Abstract: A distorter coefficient updating apparatus, a distorter coefficient updating method, and a digital predistortion apparatus. The distorter coefficient updating apparatus is configured at an optical receiver side, and comprises a processor configured to: perform re-distortion processing on a signal after decision according to a first distorter coefficient to generate a first reference signal; and calculate a second distorter coefficient according to the first reference signal and a signal before decision, or according to the first reference signal, the signal after decision, and the signal before decision The second distorter coefficient is fed back to the processor as the first distorter coefficient of the processor in a next update, and the second distorter coefficient is fed back to a predistorter on an optical transmitter side as a predistortion coefficient for the predistorter to perform a predistortion processing on a signal input to the predistorter.

Abstract: An optical receiver includes an optical amplifier that amplifies a received optical signal containing multiple wavelengths, a monitor circuit that monitors light intensities of the demultiplexed optical signal, a processor, and a memory having information representing a relationship between a total incident light intensity of the optical signal incident onto the optical amplifier and gains of the optical amplifier for the respective wavelengths.

Abstract: A method of implementing a revocable threshold hierarchical identity-based signature scheme may include receiving an identifier associated with a user. A first secret key based on the identifier may be generated. A string and the identifier may be directed to be posted on a block of a blockchain. A second secret key may be generated using the string, the first secret key, and the identifier. The block that includes the string and the identifier may be signed using the second secret key. A message may be signed using the second secret key to generate a signature. The signature may be provided to a device. The signature may be verifiable by the device using the string and the identifier obtained from the block by the device.

Abstract: A method and apparatus for determining power, in which whether to increase target received power is determined according to a change of either of a selected SSB and a selected CSI-RS. Hence, the selected CSI-RS is taken into account, and power is increased as necessary and useless retransmission is avoided, thereby increasing the success rate of random access and reducing power consumption of the UE.

Abstract: A ceiling-embedded air conditioner includes a main unit, and a decorative panel that has an intake port and an outlet guide tube, wherein the main unit includes a box-shaped housing, a heat exchanger that is disposed inside the housing, a fan unit that is disposed inside the housing and collects air from the intake port and discharge the air from an outlet tube, and a drain pan that has an outlet port opening through which the air discharged from the outlet tube passes toward the outlet guide tube, the outlet guide tube has a top opening communicating with the outlet tube, a bottom opening facing a direction below a front plate of the housing, and a curved outlet ventilation path connecting the top opening to the bottom opening, and a bottom end of the bottom opening protrudes more downwards than the decorative panel does.

Abstract: A signal processing device includes: a first conversion circuit that, among optical signals of channels included in wavelength division multiplexed optical signal, converts electric field signals that indicate electric field components of the optical signal of a predetermined channel, from time domain signals into frequency domain signals; a filter that passes the electric field signals converted into the frequency domain signals with a passband; a second conversion circuit that converts the electric field signals, from the frequency domain signals into the time domain signals; an amplitude measurement circuit that measures first amplitudes of the electric field signals and second amplitudes of the electric field signals; and a notification circuit that notifies a power measurement device that measures power of the optical signal of the predetermined channel, of the first amplitudes and the second amplitudes used in correction of a measurement error of the power of the optical signal.

Abstract: A locker apparatus includes: a memory; and a processor coupled to the memory. The processor executes a process including: first obtaining, from a first terminal of a deliverer of a parcel that stores the parcel into a locker, notification of a first proof issued from a transmission source of the parcel to the deliverer, the first proof including identification information of the parcel, identification information of a receiver of the parcel, and identification information of the transmission source; second obtaining notification of a second proof issued from the transmission source to the receiver, the second proof including identification information of the parcel, identification information of the receiver, and identification information of the transmission source in accordance with permission to store the parcel into the locker; and unlocking the locker when contents of the first proof matches that of the second proof.

Abstract: A method including correcting output of an image sensor unit based on correction information of the image sensor unit that captures and discriminates a paper sheet. A apparatus includes an image sensor unit which includes an image capturing element that captures a banknote so as to discriminate the banknote, a controller that controls the image sensor unit, and a first attachment part, to which the image sensor unit is attached to be detachable, and which includes a connection terminal that connects the image sensor unit and the controller with each other, and which is arranged in a conveyance path for conveying the banknote.

Abstract: A storage medium storing a consideration distribution program that causes at least one computer to execute a process that includes performing verification of validity of a first transaction stored in a blockchain, the first transaction including a first cumulative consideration from a most upstream process of a supply chain to a certain process, the first transaction being locked in one step downstream process by using a hash value based on a certain random number; storing a second transaction in the blockchain when a result of the verification is valid, the second transaction including a second cumulative consideration from the most upstream process to one step upstream process, the second transaction being locked; acquiring the first cumulative consideration by unlocking the first transaction based on the certain random number; and sending the certain random number to the one step downstream process.

Abstract: An image processing device includes a processor that executes a procedure. The procedure includes: generating a manipulated image by executing first manipulation processing on an input image so as to anonymize information contained in the input image; generating a reconstructed image by performing reconstruction processing on the manipulated image to reconstruct the information; and, based on a comparison between the input image and the reconstructed image, determining whether or not to execute second manipulation processing on the input image or on the manipulated image to anonymize the information, wherein the second manipulation processing is different from the first manipulation processing.

Abstract: In order to provide a conductive heat radiation film that can stabilize the shape, a method of manufacturing a conductive heat radiation film 30 includes: a first heated film 28 including a plurality of first metal particles 27b; and a plurality of carbon nanotubes 24 including tips 24a adhered to the first heated film 28.

Abstract: A wireless communication apparatus, wherein the apparatus includes a receiver configured to receive downlink control information, the downlink control information being used to trigger PUSCH transmission, and the downlink control information including a first SRS resource indicator and a second SRS resource indicator, and a processor configured to determine whether the PUSCH transmission is transmitted according to one of the first SRS resource indicator and the second SRS resource indicator, or is transmitted according to the first SRS resource indicator and the second SRS resource indicator, according to at least one of the following indications the number of repetitions of the PUSCH transmission, a repetition scheme to which the PUSCH transmission corresponds, and an indication of a dynamic switching field in the downlink control information.

Abstract: A non-transitory computer-readable recording medium stores a program for causing a computer to execute a process, the process includes acquiring a source code that includes descriptions of a plurality of tasks to be executed in parallel, detecting descriptions of two or more communication tasks each of which controls communication, among the descriptions of the plurality of tasks defined in the acquired source code, and adding a description that forms data dependency between communication tasks chosen in accordance with execution orders of the two or more communication tasks, to each of the detected descriptions of the two or more communication tasks in the acquired source code.

Abstract: A non-transitory computer-readable storage medium storing a determination program that causes at least one computer to execute a process, the process includes obtaining a plurality of pair images of a person obtained from a overlapping region of images captured by each of a plurality of cameras; generating a directed graph including nodes corresponding to person features obtained from each of a plurality of person images included in the plurality of obtained pair images; acquiring weights of links between the nodes in the generated directed graph based on a number of person images with similar person features between the nodes; and determining a combination of the person features in which a number of the person images with the similar person features in the plurality of pair images is maximized based on the acquired weights of the links.

Abstract: A determination apparatus calculates, based on a first data group which includes data indicating behaviors of people, reference behavior data indicating a reference behavior among the people about each of a plurality of types of behaviors, acquires, from the first data group, first behavior data indicating a behavior of a first person about each behavior type, calculates difference between the first behavior data and the reference behavior data about each behavior type, determines, from the plurality of types, at least one first type whose difference is at least a first threshold, registers second behavior data indicating a behavior of the first person about each first type in a second data group, extracts third behavior data indicating a behavior of a second person from an input image, and determines whether the second person is identical with the first person based on comparison between the third and second behavior data.

Abstract: A non-transitory computer-readable recording medium storing an information processing program causing a computer to execute processing including: accepting a first request of newly coupling a second block before a first block managed by the computer, among a plurality of blocks formed to include identifiers of other blocks coupled before and after each block in the block; and controlling, in a case where the first request is accepted, the plurality of blocks such that a copy of the first block is added to the plurality of blocks and coupled after the second block.

Abstract: A wireless communication system includes: a base station that transmits a first signal including information indicating whether the control information is able to be transmitted using the channel assigned to the transmission of the data; and a terminal that receives the first signal. In a case that the timing of transmitting the data and the timing of transmitting the control information overlap with each other, the terminal transmits, when the information in the first signal indicates that the control information is not able to be transmitted using the channel, the control information to the base station using a resource other than the channel, and transmits, when the information in the first signal indicates that the control information is able to be transmitted using the channel, the control information to the base station using the channel.

Abstract: According to an aspect of an embodiment operations may include receiving, by a server, message shares. The operations may also include generating, by the server, an aggregate hash share of the message shares. In addition, the operations may include receiving, by the server, a verification vector iteration from another server and generating another verification vector iteration based on: the received verification vector iteration, a permutation that corresponds to the server, and a masking vector that corresponds to the server. The operations may also include obtaining a verification hash that is based on the verification vector and participating in a multiparty computation to determine an aggregate hash. The operations may also include determining, as part of the multiparty computation, whether one or more of the servers is operating in an adverse manner based on whether the verification hash is equal to the aggregate hash.

Abstract: A verification method for a computer to execute a process includes receiving a verification request for a first document created by a first person together with first information that identifies a reliability of document creation by the first person, the first information being generated based on evaluation information on documents created by the first person; in a case where the verification request is received, generating second information depending on the reliability of the document creation by the first person based on the received first information; and outputting a verification result of the first document, the result containing the generated second information.

Abstract: A computer-readable medium storing a program for causing a computer to execute processing in one of stages of a supply chain, the processing including: obtaining, from an immediately upstream stage, a first cumulative value being from a most upstream stage to the immediately upstream stage and a first random number used to generate a first commitment obtained by concealing the first cumulative value; generating, based on the first random number, a link commitment obtained by concealing information indicating a relationship between the immediately upstream stage and the stage; calculating, based on the first cumulative value, a second cumulative value being from the most upstream stage to the stage; generating a proof indicating that the second cumulative value is calculated using the correct first cumulative value and that is a zero-knowledge proof based on the link commitment; and causing the link commitment and the proof to be recorded in a blockchain.