CN-122002025-A - Encoding/decoding device, encoding/decoding method, bit stream transmitting device, and storage medium

CN122002025ACN 122002025 ACN122002025 ACN 122002025ACN-122002025-A

Abstract

The present disclosure relates to a codec device, a codec method, a bit stream transmission device, and a storage medium. The encoding device of the present disclosure includes a circuit that, in operation, designs each of a plurality of sub-pictures included in a picture, encodes configuration information indicating a configuration of each of the plurality of sub-pictures included in the picture, and encodes each of the plurality of sub-pictures, and a memory connected to the circuit, wherein, in operation, designs each of the plurality of sub-pictures such that at least one pixel included in each sub-picture is included in the same coincidence cropping window in the picture, and conditions for designing the plurality of sub-pictures include a position in which a lower end of each of the plurality of sub-pictures is located below an upper end of the coincidence cropping window.

Inventors

DRUGEON VIRGINIE
ABE KIYOFUMI
XI XIAOQI
Far Real

Assignees

松下电器（美国）知识产权公司

Dates

Publication Date: 20260508
Application Date: 20210318
Priority Date: 20200319

Claims (6)

1. An encoding device, comprising: Circuit, and A memory, connected to the circuit, In operation of the circuit in question, Each of a plurality of sub-pictures included in the picture is designed, Configuration information representing the configuration of each of a plurality of sub-pictures included in a picture is encoded, Encoding each of the plurality of sub-pictures, In operation of the circuit in question, Each of the plurality of sub-pictures is designed such that at least one pixel contained in each sub-picture is contained in the same uniform cropping window in the picture, The conditions for designing the plurality of sub-pictures include that a lower end of each of the plurality of sub-pictures is located lower than an upper end of the uniform cropping window.
2.A decoding device is provided with: Circuit, and A memory, connected to the circuit, In operation of the circuit in question, Decoding configuration information representing a configuration of each of a plurality of sub-pictures included in a picture, the plurality of sub-pictures being determined in accordance with a condition of the plurality of sub-pictures, Decoding each sub-picture of the plurality of sub-pictures, The condition is that at least one pixel included in each of the plurality of sub-pictures is included in the same uniform cropping window in the picture as a display object region, The condition includes a lower end of each of the plurality of sub-pictures being located lower than an upper end of the uniform cropping window.
3. An encoding method, wherein, Each of a plurality of sub-pictures included in the picture is designed, Configuration information representing the configuration of each of a plurality of sub-pictures in a picture is encoded, Encoding each of the plurality of sub-pictures, Each of the plurality of sub-pictures is designed such that at least one pixel contained in the respective sub-picture is contained in the same uniform cropping window in the picture, The conditions for designing the plurality of sub-pictures include that a lower end of each of the plurality of sub-pictures is located lower than an upper end of the uniform cropping window.
4. A decoding method, wherein, Decoding configuration information representing a configuration of each of a plurality of sub-pictures included in a picture, the plurality of sub-pictures being determined in accordance with a condition of the plurality of sub-pictures, Decoding each sub-picture of the plurality of sub-pictures, The condition is that at least one pixel included in each of the plurality of sub-pictures is included in the same uniform cropping window in the picture as a display object region, The condition includes a lower end of each of the plurality of sub-pictures being located lower than an upper end of the uniform cropping window.
5. A bit stream transmission device is provided with: Memory, and A circuit connected to the memory, In operation of the circuit in question, Generating a1 st parameter representing a configuration of each of a plurality of sub-pictures included in a picture, In operation of the circuit in question, Transmitting a bit stream containing said 1 st parameter, The 1 st parameter indicates that each of the plurality of sub-pictures in the picture is configured such that at least one pixel comprised by each sub-picture is comprised in the same uniform cropping window in the picture, The lower end of each of the plurality of sub-pictures is located below the upper end of the uniform cropping window.
6. A non-transitory storage medium for storing a computer program and a bitstream, wherein, When the computer program is executed by a processor, implements the encoding method of claim 3 to generate the bitstream, The bitstream contains a1 st parameter, the 1 st parameter representing a configuration of each of a plurality of sub-pictures contained in a picture, The 1 st parameter indicates that each of the plurality of sub-pictures in the picture is configured such that at least one pixel comprised by each sub-picture is comprised in the same uniform cropping window in the picture, The lower end of each of the plurality of sub-pictures is located below the upper end of the uniform cropping window.

Description

Encoding/decoding device, encoding/decoding method, bit stream transmitting device, and storage medium The present application is a division of patent application of the application having the application date 2021, 3/18, the application number 202180020832.8 and the name "codec device, codec method, transmitting device and storage medium". Technical Field The present disclosure relates to video encoding and image processing, and more particularly to a system, components, methods, and the like in encoding, decoding, and image processing of moving images. Background Video Coding techniques have advanced from H.261 and MPEG-1 to H.264/AVC (Advanced Video Coding: advanced Video Coding), MPEG-LA, H.265/HEVC (HIGH EFFICIENCY Video Coding: high efficiency Video Coding), and H.266/VVC (VERSATILE VIDEO CODEC: versatile Video codec). With this advancement, there is a constant need to provide improvements and optimizations in video coding techniques in order to handle the ever increasing amount of digital video data in a variety of applications. The present disclosure relates to further advances, improvements, and optimizations in video coding. Further, non-patent document 1 relates to an example of a conventional standard related to the video encoding technique described above. Prior art literature Non-patent literature Non-patent document 1 H.265 (ISO/IEC 23008-2 HEVC)/HEVC (HIGH EFFICIENCY Video Coding) Disclosure of Invention Problems to be solved by the invention As for the above-described coding scheme, a new scheme is desired for improving coding efficiency, improving image quality, reducing processing amount, reducing circuit scale, properly selecting elements or operations such as filters, blocks, sizes, motion vectors, reference pictures, and reference blocks, and the like. The present disclosure provides a structure or method capable of contributing to 1 or more of improvement of coding efficiency, improvement of image quality, reduction of processing amount, reduction of circuit scale, improvement of processing speed, proper selection of elements or operations, and the like, for example. Furthermore, the present disclosure may include structures or methods that can contribute to benefits other than those described above. Means for solving the problems For example, an encoding device according to an aspect of the present disclosure includes a circuit for designing each of a plurality of sub-pictures included in a picture, encoding configuration information indicating a configuration of each of the plurality of sub-pictures included in the picture, and encoding each of the plurality of sub-pictures, and a memory connected to the circuit, wherein the circuit includes at least one pixel included in each of the plurality of sub-pictures in the same consistency cut window in the picture, and wherein a condition for designing the plurality of sub-pictures includes a position in which a lower end of each of the plurality of sub-pictures is located below an upper end of the consistency cut window. The decoding device according to an aspect of the present disclosure includes a circuit that decodes configuration information indicating a configuration of each of a plurality of sub-pictures included in a picture, the plurality of sub-pictures being determined in accordance with a condition of the plurality of sub-pictures, and decoding each of the plurality of sub-pictures, and a memory connected to the circuit, wherein at least one pixel included in each of the plurality of sub-pictures is included in a same consistency cut window in the picture as a display target area, and the condition includes a position in which a lower end of each of the plurality of sub-pictures is located below an upper end of the consistency cut window. In an encoding method of an aspect of the present disclosure, each of a plurality of sub-pictures included in a picture is designed, configuration information indicating a configuration of each of the plurality of sub-pictures in the picture is encoded, each of the plurality of sub-pictures is designed such that at least one pixel included in each sub-picture is included in a same uniform cropping window in the picture, and a condition for designing the plurality of sub-pictures includes that a lower end of each of the plurality of sub-pictures is located below an upper end of the uniform cropping window. In a decoding method according to an aspect of the present disclosure, configuration information indicating a configuration of each of a plurality of sub-pictures included in a picture is decoded, the plurality of sub-pictures are determined according to a condition of the plurality of sub-pictures, each of the plurality of sub-pictures is decoded, the condition is that at least one pixel included in each of the plurality of sub-pictures is included in the same uniform cropping window in the picture as a display target area, and the condition includes that a lower end of each of the pluralit