Abstract: An imaging system lens assembly includes, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The second lens element with positive refractive power has an image-side surface being convex in a paraxial region thereof. The third lens element has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The fifth lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof and having at least one inflection point.

Abstract: An information bit determination method and a mapping relationship generation method for polar-coded modulation, and devices thereof are provided. The information bit determination method includes: providing a mapping relationship table for a predefined polar-coded modulation scheme, the mapping relationship table at least including target rates, modulation orders and first parameters of a polar code/component code under different MCS indices; determining the quantity of information bits in each polar code/component code in a target polar-coded modulation system in accordance with the mapping relationship table; and determining an information bit set corresponding to each polar code/component code in accordance with the quantity of information bits in each polar code/component code in the target polar-coded modulation system, the information bit set being used to indicate a set of positions of the information bits.

Abstract: Aspects of the invention include systems and methods configured to prevent masquerading service attacks. A non-limiting example computer-implemented method includes sending, from a first server in a cloud environment, a communication request comprising an application programming interface (API) key and a first server identifier to an identity and access management (IAM) server of the cloud environment. The API key can be uniquely assigned by the IAM server to a first component of the first server. The first server receives a credential that includes a token for the first component and sends the credential to a second server. The second server sends the credential, a second server identifier, and an identifier for a second component of the second server to the IAM server. The second server receives an acknowledgment from the IAM server and sends the acknowledgment to the first server.

Abstract: A delivery device for a spring coil includes a delivery unit, a spring coil unit, and an introducer sheath unit. A proximal end of the spring coil unit is detachably connected to a distal end of the delivery unit. A first cone tube is disposed at a distal end of an introducer sheath, and the diameter of the first cone tube gradually decreases from a proximal end of the first cone tube to a distal end of the first cone tube.

Abstract: Embodiments of the present disclosure provide a progress adjustment method and apparatus, an electronic device and a storage medium. The method comprises: receiving a progress adjustment operation that acts on a progress bar of a target content; in response to the progress adjustment operation, expanding a size of the progress bar, and adjusting the progress of the target content according to the progress adjustment operation; and in response to determining that the progress adjustment operation ends, stopping adjusting, according to the progress adjustment operation, the progress of the target content.

Abstract: Embodiments of the present disclosure provide a progress adjustment method and apparatus, an electronic device and a storage medium. The method comprises: receiving a progress adjustment operation that acts on a progress bar of a target content; in response to the progress adjustment operation, expanding a size of the progress bar, and adjusting the progress of the target content according to the progress adjustment operation; and in response to determining that the progress adjustment operation ends, stopping adjusting, according to the progress adjustment operation, the progress of the target content.

Abstract: A security gateway for validating ingress traffic and/or a response to the ingress traffic in a computer network, and a method for validating the same. The security gateway includes a proxy server and a gateway agent. The proxy server receives the ingress traffic and/or the response and forwards the ingress traffic and/or the response to the gateway agent. The gateway agent validates the ingress traffic and/or the response as valid ingress traffic and/or valid response or invalid ingress traffic and/or invalid response based on predetermined validation requirements. The proxy server further receives the valid ingress traffic from the gateway agent and forwards the valid ingress traffic to a backend service and/or receives the valid response from the gateway agent and forwards the valid response to a client device or blocks the invalid ingress traffic and/or invalid response.

Abstract: An approach for protecting container image and runtime data from host access may be presented. Container systems have allowed for more efficient utilization of computing resources, removing the requirement of a hypervisor, and packaging all necessary dependencies within an application. Preventing host access to container image and runtime data can be advantageous for a multitude of reasons. The approach herein may include, flattening a plurality of root file system of a one or more container images into a single layer. The approach may also include generating a container base image for each of the one or more flattened root file system. The approach may include encrypting each of the generated container base images with the flattened root file system.

Abstract: Embodiments of this application provide a method for detecting ransomware, a related system, and a storage medium. The method includes: obtaining a partial feature of a target file based on preset data in the target file, where the partial feature includes a partial incremental entropy and/or partial histogram statistical data; determining, based on the partial feature of the target file, whether the target file is an encrypted file; and determining, if the target file is the encrypted file, that the target file is attacked by the ransomware. The method can increase file detection efficiency and accuracy.

Abstract: Embodiments of this application provide application processing methods and apparatuses. One method includes: receiving a startup request from a first client device, where the startup request is used to start an application. Loading, in a high-level language execution environment of an enclave, a manifest file of the application and a dependency relationship between an enclave entrypoint function of the application and a static dependency class, and loading a static dependency class of the enclave entrypoint function of the application based on the manifest file and the dependency relationship between the enclave entrypoint function and the static dependency class.

Abstract: This application provides a model training-based communication method and apparatus, and a system, to effectively decrease a data amount of a parameter transmitted between the communication device and the central server. The method includes: The communication device determines a change amount of a first model parameter value. If the communication device determines, based on the change amount of the first model parameter value, that a first model parameter is stable, the communication device stops sending an update amount of the first model parameter value to the central server in a preset time period. The update amount of the first model parameter value is determined by the communication device based on user data in a process of performing model training. The communication device receives a second model parameter value sent by the central server.

Abstract: The invention discloses methods and an electronic device for collage making. The method includes determining, at a first device, a collage template and a first set of image blocks in the collage template to receive data imported by the first device. The method further includes sending, at the first device, collage making invitation information to a second device. The collage making invitation information is associated with the collage template, at least one of the first set of image blocks, and a second set of image blocks in the collage template to receive data to imported by the second device. The method further includes obtaining, at the first device, cooperative collage data of the second device. The method further includes determining, at the first device, a collage making result. The collage making result comprises the cooperative collage data and the data imported by the first device.