示例#1
0
    def __init__(self, config):
        """Initialize configurations."""
        self.image_size = config['image_size']
        self.class_num = config['class_num']
        self.class_names = config['class_names']
        self.k_proposals = config['k_proposals']
        self.balance_factor = config['balance_factor']

        self.device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
        self.basebone = fc_resnet50(self.class_num, True)
        self.prm_module = peak_response_mapping(self.basebone, **config['model'])
        self.filling_module = instance_extent_filling(self.basebone, config)

        self.cuda = torch.cuda.is_available()
        if self.cuda:
            self.prm_module.to(self.device)
            self.filling_module.to(self.device)

        self.prm_module_criterion = multilabel_soft_margin_loss
        self.filling_module_criterion = binary_cross_entropy_loss

        self.max_epoch = config['max_epoch']

        self.params = finetune(self.prm_module, **config['finetune'])
        self.optimizer_prm = sgd_optimizer(self.params, **config['optimizer'])
        self.params = finetune(self.filling_module, **config['finetune'])
        self.optimizer_filling = sgd_optimizer(self.params, **config['optimizer'])

        self.lr_update_step = 999999
        self.lr = config['optimizer']['lr']
        self.snapshot = config['snapshot']
示例#2
0
    def __init__(self, config):
        """Initialize configurations."""
        self.basebone = fc_resnet50(20, True)
        self.model = peak_response_mapping(self.basebone, **config['model'])
        self.criterion = multilabel_soft_margin_loss

        self.max_epoch = config['max_epoch']
        self.cuda = (config['device'] == 'cuda')

        self.params = finetune(self.model, **config['finetune'])
        # print(self.params)
        self.optimizer = sgd_optimizer(self.params, **config['optimizer'])
        self.lr_update_step = 999999
        self.lr = config['optimizer']['lr']
        self.snapshot = config['snapshot']

        if self.cuda:
            self.model.to('cuda')