242 patents
Page 6 of 13
Utility
Image Decoding Device, Image Decoding Method, and Program
2 Jun 22
An image decoding device includes a quantization parameter deriving unit configured to correct a value of a decoded quantization parameter of a target block depending on whether or not adaptive color transform has been applied to the target block, and then set, as the quantization parameter of the target block, the larger of the corrected value of the quantization parameter and a predetermined value of “0” or more.
Kyohei UNNO, Kei KAWAMURA, Sei NAITO
Filed: 17 Feb 22
Utility
Image Decoding Device, Image Decoding Method, and Program
2 Jun 22
An image decoding device (200) includes: a prediction signal generation unit (241D) configured to determine whether or not an application condition of BDOF processing is satisfied for each block, generate a prediction signal by executing the BDOF processing in a case where it is determined that the application condition is satisfied, and set the application condition based on a weight coefficient in a case where calculation is performed using pixel values of two reference frames or values calculated from the pixel values in the BDOF processing such that the application condition includes a condition on time distances between the two reference frames and a target frame.
Kyohei UNNO, Kei KAWAMURA, Sei NAITO
Filed: 17 Feb 22
Utility
Image Decoding Device, Image Decoding Method, and Program
2 Jun 22
An image decoding device includes: a chroma quantization parameter offset initialization unit configured to initialize a chroma offset based on a result of decoding coded data; a chroma offset deriving unit configured to set and derive the chroma offset based on the result of decoding the coded data; a chroma deriving unit configured to derive a chroma based on the chroma offset derived by the chroma offset deriving unit; and a coding unit level chroma QP initialization unit configured to initialize the chroma QP offset for each coding unit that is not recursively partitioned.
Kei KAWAMURA, Sei NAITO
Filed: 18 Feb 22
Utility
Optical Transmitter and Optical Transmission Method
26 May 22
An optical transmitter configured to transmit an optical signal to a photodiode includes: an angle modulator configured to perform angle modulation with respect to a transmission signal; and an optical tone signal generator configured to generate an optical tone signal, and the optical transmitter transmits an optical signal that includes a single sideband signal corresponding to an angle modulated transmission electrical signal and the optical tone signal that is disposed on a higher frequency side or a lower frequency side of a frequency band of the single sideband signal.
Shota ISHIMURA, Hsuan-Yun KAO, Kazuki TANAKA, Kosuke NISHIMURA, Masatoshi SUZUKI
Filed: 7 Feb 22
Utility
Image Decoding Device, Image Decoding Method, and Program
26 May 22
An image decoding device includes: a prediction signal generation unit that generates a prediction signal by intra prediction, wherein in a block to which intra sub-partitions are applied, the prediction signal generation unit refers to a pixel of a decoded block adjacent to the block when generating prediction signals of all sub-blocks in the block.
Kyohei UNNO, Yoshitaka KIDANI, Kei KAWAMURA, Sei NAITO
Filed: 2 Mar 20
Utility
Flight management device and flying device
24 May 22
A flight management device for managing a flying device which includes an identification unit configured to identify that the flying device is likely to fall and a communication unit configured to transmit the notification information representing that the flying device is likely to fall to the flight management device together with the position information representing a position in flight when the flying device is likely to fall. a notification unit configured to transmit warning information to a vehicle at a position corresponding to position information when notification information has been received from the flying device in flight.
Masayuki Tachiiwa
Filed: 13 Feb 19
Utility
Information Processing Device and Information Processing Method
12 May 22
A privilege provision device according to an embodiment of the present invention includes a payment token request reception unit configured to receive a token request including user identification information from a user terminal, a token generation unit configured to generate a token associated with coupon identification information and the user identification information, a token transmission unit configured to transmit the token to the user terminal, a payment request reception unit configured to receive a payment request including the token from a store terminal, a validity determination unit configured to determine whether or not a coupon associated with the coupon identification information is valid at the time of the reception of the token request, and a privilege provision unit configured to provide the user with a privilege by the coupon associated with the coupon identification information corresponding to the token is in a case where the validity determination unit determines that the coupon is valid.
Haruka SHIMIZU, Naoya KADOWAKI
Filed: 6 Mar 20
Utility
Terminal Apparatus, Base Station Apparatus, Control Method, and Storage Medium In System That Can Execute Full-duplex Communication
12 May 22
A terminal apparatus notifies, when transmitting an uplink second signal to a base station apparatus using a wireless resource that is used when receiving a downlink first signal transmitted from the base station apparatus, the base station apparatus of information indicating whether or not the terminal apparatus has a capability of suppressing influence of interference of the second signal on the first signal.
Issei KANNO, Ryochi KATAOKA, Yutaro KURITA
Filed: 27 Jan 22
Utility
Control Apparatus
12 May 22
A plurality of schedulers each corresponding to one or more slices perform, in a same cell formed by one RU, scheduling of radio resources for a UE that uses a corresponding slice.
Shigeo TERABE, Toshiaki YAMAMOTO, Hayato FUKUDA, Yuu TSUKAMOTO, Haruhisa HIRAYAMA, Shinobu NANBA
Filed: 26 Jan 22
Utility
Wireless Communication Device, Communication Control Method, and Computer Program
12 May 22
A wireless communication device installed in a flying vehicle, includes a wireless communication part configured to receive a wireless signal transmitted from a wireless base station, a cell counter configured to count the number of cells corresponding to wireless base stations identified by wireless signals received by the wireless communication part, and a communication controller configured to change a communication party selecting method to select the wireless base station serving as a communication party from among a plurality of wireless base stations serving as communication party candidates when an increment or a decrement of a unit-time cell count representing the counting result of the cell counter in a predetermined time is equal to or more than a predetermined threshold.
Hiroki TAKEDA, Shingo WATANABE
Filed: 27 Jan 22
Utility
Maintenance system and maintenance method
10 May 22
A maintenance system includes a server device, a terminal device, and an in-vehicle device installed in a vehicle.
Keisuke Takemori, Seiichirou Mizoguchi, Akinori Totsuka, Hiroshi Ishizuka
Filed: 22 Jun 18
Utility
Communication control apparatus, control method thereof, and storage medium
10 May 22
A communication controller (communication control apparatus) acquires, from an MEC node (NW information collection unit), cell transition information for each vehicle that moves in a plurality of cells formed by a plurality of base stations connected to the MEC node.
Tomonobu Niwa, Koutarou Ichikawa, Takeshi Kitahara
Filed: 8 Jul 20
Utility
Communication system, relay server, communication method and program
26 Apr 22
A communication system includes a communication device, a plurality of servers configured to communicate with the communication device, a plurality of communication lines corresponding to a plurality of servers, and a relay server.
Akihiro Shindou, Keisuke Tsuji, Junji Kinoshita
Filed: 22 Nov 17
Utility
Communication control device, communication setting method, communication setting program, and communication system
19 Apr 22
A communication control device according to one embodiment of the present invention includes: a storage unit configured to store conditions for setting a profile used by a communication device for communication; a profile setting unit configured to start to set the profile for the communication device in a case in which a signal received from the communication device satisfies the conditions stored in the storage unit; and a condition setting unit configured to invalidate the conditions stored in the storage unit in a case in which the profile setting unit starts to set the profile and configured to validate conditions for setting a profile used by the communication device for communication in a case in which the profile setting unit has failed in setting the profile.
Koichi Okita, Shingo Maruyama, Junichi Hashimoto
Filed: 20 Feb 19
Utility
Wireless communication device, communication control method, and computer program
8 Mar 22
A wireless communication device installed in a flying vehicle, includes a wireless communication part configured to receive a wireless signal transmitted from a wireless base station, a cell counter configured to count the number of cells corresponding to wireless base stations identified by wireless signals received by the wireless communication part, and a communication controller configured to change a communication party selecting method to select the wireless base station serving as a communication party from among a plurality of wireless base stations serving as communication party candidates when an increment or a decrement of a unit-time cell count representing the counting result of the cell counter in a predetermined time is equal to or more than a predetermined threshold.
Hiroki Takeda, Shingo Watanabe
Filed: 7 Mar 18
Utility
Image processing apparatus and image processing method
1 Mar 22
An image processing apparatus comprises means for selecting, from a single image, a range where a target pixel is made to be a reference, means for approximating a distribution of pixel values of the selected range by a function that represents a curved surface, and means for calculating a vector related to the distribution of pixel values from a parameter of the function obtained as a result of the approximation.
Masahiro Suzuki, Tomoaki Ueda
Filed: 24 Apr 19
Utility
Vehicle information collection system, vehicle-mounted computer, vehicle information collection device, vehicle information collection method, and computer program
1 Mar 22
An in-vehicle computer generates a message authentication code about its own log using its own signature key and thereby transmits a log annotated with its message authentication code to a vehicle information collection device.
Keisuke Takemori, Seiichiro Mizoguchi, Hideaki Kawabata, Ayumu Kubota
Filed: 28 Aug 17
Utility
Flying Device, Control Device, Communication Control Method, and Control Method
17 Feb 22
A flying device that flies by being controlled from an external location, the flying device including a determination unit that determines a communication quality on a first wireless communication channel used for transmitting data to a control device that controls the flying device within a prescribed range from a flight position at which the flying device is flying; and a transmission control unit that controls a type of data to be transmitted to the control device on the basis of the communication quality determined by the determination unit.
Tomoaki MATSUKI, Masafumi HIRONO
Filed: 1 Nov 21
Utility
Image Decoding Device, Image Decoding Method, and Program
10 Feb 22
An image decoding device includes: a motion vector decoding unit that decodes a motion vector from encoded data; a refinement unit that performs refinement processing to correct the decoded motion vector; and a predictive signal generation unit that generates a predictive signal on the basis of the corrected motion vector outputted from the refinement unit.
Kyohei UNNO, Kei KAWAMURA, Sei NAITO
Filed: 4 Mar 20
Utility
Measurement apparatus of optical communication system
8 Feb 22
A measurement apparatus includes: a light source unit configured to generate optical signals of, from among n+1 frequencies (n is an integer of 3 or larger) at a predetermined frequency interval, n frequencies except for a target frequency, and output the generated optical signals to an optical transmission path that is a measurement target; an optical power measurement device configured to measure of an optical signal of the target frequency output from the optical transmission path and generated in the optical transmission path as a result of four-wave-mixing of the optical signals of the n frequencies; and a processor configured to determine a power spectrum density of non-linear interference noise that occurs in the optical transmission path, by multiplying the power of the optical signal of the target frequency by an adjustment value.
Hidenori Taga, Takehiro Tsuritani, Hidenori Takahashi
Filed: 24 Nov 20