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Illuminating Mario Scenes in the Latent Space of a Generative Adversarial Network

AAAI 2021 · Image generation › GANs · approach: Large-scale GAN latent analysis · 46 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use quality-diversity search (MAP-Elites, ME (line), or CMA-ME) instead of CMA-ES or random searchDCGAN latent-space search · Representation-based BCsQD-Score: 385.1 -> 692.5; 308.6 -> 692.5Helped
Use CMA-ME instead of MAP-ElitesDCGAN latent-space search · Representation-based BCsQD-Score: 692.5 -> 776.8Helped
Use CMA-ME instead of ME (line)DCGAN latent-space search · Representation-based BCsQD-Score: 682.7 -> 776.8Helped
Use quality-diversity search (MAP-Elites, ME (line), or CMA-ME) instead of CMA-ES or random searchDCGAN latent-space search · KL-divergenceQD-Score: 331.5 -> 485.6; 210.6 -> 485.6Helped
Use CMA-ME instead of MAP-ElitesDCGAN latent-space search · KL-divergenceQD-Score: 485.6 -> 551.3Helped
Use CMA-ME instead of ME (line)DCGAN latent-space search · KL-divergenceQD-Score: 488.0 -> 551.3Helped
Use any tested QD algorithm rather than random searchDCGAN latent-space search · Agent-based BCsQD-Score: 20.2; 19.8; 20.4; 18.9; 21.6No clear effect
Add a directional line variation operator to MAP-Elites (ablation)MAP-Elites · Representation-based BCsQD-Score: 692.5 -> 682.7No clear effect
Add a directional line variation operator to MAP-Elites (ablation)MAP-Elites · KL-divergenceQD-Score: 485.6 -> 488.0No clear effect
Increase the number of sky tilesCMA-ME-generated scenes · Representation-based scenes rated by participantsPerceived difficulty: β = 4.35, t(817)= 11.56, p <0.001Helped
Increase the number of enemiesCMA-ME-generated scenes · Representation-based scenes rated by participantsPerceived difficulty: β = 0.94, t(817)= 2.48, p = 0.001Helped
Increase KL-divergence from a human-designed reference sceneCMA-ME-generated scenes · Scenes compared with groundtruth scene 1Perceived similarity: β_1 = -1.24, t(773) = -10.97, p < 0.001Hurt

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