| 摘要 |
Systems and methods for bandwidth optimization in data transmission using a surveillance device are described here. In one aspect, embodiments of the present disclosure include a method for protecting data security and optimizing bandwidth. The method, which may be embodied on a system, includes computing a checksum value of a data block, storing the checksum value of the data block in a computer readable storage medium, transmitting the data block to a remote server, computing an updated checksum value of an updated data block at a subsequent time, and/or comparing the updated checksum value with the checksum value stored in the computer-readable storage medium. In response to determining that the updated checksum value is not equal to the checksum value, the updated data block can be transmitted to the remote server.
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