Method, device, and system ofquality classifying and selling packed meat based on image

A system of classifying quality and selling packed meat based on an image, the system comprising:

• a packed meat IoT management device configured to refrigerate and manage packed meat and photograph a state of the packed meat;
• and
• a server configured to communicate with the packed meat IoT management device and each user terminal in a wired manner or wirelessly, wherein
• the packed meat IoT management device is configured to
• photograph an image of each of packed meats being managed and
• transmit the image of each of packed meats to the server,
• the server is configured to
• issue a predefined storage instruction for each of the packed meats to the packed meat IoT device,
• display each of the packed meats by each meat, each part, and each grade on each user terminal, based on the respective packed meat images and product code,
• acquire a purchase request for first packed meat selected by a first user through a first user terminal, and
• transmit the purchase request for the first packed meat to the packed meat IoT management device,
• the packed meat IoT management device is configured to
• transmit to the server that the first packed meat is in stock,
• the server is configured to
• determine a sale of the first packed meat,
• instruct the packed meat IoT management device to ship the first packed meat, and
• display packed meats other than the first packed meat in the packed meats by each meat, each part, and each grade on each user terminal, and
• in an operation of classifying the quality of each of packed meats by the server, the quality classification of packed meat is made based on an image of packed meat in a state in which a pack of each of the packed meats is not opened.

The system of clam 3, wherein

• the packed meat IoT management device is configured to
• photograph an image of unpacked meat of a product placed on a tray immediately before packing,
• pack the unpacked meat, and
• store the packed meat,
• the server is configured to
• acquire the image of unpacked meat of the product placed on the tray immediately before packing,
• classify the quality of each of the packed meats based on the image of each of the unpacked meats,
• calculate the price of each of the packed meats based on the quality classification of each of the unpacked meats,
• display each of the packed meats by each meat, each part, and each grade on each user terminal, and
• an operation of classifying the quality of each of the packed meats by the server is made based on the image of each of the unpacked meats.