Abstract: An image processing method, a terminal, and a non-transitory computer-readable storage medium are disclosed. The method includes: obtaining a first exposure compensation value from a global portion of an image; obtaining a second exposure compensation value from a portrait portion of the image; obtaining a final exposure compensation value according to the first exposure compensation value and the second exposure compensation value; and processing, according to the final exposure compensation value, exposure compensation to the image.

Abstract: Methods described herein relate to creating a visual map of an environment free of scene clutter. Methods may include: receiving sensor data from at least one image sensor, where the sensor data is representative of a plurality of images, each image representative of a scene at a scene location; processing each image using semantic scene segmentation to identify segments of the image of the scene; classifying the segments of each of the images of the scene into one of static elements or dynamic elements; generating a decluttered image of the scene, where the decluttered image includes only elements classified as static elements; providing for storage of the decluttered image of the scene in a database; and identifying a location of a device as the scene location in response to sensor data from the device corresponding to the decluttered image of the scene.

Abstract: An image inspecting apparatus includes a reader that reads an image on a recording material formed in an image forming apparatus and generates read image data and an image analyzer that performs analysis to determine abnormality for the read image data by using a threshold value and creates an analysis result. The image analyzer makes pixels constituting the read image data a target pixel sequentially and performs determination of abnormality for the target pixel by using the threshold value calculated by using a threshold value calculating method. The threshold value calculating method includes a plurality of threshold value calculating methods, and a first threshold value calculating method is switched to other threshold value calculating method correspondingly to a number of pixels included in a region for calculating a threshold value.

Abstract: A system for defect review and classification is disclosed. The system may include a controller, wherein the controller may be configured to receive one or more training images of a specimen. The one or more training images including a plurality of training defects. The controller may be further configured to apply a plurality of difference filters to the one or more training images, and receive a signal indicative of a classification of a difference filter effectiveness metric for at least a portion of the plurality of difference filters. The controller may be further configured to generate a deep learning network classifier based on the received classification and the attributes of the plurality of training defects. The controller may be further configured to extract convolution layer filters of the deep learning network classifier, and generate one or more difference filter recipes based on the extracted convolution layer filters.

Abstract: A method of compressing image data that comprise a plurality of pixel values that are associated with a respective pixel is described, wherein the pixel values are compressed for at least some pixels in accordance with the following steps: associating the respective pixel with one of a plurality of pixel groups in accordance with a predetermined grouping scheme, with each of the plurality of pixel groups being defined by the pixels of a plurality of predetermined pixel alignments or by a subset of pixels of a plurality of predetermined pixel alignments; determining an estimated pixel value of the respective pixel in dependence on the pixel value of at least one predetermined other pixel while using at least one estimation rule, with the at least one predetermined other pixel being selected in dependence on the pixel group of the respective pixel; forming a difference value of the respective pixel that corresponds to a predetermined relation between the pixel value and the estimated pixel value of the respecti

Abstract: Concepts and technologies directed to optical networking with hybrid optical vortices are disclosed herein. Embodiments can include a system that is configured to perform operations for optical networking with hybrid optical vortices. The system can include a hybrid optical switch that can communicatively couple with another network device via one or more nanofiber communication paths. The operations can include receiving, from a first nanofiber communication path, a hybrid optical vortex that carries an internet protocol packet. The operations also can include decoupling the hybrid optical vortex to extract an optical vortex that encapsulates the internet protocol packet. The operations also can include switching the internet protocol packet to a subsequent communication path based on the optical vortex that encapsulates the internet protocol packet.

Abstract: A power over fiber system transmits feed light and signal light through an optical fiber. The optical fiber includes a first transmission path and a second transmission path. The first transmission path is a core or a cladding, and the second transmission path is a cladding located on a periphery of the first transmission path. The feed light propagates through the first transmission path, and the signal light propagates through the second transmission path.

Abstract: In some embodiments, a method determines a plurality of classes of bins that are used to determine a context model for entropy coding of a current block in a video. The method calculates a first value for a first class of bins in the plurality of classes of bins and calculates a second value for a second class of bins in the plurality of classes of bins. The first value for the first class of bins is weighted by a first weight to generate a weighted first value and the second value for the second class of bins is weighted by a second weight to generate a weighted second value. The method then selects a context model based on the first weighted value and the second weighted value.

Abstract: Embodiments are directed towards providing a target view, from a target viewpoint, of a 3D object. A source image, from a source viewpoint and including a common portion of the object, is encoded in 2D data. An intermediate image that includes an intermediate view of the object is generated based on the data. The intermediate view is from the target viewpoint and includes the common portion of the object and a disoccluded portion of the object not visible in the source image. The intermediate image includes a common region and a disoccluded region corresponding to the disoccluded portion of the object. The disoccluded region is updated to include a visual representation of a prediction of the disoccluded portion of the object. The prediction is based on a trained image completion model. The target view is based on the common region and the updated disoccluded region of the intermediate image.

Abstract: In an image data generating apparatus, an image processor acquires target output image data converted from target input image data by a pre-trained model. The target input image data represents a captured image of a target product. The target output image data represents an image of a target product free from defects. The pre-trained model performs data compression and data decompression on inputted image data. The image processor generates first data by performing a first generation process on the target input image data. The first generation process includes a luminosity adjustment process adjusting luminosity in image data. The image processor generates second data by performing a second generation process including the luminosity adjustment process on the target output image data. The image processor generates inspection image data by using a difference between the first data and the second data for inspecting an external appearance of the target product.

Abstract: Methods and systems for a low-voltage integrated silicon high-speed modulator may include an optical modulator comprising first and second optical waveguides and two optical phase shifters, where each of the two optical phase shifters may comprise a p-n junction with a horizontal section and a vertical section and an optical signal is communicated to the first optical waveguide. A portion of the optical signal may then be coupled to the second optical waveguide. A phase of at least one optical signal in the waveguides may be modulated utilizing the optical phase shifters. A portion of the phase modulated optical signals may be coupled between the two waveguides, thereby generating two output signals from the modulator. A modulating signal may be applied to the phase shifters which may include a reverse bias.

Abstract: Systems and methods for controlling optical powers of optical channels in an optical communications network comprising a plurality of nodes is described herein. The method comprises obtaining a reference optical power. The method also includes determining an optical power of an optical channel generated by an optical transmitter of a node. The method further includes applying an attenuation to the optical channel to reduce the optical power of the optical channel to the reference optical power. In some implementations, the method is performed by a network controller operating in the optical communications network.

Abstract: An image processing apparatus includes a detection unit configured to detect a first region in which a foreground object is present with respect to a plurality of captured images, a retention unit configured to retain a first background image, a generation unit configured to generate a second background image based on portions of each of the plurality of captured images which are not detected as a first region, and an output unit configured to select one of the first background image and the second background image based on a property of the second background image, and configured to output, based on the selected background image and the first region, an image in which the foreground object is obscured.

Abstract: A method for tracking a reference picture on an electronic device is described. The method includes receiving a bitstream. The method also includes decoding a portion of the bitstream to produce a decoded reference picture. The method further includes tracking the decoded reference picture in a decoded picture buffer (DPB) with reduced overhead referencing. The method additionally includes decoding a picture based on the decoded reference picture.

Abstract: Today's communications require an effective yet scalable way interconnection of data centers and warehouse scale computers (WSCs) whilst operators must provide a significant portion of data center and WSC applications free of charge to users and consumers. At present, data center operators face the requirement to meet exponentially increasing demand for bandwidth without dramatically increasing the cost and power of the infrastructure employed to satisfy this demand. Simultaneously, consumer expectations of download/upload speeds and latency in accessing content provide additional pressure. Accordingly, the inventors provide a number of optical switching fabrics which reduce the latency and microprocessor loading arising from the prior art Internet Protocol multicasting techniques.

Abstract: An optical receiver module which receives a first optical signal including a continuous signal or a burst signal includes: a variable optical attenuator which adjusts the first optical signal to output a second optical signal; a semiconductor optical amplifier which amplifies the second optical signal to output a third optical signal; and a controller which controls an output of at least one of the variable optical attenuator and the semiconductor optical amplifier so as to cause the semiconductor optical amplifier to operate in a region in which gain saturation of the semiconductor optical amplifier does not occur, on the basis of at least one of: a power obtained by suppressing an outside portion of the wavelength band of the first optical signal in the third optical signal; and a power obtained by extracting the outside portion of the wavelength band of the first optical signal in the third optical signal.

Abstract: The present invention relates to a Power over Ethernet system (100) which supports additional optical communication via optical fibres. The powered devices (d1, d2, d3) may comprise circuitry to process optical signals, in particular triggering activation of the powered device (d1, d2, d3) after being in a low power state. The power supplying devices (s1-s6) may relay optical signals via direct optical paths. Optical paths in the network may improve timing accuracy of applications. The overall power consumption of the system may be improved in particular during low activity situations in which the system is primarily used for data communication. The additional optical communication paths may provide redundant paths and thus may increase the network's robustness.

Abstract: A phase-lock-free system includes a control instruction unit, a low-noise high-gain optical amplifier, an optical switch, a filter, an optical delay interferometer I, an optical delay interferometer Q, a first balanced detector, a second balanced detector, an anti-coding switch unit, a parallel-serial conversion unit, and a data processing unit. The control instruction unit is connected to the optical switch, the anti-coding switch unit, and the parallel-serial conversion unit, respectively; the low-noise high-gain optical amplifier is connected to the optical switch; the optical switch is connected to the first balanced detector and the second balanced detector by means of the filter, the optical delay interferometer I, and the optical delay interferometer Q, respectively. This system improves the compatibility of a communication system at a relay node in an existing laser communication network.

Abstract: An optical device may include a monolithic beam steering engine. The device may include a twin M×N wavelength selective switch (WSS) including a first M×N WSS and a second M×N WSS. The first M×N WSS may include a first panel section of the monolithic beam steering engine to perform first beam steering of first beams, wherein the first beam steering is add/drop port beam steering; and a second panel section of the monolithic beam steering engine to perform second beam steering of second beams, wherein the second beam steering is common port beam steering. The first M×N WSS may include a first optical element aligned to the monolithic beam steering engine to direct one of the first beams or the second beams relative to the other of the first beams or the second beams, such that the first beams are directed in a different direction from the second beams.

Abstract: An imager includes an ion-emitting unit and a conveying structure to move a passive e-paper display medium in a first orientation along a travel path and to releasably support the display medium in spaced relation to receive airborne ions from the ion-emitting unit for imaging operations.