Пример #1
0
    def __init__(self, num_class, num_heading_bin, num_size_cluster, mean_size_arr,
                 input_feature_dim=0, num_proposal=128, vote_factor=1, sampling='vote_fps', scale=1):
        super().__init__()

        self.num_class = num_class
        self.num_heading_bin = num_heading_bin
        self.num_size_cluster = num_size_cluster
        self.mean_size_arr = mean_size_arr
        assert(mean_size_arr.shape[0] == self.num_size_cluster)
        self.input_feature_dim = input_feature_dim
        self.num_proposal = num_proposal
        self.vote_factor = vote_factor
        self.sampling=sampling

        # Backbone point feature learning
        self.backbone_net = Pointnet2Backbone(input_feature_dim=self.input_feature_dim, SCALE=scale)

        # Hough voting
        if scale <= 2:
            self.vgen = VotingModule(self.vote_factor, 512)
        else:
            self.vgen = VotingModule(self.vote_factor, 256*scale)

        # Vote aggregation and detection
        if scale <= 2:
            self.pnet = ProposalModule(num_class, num_heading_bin, num_size_cluster,
                                       mean_size_arr, num_proposal, sampling, seed_feat_dim=512)
        else:
            self.pnet = ProposalModule(num_class, num_heading_bin, num_size_cluster,
                                       mean_size_arr, num_proposal, sampling, seed_feat_dim=256*scale)
Пример #2
0
    def __init__(self,
                 num_class,
                 num_heading_bin,
                 num_size_cluster,
                 mean_size_arr,
                 input_feature_dim=0,
                 num_proposal=128,
                 vote_factor=1,
                 sampling='vote_fps'):
        super().__init__()

        self.num_class = num_class
        self.num_heading_bin = num_heading_bin
        self.num_size_cluster = num_size_cluster
        self.mean_size_arr = mean_size_arr
        assert (mean_size_arr.shape[0] == self.num_size_cluster)
        self.input_feature_dim = input_feature_dim
        self.num_proposal = num_proposal
        self.vote_factor = vote_factor
        self.sampling = sampling

        # Backbone point feature learning
        self.backbone_net = Pointnet2Backbone(
            input_feature_dim=self.input_feature_dim)

        # Box proposal, aggregation and detection
        self.pnet = ProposalModule(num_class, num_heading_bin,
                                   num_size_cluster, mean_size_arr,
                                   num_proposal, sampling)
Пример #3
0
    def __init__(self,
                 num_class,
                 input_feature_dim=0,
                 num_proposal=128,
                 vote_factor=1,
                 sampling='vote_fps'):
        super().__init__()

        self.num_class = num_class
        self.input_feature_dim = input_feature_dim
        self.num_proposal = num_proposal
        self.vote_factor = vote_factor
        self.sampling = sampling

        self.backbone_net = Pointnet2Backbone(
            input_feature_dim=self.input_feature_dim)
        self.vgen = VotingModule(self.vote_factor, 256)
        self.pnet = ProposalModule(num_class, num_proposal, sampling)
Пример #4
0
    def __init__(self,
                 num_class,
                 num_heading_bin,
                 num_size_cluster,
                 mean_size_arr,
                 input_feature_dim=0,
                 num_proposal=128,
                 vote_factor=1,
                 sampling='vote_fps',
                 backbone='pointnet2'):
        super().__init__()

        self.num_class = num_class
        self.num_heading_bin = num_heading_bin
        self.num_size_cluster = num_size_cluster
        self.mean_size_arr = mean_size_arr
        assert (mean_size_arr.shape[0] == self.num_size_cluster)
        self.input_feature_dim = input_feature_dim
        self.num_proposal = num_proposal
        self.vote_factor = vote_factor
        self.sampling = sampling
        self.backbone = backbone

        # Backbone point feature learning
        if backbone == 'pointnet2':
            self.backbone_net = Pointnet2Backbone(
                input_feature_dim=self.input_feature_dim)
        else:
            self.backbone_net = SparseConvBackbone(
                input_feature_dim=self.input_feature_dim + 3,
                output_feature_dim=256,
                num_seed=1024)

        # from pdb import set_trace; set_trace()

        # Hough voting
        self.vgen = VotingModule(self.vote_factor, 256)

        # Vote aggregation and detection
        self.pnet = ProposalModule(num_class, num_heading_bin,
                                   num_size_cluster, mean_size_arr,
                                   num_proposal, sampling)
Пример #5
0
    def __init__(self, num_class, num_angle_bin, num_viewpoint,
        input_feature_dim=0, num_proposal=128, vote_factor=10, sampling='vote_fps'):
        super().__init__()

        self.num_class = num_class
        self.num_angle_bin = num_angle_bin
        self.num_viewpoint = num_viewpoint
        self.input_feature_dim = input_feature_dim
        self.num_proposal = num_proposal
        self.vote_factor = vote_factor
        self.sampling=sampling

        # Backbone point feature learning
        self.backbone_net = Pointnet2Backbone(input_feature_dim=self.input_feature_dim)

        # Hough voting
        self.vgen = VotingModule(self.vote_factor, 256)

        # Vote aggregation and detection
        self.pnet = ProposalModule(num_class, num_angle_bin, num_viewpoint, num_proposal, sampling)
Пример #6
0
    def __init__(self,
                 num_class,
                 num_heading_bin,
                 num_size_cluster,
                 mean_size_arr,
                 input_feature_dim=0,
                 num_proposal=128,
                 vote_factor=1,
                 sampling='vote_fps',
                 max_imvote_per_pixel=3,
                 image_feature_dim=18,
                 image_hidden_dim=256):
        super().__init__()

        self.num_class = num_class
        self.num_heading_bin = num_heading_bin
        self.num_size_cluster = num_size_cluster
        self.mean_size_arr = mean_size_arr
        assert (mean_size_arr.shape[0] == self.num_size_cluster)
        self.input_feature_dim = input_feature_dim
        self.num_proposal = num_proposal
        self.vote_factor = vote_factor
        self.sampling = sampling
        self.max_imvote_per_pixel = max_imvote_per_pixel
        self.image_feature_dim = image_feature_dim

        # Backbone point feature learning
        self.backbone_net = Pointnet2Backbone(
            input_feature_dim=self.input_feature_dim)

        # Image feature extractor
        self.image_feature_extractor = ImageFeatureModule(
            max_imvote_per_pixel=self.max_imvote_per_pixel)
        # MLP on image features before fusing with point features
        self.image_mlp = ImageMLPModule(image_feature_dim,
                                        image_hidden_dim=image_hidden_dim)

        # Hough voting modules
        self.img_only_vgen = VotingModule(self.vote_factor, image_hidden_dim)
        self.pc_only_vgen = VotingModule(self.vote_factor, 256)
        self.pc_img_vgen = VotingModule(self.vote_factor,
                                        image_hidden_dim + 256)

        # Vote aggregation and detection
        self.img_only_pnet = ProposalModule(num_class,
                                            num_heading_bin,
                                            num_size_cluster,
                                            mean_size_arr,
                                            num_proposal,
                                            sampling,
                                            seed_feat_dim=image_hidden_dim,
                                            key_prefix='img_only_')
        self.pc_only_pnet = ProposalModule(num_class,
                                           num_heading_bin,
                                           num_size_cluster,
                                           mean_size_arr,
                                           num_proposal,
                                           sampling,
                                           seed_feat_dim=256,
                                           key_prefix='pc_only_')
        self.pc_img_pnet = ProposalModule(num_class,
                                          num_heading_bin,
                                          num_size_cluster,
                                          mean_size_arr,
                                          num_proposal,
                                          sampling,
                                          seed_feat_dim=image_hidden_dim + 256,
                                          key_prefix='pc_img_')