Abstract
An image processing apparatus includes a receiver (201) for receiving an image signal the image signal at least comprises coding image and target display reference. target display reference indicating coding image dynamic range for the code of the target display. dynamic range processor (203) by responding to dynamic range transform is applied to target display reference to encoded image to generate an output image. output (205) then comprises an output image signal of the output image for example to an appropriate display output. In addition the dynamic range change can respond to display dynamic range received from the display indication is performed. The invention can be used for improved high dynamic range (HDR) image is generated from for example a low dynamic range (LDR) image or vice versa.
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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| Not Available | 21/02/2019 | ISLD-201902-029 | KONINKLIJKE PHILIPS NV |
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.