High dynamic range illumination estimation

user-5f3206704c775e3a7964bd8b(2020)

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摘要
Systems and techniques for estimating illumination from a single image are provided. An example system may include a neural network. The neural network may include an encoder that is configured to encode an input image into an intermediate representation. The neural network may also include an intensity decoder that is configured to decode the intermediate representation into an output light intensity map. An example intensity decoder is generated by a multi-phase training process that includes a first phase to train a light mask decoder using a set of low dynamic range images and a second phase to adjust parameters of the light mask decoder using a set of high dynamic range image to generate the intensity decoder.
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关键词
Light intensity,High dynamic range,Encoder,Artificial neural network,Process (computing),Phase (waves),Computer vision,Set (abstract data type),Image (mathematics),Computer science,Artificial intelligence
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