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@@ -81,6 +81,10 @@ Registered configurations:
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- `MiniGrid-Empty-8x8-v0`
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- `MiniGrid-Empty-6x6-v0`
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+<p align="center">
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+<img src="/figures/empty-env.png">
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+</p>
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+
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This environment is an empty room, and the goal of the agent is to reach the
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green goal square, which provides a sparse reward. A small penalty is
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subtracted for the number of steps to reach the goal. This environment is
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@@ -141,9 +145,14 @@ Registered configurations:
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</p>
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This environment is inspired by the
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-[Embodied Question Answering](https://arxiv.org/abs/1711.11543) paper.
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-There are four colored rooms, and the agent is placed at a random position.
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+[Embodied Question Answering](https://arxiv.org/abs/1711.11543) paper. The question are of the form:
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+
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+> Are there any keys in the red room?
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+
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+There are four colored rooms, and the agent starts at a random position in the grid.
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Multiple objects of different types and colors are also placed at random
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positions in random rooms. A question and answer pair is generated, the
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question is given to the agent as an observation, and the agent has a limited
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-number of time steps to explore the environment and produce a response.
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+number of time steps to explore the environment and produce a response. This
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+environment can be easily modified to add more question types or to diversify
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+the way the questions are phrased.
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Maxime Chevalier-Boisvert