Exemple #1
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    def __init__(self, model_args):
        super(GPNN_CAD, self).__init__()

        self.link_fun = units.LinkFunction('GraphConvLSTM', model_args)
        self.message_fun = units.MessageFunction('linear_concat', model_args)

        self.update_funs = torch.nn.ModuleList([])
        self.update_funs.append(units.UpdateFunction('gru', model_args))
        self.update_funs.append(units.UpdateFunction('gru', model_args))

        self.subactivity_classes = model_args['subactivity_classes']
        self.affordance_classes = model_args['affordance_classes']
        self.readout_funs = torch.nn.ModuleList([])
        self.readout_funs.append(
            units.ReadoutFunction(
                'fc_soft_max', {
                    'readout_input_size': model_args['node_feature_size'],
                    'output_classes': self.subactivity_classes
                }))
        self.readout_funs.append(
            units.ReadoutFunction(
                'fc_soft_max', {
                    'readout_input_size': model_args['node_feature_size'],
                    'output_classes': self.affordance_classes
                }))

        self.propagate_layers = model_args['propagate_layers']

        self._load_link_fun(model_args)
    def __init__(self, model_args):
        super(GPNN_VCOCO_v2, self).__init__()

        self.model_args = model_args.copy()
        if model_args['resize_feature_to_message_size']:
            # Resize large features
            self.edge_feature_resize = torch.nn.Linear(
                model_args['edge_feature_size'], model_args['message_size'])
            self.node_feature_resize = torch.nn.Linear(
                model_args['node_feature_size'], model_args['message_size'])
            torch.nn.init.xavier_normal(self.edge_feature_resize.weight)
            torch.nn.init.xavier_normal(self.node_feature_resize.weight)

            model_args['edge_feature_size'] = model_args['message_size']
            model_args['node_feature_size'] = model_args['message_size']

        self.link_fun = units.LinkFunction('GraphConv', model_args)
        self.sigmoid = torch.nn.Sigmoid()
        self.message_fun = units.MessageFunction('linear_concat_relu',
                                                 model_args)
        self.update_fun = units.UpdateFunction('gru', model_args)
        self.readout_fun = units.ReadoutFunction(
            'fc', {
                'readout_input_size': model_args['node_feature_size'],
                'output_classes': model_args['hoi_classes']
            })
        self.readout_fun2 = units.ReadoutFunction(
            'fc', {
                'readout_input_size': model_args['node_feature_size'],
                'output_classes': model_args['roles_num']
            })

        self.propagate_layers = model_args['propagate_layers']

        self._load_link_fun(model_args)
Exemple #3
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    def __init__(self, model_args):
        super(HGNN_lstm, self).__init__()

        self.model_args = model_args.copy()

        self.resnet = units.Resnet.ResNet50(3)

        self.link_fun = units.LinkFunction('GraphConv', model_args)
        self.message_fun = units.MessageFunction('linear_concat_relu',
                                                 model_args)
        self.update_fun = units.UpdateFunction('gru', model_args)
        self.readout_fun = units.ReadoutFunction(
            'fc', {
                'readout_input_size': model_args['node_feature_size'],
                'output_classes': model_args['big_attr_classes']
            })

        self.lstm = torch.nn.LSTM(model_args['roi_feature_size'],
                                  self.model_args['lstm_hidden_size'])
        self.lstm_readout = torch.nn.Linear(
            self.model_args['lstm_hidden_size'],
            self.model_args['big_attr_classes'])
        self.propagate_layers = model_args['propagate_layers']

        self.softmax = torch.nn.Softmax()
        self.relu = torch.nn.ReLU()
        self.sigmoid = torch.nn.Sigmoid()
        self.maxpool = torch.nn.MaxPool2d((2, 2))
Exemple #4
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    def __init__(self, model_args, args):
        super(AttMat_msg_lstm, self).__init__()

        self.model_args = model_args.copy()

        # TODO: I don't think resnet34 is sufficient for this task,
        # TODO: you'd better adopt resnet50 for feature extraction at least.
        self.resnet = units.Resnet34(model_args['roi_feature_size'])
        # TODO: The init of the ConvLSTM is important, double check the init procedure.
        self.link_fun = units.LinkFunction('GraphConv', model_args)
        self.base_model = torch.nn.ModuleList([])

        self.load_base_model = args.load_base_model
        self.base_model_weight = args.base_model_weight
        self.freeze_base_model = args.freeze_base_model

        self.message_fun = units.MessageFunction('linear_concat_relu',
                                                 model_args)
        self.update_fun = units.UpdateFunction('gru', model_args)
        self.readout_fun = units.ReadoutFunction(
            'fc', {
                'readout_input_size': model_args['node_feature_size'],
                'output_classes': model_args['big_attr_classes']
            })

        self.base_model.append(self.resnet)
        self.base_model.append(self.link_fun)
        self.base_model.append(self.message_fun)
        self.base_model.append(self.update_fun)

        self.lstm = torch.nn.LSTM(model_args['roi_feature_size'],
                                  self.model_args['lstm_hidden_size'])
        self.lstm_readout = units.ReadoutFunction(
            'fc', {
                'readout_input_size': model_args['lstm_hidden_size'],
                'output_classes': model_args['big_attr_classes']
            })
        self.propagate_layers = model_args['propagate_layers']

        self.softmax = torch.nn.Softmax()
        self.relu = torch.nn.ReLU()
        self.sigmoid = torch.nn.Sigmoid()
        self.maxpool = torch.nn.MaxPool2d((2, 2))

        if self.load_base_model:
            self._load_base_model_weight(self.base_model_weight)

        if self.freeze_base_model:

            for i, param in self.base_model[0].named_parameters():
                param.requires_grad = False
    def __init__(self, model_args, args):
        super(Atomic_HGNN, self).__init__()

        self.model_args = model_args.copy()

        self.resnet = units.Resnet.ResNet50(6)

        self._load_pretrained_weight(
            os.path.join(args.tmp_root, 'checkpoints', 'attmat',
                         'model_best.pth'))
        self.freeze_res_layer(layer_num=9)

        num_ftrs = self.resnet.resnet.fc.in_features
        self.resnet.resnet.fc = torch.nn.Linear(num_ftrs, 64 * 3)

        self.conv3d1 = torch.nn.Conv3d(
            in_channels=64 * 3,
            out_channels=6,
            kernel_size=(5, 6, 1),
            stride=1,
            padding=0
        )  #Conv3d(in_channels, out_channels, kernel_size, stride=1, padding=0, dilation=1, groups=1, bias=True)
        self.conv3d2 = torch.nn.Conv3d(in_channels=6,
                                       out_channels=6,
                                       kernel_size=(1, 1, 1),
                                       stride=1,
                                       padding=0)

        self.link_fun = units.LinkFunction('GraphConv', model_args)
        self.message_fun = units.MessageFunction('linear_concat_relu',
                                                 model_args)
        self.update_fun = units.UpdateFunction('gru', model_args)
        self.readout_fun = units.ReadoutFunction(
            'fc', {
                'readout_input_size': model_args['node_feature_size'],
                'output_classes': model_args['big_attr_classes']
            })

        self.lstm = torch.nn.LSTM(model_args['roi_feature_size'],
                                  self.model_args['lstm_hidden_size'])
        self.lstm_readout = torch.nn.Linear(
            self.model_args['lstm_hidden_size'],
            self.model_args['big_attr_classes'])
        self.propagate_layers = model_args['propagate_layers']

        self.softmax = torch.nn.Softmax()
        self.relu = torch.nn.ReLU()
        self.sigmoid = torch.nn.Sigmoid()
        self.maxpool = torch.nn.MaxPool2d((2, 2))
Exemple #6
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    def __init__(self, model_args):
        super(GPNN_HICO, self).__init__()

        self.model_args = model_args.copy()
        if model_args['resize_feature_to_message_size']:
            # Resize large features into message size with Linear functions and xavier normalization
            self.edge_feature_resize = torch.nn.Linear(model_args['edge_feature_size'], model_args['message_size'])
            self.node_feature_resize = torch.nn.Linear(model_args['node_feature_size'], model_args['message_size'])
            torch.nn.init.xavier_normal(self.edge_feature_resize.weight)
            torch.nn.init.xavier_normal(self.node_feature_resize.weight)

            model_args['edge_feature_size'] = model_args['message_size']
            model_args['node_feature_size'] = model_args['message_size']

        self.link_fun = units.LinkFunction('GraphConv', model_args) # if needs temporal operation, then 'GraphConvLSTM'
        self.sigmoid = torch.nn.Sigmoid()
        self.message_fun = units.MessageFunction('linear_concat_relu', model_args) # concatenate messages from all neghbor nodes
        self.update_fun = units.UpdateFunction('gru', model_args)
        self.readout_fun = units.ReadoutFunction('fc', {'readout_input_size': model_args['node_feature_size'], 'output_classes': model_args['hoi_classes']})

        self.propagate_layers = model_args['propagate_layers']

        self._load_link_fun(model_args)