Abstract: A system includes a data carrier drive apparatus and a data carrier apparatus. The data carrier apparatus includes a unit to output transmission data during a first state and adjustment data during a second state, and a current changer configured to change a current value of a current flowing from the data carrier drive apparatus to the data carrier apparatus according to data values of the transmission data and the adjustment data. The data carrier drive apparatus includes a detector to detect a detection value corresponding to the current value of the current, a determiner to determine the data value of the transmission data by comparing the detection value with a threshold value during the first state, and an updater to update the threshold value based on the detection value during the second state.

Abstract: An information processing apparatus includes: a memory; and a processor coupled to the memory and the processor configured to: acquire a plurality of sample videos; identify a position and time at which an attribute appears in each of the plurality of sample videos, the attribute being output by each of one or more pre-trained models to which each of the plurality of sample videos is input; cluster attribute labels based on the position and time of the attribute for each of the plurality of sample videos; and generate a rule by combining attribute labels included in a cluster having a highest frequency of appearance among cluster groups obtained for all of the plurality of sample videos.

Abstract: A machine learning method executed by a computer, the method includes distributing a first learning model learned on the basis of a plurality of logs collected from a plurality of electronic devices to each of the plurality of electronic devices, the first learning model outputting operation content for operating an electronic device; when an operation different from an output result of the first learning model is performed by a user relative to a first electronic device among the plurality of electronic devices, estimating a similar log corresponding to a state of the learning model in which the different operation is performed from the plurality of logs; generating a second learning model on the basis of a log obtained by excluding a log of a second electronic device associated with the similar log from among the plurality of logs; and distributing the second learning model to the first electronic device.

Abstract: A control method for causing a computer to perform a process includes: obtaining a trained model for each area of a plurality of areas; detecting a first radiation temperature for each of the areas; blowing blowout air to an area where temperature unevenness is predicted among the plurality of areas on a basis of the detected first radiation temperature for each of the areas and the trained model; detecting a second radiation temperature for the area after the blowout air is blown; and executing re-training of the trained model on a basis of a label related to temperature unevenness created on a basis of the second radiation temperature and the second radiation temperature.

Abstract: A non-transitory computer-readable storage medium storing a selection program that causes at least one computer to execute a process, the process includes receiving identification information regarding a terminal from the terminal; selecting one or more user state transition patterns, a number of which is according to the identification information, from among a plurality of the user state transition patterns, which are a plurality of patterns of user state transition obtained by clustering information that indicates the user state transition, which is a time-series transition of a state of a user during a predetermined unit time; and transmitting the one or more user state transition patterns to the terminal.

Abstract: An apparatus for determining a type of a recording medium is provided. A detection unit detects a characteristic value indicating a physical characteristic of a recording medium. A measurement unit measures a moisture content correlated with a moisture content of the recording medium. A determination unit determines the type of the recording medium based on the moisture content and the characteristic value. The determination unit may correct the characteristic value using the moisture content or correct a rule for determining the type of the recording medium using the moisture content unit, and determines the type of the recording medium in accordance with the corrected characteristic value or the corrected rule.

Abstract: A non-transitory computer-readable storage medium storing a program that causes a computer to execute a process, the process includes learning a learning model using a first training data group obtained by excluding a test data group from a plurality of training data items; calculating prediction accuracy of the learning model using the test data group; and when the prediction accuracy satisfies the predetermined requirement, learning an error prediction model for determining whether an error of a value predicted by the learning model satisfies a predetermined requirement, by using a second training data group obtained by excluding the test data group and the first training data group from the plurality of training data items.

Abstract: An image forming apparatus includes a conveyance unit, an irradiation unit, an image capturing unit configured to capture a plurality of times the light radiated by the irradiation unit and reflected on the recording material as surface images, an image formation unit, and a control unit, wherein the conveyance unit accelerates or decelerates a conveyance speed of the recording material in at least a part of an image capturing period during which the image capturing unit captures the surface images the plurality of times, and wherein the control unit obtains a feature quantity from a plurality of surface images captured by the image capturing unit and controls the image forming condition based on the obtained feature quantity and a threshold value set according to the conveyance speed of the recording material in the image capturing period.

Abstract: A system includes a data carrier drive apparatus and a data carrier apparatus. The data carrier apparatus includes: an unit configured to output transmission data during a first state and adjustment data during a second state; and a current changer configured to change a current value of a current flowing from the data carrier drive apparatus to the data carrier apparatus according to data values of the transmission data and the adjustment data. The data carrier drive apparatus includes: a detector configured to detect a detection value corresponding to the current value of the current; a determiner configured to determine the data value of the transmission data by comparing the detection value with a threshold value during the first state; and an updater configured to update the threshold value based on the detection value during the second state.

Abstract: A non-transitory computer-readable recording medium storing a program that causes a computer to execute a procedure, the procedure includes generating, for each of a plurality of wafers, extended coordinates including a position on the wafer and a value calculated from a distance from a center of the wafer and a contribution parameter, for each defect on the wafer by using information of a defect position on the wafer, generating a Betti number group by persistent homology processing for a plurality of extended coordinates generated for each of the plurality of wafers generating, for each of the plurality of wafers, a defect pattern image from a plurality of Betti number groups generated for the plurality of values of contribution parameter, and generating machine learning data associating a plurality of defect pattern images generated for the plurality of wafers with determination information associated with the plurality of wafers.

Abstract: Provided is a method of producing an amide compound, the method including: obtaining a reaction solution containing an amide compound by bringing a microbial cell containing nitrile hydratase, or a processed product of the microbial cell, into contact with a nitrile compound in an aqueous medium in a first reactor; and causing the obtained reaction solution containing an amide compound to react in a second reactor having a plug-flow region, in which the Reynolds number in the second reactor is controlled to from 5 to 1,000.

Abstract: A protection member is arranged such that the distance from an opening plane of a reception guide to the center of the protection member is half of the distance from the opening plane of the reception guide to the surface of a reception vibration member. In other words, the arrangement position of the protection member is in the center between the opening plane of the reception guide and the surface of the reception vibration member. Accordingly, even if a protection member is arranged, a transmission coefficient is obtained that is equal to a transmission coefficient in the case where no protection member is present.

Abstract: An image forming apparatus comprises a light-emission unit, a reflecting member, a light-receiving unit, a detection unit, a ventilation unit configured to send air to the reflecting member, and a control unit. The control unit adjusts at least one of an operation duration and an airflow rate of the ventilation unit, in accordance with a detection signal outputted by the light-receiving unit when a sheet is not at a position where light crosses a conveyance path.

Abstract: A method of authenticating a target apparatus by an authentication apparatus that holds a first original key out of a plurality of original keys, and an identifier of the first original key, the target apparatus holding a first value and a plurality of derived keys generated by the plurality of original keys and the first value as inputs to a one-way function, the method includes: the target apparatus selecting a selected key from the plurality of derived keys based on the identifier and generating authentication data based on challenge data and a first generated key based on the selected key; and the authentication apparatus generating an authentication key by the first original key and the first value using the one-way function and generating comparison data based on the challenge data and a second generated key based on the authentication key.

Abstract: A machine learning method executed by a computer, the method includes distributing a first learning model learned on the basis of a plurality of logs collected from a plurality of electronic devices to each of the plurality of electronic devices, the first learning model outputting operation content for operating an electronic device; when an operation different from an output result of the first learning model is performed by a user relative to a first electronic device among the plurality of electronic devices, estimating a similar log corresponding to a state of the learning model in which the different operation is performed from the plurality of logs; generating a second learning model on the basis of a log obtained by excluding a log of a second electronic device associated with the similar log from among the plurality of logs; and distributing the second learning model to the first electronic device.

Abstract: An information processing apparatus includes: a memory; and a processor coupled to the memory and the processor configured to: acquire a plurality of sample videos; identify a position and time at which an attribute appears in each of the plurality of sample videos, the attribute being output by each of one or more pre-trained models to which each of the plurality of sample videos is input; cluster attribute labels based on the position and time of the attribute for each of the plurality of sample videos; and generate a rule by combining attribute labels included in a cluster having a highest frequency of appearance among cluster groups obtained for all of the plurality of sample videos.

Abstract: An image forming apparatus includes a conveyance unit, an irradiation unit, an image capturing unit configured to capture a plurality of times the light radiated by the irradiation unit and reflected on the recording material as surface images, an image formation unit, and a control unit, wherein the conveyance unit accelerates or decelerates a conveyance speed of the recording material in at least a part of an image capturing period during which the image capturing unit captures the surface images the plurality of times, and wherein the control unit obtains a feature quantity from a plurality of surface images captured by the image capturing unit and controls the image forming condition based on the obtained feature quantity and a threshold value set according to the conveyance speed of the recording material in the image capturing period.

Abstract: An apparatus for determining a type of a recording medium is provided. A detection unit detects a characteristic value indicating a physical characteristic of a recording medium. A measurement unit measures a moisture content correlated with a moisture content of the recording medium. A determination unit determines the type of the recording medium based on the moisture content and the characteristic value. The determination unit may correct the characteristic value using the moisture content or correct a rule for determining the type of the recording medium using the moisture content unit, and determines the type of the recording medium in accordance with the corrected characteristic value or the corrected rule.

Abstract: Various embodiments include an image forming unit configured to form an image on a recording material, an illumination unit configured to emit light, an image capturing unit configured to capture light emitted by the illumination unit and reflected by the recording material as a surface image including a plurality of pixels, and a control unit configured to calculate a first feature quantity from a difference of output values of a plurality of pixels arranged in a first direction, and calculate a second feature quantity from a difference of output values of a plurality of pixels arranged in a second direction intersecting the first direction in the surface image captured by the image capturing unit, and control an image forming condition of the image forming unit based on the calculated first feature quantity and the calculated second feature quantity.

Abstract: An apparatus for determining a type of a recording medium is provided. A detection unit detects a characteristic value indicating a physical characteristic of a recording medium. A measurement unit measures a moisture content correlated with a moisture content of the recording medium. A determination unit determines the type of the recording medium based on the moisture content and the characteristic value. The determination unit may correct the characteristic value using the moisture content or correct a rule for determining the type of the recording medium using the moisture content unit, and determines the type of the recording medium in accordance with the corrected characteristic value or the corrected rule.