. A dynamic range processor (203) generates an output image by applying a dynamic range transform to the encoded image in response to the target display reference. An output (205) then outputs an output image signal comprising the output image, e.g. to a suitable display. The dynamic range transform may furthermore be performed in response to a display dynamic range indication received from a display. The invention may be used to generate an improved High Dynamic Range (HDR) image from e.g. a Low Dynamic Range (LDR) image, or vice versa.

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Patent Owner(s)

  • KONINKLIJKE PHILIPS N.V.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
De, Haan Wiebe Eindhoven, NL 82 1323
Knibbeler, Charles Leonardus Cornelius Maria Eindhoven, NL 12 443
Van, Der Vleuten Renatus Josephus Veldhoven, NL 52 785

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