{"url":"/method/harm-net","slug":"harm-net","name":"Harm-Net","full_name":"Harm-Net","full_name_withheld":false,"description_markdown":"A **Harmonic Network**, or **Harm-Net**, is a type of convolutional neural network that replaces convolutional layers with \"harmonic blocks\" that use [Discrete Cosine Transform](https://paperswithcode.com/method/discrete-cosine-transform) (DCT) filters. These blocks can be useful in  truncating high-frequency information (possible due to the redundancies in the spectral domain).","description_state":"present","introduced_year":null,"introduced_by":{"title":"Harmonic Convolutional Networks based on Discrete Cosine Transform","paper":"/paper/harmonic-convolutional-networks-based-on","first_author":"Matej Ulicny","n_authors":3,"url_abs":null,"archive_paper_url":"https://paperswithcode.com/paper/harmonic-convolutional-networks-based-on"},"source":{"url":"https://arxiv.org/abs/2001.06570v3","title":"Harmonic Convolutional Networks based on Discrete Cosine Transform","url_on_a_paper_host":true},"code_snippet_url":"https://github.com/matej-ulicny/harmonic-networks/blob/0fccf674806a0b876e641ef5271aad520ff90739/imagenet/models/resnet.py#L113","code_snippet_url_on_a_code_host":true,"categories":[{"area":"Computer Vision","area_id":"computer-vision","collection":"Convolutional Neural Networks","url":"/methods/category/convolutional-neural-networks","pwc_aliases":[]}],"n_papers_tagged":1,"archive_num_papers":1,"papers_newest_first":[{"paper":"/paper/harmonic-convolutional-networks-based-on","title":"Harmonic Convolutional Networks based on Discrete Cosine Transform","date":"2020-01-18","arxiv_id":"2001.06570","n_code_links":1,"syntology":{"ran":0,"of":10,"unverified":10,"pointer_only":0}}],"papers_shown":1,"tasks":[{"task":"/task/edge-detection","name":"Edge Detection","papers":1},{"task":"/task/image-classification","name":"Image Classification","papers":1},{"task":"/task/object-detection","name":"Object Detection","papers":1},{"task":"/task/semantic-segmentation","name":"Semantic Segmentation","papers":1},{"task":"/task/image-classification","name":"image-classification","papers":1},{"task":"/task/object-detection-1","name":"object-detection","papers":1}],"tasks_shown":6,"n_tasks":6,"usage_by_year":[{"year":"2020","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/harm-net"},"syntology_read_at":"2026-09-24T18:15:14+00:00"}