In this work we address the problem of indoor scene understanding from RGB-D
images. Specifically, we propose to find instances of common furniture classes,
their spatial extent, and their pose with respect to generalized class models.
To accomplish this, we use a deep, wide, multi-output convolutional neural
network (CNN) that predicts class, pose, and location of possible objects
simultaneously. To overcome the lack of large annotated RGB-D training sets
(especially those with pose), we use an on-the-fly rendering pipeline that
generates realistic cluttered room scenes in parallel to training. We then
perform transfer learning on the relatively small amount of publicly available
annotated RGB-D data, and find that our model is able to successfully annotate
even highly challenging real scenes. Importantly, our trained network is able
to understand noisy and sparse observations of highly cluttered scenes with a
remarkable degree of accuracy, inferring class and pose from a very limited set
of cues. Additionally, our neural network is only moderately deep and computes
class, pose and position in tandem, so the overall run-time is significantly
faster than existing methods, estimating all output parameters simultaneously
in parallel on a GPU in seconds.

通过深度卷积神经网络实现室内场景理解的任务。为了克服 RGB-D 训练数据不足的问题，采用实时渲染技术生成合成室内场景，并通过迁移学习的方式使得模型能够处理具有高度挑战性的真实场景。该神经网络具备较短的运行时间，可同时估计类别、姿态和位置等参数。