Man pages matching name pcl_obj_rec_ransac_model_opps in section 1:

pcl_obj_rec_ransac_model_opps.1.en	debian 10 / pcl-tools
pcl_obj_rec_ransac_model_opps.1.en	debian 11 / pcl-tools
pcl_obj_rec_ransac_model_opps.1.en	debian 12 / pcl-tools