Abstract: Provided is a light source device, including a first laser light source group, a second laser light source group, a dichroic mirror, a fluorescence converter, and an emission component. The first laser light source group emits laser light of a first waveband, and the second laser light source group emits laser light of a second waveband and laser light of a third waveband. The dichroic mirror is disposed on light-output sides of the first laser light source group and the second laser light source group, and the fluorescence converter and the emission component are respectively disposed on light-output sides of the dichroic mirror. The dichroic mirror is configured to emit laser light of various wavebands, and the fluorescence converter generates target fluorescence under the excitation of the laser light of the first waveband, and the target fluorescence is reflected by the dichroic mirror to the emission component.

Abstract: A image processing model training method includes acquiring training data of a model to be trained, the training data comprising a sample text, a sample image, and a sample label, and the sample label comprising detection box labels of the sample image; clustering the detection box labels to obtain N initial anchor box sizes, N being a positive integer; acquiring a text sample feature of the sample text, and detecting the sample image in combination with the N initial anchor box sizes and the text sample feature to obtain a sample detection result; and training the model to be trained based on a difference between the sample detection result and the sample label to obtain a trained image processing model, the image processing model being configured to acquire an image detection result based on an input image and an image text prompt.

Abstract: A method for data transmission, a chip, and a storage medium are provided. The method is applied to a target node and comprises: obtaining a first data packet transmitted via a physical layer; and sending, based on a physical transmission medium used to connect a first interface of the target node to a second interface of a downstream node, the first data packet to a physical layer of the downstream node through a physical layer of the target node.

Abstract: A data forwarding method, a physical layer chip, and an electronic device are provided. The data forwarding method for a physical layer device of sub-node in a transmission network, wherein the network comprises a head node and a plurality of sub-nodes, the head node and the plurality of sub-nodes are connected via a physical transmission medium, and the sub-node comprises a transmission processing device, comprising: receiving, via a first branch of the physical layer device, a first downlink signal transmitted by the head node or a preceding adjacent sub-node through the physical transmission medium; enabling, via the first branch, a second branch of the physical layer device to obtain the first downlink signal through a forwarding module of the physical layer device; and sending, via the second branch, the first downlink signal to a succeeding adjacent sub-node through the physical transmission medium.

Abstract: A training method and apparatus for an image recognition model includes: obtaining N sample images in a first sample image set and an image description text and at least one image tag of each of the N sample images; generating, for each sample image based on the image description text and the at least one image tag of the sample image, a group of image prompts corresponding to the sample image; generating, for each sample image based on the sample image and the group of image prompts, a sample image subset corresponding to the sample image, to obtain N sample image subsets, wherein the N sample image subsets form a second sample image set; and training, by using the first sample image set and the second sample image set, an image recognition model to be trained.

Abstract: The present disclosure provides a method for data processing, a computer device and a storage medium. And the method includes: acquiring configuration change information of configuration information of a target service; parsing the configuration change information to obtain information to be verified of the configuration change information, where the information to be verified is determined based on a target configuration item in the configuration change information and/or service running data of the target service for the configuration change information; determining a verification rule matched with the information to be verified, and performing verification processing on the information to be verified according to the verification rule to obtain a verification result; and determining an information review result of the configuration change information based on the verification result.

Abstract: A laser source and laser projection apparatus. The laser source includes a plurality of laser devices, a beam expanding component, a plurality of combining lens groups, and a polarization conversion component. The plurality of laser devices are configured to emit laser beams of a plurality of colors to provide white beams. The beam expanding component is located on a laser-exit beam path of the first type laser beam. The plurality of combining lens groups are respectively located on laser-exit sides of the plurality of laser devices. A plurality of laser-exit beam paths corresponding to the plurality of combining lens groups do not overlap with each other. The polarization conversion component is located on a beam-combining path of the laser beams of the plurality of colors. The polarization conversion component is configured to change a polarization direction of a portion of the laser beams.

Abstract: A battery system with a large-format Li-ion battery powers attached equipment by discharging battery cells distributed among a plurality of battery packs. The discharging of the battery cells is controlled in an efficient manner while preserving the expected life of the Li-ion battery cells. Each battery pack internally supports a battery management system and may have identical components, thus supporting an architecture that easily scales to higher power/energy. Battery packs may be added or removed without intervention with a user, where one of battery packs serves as a master battery pack and the remaining battery packs serve as slave battery packs. When the master battery pack is removed, one of the slave battery packs becomes the master battery pack. Charging and discharging of the battery cells is coordinated by the master battery pack with the slave battery packs over a communication channel such as a controller area network (CAN) bus.

Abstract: A laser projection imaging device, comprising: a light source chip, comprising a drive circuit and light-emitting modules; wherein: a microlens array, located on a light-emitting side of the light source chip, and configured to homogenize light spots of the light-emitting modules; and an imaging lens, located on a side of the microlens array facing away from the light source chip along a light beam propagation direction, and configured to receive light beams after passing through the microlens array and project the light beams into an image.

Abstract: An artificial intelligence (AI)-based image processing method includes: acquiring a first image feature and a second image feature of a preset image, and first reference image features and second reference image features of reference images in a first reference image set; determining first matching degrees between the preset image and the reference images in the first reference image set based on the first image feature and the first reference image features, and selecting, based on the first matching degrees, a preset number of reference images from the first reference image set to generate a second reference image set; and determining second matching degrees between the preset image and reference images in the second reference image set based on the second image feature and second reference image features, and determining an image processing result of the preset image based on the second matching degrees.

Abstract: Embodiments of this application disclose an image processing method and apparatus, a device, and a medium. The method includes: obtaining a target image to be processed; inputting the target image to a pre-trained image-text model, a model loss of the image-text model including an image loss, and the image loss being constructed according to a first sample image and a second sample image that is obtained by converting a first sample text configured for describing the first sample image; and obtaining a target text configured for describing the target image and generated by the image-text model. In technical solutions of the embodiments of this application, the generated target text can describe the target image as accurately as possible, thereby ensuring accuracy of the target text.

Abstract: An image processing method is provided. The method includes obtaining a to-be-processed image comprising a target object, and inputting the to-be-processed image to a convolutional layer of an image processing model, to obtain an initial feature map of the to-be-processed image, wherein the image processing model comprises an encoder and a decoder; inputting the initial feature map to a self-attention mechanism layer of the encoder, and obtaining a target feature map corresponding to the initial feature map according to position information of each feature in the initial feature map and a position relationship between the each feature and other features; and inputting the target feature map to the decoder for processing, to obtain an object segmentation map and an object label of the target object in the to-be-processed image.

Abstract: The present disclosure provides a laser projection device, including a light source system, an optical engine system, a projection lens, and a heat dissipation device; wherein the light source system is adjacent to and connected to the heat dissipation device, the light source system is configured to provide a laser beam to the optical engine system, and the heat dissipation device is configured to dissipate heat from the light source system; and the optical engine system and the projection lens are disposed on one side of the light source system and stacked along a first direction, the optical engine system is configured to modulate the laser beam provided by the light source system into an image beam and then emit the image beam to the projection lens, and the projection lens is configured to image the image beam to an image and then emit the image to a projection screen.

Abstract: A laser source includes a laser device, a combining lens group, and a beam spot angle guiding component. The laser device includes a first laser device and a second laser device. The first laser device is configured to emit a first type laser beam and a second type laser beam. The second laser device is configured to emit the second type laser beam. The combining lens group includes a first combining lens group and a second combining lens group. The first combining lens group is configured to emit the laser beams emitted by the first laser device in a first direction. The second combining lens group is configured to reflect the laser beam. The beam spot angle guiding component is configured to change a divergence angle of at least one of the first type laser beam or the second type laser beam.

Abstract: A laser projection apparatus includes a laser source, a light modulating engine and a projection lens. The laser source includes a laser device, a combining component, a first lens and a phosphor wheel. The combining component includes a reflecting region and two transmitting regions. The reflecting region is configured to reflect a laser beam and a fluorescent beam incident on the reflecting region. The two transmitting regions are disposed on two sides of the reflecting region respectively, and the transmitting regions are configured to transmit a plurality of laser beams emitted by the laser device. The phosphor wheel includes a first region and a second region. The first region is configured to diffuse and reflect the laser beams incident on the first region. The second region is configured to be excited to emit a fluorescent beam due to irradiation of the laser beams incident on the second region.

Abstract: A projection device and a projection system are provided. The projection device includes a light source, an optical modulating assembly, and a lens. The light source includes a laser and at least one optical waveguide. The laser includes first light emitting chips, second light emitting chips, and third light emitting chips. One of the at least one optical waveguide is located on a light outgoing side of the third light emitting chips. Each optical waveguide includes a light incident surface, a light outgoing surface, a light incident portion, and a light outgoing portion. The light incident surface and the light outgoing surface are opposite to each other in a thickness direction of the optical waveguide. The light incident portion is configured to introduce laser light incident thereon into the optical waveguide. The light outgoing portion is configured to transmit the laser light out of the optical waveguide.

Abstract: A method for calculating carbon storage in a mixed forest ecosystem is provided. The method includes: acquiring basic geographic data, meteorological data, eco-physiological parameter, thinning management history data, and validation data; proposing an improved biome-biogeochemical cycles (Biome-BGC) model suitable for simulating carbon storage of a mixed forest ecosystem under management by improving a phenology module, adding a thinning operation management module, and optimizing the eco-physiological parameter, based on an existing Biome-BGC model; simulating, by taking a pine-oak mixed forest as a research object, the carbon storage based on the improved Biome-BGC model; validating the improved model; analyzing sensitivity of the eco-physiological parameter by an extended Fourier amplitude sensitivity test (EFAST) method; and selecting a highly sensitive parameter, and analyzing an effect of the highly sensitive parameter on the carbon storage by a path analysis method.

Abstract: A projection device and a projection system are provided. The projection device includes a light source, an optical modulating assembly, and a lens. The light source includes a laser and a beam reshaping member. The laser is configured to emit laser light of a plurality of colors. The beam reshaping member includes a plurality of beam reshaping regions, each beam reshaping region comprises a plurality of diffraction microstructures, and the diffraction microstructures in different beam reshaping regions are different. The beam reshaping member is configured to diffract the laser light respectively and transmit the laser light toward a same region, so that light spots formed by the laser light after passing through the beam reshaping member are combined.

Abstract: Systems and methods are described for managing charging and discharging of battery packs. In one or more aspects, a system and method are provided to minimize overcharging of battery cells of specific battery chemistries while still enabling fast charging cycles. In other aspects, a buck converter may be used to reduce a voltage of power used to charge the cells. In further aspects, a fast overcurrent protection circuit is described to address situations involving internal short circuits of a battery cell or battery pack. In yet further aspects, a bypass circuit is provided in series-connected battery packs to improve the charging of undercharged battery packs while also increasing the efficiency of the overall charging process. In other aspects, a circuit is provided that permits a controller to determine a configuration of battery packs.

Abstract: Provided is a light source device, including a first laser light source group, a second laser light source group, a dichroic mirror, a fluorescence converter, and an emission component. The first laser light source group emits laser light of a first waveband, and the second laser light source group emits laser light of a second waveband and laser light of a third waveband. The dichroic mirror is disposed on light-output sides of the first laser light source group and the second laser light source group, and the fluorescence converter and the emission component are respectively disposed on light-output sides of the dichroic mirror. The dichroic mirror is configured to emit laser light of various wavebands, and the fluorescence converter generates target fluorescence under the excitation of the laser light of the first waveband, and the target fluorescence is reflected by the dichroic mirror to the emission component.