{"about":{"site":"https://codewithpapers.app","non_affiliation":"Code with Papers and Syntology are not affiliated with, endorsed by, or sponsored by Papers with Code, Meta, or the pwc-archive mirror.","licence":"CC BY-SA 4.0","licence_url":"https://creativecommons.org/licenses/by-sa/4.0/legalcode","attribution":"https://codewithpapers.app/attribution","modified":"archive material modified by Syntology; see the attribution page"},"url":"/paper/unsupervised-domain-adaptation-for-nighttime","title":"Unsupervised Domain Adaptation for Nighttime Aerial Tracking","arxiv_id":"2203.10541","date":"2022-03-20","proceeding":"CVPR 2022 1","authors":["Junjie Ye","Changhong Fu","Guangze Zheng","Danda Pani Paudel","Guang Chen"],"abstract":"Previous advances in object tracking mostly reported on favorable illumination circumstances while neglecting performance at nighttime, which significantly impeded the development of related aerial robot applications. This work instead develops a novel unsupervised domain adaptation framework for nighttime aerial tracking (named UDAT). Specifically, a unique object discovery approach is provided to generate training patches from raw nighttime tracking videos. To tackle the domain discrepancy, we employ a Transformer-based bridging layer post to the feature extractor to align image features from both domains. With a Transformer day/night feature discriminator, the daytime tracking model is adversarially trained to track at night. Moreover, we construct a pioneering benchmark namely NAT2021 for unsupervised domain adaptive nighttime tracking, which comprises a test set of 180 manually annotated tracking sequences and a train set of over 276k unlabelled nighttime tracking frames. Exhaustive experiments demonstrate the robustness and domain adaptability of the proposed framework in nighttime aerial tracking. The code and benchmark are available at https://github.com/vision4robotics/UDAT.","url_abs":"https://arxiv.org/abs/2203.10541v2","url_pdf":"https://arxiv.org/pdf/2203.10541v2.pdf","source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28","licence_url":"https://creativecommons.org/licenses/by-sa/4.0/legalcode","row_kind":"abstracts"},"code_links":[{"paper_slug":"unsupervised-domain-adaptation-for-nighttime","repo_url":"https://github.com/vision4robotics/udat","is_official":1,"mentioned_in_paper":1,"mentioned_in_github":1,"framework":"pytorch","reach":{"status":"ok","spdx":"Apache-2.0"}},{"paper_slug":"unsupervised-domain-adaptation-for-nighttime","repo_url":"https://github.com/vision4robotics/SiameseTracking4UAV","is_official":0,"mentioned_in_paper":0,"mentioned_in_github":1,"framework":"pytorch","reach":null}],"tasks":[{"task_slug":"domain-adaptation","task_name":"Domain Adaptation"},{"task_slug":"object-discovery","task_name":"Object Discovery"},{"task_slug":"object-tracking","task_name":"Object Tracking"},{"task_slug":"unsupervised-domain-adaptation","task_name":"Unsupervised Domain Adaptation"}],"methods":[{"method_slug":"absolute-position-encodings","method_name":"Absolute Position Encodings"},{"method_slug":"adam","method_name":"Adam"},{"method_slug":"attention","method_name":"Attention"},{"method_slug":"bpe","method_name":"BPE"},{"method_slug":"dense-connections","method_name":"Dense Connections"},{"method_slug":"dropout","method_name":"Dropout"},{"method_slug":"label-smoothing","method_name":"Label Smoothing"},{"method_slug":"layer-normalization","method_name":"Layer Normalization"},{"method_slug":"linear-layer","method_name":"Linear Layer"},{"method_slug":"multi-head-attention","method_name":"Multi-Head Attention"},{"method_slug":"position-wise-feed-forward-layer","method_name":"Position-Wise Feed-Forward Layer"},{"method_slug":"residual-connection","method_name":"Residual Connection"},{"method_slug":"softmax","method_name":"Softmax"},{"method_slug":"transformer","method_name":"Transformer"}],"datasets_introduced":[],"methods_introduced":[],"results":[],"syntology":{"syntology_url":null,"atlas_url":"https://app.syntology.ai/?focus=2203.10541","mcp":{"get_harvested_code_for_paper":{"arxiv_id":"2203.10541"}},"developers":"https://syntology.ai/developers","read_at":"2026-09-24T18:15:14+00:00","read_at_is":"when the build read Syntology's graph, not when any sample ran","claim":"Per-sample execution status on synthesized fixtures; not a correctness claim about the paper. Samples come from repositories linked to the paper, official or community; repo_kind says which.","repos":[{"provenance":"deterministic:regex_extraction","url":"https://github.com/vision4robotics/UDAT","reach":{"status":"ok","spdx":"Apache-2.0"}}],"summary":{"ran_fixture":2,"ran_draft_wrong":2,"unverified":7},"by_repo_kind":{"official":{"samples":11,"ran":4,"repositories":1}},"repo_kind_vocabulary":{"official":"The archive marks this repository official for the paper","named_in_paper":"The archive records that the paper mentions this repository; it is not marked official","listed":"In the archive's code links for this paper, not marked official and not recorded as mentioned in the paper","found_in_text":"Syntology found this repository in the paper's own text; whether it is the authors' implementation is not asserted","community":"Not in the archive's code links for this paper; a community repository Syntology harvested"},"n_pointer_only_for_licence":0,"samples":[{"code_sha256_prefix":"3ac6b7d76e8e3584","entry":"drop_path","repo":"vision4robotics/UDAT","repo_kind":"official","path":"UDAT/BAN/siamban/models/trans_discriminator.py","file_url":"https://github.com/vision4robotics/UDAT/blob/HEAD/UDAT/BAN/siamban/models/trans_discriminator.py","link_basis":"harvester_set","language":"python","status":"ran_fixture","verification_level":1,"contract_check":"RAISES","metamorphic_tier":"invariant","behaviour_fingerprint":true,"licence":"Apache-2.0","inline_ok":true,"mcp_get_code":{"code_sha256":"3ac6b7d76e8e3584"}},{"code_sha256_prefix":"6a9faa89f4d1a831","entry":"gelu","repo":"vision4robotics/UDAT","repo_kind":"official","path":"UDAT/BAN/siamban/models/trans_discriminator.py","file_url":"https://github.com/vision4robotics/UDAT/blob/HEAD/UDAT/BAN/siamban/models/trans_discriminator.py","link_basis":"harvester_set","language":"python","status":"ran_draft_wrong","verification_level":1,"contract_check":"MISDECLARED","metamorphic_tier":"invariant","behaviour_fingerprint":true,"licence":"Apache-2.0","inline_ok":true,"mcp_get_code":{"code_sha256":"6a9faa89f4d1a831"}},{"code_sha256_prefix":"02566da69866c48c","entry":"trunc_normal_","repo":"vision4robotics/UDAT","repo_kind":"official","path":"UDAT/BAN/siamban/models/trans_discriminator.py","file_url":"https://github.com/vision4robotics/UDAT/blob/HEAD/UDAT/BAN/siamban/models/trans_discriminator.py","link_basis":"harvester_set","language":"python","status":"ran_fixture","verification_level":1,"contract_check":"RAISES","metamorphic_tier":"invariant","behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":true,"mcp_get_code":{"code_sha256":"02566da69866c48c"}},{"code_sha256_prefix":"541e18bc31d27b44","entry":"xcorr_depthwise","repo":"vision4robotics/UDAT","repo_kind":"official","path":"UDAT/BAN/siamban/core/xcorr.py","file_url":"https://github.com/vision4robotics/UDAT/blob/HEAD/UDAT/BAN/siamban/core/xcorr.py","link_basis":"harvester_set","language":"python","status":"ran_draft_wrong","verification_level":1,"contract_check":"MISDECLARED","metamorphic_tier":null,"behaviour_fingerprint":true,"licence":"Apache-2.0","inline_ok":true,"mcp_get_code":{"code_sha256":"541e18bc31d27b44"}},{"code_sha256_prefix":"ec73a18eb6cee64f","entry":"check_keys","repo":"vision4robotics/UDAT","repo_kind":"official","path":"UDAT/BAN/siamban/utils/model_load.py","file_url":"https://github.com/vision4robotics/UDAT/blob/HEAD/UDAT/BAN/siamban/utils/model_load.py","link_basis":"harvester_set","language":"python","status":"unverified","verification_level":0,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":true,"mcp_get_code":{"code_sha256":"ec73a18eb6cee64f"}},{"code_sha256_prefix":"c15bf5953bf452e6","entry":"get_cls_loss","repo":"vision4robotics/UDAT","repo_kind":"official","path":"UDAT/BAN/siamban/models/loss.py","file_url":"https://github.com/vision4robotics/UDAT/blob/HEAD/UDAT/BAN/siamban/models/loss.py","link_basis":"harvester_set","language":"python","status":"unverified","verification_level":0,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":true,"mcp_get_code":{"code_sha256":"c15bf5953bf452e6"}},{"code_sha256_prefix":"1023e0f5057a4383","entry":"load_pretrain","repo":"vision4robotics/UDAT","repo_kind":"official","path":"UDAT/BAN/siamban/utils/model_load.py","file_url":"https://github.com/vision4robotics/UDAT/blob/HEAD/UDAT/BAN/siamban/utils/model_load.py","link_basis":"harvester_set","language":"python","status":"unverified","verification_level":0,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":true,"mcp_get_code":{"code_sha256":"1023e0f5057a4383"}},{"code_sha256_prefix":"a57313630ecbb3a1","entry":"remove_prefix","repo":"vision4robotics/UDAT","repo_kind":"official","path":"UDAT/BAN/siamban/utils/model_load.py","file_url":"https://github.com/vision4robotics/UDAT/blob/HEAD/UDAT/BAN/siamban/utils/model_load.py","link_basis":"harvester_set","language":"python","status":"unverified","verification_level":0,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":true,"mcp_get_code":{"code_sha256":"a57313630ecbb3a1"}},{"code_sha256_prefix":"608039b454e6bd80","entry":"select_cross_entropy_loss","repo":"vision4robotics/UDAT","repo_kind":"official","path":"UDAT/BAN/siamban/models/loss.py","file_url":"https://github.com/vision4robotics/UDAT/blob/HEAD/UDAT/BAN/siamban/models/loss.py","link_basis":"harvester_set","language":"python","status":"unverified","verification_level":0,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":true,"mcp_get_code":{"code_sha256":"608039b454e6bd80"}},{"code_sha256_prefix":"928a6daecaca5912","entry":"xcorr_fast","repo":"vision4robotics/UDAT","repo_kind":"official","path":"UDAT/BAN/siamban/core/xcorr.py","file_url":"https://github.com/vision4robotics/UDAT/blob/HEAD/UDAT/BAN/siamban/core/xcorr.py","link_basis":"harvester_set","language":"python","status":"unverified","verification_level":0,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":true,"mcp_get_code":{"code_sha256":"928a6daecaca5912"}},{"code_sha256_prefix":"74d343344c065353","entry":"xcorr_slow","repo":"vision4robotics/UDAT","repo_kind":"official","path":"UDAT/BAN/siamban/core/xcorr.py","file_url":"https://github.com/vision4robotics/UDAT/blob/HEAD/UDAT/BAN/siamban/core/xcorr.py","link_basis":"harvester_set","language":"python","status":"unverified","verification_level":0,"contract_check":null,"metamorphic_tier":null,"behaviour_fingerprint":false,"licence":"Apache-2.0","inline_ok":true,"mcp_get_code":{"code_sha256":"74d343344c065353"}}]},"arxiv_metadata":null,"syntology_extracted_results":null}