{"id":417836,"date":"2017-07-28T02:24:22","date_gmt":"2017-07-28T09:24:22","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/?post_type=msr-research-item&#038;p=417836"},"modified":"2018-10-16T20:08:49","modified_gmt":"2018-10-17T03:08:49","slug":"learning-non-lambertian-object-intrinsics-across-shapenet-categories","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/learning-non-lambertian-object-intrinsics-across-shapenet-categories\/","title":{"rendered":"Learning Non-Lambertian Object Intrinsics across ShapeNet Categories"},"content":{"rendered":"<p>We consider the non-Lambertian object intrinsic problem<br \/>\nof recovering diffuse albedo, shading, and specular<br \/>\nhighlights from a single image of an object.<br \/>\nWe build a large-scale object intrinsics database based<br \/>\non existing 3D models in the ShapeNet database. Rendered<br \/>\nwith realistic environment maps, millions of synthetic<br \/>\nimages of objects and their corresponding albedo, shading,<br \/>\nand specular ground-truth images are used to train an<br \/>\nencoder-decoder CNN. Once trained, the network can decompose<br \/>\nan image into the product of albedo and shading<br \/>\ncomponents, along with an additive specular component.<br \/>\nOur CNN delivers accurate and sharp results in this<br \/>\nclassical inverse problem of computer vision, sharp details<br \/>\nattributed to skip layer connections at corresponding resolutions<br \/>\nfrom the encoder to the decoder. Benchmarked on<br \/>\nour ShapeNet and MIT intrinsics datasets, our model consistently<br \/>\noutperforms the state-of-the-art by a large margin.<br \/>\nWe train and test our CNN on different object categories.<br \/>\nPerhaps surprising especially from the CNN classification<br \/>\nperspective, our intrinsics CNN generalizes very<br \/>\nwell across categories. Our analysis shows that feature<br \/>\nlearning at the encoder stage is more crucial for developing<br \/>\na universal representation across categories.<br \/>\nWe apply our synthetic data trained model to images and<br \/>\nvideos downloaded from the internet, and observe robust<br \/>\nand realistic intrinsics results. Quality non-Lambertian intrinsics<br \/>\ncould open up many interesting applications such<br \/>\nas image-based albedo and specular editing.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We consider the non-Lambertian object intrinsic problem of recovering diffuse albedo, shading, and specular highlights from a single image of an object. We build a large-scale object intrinsics database based on existing 3D models in the ShapeNet database. Rendered with realistic environment maps, millions of synthetic images of objects and their corresponding albedo, shading, and [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":null,"msr_publishername":"","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"CVPR 2017","msr_editors":"","msr_how_published":"","msr_isbn":"","msr_issue":"","msr_journal":"","msr_number":"","msr_organization":"","msr_pages_string":"","msr_page_range_start":"","msr_page_range_end":"","msr_series":"","msr_volume":"","msr_copyright":"","msr_conference_name":"CVPR 2017","msr_doi":"","msr_arxiv_id":"","msr_s2_paper_id":"","msr_mag_id":"","msr_pubmed_id":"","msr_other_authors":"","msr_other_contributors":"","msr_speaker":"","msr_award":"","msr_affiliation":"","msr_institution":"","msr_host":"","msr_version":"","msr_duration":"","msr_original_fields_of_study":"","msr_release_tracker_id":"","msr_s2_match_type":"","msr_citation_count_updated":"","msr_published_date":"2017-07-25","msr_highlight_text":"","msr_notes":"","msr_longbiography":"","msr_publicationurl":"http:\/\/yuedong.shading.me\/project\/s_intrinsic\/s_intrinsic.htm","msr_external_url":"","msr_secondary_video_url":"","msr_conference_url":"","msr_journal_url":"","msr_s2_pdf_url":"","msr_year":0,"msr_citation_count":0,"msr_influential_citations":0,"msr_reference_count":0,"msr_s2_match_confidence":0,"msr_microsoftintellectualproperty":true,"msr_s2_open_access":false,"msr_s2_author_ids":[],"msr_pub_ids":[],"msr_hide_image_in_river":0,"footnotes":""},"msr-research-highlight":[],"research-area":[13562,13551],"msr-publication-type":[193716],"msr-publisher":[],"msr-focus-area":[],"msr-locale":[268875],"msr-post-option":[],"msr-field-of-study":[],"msr-conference":[],"msr-journal":[],"msr-impact-theme":[],"msr-pillar":[],"class_list":["post-417836","msr-research-item","type-msr-research-item","status-publish","hentry","msr-research-area-computer-vision","msr-research-area-graphics-and-multimedia","msr-locale-en_us"],"msr_publishername":"","msr_edition":"CVPR 2017","msr_affiliation":"","msr_published_date":"2017-07-25","msr_host":"","msr_duration":"","msr_version":"","msr_speaker":"","msr_other_contributors":"","msr_booktitle":"","msr_pages_string":"","msr_chapter":"","msr_isbn":"","msr_journal":"","msr_volume":"","msr_number":"","msr_editors":"","msr_series":"","msr_issue":"","msr_organization":"","msr_how_published":"","msr_notes":"","msr_highlight_text":"","msr_release_tracker_id":"","msr_original_fields_of_study":"","msr_download_urls":"","msr_external_url":"","msr_secondary_video_url":"","msr_longbiography":"","msr_microsoftintellectualproperty":1,"msr_main_download":"417839","msr_publicationurl":"http:\/\/yuedong.shading.me\/project\/s_intrinsic\/s_intrinsic.htm","msr_doi":"","msr_publication_uploader":[{"type":"file","title":"s_intrinsic","viewUrl":"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2017\/07\/s_intrinsic.pdf","id":417839,"label_id":0},{"type":"url","title":"http:\/\/yuedong.shading.me\/project\/s_intrinsic\/s_intrinsic.htm","viewUrl":false,"id":false,"label_id":0}],"msr_related_uploader":"","msr_citation_count":0,"msr_citation_count_updated":"","msr_s2_paper_id":"","msr_influential_citations":0,"msr_reference_count":0,"msr_arxiv_id":"","msr_s2_author_ids":[],"msr_s2_open_access":false,"msr_s2_pdf_url":null,"msr_attachments":[{"id":0,"url":"http:\/\/yuedong.shading.me\/project\/s_intrinsic\/s_intrinsic.htm"}],"msr-author-ordering":[{"type":"text","value":"Jian Shi","user_id":0,"rest_url":false},{"type":"user_nicename","value":"yuedong","user_id":35060,"rest_url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/microsoft-research\/v1\/researchers?person=yuedong"},{"type":"text","value":"Hao Su","user_id":0,"rest_url":false},{"type":"text","value":"Stella X. 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