Places-LT Dataset

Places-LT has an imbalanced training set with 62,500 images for 365 classes from Places-2. The class frequencies follow a natural power law distribution with a maximum number of 4,980 images per class and a minimum number of 5 images per class. The validation and testing sets are balanced and contain 20 and 100 images per class respectively.

Places-LT 数据集的训练集存在不均衡现象，包含来自 Places-2 的 62,500 张图像，分为 365 个类别。类别频率遵循自然幂律分布，每个类别最多包含 4,980 张图像，最少包含 5 张图像。验证集和测试集均保持平衡，每个类别分别包含 20 和 100 张图像。