JP7495923B2 - ビデオサンプルの変換されたブロックを符号化および復号する方法、装置、およびシステム - Google Patents

ビデオサンプルの変換されたブロックを符号化および復号する方法、装置、およびシステム Download PDF

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JP7495923B2
JP7495923B2 JP2021501303A JP2021501303A JP7495923B2 JP 7495923 B2 JP7495923 B2 JP 7495923B2 JP 2021501303 A JP2021501303 A JP 2021501303A JP 2021501303 A JP2021501303 A JP 2021501303A JP 7495923 B2 JP7495923 B2 JP 7495923B2
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クリストファー ジェームズ ロゼワーン,
アンドリュー ジェイムス ドレル,
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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    • H04N19/174Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a slice, e.g. a line of blocks or a group of blocks
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    • H04N19/12Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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    • H04N19/1883Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
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    • H04N19/146Data rate or code amount at the encoder output
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JP2021501303A 2018-08-17 2019-06-25 ビデオサンプルの変換されたブロックを符号化および復号する方法、装置、およびシステム Active JP7495923B2 (ja)

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US20250063169A1 (en) 2025-02-20
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US20220116600A1 (en) 2022-04-14
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