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This paper proposes a garbage grasping framework based on the Channel Exchange Generative Residual Inference Network (CE-GR-NET), which synthesizes optimal grasping trajectories through the fusion of hierarchical visual features. The object detection network identifies and locates recyclable bottles among solid waste, while CE-GR-NET uses RGB and depth images to generate grasping points for plastic recyclable bottles. Experimental results show that, on the Cornell Grasping Dataset, the proposed method achieves good inference performance and fast inference speed in single-object solid waste scenarios, ultimately generating grasping boxes for plastic recyclable bottles in RGB images. On the self-constructed multi-source urban kitchen waste images, the proposed method generates grasping boxes for targets and regresses the corresponding object categories simultaneously, achieving an image-based model accuracy of 96.03%, an object-based model accuracy of 94.40%, and a grasping object classification accuracy of 97.87%.<\/jats:p>","DOI":"10.1371\/journal.pone.0349864","type":"journal-article","created":{"date-parts":[[2026,5,29]],"date-time":"2026-05-29T17:44:25Z","timestamp":1780076665000},"page":"e0349864","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":0,"title":["A grasp point generation algorithm for waste handling based on a generative reasoning network"],"prefix":"10.1371","volume":"21","author":[{"given":"Xiao","family":"Xiao","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Deyu","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7506-4039","authenticated-orcid":true,"given":"Hai","family":"Qin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"340","published-online":{"date-parts":[[2026,5,29]]},"reference":[{"issue":"6672","key":"pone.0349864.ref001","doi-asserted-by":"crossref","first-page":"797","DOI":"10.1126\/science.adg3177","article-title":"Curbing global solid waste emissions toward net-zero warming futures","volume":"382","author":"ZX Hoy","year":"2023","journal-title":"Science"},{"issue":"1","key":"pone.0349864.ref002","doi-asserted-by":"crossref","first-page":"5490","DOI":"10.1038\/s41598-024-56167-2","article-title":"Managing the low carbon transition pathways through solid waste electricity","volume":"14","author":"MA Raza","year":"2024","journal-title":"Sci Rep"},{"key":"pone.0349864.ref003","doi-asserted-by":"crossref","unstructured":"Rad MS, von Kaenel A, Droux A, Tieche F, Ouerhani N, Ekenel HK, et al. 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