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Python graph.apply_dropout方法代码示例

本文整理汇总了Python中blocks.graph.apply_dropout方法的典型用法代码示例。如果您正苦于以下问题:Python graph.apply_dropout方法的具体用法?Python graph.apply_dropout怎么用?Python graph.apply_dropout使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在blocks.graph的用法示例。


在下文中一共展示了graph.apply_dropout方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: create_models

# 需要导入模块: from blocks import graph [as 别名]
# 或者: from blocks.graph import apply_dropout [as 别名]
def create_models(self):
        gan = self.create_model_brick()
        x = tensor.matrix('features')
        zs = []
        for i in range(self._config["num_packing"]):
            z = circle_gaussian_mixture(num_modes=self._config["num_zmode"], num_samples=x.shape[0], dimension=self._config["num_zdim"], r=self._config["z_mode_r"], std=self._config["z_mode_std"])
            zs.append(z)

        def _create_model(with_dropout):
            cg = ComputationGraph(gan.compute_losses(x, zs))
            if with_dropout:
                inputs = VariableFilter(
                    bricks=gan.discriminator.children[1:],
                    roles=[INPUT])(cg.variables)
                cg = apply_dropout(cg, inputs, 0.5)
                inputs = VariableFilter(
                    bricks=[gan.discriminator],
                    roles=[INPUT])(cg.variables)
                cg = apply_dropout(cg, inputs, 0.2)
            return Model(cg.outputs)

        model = _create_model(with_dropout=False)
        with batch_normalization(gan):
            bn_model = _create_model(with_dropout=False)

        pop_updates = list(set(get_batch_normalization_updates(bn_model, allow_duplicates=True)))
            
        # merge same variables
        names = []
        counts = []
        pop_update_merges = []
        pop_update_merges_finals = []
        for pop_update in pop_updates:
            b = False
            for i in range(len(names)):
                if (pop_update[0].auto_name == names[i]):
                    counts[i] += 1
                    pop_update_merges[i][1] += pop_update[1]
                    b = True
                    break
            if not b:
                names.append(pop_update[0].auto_name)
                counts.append(1)
                pop_update_merges.append([pop_update[0], pop_update[1]])
        for i in range(len(pop_update_merges)):
            pop_update_merges_finals.append((pop_update_merges[i][0], pop_update_merges[i][1] / counts[i]))
        
        bn_updates = [(p, m * 0.05 + p * 0.95) for p, m in pop_update_merges_finals]

        return model, bn_model, bn_updates 
开发者ID:fjxmlzn,项目名称:PacGAN,代码行数:52,代码来源:pacgan_task.py


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