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Method, system and apparatus including encoder for image processing

An encoder, a system-on-chip technology, applied in the fields of encoders, systems and devices for image processing

Active Publication Date: 2020-06-02
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, an encoder performing RDO may use a large amount of calculations to determine the optimal encoding quantization parameter without determining that the quantization parameter determined by the encoder is the optimal quantization parameter

Method used

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  • Method, system and apparatus including encoder for image processing
  • Method, system and apparatus including encoder for image processing
  • Method, system and apparatus including encoder for image processing

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Embodiment Construction

[0037]The inventive concept will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. Like numbers refer to like elements throughout.

[0038] It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly connected to" or "directly coupled to" another element, there are no interven...

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Abstract

The present disclosure relates to methods, systems and devices including encoders for image processing. Provides a method to manipulate the encoder. The method comprises: generating a predicted spatial domain block value for a current spatial domain block pixel value, generating a residual spatial domain block value based on a difference between the current spatial domain block pixel value and the predicted spatial domain block value, calculating the residual spatial domain block value A representative value of , selects a quantization parameter corresponding to the representative value from a plurality of quantization parameters, and quantizes the residual spatial domain block value using the selected quantization parameter.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Patent Application No. 10-2015-0000521 filed on Jan. 5, 2015, the disclosure of which is hereby incorporated by reference in its entirety. technical field [0003] The present application relates to a method, system and apparatus including an encoder for image processing. Background technique [0004] A coder is a device or method for transforming the form or format of information for standardization, security, improvement of processing speed, saving of memory space, and the like. A quantization parameter is a numerical value that adjusts the degree of quantization in the encoder. Encoders can quantize input data using quantization parameters. [0005] A conventional encoder uses rate-distortion optimization (RDO) to determine the optimal encoding quantization parameter within a range of quantization parameters by comparing the costs of all possible candidates. However, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/593H04N19/44H04N19/176H04N19/124
CPCH04N19/124H04N19/176H04N19/44H04N19/593H04N19/136H04N19/182H04N19/196H04N19/13H04N19/146H04N19/50
Inventor 郑咏凡张爀在
Owner SAMSUNG ELECTRONICS CO LTD
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