Patent ID: 11868446
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G  H

Claim 16:
17. A method of operating a neural network model, neural network model including a convolutional neural network (CNN), the method comprising:
receiving, during a non-secure mode, a first digital rights management (DRM) package and a plurality of frame data,
the first DRM package including neural network model data and is encrypted by DRM,
the plurality of frame data corresponding to a plurality of frame images and are compressed by lossless compression and encrypted by the DRM;

changing, based on the receiving the first DRM package, an operation mode from the non-secure mode to a secure mode;
decrypting, during the secure mode, the neural network model data and the plurality of frame data;
providing, during the secure mode, the decrypted neural network model data and a plurality of decrypted frame data to a neural processing unit (NPU);
decompressing, during the secure mode and by the NPU, the plurality of decrypted frame data;
performing, during the secure mode, an inference operation on the plurality of frame data using the decrypted neural network model data as parameters of the neural network model and a plurality of decompressed frame data as input feature map data;
changing, based on a completion of the inference operation, the operation mode from the secure mode to the non-secure mode; and
performing, during the non-secure mode, a data processing operation based on a result of the inference operation, and
wherein the CNN performs the inference operation on the plurality of frame data.