Image processing device and method
AssigneeSony Corporation
InventorKenji Kondo
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to an image processing device and method capable of suppressing a reduction in encoding efficiency. The image processing device includes a setting unit which, in decoding of encoded data where image data are encoded, in a case where a current block is a block on which an orthogonal transform process is skipped, sets a custom scaling list for the block on which the orthogonal transform process is skipped as a scaling list used for an inverse quantization process on the current block and a decoding unit which performs a decoding process including the inverse quantization process using the scaling list set by the setting unit and decodes the encoded data. The present disclosure may be applied to, for example, an image processing device.
Claims20
An image processing device comprising:
- a setting unit which, in decoding of encoded data where image data are encoded, in a case where a current block is a block on which an orthogonal transform process is skipped, sets a custom scaling list for the block on which the orthogonal transform process is skipped as a scaling list used for an inverse quantization process on the current block;
- and
- a decoding unit which performs a decoding process including the inverse quantization process using the scaling list set by the setting unit and decodes the encoded data.
An image processing method of an image processing device, comprising:
- by the image processing device,
- in decoding of encoded data where image data are encoded, in a case where a current block is a block on which an orthogonal transform process is skipped, setting a custom scaling list for the block on which the orthogonal transform process is skipped as a scaling list used for an inverse quantization process on the current block;
- and
- performing a decoding process including the inverse quantization process using the set scaling list and decoding the encoded data.
An image processing device comprising:
- a setting unit which, in encoding of image data, in a case where an orthogonal transform process on a current block is skipped, sets a custom scaling list for a block on which the orthogonal transform process is skipped as a scaling list used for a quantization process on the current block;
- and
- an encoding unit which performs an encoding process including the quantization process using the scaling list set by the setting unit and encodes the image data.
An image processing method of an image processing device, comprising:
- by the image processing device,
- in encoding of image data, in a case where an orthogonal transform process on a current block is skipped, setting a custom scaling list for a block on which the orthogonal transform process is skipped as a scaling list used for a quantization process on the current block;
- and
- performing an encoding process including the quantization process using the set scaling list and encoding the image data.
Dependencies are inferred from the claim text.