206results about How to "Efficient matching" patented technology

A wavelength conversion chip is formed by depositing a wavelength conversion material on a substrate to form a layer, removing the resulting wavelength conversion layer from the substrate and then segmenting the wavelength conversion layer into a plurality of wavelength conversion chips. The wavelength conversion material can be annealed by thermal annealing or radiation annealing to increase the wavelength conversion efficiency of the chips or to sinter the wavelength conversion material to form a ceramic material. Optical coatings, vias, light extraction elements, electrical connections or electrical bond pads can be fabricated on the wavelength conversion chips.

A wavelength conversion chip is formed by depositing a wavelength conversion material layer on a substrate, segmenting the wavelength conversion layer into a plurality of wavelength conversion chips, and then removing the wavelength conversion chips from the substrate. The wavelength conversion of the chips can be increased by thermal annealing or radiation annealing of the wavelength conversion material. Optical coatings or light extraction elements can be fabricated on the wavelength conversion layer.

The invention relates to an image detection method for detecting foreign matter at the bottom of a vehicle. The method sequentially includes the following steps of image input, image registration, binary image acquisition and foreign matter detection. The method can be used for fast recognizing whether the bottom of the vehicle going in or out of a barrier gate carries foreign matter or not, a vehicle chassis image provided by a vehicle chassis imaging system is subjected to signal analysis and processing, a real-time reliable foreign matter detection method is provided for detection of the chassis of the vehicle, and therefore the foreign matter at the bottom of the chassis of the vehicle can be fast, accurately and efficiently detected, the detecting accuracy is improved, interference of manual operation and environment changes is eradicated, and the requirement for real-time detection of the bottom of the vehicle in the security and prevention market in China is met. The time needed for recognition is no longer than five seconds, and the recognition efficiency is high.

The invention discloses an self-adaptive LED fluorescent lamp, comprising: a housing comprising a lampshade and a radiator fastened with each other, a Printed Circuit Board (PCB) consisting of one or more LED lamp sets and LED driving control units, and lamp caps sleeved on two sides of the housing; the LED driving control unit comprises a voltage detection module, an intelligent switching module and a linear constant current module; the voltage detection module comprises a first resistor and a second resistor, which are connected between two output ends of the rectifier filter module for voltage division, and a first capacitor connected with the second resistor in parallel; the intelligent switching module is connected with a common end of the first resistor and the second resistor, the output of the intelligent switching module is connected with a plurality of LED lamp sets, and each of the LED lamps is connected with a compensation resistor in series; and the linear constant current module consists of two IC linear driving chips. In the invention, the number of the LED lamps in serial connection is automatically changed by automatically detecting the output voltage of the rectifier, to reach the optimal driving efficiency, so as to ensure normal operating under any voltage.

Low-profile, compact embedded antenna designs are provided for use with computing devices, such as laptop computers, which enable ease of integration within computing devices with limited space, while providing suitable antenna characteristics (e.g., impedance matching and radiation efficiency) over a desired bandwidth of operation. Compact antenna designs with reduced antenna size (e.g., antenna height) and increased operational bandwidth (e.g., broadband impedance matching) are achieved using slotted ground plane designs and/or doubling antenna feeding schemes.

Provided are a matching segment circuit, to which a radio frequency (RF) is applied, and an RF integrated device using the matching segment circuit. The matching segment circuit to which an RF is applied may include an input end connected to a first RF device, a parallel segment having a first capacitor and a first inductor connected in parallel, a second inductor connected to the parallel segment in series, and an output end connected to a second RF device. The first capacitor, the first inductor, and the second inductor may be configured so that an impedance of the first RF device and an impedance of the second RF device may match.

The invention relates to a block-chain-based freight logistics scheduling and tracking method. The scheme is characterized by storing freight source information and vehicle information into a corresponding freight source information block and a vehicle information block in a black chain respectively, and matching the freight information and the vehicle information through a vehicle scheduling algorithm to match transport vehicles for freights to be transported. In the freight transport process, operation of any logistics participant on cargos is recorded in a corresponding block in the block chain and broadcasts the operation information to the whole network, so that during logistics scheduling, vehicle and cargo conditions can be considered repeatedly, logistics transport efficiency is improved, and logistics resources are saved.

The invention relates to the technical field of building ceramics, particularly to a high-performance wear-resistant glaze and a preparation method thereof, wherein the high-performance wear-resistantglaze comprises, by weight, 65-75% of raw glaze powder and 25-35% of frit powder, the raw glaze powder comprises, by weight, 30-40% of albite, 12-16% of calcined talc, 4-10% of kaolin, 10-15% of calcite, 2-8% of zinc oxide, 10-15% of wollastonite, 10-20% of corundum and 2-8% of barium carbonate. A purpose of the invention is to provide a high-performance wear-resistant glaze and a preparation method thereof, wherein the flatness of the glazed brick prepared from the glaze meets the production process requirements while the contradiction between the transparency and the wear resistance of theglaze layer is solved, and the prepared glazed brick is greatly improved in wear resistance, high in flatness and good in color development.

A method and system for generating a fingerprint for a video object. The method includes obtaining a plurality of frames associated with a video object. Additionally, the method includes, for each of the plurality of frames, processing information associated with the plurality of frames, determining a plurality of spatial signatures for the each of the plurality of frames based on at least information associated with the each of the plurality of frames, and determining a plurality of temporal signatures for the each of the plurality of frames based on at least information associated with the plurality of frames. The plurality of spatial signatures corresponds to a plurality of resolutions respectively, and the plurality of temporal signatures corresponding to a plurality of frame rates respectively.

The invention discloses a method for string matching based on a regular expression, which includes steps of 100, judging whether matching type of matching string is a segment mode or a line mode and setting a matching type mark; 200, dividing the matching string into a plurality of substrings by means of segment or line according to the matching type mark, determining a regular expression generating mode for each substring, generating a substring regular expression by using different connection regular expressions to connect phrases according to the regular expression generating mode, and obtaining a regular expression list at least comprises one substring regular expression; and 300, dividing data to be matched by means of segment or line according to the matching type mark to obtain the substring to be matched, matching the substring to be matched according to the substring regular expression and outputting matching results.

Disclosed is a Radio Frequency Identification (RFID) tag antenna. The tag antenna includes a lower dielectric substrate and an upper dielectric substrate. The lower dielectric substrate is provided at a lower surface thereof with a ground plane and at an upper surface thereof with two microstrip lines. The microstrip lines each have an open-end, the open ends spaced apart from each other from a middle of the lower dielectric substrate while facing each other to form a radiating slot from which radiation of electromagnetic waves occurs. The upper dielectric substrate is provided at an upper surface thereof with at least one electric capacitive device and is stacked on the lower dielectric substrate. The RFID tag antenna enhances radiation efficiency while achieving miniaturization.

The invention relates to a technology for eliminating mismatching points between two images and utilizing correct matching point pairs to compute an image transformation matrix, in particular to a surf algorithm based quick mismatching point eliminating method, in order to avoid the defects of large computation amount and high mismatching ration in the matching process and realize quick and efficient mismatching point pair elimination and image transformation matrix computation. The method includes: for a surf algorithm, computing each feature point including information of coordinates (x, y, S) of the feature point, wherein S represents scale space of the feature point; for two to-be-matched points extracted from the two images, screening according to the feature points of the matching points, and respectively setting a scale limit threshold value and a main direction limit threshold value for screening; performing corresponding computation and judgment for a main direction angle; after matching point pairs of a required number are found, performing a fine matching process. The method is mainly applied to elimination of the mismatching points between the two images.

The invention discloses a chip cooling device which comprises a cooling room positioned at the bottom of the device and matched with the chip, a cooling liquid pond stored with cooling liquid, a firstmicro channel, a first micro pump, a second micro channel, a micro nozzle, a third micro channel, a second micro pump, a fourth micro channel, a condenser and a micropore, wherein one end of the first micro pump is communicated with the cooling liquid pond by the first micro channel and the other end is communicated with the micro nozzle by the second micro channel; the micro nozzle is arranged above the cooling room and communicated with the cooling room; one end of the second micro pump is communicated with the cooling room by the third micro channel and the other end is communicated with the condenser by the fourth micro channel; the condenser is positioned above the cooling liquid pond and a condensing channel is arranged in the interior of the condenser; and a radiating fin is arranged on the top of the condensing channel which is communicated with the cooling liquid pond by the micropore. The chip cooling device has small volume, high heat dissipation efficiency, very high controllability and working flexibility and can meet the cooling requirements of the chip in different working conditions.

The invention discloses a network service and virtual resource multi-target matching method and system, which relate to the field of communication technology. The method comprises the following steps:quantitatively analyzing the current virtual resource according to a preset quantized index, and obtaining a quantitatively evaluated value of the virtual resources; based on the demand for virtual resources, according to quantitative indicators, obtaining the network service demand evaluation value; according to the quantitative evaluation value of virtual resources and the evaluation value of network service demand, establishing a multi-target matching model to transform multi-target optimization into single-target optimization, and obtaining the optimal solution based on the multi-target matching model; and according to the optimal solution, deploying network services and allocating the virtual resources. The invention can simultaneously carry out optimization treatment on a pluralityof interacting targets, thereby rapidly obtaining an optimal solution or an approximate optimal solution.

A system and method is described for receiving a plurality of non-standardized data sets and generating respective plurality of standardized profiles that can be used for efficiently comparing and matching one profile against the other plurality of profiles. One application of this invention is to convert job seekers' resumes and job postings into respective profiles and then permitting either a job seeker to search for job postings that most closely match the job seeker's resume or, conversely, permitting an employer to search for job seekers whose resumes most closely match the employer's job posting.

The invention discloses a hierarchical matching method based on channel quality prediction in a cognitive wireless network. The hierarchical matching method comprises the following steps that: S1, multiple cognitive users form a collaborative perception group; and each cognitive user performs perception by selecting to add the group having the maximum benefit; S2, a group leader trains and constructs a probabilistic suffix tree by utilizing a perception result and predicts the idle probability of the next time slot spectrum through the generated tree; S3, the group leader constructs a channel quality evaluation factor by utilizing the idle probability and sorts the reliabilities of multiple authorized channels in a descending manner; and S4, a dispatching unit distributes proper channels to coded hierarchical data according to a priority-reliability dispatching criterion. By means of the hierarchical matching method, the channel quality can be dynamically estimated in the time-varying cognitive wireless network; the perception delay is reduced; reliable channels can be effectively matched for hierarchical data; and the hierarchical matching method can be used for improving the link adaptation of hierarchical multimedia data in the cognitive wireless network.

A method and system for generating a spatial signature for a frame of a video object. The method includes obtaining a frame associated with a video object, and dividing the frame into a plurality of blocks. The plurality of blocks corresponds to a plurality of locations respectively, each of the plurality of blocks includes a plurality of pixels, and the plurality of pixels corresponds to a plurality of pixel values respectively. Additionally, the method includes determining a plurality of average pixel values for the plurality of blocks respectively. Each of the plurality of blocks corresponds to one of the plurality of average pixel values. Moreover, the method includes processing information associated with the plurality of average pixel values and determining a plurality of comparison values for the plurality of blocks respectively based on at least information associated with the plurality of average pixel values.

The present invention provides a 3D four-dimensional data collection system and method based on a visible light camera matrix. The system comprises: a support structure, an arc bearing structure arranged on the support structure, a plurality of cameras arranged on the arc bearing structure and forming a camera matrix, and a data processing unit connected with the cameras. The cameras are configured to perform collection of iris feature information to obtain multiple iris images and transmit the multiple iris images to the data processing unit; and the data processing unit is configured to perform processing of the iris images. The collection method comprises the steps of: obtaining iris images through cameras; transmitting the iris images obtained by the cameras to a central processing device for processing and calculation; and generating iris 3D four-dimensional data of a collection object. According to the embodiment of the invention, the multi-camera control technology is employed to perform collection of the iris feature information so as to observably improve the collection efficiency of the iris feature information.