{ "dataset_info": { "total_samples": 35887, "train_samples": 25117, "validation_samples": 5380, "test_samples": 5390, "image_size": [ 48, 48 ], "num_classes": 7, "emotions": [ "angry", "disgust", "fear", "happy", "sad", "surprise", "neutral" ] }, "quality_statistics": { "mean_quality": 0.43565657111814865, "std_quality": 0.08316229539578013, "min_quality": 0.0, "max_quality": 1.0, "quality_by_emotion": { "fear": 0.44484601665885565, "surprise": 0.4446220721164417, "angry": 0.44085777091661615, "happy": 0.4339509116309934, "neutral": 0.4289771392626654, "sad": 0.4280626244143492, "disgust": 0.4250150312248629 } }, "emotion_distribution": { "counts": { "happy": 8989, "neutral": 6198, "sad": 6077, "fear": 5121, "angry": 4953, "surprise": 4002, "disgust": 547 }, "percentages": { "happy": 25.048067545350683, "neutral": 17.270878033828403, "sad": 16.93370858528158, "fear": 14.269791289324827, "angry": 13.801655195474686, "surprise": 11.151670521358708, "disgust": 1.524228829381113 } }, "split_distribution": { "train_percentage": 69.9891325549642, "validation_percentage": 14.991501100677127, "test_percentage": 15.019366344358682 }, "features": { "total_features": 16, "feature_list": [ "sample_id", "emotion", "emotion_name", "pixels", "Usage", "quality_score", "brightness", "contrast", "sample_weight", "pixel_mean", "pixel_std", "pixel_min", "pixel_max", "edge_score", "focus_score", "brightness_score" ], "enhancement_features": [ "quality_score", "brightness", "contrast", "sample_weight", "pixel_mean", "pixel_std", "pixel_min", "pixel_max", "edge_score", "focus_score", "brightness_score" ] } }