{"url":"/method/directional-sparse-filtering","slug":"directional-sparse-filtering","name":"Directional Sparse Filtering","full_name":"Directional Sparse FIltering","full_name_withheld":false,"description_markdown":null,"description_state":"absent","introduced_year":null,"introduced_by":{"title":"Learning complex-valued latent filters with absolute cosine similarity","paper":"/paper/learning-complex-valued-latent-filters-with","first_author":"Anh H. T. Nguyen","n_authors":4,"url_abs":null,"archive_paper_url":"https://paperswithcode.com/paper/learning-complex-valued-latent-filters-with"},"source":{"url":"https://ieeexplore.ieee.org/document/7952589","title":"Learning complex-valued latent filters with absolute cosine similarity","url_on_a_paper_host":true},"code_snippet_url":null,"code_snippet_url_on_a_code_host":false,"categories":[{"area":"Audio","area_id":"audio","collection":"Speech Separation Models","url":"/methods/category/speech-separation-models","pwc_aliases":["speech-separation"]}],"n_papers_tagged":2,"archive_num_papers":2,"papers_newest_first":[{"paper":"/paper/directional-sparse-filtering-using-weighted","title":"Directional Sparse Filtering using Weighted Lehmer Mean for Blind Separation of Unbalanced Speech Mixtures","date":"2021-01-30","arxiv_id":"2102.00196","n_code_links":2,"syntology":null},{"paper":"/paper/learning-complex-valued-latent-filters-with","title":"Learning complex-valued latent filters with absolute cosine similarity","date":"2017-06-19","arxiv_id":null,"n_code_links":2,"syntology":null}],"papers_shown":2,"tasks":[{"task":"/task/audio-source-separation","name":"Audio Source Separation","papers":1},{"task":"/task/clustering","name":"Clustering","papers":1},{"task":"/task/multi-speaker-source-separation","name":"Multi-Speaker Source Separation","papers":1},{"task":"/task/speech-separation","name":"Speech Separation","papers":1},{"task":"/task/blind-source-separation","name":"blind source separation","papers":1}],"tasks_shown":5,"n_tasks":5,"usage_by_year":[{"year":"2017","papers":1},{"year":"2021","papers":1}],"row_source":"methods_table","archive":{"source":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28","archive_url":"https://paperswithcode.com/method/directional-sparse-filtering"},"syntology_read_at":"2026-09-24T18:15:14+00:00"}