| CPC G06V 10/776 (2022.01) [G06V 10/764 (2022.01); G06V 10/7715 (2022.01); G06V 10/82 (2022.01)] | 17 Claims |

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1. A processor-implemented method of training a neural network model, the method comprising:
receiving input data and target data;
pooling, by a neural network model, on each of plural classes represented in a feature map, extracted from the input data, based on respective probabilities for each of the plural classes represented in the feature map;
generating output data by inputting the input data to the neural network model;
determining a first loss based on a comparing of the output data and the target data, and an auxiliary loss based on a result of the pooling; and
training the neural network model based on the first loss and the auxillary loss.
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