示例#1
0
    def __init__(self,
                 *,
                 mlps: List[List[int]],
                 radii: List[float],
                 nsamples: List[int],
                 post_mlp: List[int],
                 bn: bool = True,
                 use_xyz: bool = True,
                 sample_uniformly: bool = False):
        super().__init__()

        assert (len(mlps) == len(nsamples) == len(radii))

        self.post_mlp = pt_utils.SharedMLP(post_mlp, bn=bn)

        self.groupers = nn.ModuleList()
        self.mlps = nn.ModuleList()
        for i in range(len(radii)):
            radius = radii[i]
            nsample = nsamples[i]
            self.groupers.append(
                pointnet2_utils.QueryAndGroup(
                    radius,
                    nsample,
                    use_xyz=use_xyz,
                    sample_uniformly=sample_uniformly))
            mlp_spec = mlps[i]
            if use_xyz:
                mlp_spec[0] += 3

            self.mlps.append(pt_utils.SharedMLP(mlp_spec, bn=bn))
示例#2
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    def __init__(self,
                 *,
                 npoint: int,
                 radii: List[float],
                 nsamples: List[int],
                 mlps: List[List[int]],
                 bn: bool = True,
                 use_xyz: bool = True,
                 sample_uniformly: bool = False):
        super().__init__()

        assert len(radii) == len(nsamples) == len(mlps)

        self.npoint = npoint
        self.groupers = nn.ModuleList()
        self.mlps = nn.ModuleList()
        for i in range(len(radii)):
            radius = radii[i]
            nsample = nsamples[i]
            self.groupers.append(
                pointnet2_utils.QueryAndGroup(radius,
                                              nsample,
                                              use_xyz=use_xyz,
                                              sample_uniformly=sample_uniformly
                                              )
                if npoint is not None else pointnet2_utils.GroupAll(use_xyz))
            mlp_spec = mlps[i]
            if use_xyz:
                mlp_spec[0] += 3

            self.mlps.append(pt_utils.SharedMLP(mlp_spec, bn=bn))
    def __init__(self,
                 *,
                 mlp: List[int],
                 npoint: int = None,
                 radius: float = None,
                 nsample: int = None,
                 bn: bool = True,
                 use_xyz: bool = True):
        super().__init__()
        self.npoint = npoint
        self.groupers = nn.ModuleList()
        self.mlps = nn.ModuleList()

        if self.npoint is not None:
            assert radius is not None
            assert nsample is not None
            self.groupers.append(
                pointnet2_utils.QueryAndGroup(radius, nsample,
                                              use_xyz=use_xyz))
        else:
            self.groupers.append(pointnet2_utils.GroupAll(use_xyz=use_xyz))

        if use_xyz:
            mlp[0] += 3

        self.mlps.append(pt_utils.SharedMLP(mlp, bn=bn))
示例#4
0
    def __init__(
            self,
            *,
            mlp: List[int],
            radius: float = None,
            nsample: int = None,
            bn: bool = True,
            use_xyz: bool = True,
            pooling: str = 'max',
            sigma: float = None, # for RBF pooling
            normalize_xyz: bool = False, # noramlize local XYZ with radius
            sample_uniformly: bool = False,
            ret_unique_cnt: bool = False
    ):
        super().__init__()

        self.radius = radius
        self.nsample = nsample
        self.pooling = pooling
        self.mlp_module = None
        self.use_xyz = use_xyz
        self.sigma = sigma
        if self.sigma is None:
            self.sigma = self.radius/2
        self.normalize_xyz = normalize_xyz
        self.ret_unique_cnt = ret_unique_cnt

        self.grouper = pointnet2_utils.QueryAndGroup(radius, nsample,
                                                     use_xyz=use_xyz, ret_grouped_xyz=True, normalize_xyz=normalize_xyz,
                                                     sample_uniformly=sample_uniformly, ret_unique_cnt=ret_unique_cnt)
        
        mlp_spec = mlp
        if use_xyz and len(mlp_spec)>0:
            mlp_spec[0] += 3
        self.mlp_module = pt_utils.SharedMLP(mlp_spec, bn=bn)
示例#5
0
 def __init__(self, *, mlp: List[int], bn: bool = True):
     """
     :param mlp: list of int
     :param bn: whether to use batchnorm
     """
     super().__init__()
     self.mlp = pt_utils.SharedMLP(mlp, bn=bn)
示例#6
0
    def __init__(self, npoint, radii, nsamples, mlps, bn=True, use_xyz=True):
        # type: (PointnetSAModuleMSGPN2, int, List[float], List[int], List[List[int]], bool, bool) -> None
        super(PointnetSAModuleMSGPN2, self).__init__()

        assert len(radii) == len(nsamples) == len(mlps)

        self.npoint = npoint
        self.groupers = nn.ModuleList()
        self.mlps = nn.ModuleList()
        self.out_mlps = nn.ModuleList()
        for i in range(len(radii)):
            radius = radii[i]
            nsample = nsamples[i]
            self.groupers.append(
                pointnet2_utils.QueryAndGroup(radius, nsample, use_xyz=use_xyz)
                if npoint is not None else pointnet2_utils.GroupAll(use_xyz))
            mlp_spec = mlps[i]

            self.out_mlps.append(
                nn.Sequential(nn.Conv1d(mlp_spec[1], mlp_spec[-1], 1),
                              nn.BatchNorm1d(mlp_spec[-1]),
                              nn.ReLU(inplace=True)))

            mlp_spec = mlp_spec[0:2]

            if use_xyz:
                mlp_spec[0] += 3

            self.mlps.append(pt_utils.SharedMLP(mlp_spec, bn=bn))
示例#7
0
    def __init__(self, *, npoint: int, radii: List[float], nsamples: List[int], mlps: List[List[int]], bn: bool = True,
                 use_xyz: bool = True, pool_method='max_pool', instance_norm=False):
        """
        :param npoint: int
        :param radii: list of float, list of radii to group with
        :param nsamples: list of int, number of samples in each ball query
        :param mlps: list of list of int, spec of the pointnet before the global pooling for each scale
        :param bn: whether to use batchnorm
        :param use_xyz:
        :param pool_method: max_pool / avg_pool
        :param instance_norm: whether to use instance_norm
        """
        super().__init__()

        assert len(radii) == len(nsamples) == len(mlps)

        self.npoint = npoint
        self.groupers = nn.ModuleList()
        self.mlps = nn.ModuleList()
        for i in range(len(radii)):
            radius = radii[i]
            nsample = nsamples[i]
            self.groupers.append(
                pointnet2_utils.QueryAndGroup(radius, nsample, use_xyz=use_xyz)
                if npoint is not None else pointnet2_utils.GroupAll(use_xyz)
            )
            mlp_spec = mlps[i]
            if use_xyz:
                mlp_spec[0] += 3

            self.mlps.append(pt_utils.SharedMLP(mlp_spec, bn=bn, instance_norm=instance_norm))
        self.pool_method = pool_method
    def __init__(
            self,
            *,
            mlp: List[int],
            npoint: int = None,
            radius: float = None,
            nsample: int = None,
            bn: bool = True,
            use_xyz: bool = True,
            pooling: str = 'max',
            sigma: float = None,  # for RBF pooling
            normalize_xyz: bool = False,  # noramlize local XYZ with radius
            sample_uniformly: bool = False,
            ret_unique_cnt: bool = False,
            binary='None'):
        super().__init__()

        self.npoint = npoint
        self.radius = radius
        self.nsample = nsample
        self.pooling = pooling
        self.mlp_module = None
        self.use_xyz = use_xyz
        self.sigma = sigma
        if self.sigma is None:
            self.sigma = self.radius / 2
        self.normalize_xyz = normalize_xyz
        self.ret_unique_cnt = ret_unique_cnt

        if npoint is not None:
            self.grouper = pointnet2_utils.QueryAndGroup(
                radius,
                nsample,
                use_xyz=use_xyz,
                ret_grouped_xyz=True,
                normalize_xyz=normalize_xyz,
                sample_uniformly=sample_uniformly,
                ret_unique_cnt=ret_unique_cnt)
        else:
            self.grouper = pointnet2_utils.GroupAll(use_xyz,
                                                    ret_grouped_xyz=True)

        mlp_spec = mlp
        if use_xyz and len(mlp_spec) > 0:
            mlp_spec[0] += 3

        if binary == 'None':
            self.mlp_module = pt_utils.SharedMLP(mlp_spec, bn=bn)
        elif binary == 'BiMLP':
            self.mlp_module = BiMLP(mlp_spec, BiLinear=BiLinearLSR)
        elif binary == 'BiSharedMLP':
            self.mlp_module = pt_utils.BiSharedMLP(mlp_spec, bn=bn, lsr=False)
        elif binary == 'BiLSRSharedMLP':
            self.mlp_module = pt_utils.BiSharedMLP(mlp_spec, bn=bn, lsr=True)
        else:
            raise NotImplementedError
示例#9
0
    def __init__(
            self,
            *,
            mlp: List[int],
            npoint: int = None,
            radius: float = None,
            nsample: int = None,
            bn: bool = True,
            use_xyz: bool = True,
            pooling: str = 'max',
            normalize_xyz: bool = False,  # noramlize local XYZ with radius
            sample_uniformly: bool = False,
            ret_unique_cnt: bool = False):
        super().__init__()

        self.npoint = npoint
        self.nsample = nsample
        self.pooling = pooling
        self.mlp_module = None
        self.use_xyz = use_xyz
        self.normalize_xyz = normalize_xyz
        self.ret_unique_cnt = ret_unique_cnt
        '''
        if npoint is not None:
            print ("not used for plane")
            
        else:
        '''
        self.grouper1 = pointnet2_utils.QueryAndGroup(
            radius,
            nsample,
            use_xyz=use_xyz,
            ret_grouped_xyz=True,
            normalize_xyz=normalize_xyz,
            sample_uniformly=sample_uniformly,
            ret_unique_cnt=ret_unique_cnt)
        self.grouper2 = pointnet2_utils.GroupAll(use_xyz, ret_grouped_xyz=True)

        mlp_spec = mlp
        if use_xyz and len(mlp_spec) > 0:
            mlp_spec[0] += 3
        self.mlp_module1 = pt_utils.SharedMLP(mlp_spec, bn=bn)
        self.mlp_module2 = pt_utils.SharedMLP(mlp_spec, bn=bn)
 def __init__(self, *, mlp: List[int], bn: bool = True, binary='None'):
     super().__init__()
     if binary == 'None':
         self.mlp = pt_utils.SharedMLP(mlp, bn=bn)
     elif binary == 'BiMLP':
         self.mlp = BiMLP(mlp, BiLinear=BiLinearLSR)
     elif binary == 'BiSharedMLP':
         self.mlp = pt_utils.BiSharedMLP(mlp, bn=bn, lsr=False)
     elif binary == 'BiLSRSharedMLP':
         self.mlp = pt_utils.BiSharedMLP(mlp, bn=bn, lsr=True)
     else:
         raise NotImplementedError
示例#11
0
    def __init__(
            self,
            *,
            mlp: List[int],
            npoint: int = None,
            split: int = 18,
            radius: float = None,
            nsample: int = None,
            bn: bool = True,
            use_xyz: bool = True,
            pooling: str = 'max',
            sigma: float = None, # for RBF pooling
            normalize_xyz: bool = False, # noramlize local XYZ with radius
            sample_uniformly: bool = False,
            ret_unique_cnt: bool = False,
            same_idx: bool = False,
            use_feature: bool = True
    ):
        super().__init__()

        self.npoint = npoint
        self.radius = radius
        self.split = split
        self.nsample = nsample
        self.pooling = pooling
        self.mlp_module = None
        self.use_xyz = use_xyz
        self.sigma = sigma
        if self.sigma is None:
            self.sigma = self.radius/2
        self.normalize_xyz = normalize_xyz
        self.ret_unique_cnt = ret_unique_cnt
        self.same_idx = same_idx
        
        if npoint is not None:
            '''
            self.grouper = pointnet2_utils.PairwiseGroup(radius, nsample,
                use_xyz=use_xyz, ret_grouped_xyz=True, normalize_xyz=normalize_xyz,
                sample_uniformly=sample_uniformly, ret_unique_cnt=ret_unique_cnt, use_feature=use_feature)
            '''
            self.grouper = pointnet2_utils.QueryAndGroup(radius, nsample, use_xyz=use_xyz, ret_grouped_xyz=True, normalize_xyz=normalize_xyz,sample_uniformly=sample_uniformly, ret_unique_cnt=ret_unique_cnt, use_feature=use_feature, ret_idx=True)
        else:
            self.grouper = pointnet2_utils.GroupAll(use_xyz, ret_grouped_xyz=True)

        mlp_spec = mlp
        if use_feature and len(mlp_spec)>0:
            mlp_spec[0] += mlp_spec[0]
        if use_xyz and len(mlp_spec)>0:
            mlp_spec[0] += 3
        self.mlp_module = nn.ModuleList()
        for i in range(split):
            self.mlp_module.append(pt_utils.SharedMLP(mlp_spec, bn=bn))
示例#12
0
 def __init__(self, nsample, seed_feature_dim, cylinder_radius=0.05, hmin=-0.02, hmax_list=[0.01,0.02,0.03,0.04]):
     super().__init__()
     self.nsample = nsample
     self.in_dim = seed_feature_dim
     self.cylinder_radius = cylinder_radius
     mlps = [self.in_dim, 64, 128, 256]
     
     self.groupers = []
     for hmax in hmax_list:
         self.groupers.append(CylinderQueryAndGroup(
             cylinder_radius, hmin, hmax, nsample, use_xyz=True
         ))
     self.mlps = pt_utils.SharedMLP(mlps, bn=True)
示例#13
0
 def __init__(self, *, mlp: List[int], bn: bool = True):
     super().__init__()
     self.mlp = pt_utils.SharedMLP(mlp, bn=bn)