Abstract: A communication method and apparatus, and an optical bus network. A controller sends, in response to discovering a target optical head end, a target optical head end identifier to the target optical head end, where the target optical head end identifier identifies the target optical head end. The controller determines a target management protocol from management protocols supported by the target optical head end. The controller communicates target information with the target optical head end based on the target optical head end identifier and the target management protocol, where the target information is used by the controller to manage the target optical head end and/or at least one optical terminal managed by the target optical head end.

Abstract: Optically coupling two or more optical transceiver integrated circuits (OTRIC) using OTRIC-on-substrate assemblies is disclosed. The optical transceiver integrated circuits may be attached to different substrates, where the substrates may allow the passage of optical signals to and from the optical transceiver integrated circuits. The OTRIC-on-substrate assemblies may comprise one or more optoelectronic device arrays, lenses and mirrors, mounts, and optical transmission medium. The optical transmission medium may be free space or and optical fiber. An optical coupling mechanism may be used in conjunction with the OTRIC-on-substrate assemblies to link optical signals between the optical transceiver integrated circuits.

Abstract: A method of processing an image, performed by a computing apparatus including a processor, according to some exemplary embodiments of the present disclosure, may include: obtaining an image; obtaining, from the image, analysis information corresponding to an object included in the image by using an object analysis model; and obtaining, from the analysis information corresponding to the object, a character contained in the object by using an OCR model. The representative drawing may be FIG. 2.

Abstract: A waveguide estimation device includes: a time window processing unit that multiplies time-series tap coefficients of an adaptive filter by a time window function; and an estimation unit that estimates at least one of a differential group delay in a frequency series or a time series and a polarization dependent loss in a frequency series or a time series based on the time-series tap coefficients in a time window. The estimation unit may estimate at least one of the differential group delay in a frequency series or a time series and the polarization dependent loss in a frequency series or a time series based on a tap coefficient exceeding a lower limit threshold value or falling below an upper limit threshold value among the time-series tap coefficients in a time window. The estimation unit may estimate the average value of the differential group delays in a frequency series or a time series.

Abstract: An apparatus configured to perform obtaining a stream of codewords, including a first type codeword and a second type codeword, wherein, the first type codeword is an idle codeword, and the second type codeword includes data intended for at least one of the ONUs; obtaining, an interleaved bitstream from the stream of codewords based on an interleaving scheme, wherein, in the interleaved bitstream, bits at positions corresponding the first type codeword include redundant bits, and bits at positions corresponding to the second type codeword include information bits; determining values for one or more redundant bits placed between two adjacent information bits in the interleaved bitstream based on the values of either or both of the two adjacent information bits; and transmitting the interleaved bitstream to one or more of the ONUs.

Abstract: Aspects of the subject disclosure may include, for example, receiving artificial intelligence (AI) analytics from a generative AI system, and based on the AI analytics, causing a software defined network (SDN) controller to identify a signaling path over a quantum signaling network, thereby enabling selection of a determined suitable path for quantum entanglement distribution. Other embodiments are disclosed.

Abstract: Various systems, methods, and devices for identifying intraoperative bleeding are described. An example method includes identifying a first frame depicting a surgical scene; identifying a second frame depicting the surgical scene; identifying whether the second frame depicts bleeding by analyzing the first frame and the second frame; and outputting the second frame with an augmentation indicating whether bleeding is depicted in the second frame.

Abstract: Coherent phase recovery method includes producing, with a transmit-side frequency-comb source, a first frequency-comb signal that includes a pilot tone and a first optical tone having a first center wavelength that differs from a pilot center wavelength of the pilot tone. The method also includes coherently modulating the first optical tone to yield a first modulated signal; and generating a second frequency-comb signal with a receive-side frequency-comb source driven by the pilot tone. The method also includes extracting, from the second frequency-comb signal, a first local-oscillator tone having the first center wavelength; and demodulating the first modulated signal by homodyning the first modulated signal with the first local-oscillator tone.

Abstract: A method for tuning one or more tunable optical transceivers is disclosed herein. A controller assigns a particular wavelength to a tunable optical transceiver of the one or more tunable optical transceivers, where the one or more tunable optical transceivers and the controller are connected via an Inter-Integrated Circuit (I2C) interface. The tunable optical transceiver transmits an optical signal using the particular wavelength, where the particular wavelength is finalized for the tunable optical transceiver when an interrupt at a receiving port of the tunable optical transceiver is received.

Abstract: Circuits, methods, and apparatus that can transfer data and power between an optical-communication device and an electronic device without the need for electrical contacts on the electronic device. An example can include infrared transmitters and receivers in both the optical-communication device and the electronic device for optical communication. This can further include a coil in the optical-communication device that can be powered to inductively induce currents in a corresponding coil in the electronic device to charge a battery. One or more attachment components, such as magnets or magnetic elements, can be used to secure the optical-communication device to the electronic device. The optical-communication device to the electronic device can each include an alignment magnet or magnetic element.

Abstract: Systems and methods are provided for modifying video content to improve lighting of a person's face depicted within the video content. Pixels depicting skin may be detected in a first frame of the video content. Transformation parameters may then be determined based on intensity values of the pixels depicting skin, where the transformation parameters represent adjusted pixel intensity values determined to improve at least one of brightness or contrast of the pixels depicting skin. Based on the transformation parameters, intensity association data may be generated and stored that associates each possible input pixel intensity value in at least one channel with a corresponding adjusted pixel intensity value. The stored intensity association data as determined with respect to the first frame may then be reused to modify intensity values for a series of frames of the video content.

Abstract: Disclosed is an image dehazing method, including: obtaining a second dark channel map corresponding to a target image based on a first dark channel value corresponding to each pixel in the target image; obtaining an atmospheric light value; obtaining a haze intensity value; obtaining a dehazing intensity correction value based on the haze intensity value, a first dark channel value corresponding to each pixel in a first dark channel map, or a brightness value corresponding to each pixel in the target image; obtaining an estimated value of a transmittance based on the dehazing intensity correction value, a second dark channel value corresponding to each pixel in the second dark channel map, and the atmospheric light value; and obtaining an estimated dehazed image based on the estimated value of the transmittance, the target image and the atmospheric light value. Therefore, the generation of the halo effect can be avoided.

Abstract: A coherent receiver optical sub-assembly photonic integrated circuit has optical input ports, electrical output ports, photodetectors, and a single multi-mode interference (MMI) coupler. The optical input ports receive a phase modulated optical signal (S) and a continuous wave local oscillator (LO) optical signal. The electrical output ports output electrical signals corresponding to mixing products of the S and LO optical signals. The photodetectors are connected to the electrical output ports through electrical lines. The MMI coupler has a main body, input access waveguides, and output access waveguides. The input access waveguides receive the S and LO optical signals from the input ports and launch light to the main body. The output access waveguides are connected to respective ones of the photodetectors through optical waveguides. The output access waveguides collect multi-mode interference signal products from the main body and deliver the mixing products of the S and LO optic signals.

Abstract: An apparatus comprises at least one processing device configured to receive, at a first hardware component of an information technology asset, sideband management data for the information technology asset. The at least one processing device is also configured to utilize a first light-based communication module of the first hardware component to convert the received sideband management data into one or more visible light communication signals. The at least one processing device is further configured to transmit the received sideband management data by providing the one or more visible light communication signals from the first light-based communication module of the first hardware component of the information technology asset to a second light-based communication module of a second hardware component of the information technology asset.

Abstract: The application relates to a unique optoelectronic module configured to operate simultaneously at high-speed bit rate and low speed bit rate, thanks to a reconfigurable system on a chip, i.e. a programmable unit on a chip. This reconfigurable system embeds the electronic circuitry of the low-speed channel(s), i.e. at least the driver when the link is a transmission channel, or at least the amplifier when the link is a receiver channel.

Abstract: One aspect of the present invention is a receiving apparatus including a reception unit that receives signal light frequency-modulated by a signal obtained by adding a main signal and a control signal having a lower frequency than the main signal, and converts the signal light into an analog electric signal, and a processing unit that acquires a code sequence corresponding to the control signal on the basis of the analog electric signal, in which the processing unit includes a frequency offset amount acquisition unit that acquires a frequency offset amount of the signal light acquired on the basis of the analog electric signal, and a determination unit that determines the code sequence corresponding to the control signal on the basis of the frequency offset amount acquired by the frequency offset amount acquisition unit.

Abstract: An optical path route design device includes a transmission/reception route selection unit, a candidate selection unit, an existence judgement unit, a maximum resource 3R selection unit, and a new 3R selection unit. The design device selects relay stations in which two transmission/reception end points are arranged, selects a route pair of an active system-0 route and a standby system-1 route, which connects the transmission/reception end points with each other and does not overlap each other, and a backup third route detouring from the route pair via one or more relay stations, and arranges a resource amount of predetermined wavelengths in a shared 3R which is on the third route and shared by a plurality of route pairs.

Abstract: An image analysis method includes the steps of obtaining a saturation channel image according to an original image; extracting several contours from the saturation channel image; determining target parameter values corresponding to each contour; and determining according to analysis results of the target parameter values corresponding to each contour whether there is a non-working region in the original image. A related image analysis device, computer device, and computer-readable storage medium are also disclosed.

Abstract: The present invention provides an optical amplification system (1) having a plurality of cascade-connected optical amplification units (11), wherein the optical amplification units (11) comprise: a band division unit (111) that divides an optical signal into optical signals of two different bands; a polarized wave division unit (112) that divides the divided optical signals into two polarized wave components orthogonal to each other, an excitation light multiplexing unit (113) that multiplexes excitation light and the optical signals divided by the polarized wave division unit (112); an amplification medium (115) that generates an optical parametric amplification and amplifies the optical signals; an excitation light division unit (117) that divides the excitation light and the optical signals amplified by the amplification medium (115); a polarized wave synthesis unit (118) that synthesizes the two divided polarized wave components; and a band multiplexing unit (119) that multiplexes the two divided bands.

Abstract: An image processing method and apparatus, a device and a storage medium. The method comprises: acquiring a trigger instruction of a user and a first image, wherein the first image comprises two or more sub-images, and the positions of the two or more sub-images on the first image are disarranged; according to the trigger instruction, randomly exchanging the positions of the sub-images on the first image, displaying a process of randomly exchanging the sub-images until all the sub-images on the first image are restored to the position before the disarrangement, and obtaining a second image; and displaying the second image obtained by restoration.