{"id":"W2046379463","doi":"10.1109/tip.2006.888344","title":"Undersampled Boundary Pre-/Postfilters for Low Bit-Rate DCT-Based Block Coders","year":2007,"lang":"en","type":"article","venue":"IEEE Transactions on Image Processing","topic":"Advanced Data Compression Techniques","field":"Computer Science","cited_by":12,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University","funders":"","keywords":"Discrete cosine transform; Computer science; Block (permutation group theory); Bit rate; Data compression; Transform coding; Algorithm; Computer vision; Mathematics; Computer hardware; Image (mathematics)","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0005980478,0.0003357714,0.0002713435,0.0004433961,0.0008631044,0.0005209363,0.0009134997,0.000123504,0.00001154755],"category_scores_gemma":[0.0000270385,0.0003368207,0.000151591,0.0006989507,0.0002236337,0.001820399,0.000007564238,0.0003594235,0.00001140487],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001736642,"about_ca_system_score_gemma":0.0003280836,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001547275,"about_ca_topic_score_gemma":0.0000287818,"domain_scores_codex":[0.9976858,0.00005909253,0.000485796,0.0007727659,0.0003564643,0.0006400943],"domain_scores_gemma":[0.9981247,0.0004423525,0.0002240615,0.000742424,0.0002711701,0.0001952842],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0008935416,0.0009206444,0.000006136619,0.0006630161,0.000066398,0.00004670355,0.0009156479,0.01551075,0.3290688,0.0001137005,0.001765721,0.6500289],"study_design_scores_gemma":[0.001053048,0.0002337568,0.00001865408,0.0002829867,0.00002657725,0.00001398386,0.00005905882,0.2411297,0.7533835,0.001718456,0.001597862,0.0004824464],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"methods","genre_scores_codex":[0.001066563,0.00006494352,0.9957779,0.0006440795,0.0003716867,0.0006555652,0.00005353002,0.00124556,0.0001201584],"genre_scores_gemma":[0.450602,0.000005348146,0.5481966,0.0009174053,0.00002780237,0.000100751,0.000007602657,0.00004151942,0.0001010237],"genre_candidate":"methods","genre_consensus":"methods","teacher_disagreement_score":0.6495465,"threshold_uncertainty_score":0.9999084,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01885804295598718,"score_gpt":0.3033526142390803,"score_spread":0.2844945712830931,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}