Abstract: The address of victim rows may be determined based on rows that are accessed in a memory. The victim addresses may be stored and associated with a count for every time a victim row is “victimized.” When the count for a victim row reaches a threshold, the victim row may be refreshed to preserve data stored in the row. After the victim row has been refreshed, the count may be reset. When a victim row is accessed, the count may also be reset. The counts may be adjusted for closer victim rows (e.g., +/?1) at a faster rate than counts for more distant victim rows (e.g., +/?2). This may cause closer victim rows to be refreshed at a higher rate than more distant victim rows.

Abstract: Provided are a storage device, system, and method for throttling host writes in a host buffer to a storage device. The storage device is coupled to a host system having a host buffer that includes reads and writes to pages of the storage device. Garbage collection consolidates valid data from pages in the storage device to fewer pages. A determination is made as to whether a processing measurement at the storage device satisfies a threshold. A timer value is set to a positive value in response to determining that the processing measurement satisfies the threshold. The timer is started to run for the timer value. Writes from the host buffer are blocked while the timer is running. Writes remain in the host buffer while the timer is running. A write is accepted from the host buffer to process in response to expiration of the timer.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for a data capture application of a computing device that receives image data for an image of a document and uses the image data to capture content on the document while minimizing glare at the document. The data capture application receives user input for positioning an image token provided for display to a user of the data capture application. Positioning the image token causes adjustment of an attribute value of the image data. In response to receiving the user input the data capture application determines whether the attribute value of the image data satisfies a predefined attribute value. Based on the attribute value satisfying the predefined attribute value, the data capture application generates a composite image of the document using the image data received by the data capture application.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for liveness detection are disclosed. In one aspect, a method includes the actions of providing, for display on a screen to a user, a graphical item that travels along a path. The actions further include tracking a movement of an eye of the user while the graphical item travels along the path on the screen. The actions further include comparing the movement of the eye of the user to the path traveled by the graphical item. The actions further include generating an eye correlation score that reflects a correlation between the movement of the eye of the user and the path traveled by the graphical item. The actions further include determining whether the eye correlation score satisfies an eye liveness threshold score. The actions further include determining whether the user is a live person.

Abstract: Some implementations may provide a method to have a user authenticated at a point of service. The method includes: accessing, by a target system, a multi-dimensional symbol rendered on a display of a mobile computing device of the user, the multi-dimensional symbol encoding endpoints and actions for the target system to perform in order to request and authenticate an identity of a user; decoding data in the multi-dimensional symbol to retrieve an identity token plus information about the authentication actions and the user's identity system; requesting the corresponding authentication actions of the user's identity system to include specific authentication measures for the user to perform as well as data for the user to release; and performing the authentication actions as requested and encoded in the multi-dimensional symbol such that the physical identity of the user of the mobile computing device is verified and the user consents to release the requested identity information at the point of service.

Abstract: An automated dispensing machine includes a storage container configured to store a product. An identification sensor of the automated dispensing machine is configured to read, from an identification document of a user, identification data of the user. A biometric sensor is configured to capture, from the user, biometric data of the user. An identity authentication module is coupled to the identification sensor and the biometric sensor. The identity authentication module is configured to obtain information representing whether the identification data matches the biometric data. A product dispenser is coupled to the identity authentication module and the storage container. The product dispenser is configured to dispense, to the user, the product stored in the storage container responsive to the identification data matching the biometric data.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for a data capture application of a computing device that receives image data for an image of a document and uses the image data to capture content on the document while minimizing glare at the document. The data capture application receives user input for positioning an image token provided for display to a user of the data capture application. Positioning the image token causes adjustment of an attribute value of the image data. In response to receiving the user input the data capture application determines whether the attribute value of the image data satisfies a predefined attribute value. Based on the attribute value satisfying the predefined attribute value, the data capture application generates a composite image of the document using the image data received by the data capture application.

Abstract: Some implementations may provide a method to have a user authenticated at a point of service. The method includes: accessing, by a target system, a multi-dimensional symbol rendered on a display of a mobile computing device of the user, the multi-dimensional symbol encoding endpoints and actions for the target system to perform in order to request and authenticate an identity of a user; decoding data in the multi-dimensional symbol to retrieve an identity token plus information about the authentication actions and the user's identity system; requesting the corresponding authentication actions of the user's identity system to include specific authentication measures for the user to perform as well as data for the user to release; and performing the authentication actions as requested and encoded in the multi-dimensional symbol such that the physical identity of the user of the mobile computing device is verified and the user consents to release the requested identity information at the point of service.

Abstract: Some implementations may provide a method to have a user authenticated at a point of service. The method includes: accessing, by a target system, a multi-dimensional symbol rendered on a display of a mobile computing device of the user, the multi-dimensional symbol encoding endpoints and actions for the target system to perform in order to request and authenticate an identity of a user; decoding data in the multi-dimensional symbol to retrieve an identity token plus information about the authentication actions and the user's identity system; requesting the corresponding authentication actions of the user's identity system to include specific authentication measures for the user to perform as well as data for the user to release; and performing the authentication actions as requested and encoded in the multi-dimensional symbol such that the physical identity of the user of the mobile computing device is verified and the user consents to release the requested identity information at the point of service.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for liveness detection are disclosed. In one aspect, a method includes the actions of providing, for display on a screen to a user, a graphical item that travels along a path. The actions further include tracking a movement of an eye of the user while the graphical item travels along the path on the screen. The actions further include comparing the movement of the eye of the user to the path traveled by the graphical item. The actions further include generating an eye correlation score that reflects a correlation between the movement of the eye of the user and the path traveled by the graphical item. The actions further include determining whether the eye correlation score satisfies an eye liveness threshold score. The actions further include determining whether the user is a live person.

Abstract: Some implementations may provide a machine-assisted method to obtain access to an otherwise restricted resource, including: retrieving, by using the mobile device, a multi-dimensional symbol being displayed on a display device different from the mobile computing device, the multi-dimensional symbol encoding authentication actions for the mobile computing device to perform such that an identity of a user from the mobile device is verified; decoding data in the multi-dimensional symbol to retrieve information encoding the authentication actions; performing the authentication actions as encoded in the multi-dimensional symbol such that the identity of the user is verified; in response to having the identity of the user verified, causing the user to obtain access to the otherwise restricted resource.

Abstract: Some implementations may provide a method to have a user authenticated at a point of service. The method includes: accessing, by a target system, a multi-dimensional symbol rendered on a display of a mobile computing device of the user, the multi-dimensional symbol encoding endpoints and actions for the target system to perform in order to request and authenticate an identity of a user; decoding data in the multi-dimensional symbol to retrieve an identity token plus information about the authentication actions and the user's identity system; requesting the corresponding authentication actions of the user's identity system to include specific authentication measures for the user to perform as well as data for the user to release; and performing the authentication actions as requested and encoded in the multi-dimensional symbol such that the physical identity of the user of the mobile computing device is verified and the user consents to release the requested identity information at the point of service.

Abstract: Some implementations may provide a machine-assisted method to obtain access to an otherwise restricted resource, including: retrieving, by using the mobile device, a multi-dimensional symbol being displayed on a display device different from the mobile computing device, the multi-dimensional symbol encoding authentication actions for the mobile computing device to perform such that an identity of a user from the mobile device is verified; decoding data in the multi-dimensional symbol to retrieve information encoding the authentication actions; performing the authentication actions as encoded in the multi-dimensional symbol such that the identity of the user is verified; in response to having the identity of the user verified, causing the user to obtain access to the otherwise restricted resource.

Abstract: Some implementations may provide a method to have a user authenticated at a point of service. The method includes: accessing, by a target system, a multi-dimensional symbol rendered on a display of a mobile computing device of the user, the multi-dimensional symbol encoding endpoints and actions for the target system to perform in order to request and authenticate an identity of a user; decoding data in the multi-dimensional symbol to retrieve an identity token plus information about the authentication actions and the user's identity system; requesting the corresponding authentication actions of the user's identity system to include specific authentication measures for the user to perform as well as data for the user to release; and performing the authentication actions as requested and encoded in the multi-dimensional symbol such that the physical identity of the user of the mobile computing device is verified and the user consents to release the requested identity information at the point of service.

Abstract: The present disclosure relates to systems and methods for communicating with a radio frequency (RF) device. A hybrid method for collecting data may include a pushing method of collecting data and a pulling method of collecting data. The pushing method of collecting data may be configured such that a first node initiates data collection with a second node during a pushing period. The pulling method of collecting data may be configured such that the first node waits on the second node to initiate data collection during a pulling period. The pushing period and the pulling period may occur at different times.

Abstract: The present disclosure relates to systems and methods for communicating with a radio frequency (RF) device. A hybrid method for collecting data may include a pushing method of collecting data and a pulling method of collecting data. The pushing method of collecting data may be configured such that a first node initiates data collection with a second node during a pushing period. The pulling method of collecting data may be configured such that the first node waits on the second node to initiate data collection during a pulling period. The pushing period and the pulling period may occur at different times.

Abstract: The present disclosure relates to systems and methods for communicating with a radio frequency (RF) device. An exemplary method includes: listening, by the collector node, during a first listening period, for a hailing signal from a plurality of RF devices on a hailing channel, the hailing signal including identification of a specified data channel; in response to receiving the hailing signal from one of the plurality of RF devices, switching to the specified data channel and receiving data, by the collector node, on the specified data channel; collecting, by the collector node, during a collecting period, data from the plurality of RF devices; receiving, by the collector node, the data from at least one of the plurality of RF devices; and listening, during a second listening period, for an alert notification, wherein the first listening period and the collecting period occur at different times.

Abstract: The present disclosure relates to systems and methods for communicating with a radio frequency (RF) device. An exemplary method includes: listening, by the collector node, during a listening period, for a hailing signal from a plurality of RF devices on a hailing channel, the hailing signal including identification of a specified data channel; in response to receiving the hailing signal from one of the plurality of RF devices, switching to the specified data channel and receiving data, by the collector node, on the specified data channel; collecting, by the collector node, during a collecting period, data from the plurality of RF devices; and receiving, by the collector node, the data from at least one of the plurality of RF devices, wherein the listening period and the collecting period occur at different times.

Abstract: The present disclosure relates to systems and methods for communicating with a radio frequency (RF) device. An exemplary method includes: listening, by the collector node, during a listening period, for a hailing signal from a plurality of RF devices on a hailing channel, the hailing signal including identification of a specified data channel; in response to receiving the hailing signal from one of the plurality of RF devices, switching to the specified data channel and receiving data, by the collector node, on the specified data channel; collecting, by the collector node, during a collecting period, data from the plurality of RF devices; and receiving, by the collector node, the data from at least one of the plurality of RF devices, wherein the listening period and the collecting period occur at different times.

Abstract: The present disclosure relates to systems and methods for communicating with a radio frequency (RF) device. An exemplary method includes: listening, by the collector node, during a first listening period, for a hailing signal from a plurality of RF devices on a hailing channel, the hailing signal including identification of a specified data channel; in response to receiving the hailing signal from one of the plurality of RF devices, switching to the specified data channel and receiving data, by the collector node, on the specified data channel; collecting, by the collector node, during a collecting period, data from the plurality of RF devices; receiving, by the collector node, the data from at least one of the plurality of RF devices; and listening, during a second listening period, for an alert notification, wherein the first listening period and the collecting period occur at different times.