CN101228795A - 针对加权预测的可分级视频编码方法及设备 - Google Patents
针对加权预测的可分级视频编码方法及设备 Download PDFInfo
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- CN101228795A CN101228795A CNA2006800266992A CN200680026699A CN101228795A CN 101228795 A CN101228795 A CN 101228795A CN A2006800266992 A CNA2006800266992 A CN A2006800266992A CN 200680026699 A CN200680026699 A CN 200680026699A CN 101228795 A CN101228795 A CN 101228795A
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- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
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- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
- H04N19/615—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding using motion compensated temporal filtering [MCTF]
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- H04N19/36—Scalability techniques involving formatting the layers as a function of picture distortion after decoding, e.g. signal-to-noise [SNR] scalability
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Abstract
Description
| slice_header_in_scalable_extension(){ | C | Descriptor |
| first_mb_in_slice | 2 | ue(v) |
| slice_type | 2 | ue(v) |
| pic_parameter_set_id | 2 | ue(v) |
| if(slice_type==PR){ | ||
| num_mbs_in_slice_minus1 | 2 | ue(v) |
| luma_chroma_sep_flag | 2 | u(l) |
| } | ||
| frame_num | 2 | u(v) |
| if(!frame_mbs_only_flag){ | ||
| field_pic_flag | 2 | u(l) |
| if(field_pic_flag) | ||
| bottom_field_flag | 2 | u(l) |
| } | ||
| if(nal_unit_type==21) | ||
| idr_pic_id | 2 | ue(v) |
| if(pic_order_cnt_type==0){ | ||
| pic order cnt_lsb | 2 | u(v) |
| if(pic_order_present_flag&&!field_pic_flag) | ||
| delta_pic_order_cnt_bottom | 2 | se(v) |
| } | ||
| if(pic_order_cnt_type==1&&!delta_pic_order_always_zero_flag){ | ||
| delta_pic_order_cnt[0] | 2 | se(v) |
| if(pic order_present_flag&&!field_pic_flag) | ||
| delta_pic_order_cnt[l] | 2 | se(v) |
| } | ||
| if(slice_type!=PR){ | ||
| if(redundant_pic_cnt_present_flag) | ||
| redundant_pic_cnt | 2 | ue(v) |
| if(slice_type==EB) | ||
| direct_spatial_mv_pred_flag | 2 | u(l) |
| key_picture_flag | 2 | u(l) |
| decomposition_stages | 2 | ue(v) |
| base_id_plus1 | 2 | ue(v) |
| if(base_id_plus1!=0){ | ||
| adaptive_prediction_flag | 2 | u(l) |
| } | ||
| if(slice_type==EP||slice_type==EB){ | ||
| num_ref_idx_active_override_flag | 2 | u(l) |
| if(num_ref_idx_active_override_flag){ | ||
| num_ref_idx_l0_active_minus1 | 2 | ue(v) |
| if(slice_type==EB) | ||
| num_ref_idx_l1_active_minus1 | 2 | ue(v) |
| } | ||
| } | ||
| ref_pic_list_reordering() | 2 |
| for(decLvl=temporal_leve1;decLvl<decomposition_stages;decLvl++){ | ||
| num_ref_idx_update_l0_active[decLvl+1] | 2 | ue(v) |
| num_ref_idx_update_l1_active[decLvl+1] | 2 | ue(v) |
| } | ||
| if((weighted_pred_flag&&slice_type==EP)||(weighted_bipred_idc==1&&slice_type== EB)) | ||
| { | ||
| if((base_id_plus1!=0)&&(adaptive_prediction_flag==1)) | ||
| base_pred_weight_table_flag | 2 | u(l) |
| if(base_pred_weight_table_flag==0) | ||
| pred_weight_table() | 2 | |
| } | ||
| if(nal_ref_idc!=0) | ||
| dec_ref_pic_marking() | 2 | |
| if(entropy_coding_mode_flag&&slice_type!=EI) | ||
| cabac_init_idc | 2 | ue(v) |
| } | ||
| slice_qp_delta | 2 | se(v) |
| if(deblocking_filter_control_present_flag){ | ||
| disable_deblocking_filter_idc | 2 | ue(v) |
| if(disable_deblocking_filter_idc!=1){ | ||
| slice_alpha_c0_offset_div2 | 2 | se(v) |
| slice_beta_offset_div2 | 2 | se(v) |
| } | ||
| } | ||
| if(slice_type!=PR) | ||
| if(num_slice_groups_minusl>0 &&slice_group_map_type>=3&&slice_group_map_type<=5) | ||
| slice_group_change_cycle | 2 | u(v) |
| if(slice_type!=PR &&extended_spatial_scalability>0){ | ||
| if(chroma_format_idc>0){ | ||
| base_chroma_phase_x_plus1 | 2 | u(2) |
| base_chroma_phase_y_plus1 | 2 | u(2) |
| } | ||
| if(extended_spatial_scalability==2){ | ||
| scaled_base_left_offset | 2 | se(v) |
| scaled_base_top_offset | 2 | se(v) |
| scaled_base_right_offset | 2 | se(v) |
| scaled_base_bottom_offset | 2 | se(v) |
| } | ||
| } | ||
| SpatialScalabilityType=spatial_scalability_type() | ||
| } |
Claims (29)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70146405P | 2005-07-21 | 2005-07-21 | |
| US60/701,464 | 2005-07-21 | ||
| PCT/US2006/019510 WO2007018669A1 (en) | 2005-07-21 | 2006-05-19 | Method and apparatus for weighted prediction for scalable video coding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101228795A true CN101228795A (zh) | 2008-07-23 |
| CN101228795B CN101228795B (zh) | 2011-09-07 |
Family
ID=36969701
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800266352A Expired - Fee Related CN101228794B (zh) | 2005-07-21 | 2006-05-19 | 针对加权预测的可分级视频编码方法及设备 |
| CN2006800266992A Expired - Fee Related CN101228795B (zh) | 2005-07-21 | 2006-05-19 | 针对加权预测的可分级视频解码方法及设备 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800266352A Expired - Fee Related CN101228794B (zh) | 2005-07-21 | 2006-05-19 | 针对加权预测的可分级视频编码方法及设备 |
Country Status (13)
| Country | Link |
|---|---|
| US (2) | US20090207919A1 (zh) |
| EP (2) | EP1915870B1 (zh) |
| JP (2) | JP5484725B2 (zh) |
| KR (2) | KR101299390B1 (zh) |
| CN (2) | CN101228794B (zh) |
| AU (2) | AU2006277007B2 (zh) |
| BR (2) | BRPI0613659B1 (zh) |
| MX (1) | MX2008000906A (zh) |
| MY (2) | MY147087A (zh) |
| RU (2) | RU2406253C2 (zh) |
| TW (2) | TWI324887B (zh) |
| WO (2) | WO2007018669A1 (zh) |
| ZA (2) | ZA200800248B (zh) |
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| CN104396240A (zh) * | 2012-01-31 | 2015-03-04 | Vid拓展公司 | 用于可缩放的高效视频编码(hevc)的参考图片集(rps)信令 |
| CN104396240B (zh) * | 2012-01-31 | 2018-02-02 | Vid拓展公司 | 用于可缩放的高效视频编码(hevc)的参考图片集(rps)信令 |
| US11445172B2 (en) | 2012-01-31 | 2022-09-13 | Vid Scale, Inc. | Reference picture set (RPS) signaling for scalable high efficiency video coding (HEVC) |
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