Abstract: Provided are an item recall method and system, an electronic device and a readable storage medium. The item recall method includes: behavior data is acquired, where the behavior data includes items and item information of each item; target behavior data containing a retrieval category word is extracted from the behavior data; retrieval words of each item and a retrieval frequency of each retrieval word are acquired in a reverse correlation manner; word segmentation is performed on the item information to obtain multiple item segmented words; a similarity between all retrieval words and the multiple item segmented words is calculated; whether the similarity is greater than a first preset threshold or not is determined, and if yes, then a retrieval word is extracted as an expansion word of the retrieval category word; and item recall is performed according to the retrieval category word and the expansion word.

Abstract: A video image segmentation method includes: obtaining an image segmentation model by performing machine learning based on a historical video image and a mask image of the historical video image; adjusting the image segmentation model based on an initial frame of an image to be segmented, a previous frame of a frame to be segmented and a mask image of the previous image; and performing segmentation on the image to be segmented using the image segmentation model after the adjusting.

Abstract: A blockchain-based information interaction method, a blockchain node, and a credit investigation network. A blockchain-based information interaction method includes generating, by a blockchain node, a credit information summary according to user data; generating blockchain information according to the credit information summary; and distributing the blockchain information on a blockchain network, so as to perform interaction of user credit information summary from different nodes through the blockchain network.

Abstract: The disclosure relates to the technical field of data processing. Disclosed are a pedestrian flow funnel generation method and apparatus, a storage medium and an electronic device. The method can comprise: acquiring a current frame of image, and tracking and updating, according to a multi-target tracking algorithm, a head and shoulder area in a tracking sequence set in the current frame of image; acquiring, according to a head and shoulder recognition model, a head and shoulder area in the current frame of image, and updating, according to the head and shoulder area in the current frame of image, the tracking sequence set; analysing a motion track of each head and shoulder area in the tracking sequence set so as to count pedestrians, and when the current frame of image is the last frame of image, generating a pedestrian flow funnel based on a counting result of pedestrians.

Abstract: A high-dimensional image feature matching method and device relating to the field of image retrieval. The method includes extracting a high-dimensional image feature of an image to be retrieved; dividing the high-dimensional image feature of the image to be retrieved into a plurality of low-dimensional image features; comparing each of the low-dimensional image features of the image to be retrieved with clustering centers at each layer of the low-dimensional image features of the images in a database; and determining a similarity the low-dimensional image feature between the image to be retrieved and each of some images in the database according to a comparison result, so that at least one feature matching the high-dimensional image feature of the image to be retrieved is retrieved in the database.

Abstract: An automatic vending method and apparatus, and a computer-readable storage medium, relating to the field of automatic vending machines. The method includes: obtaining an image from a photographed video stream of commodities in an automatic vending machine; positioning an image of a commodity picked up by a user from the image; obtaining a change value of load weight of a shelf where the commodity is picked up by the user; determining a possible combination of commodities corresponding to the change value of load weight according to a weight of each commodity in the automatic vending machine; recognizing information of the commodity corresponding to the image of the commodity picked up by the user according to a pre-established commodity feature library and in conjunction with the possible combination of commodities; and performing settlement automatically for the user according to the recognized information of the commodity.

Abstract: The present disclosure relates to an article storage and retrieval apparatus. The article storage and retrieval apparatus includes a main frame; an accommodating assembly, having an article storage state and a folded state, the accommodating assembly including a closed frame rotatably arranged on the main frame and an openable door, and the closed frame being configured to enclose an article storing space between the accommodating assembly and the main frame in the article storing state; a first locking assembly, configured to realize locking between the closed frame and the main frame and allow opening of the article storage and retrieval apparatus after unlocking; and a second locking assembly, configured to realize locking between the closed frame and the openable door and allow the accommodating assembly to switch from the folded state to the article storage state after unlocking.

Abstract: Disclosed are an information encryption method and device. A particular embodiment of the method comprises: acquiring customer information, wherein the customer information comprises an item number and a telephone number; selecting a random salt corresponding to the current date from a pre-generated random salt list, wherein the random salt list is used for storing a date and a random salt; using an irreversible encryption algorithm to encrypt the item number and the random salt corresponding to the current date so as to generate a first ciphertext; generating, based on the first ciphertext, a digital second ciphertext; and using the second ciphertext to process the telephone number so as to generate a first encrypted telephone number. This embodiment prevents private customer information from being leaked.

Abstract: The present disclosure relates to a voice shopping method, device, and a computer-readable storage medium, and relates to the field of voice recognition technology. The method includes: receiving a query instruction from a user by voice, and performing semantic recognition on the query instruction to determine one or more keywords of query content of the user; determining a search range of the keywords according to one or more shopping behavior records of the user; searching the keywords within the search range to obtain commodity information related to the query content, and performing voice output; and receiving an ordering instruction from the user by voice, and performing semantic recognition on the ordering instruction to determine whether an order is made.

Abstract: The present disclosure discloses a method and a device for acquiring figure parameters of a user. The method includes the following steps: acquiring a photo of the user; processing the photo to generate a profile of the user; taking a parameterized three-dimensional human body model with a projection profile consistent with the profile of the user as a target parameterized three-dimensional human body model; and taking figure parameters of the target parameterized three-dimensional human body model as figure parameters of the user.

Abstract: The present disclosure relates to an article conveying system and an article conveying method. The article conveying system comprises: at least two first conveying channels configured to be arranged horizontally on a building; at least one second conveying channel configured to be arranged vertically on the building; a conveyer configured to move on the first conveying channels and the second conveying channel to convey an article to different positions of the building; and transfer device arranged between the first conveying channels and the second conveying channel, to transfer the article and/or the conveyer from the first conveying channels to the second conveying channel or from the second conveying channel to the first conveying channels. The present disclosure can save physical strength and time of delivery persons and consignees, effectively achieve transfer of the article and/or the conveyer between the first conveying channels and the second conveying channel, and improve the conveying efficiency.

Abstract: The present disclosure provides a path planning method and device for an unmanned device. The method includes taking a current landmark as a current node, obtaining a landmark corresponding to a product to be picked with a route closest to the current node, and taking the obtained landmark as the current node, wherein an initial value of the current node is an initial landmark of the unmanned device; determining whether the current node is a landmark corresponding to the last product to be picked; if no, performing the step of obtaining a landmark corresponding to a product to be picked with a route closest to the current node; and if yes, taking a route composed of the initial landmark of the unmanned device and landmarks corresponding to products to be picked that are selected sequentially as a travel route of the unmanned device.

Abstract: The present disclosure relates to the technical field of multimedia, and provides a video processing method and apparatus.

Abstract: A method and a device for extracting a core word of a commodity short text, is provided. The method of extracting a core word of a commodity short text includes: obtaining commodity short texts in a data set; performing word segmenting on each commodity short text; obtaining a document vector of the commodity short text according to context information of word segments of the commodity short text; clustering the commodity short texts in the data set according to document vectors; determining a cluster level weight of each word segment of the commodity short text in a category to which the commodity short text belongs; and determining a core word of the commodity short text according to the cluster level weight of each word segment.

Abstract: The invention provides a call-out method and apparatus for an immediate callback, an electronic device, and a computer readable medium, and can solve the problem that the existing call-out scheme of the preview type cannot effectively implement an immediate callback, and can improve user experience, increase an agent utilization rate, and reduce a pressure on a system caused by frequent scheduling of timed tasks. The call-out method for an immediate callback of the invention comprises: receiving an immediate callback request of a user, the immediate callback request including a callback number and submitted service data; determining, according to pre-stored mapping relationships between service data and agent's telephone skills, agents processing the submitted service data; and judging whether a ready agent exists in the agents, and if so, immediately calling the callback number; otherwise, calling the callback number when there is a ready agent.

Abstract: A commodity recommendation method, apparatus and system, and a computer readable storage medium. The method includes: analyzing an image of a specific offline customer currently entering a store to obtain an attribute of the specific offline customer; determining an online user matching the specific offline customer according to the attribute of the specific offline customer; constructing a collection of popular commodities of the store according to commodities corresponding to stay positions of offline customers who have entered the store before; and recommending a commodity to the specific offline customer according to a historical shopping information of the online user and the collection of popular commodities.

Abstract: The present disclosure relates to a method and apparatus for determining a target rotation direction. Said method for determining the target rotation direction comprises: inputting successive video frames which comprise a rotation target; establishing a background model for the first image frame in said video frames; performing foreground detection on the video frames other than the first frame by means of said background model so as to determine the rotation axis of said rotation target; obtaining the distribution of optical flow points within a preset region of said rotation axis; determining the direction of rotation of said rotation target according to the distribution of optical flow points within said preset region. By means of the present disclosure, it is possible to simply and efficiently determine the clock direction of a rotation target in a video.

Abstract: An interface information display method and apparatus are provided. The method includes: in a list display state, if a click on a list item is detected, performing operations including: acquiring object information and a position of the clicked list item; generating a screenshot image of a current page; displaying the screenshot image in full screen, displaying a first mask layer on the screenshot image, and displaying a second mask layer on the first mask layer; shrinking the screenshot image to a predetermined ratio, acquiring an object thumbnail and detailed information from the object information, displaying, in a predetermined size, the object thumbnail on the second mask layer, and displaying the detailed information in a blank area on the second mask layer; and returning to the list display state when an area of the first mask layer non-overlapping with the second mask layer is clicked.

Abstract: A video sharing implementation method and system are provided, with the method including receiving a user's access request for a video sharing link which carries an address of a video and an identifier of a shared object, parsing the video sharing link to obtain the address of the video and the identifier of the shared object, playing the video according to the address of the video, and displaying the shared object corresponding to the identifier of the shared object in a video display interface, and jumping to a product link of the shared object in response to the user's selection of the shared object.

Abstract: A method and apparatus for delivering an article are provided. The method may include: in response to reception of a vehicle unlocked notification message sent by a terminal device of a user, sending the vehicle unlocked notification message to a terminal device of a deliveryman; in response to reception of an article delivered notification message sent by the terminal device of the deliveryman, sending the article delivered notification message to the terminal device of the user; in response to reception of a vehicle locked notification message sent by the terminal device of the user, sending the vehicle locked notification message to the terminal device of the deliveryman.