15results about How to "High transplantability" patented technology

The invention provides a hair follicle transplantation method and system, a program unit, a storage medium and a program product, and the method comprises the steps: enabling a tensioner to apply downward pressure to the skin, driving a first tensioning part and a second tensioning part to be away from each other, and expanding the skin to form an expanded skin region; the system comprises a mechanical arm tail end tool, the mechanical arm tail end tool moves, gets close to an expanded skin area and executes a hair follicle transplantation task, the system further comprises a controller, the controller evaluates hair follicle transplantation parameters and formulates a hair follicle transplantation plan, and in a hair follicle transplantation mode, the controller controls the mechanical arm tail end tool to perform incision at a transplantation part in a manner that the incision direction and / or depth can be controlled. And the blocking device keeps the hair follicle at the required depth, and the mechanical arm tail end tool is retracted to complete the transplantation task. According to the application, the tensioner can be automatically controlled to tension the scalp or loosen the scalp, the tensioning degree of the scalp can be adjusted, the needling depth, the needling angle and the needling density are adjusted according to the obtained tensioning degree of the scalp, the batch consistency of extracted hair follicles is improved, and the hair follicle transplantation effect is improved.

The invention discloses a high-resolution FPI spectrum demodulation method, and relates to the field of optical fiber sensing. Comprising the following steps: acquiring an FPI interference spectrum, and performing pretreatment, including spectrum standardization, wave number conversion and wave number domain interpolation, on the acquired spectrum; performing FFT (Fast Fourier Transform) on the interpolated spectrum to obtain an amplitude spectrum and a phase spectrum; roughly estimating the F-P cavity length through a corrected amplitude spectrum Buneman algorithm; and the F-P cavity length is accurately calculated in combination with the phase spectrum. The FPI sensor demodulated according to the method can realize real-time monitoring of various environmental parameters including vibration, pressure and temperature, and compared with other demodulation methods, the method provided by the invention has the characteristics of high resolution, small calculation amount and large dynamic range, and has stable performance under the condition of low signal-to-noise ratio.

The invention belongs to the technical field of aviation electromechanics, provides an embedded software virtualization fault injection method, and relates to the field of embedded software test verification. The virtualized fault injection method of the embedded software mainly comprises the following steps: constructing an integrated digital system simulation and verification platform of the embedded software, and testing the fault tolerance of the embedded software to be tested based on the platform; constructing a data interface for communication and data interaction with the embedded software to be tested, wherein the data interface comprises a communication protocol and a corresponding relationship between each physical quantity; the method comprises the following steps: establishing a bottom layer fault injection tool for a virtualization system, such as CPU, memory and file system faults, establishing a virtualization management mechanism layer fault injection tool, acquiring normal external excitation from a data interface suite, and replacing the normal external excitation with error data based on testing, so as to realize the testing of virtualization fault injection. According to the method, the accuracy and the error-tolerant rate of embedded software test verification can be effectively guaranteed.

The invention discloses an embedded lattice screen display system based on a QT graphics library. The embedded lattice screen display system comprises an interface design layer, an interaction layer, a lattice conversion layer and a display driving layer. According to the efficient interface design method, the operation process is simplified, the interface design efficiency is improved, and rich graphic display is supported; a universal UI display frame is also established, so that the UI display frame can flexibly interact with a plurality of service applications, display is dynamically adjusted according to contents provided by the service applications, and expansibility is enhanced; an effective mechanism is designed, accurate conversion from a QT interface to a two-dimensional dot matrix array and stable display driving from the two-dimensional array to a dot matrix screen are achieved, and the transplantation capacity is improved; and a preview function in the development process is also provided, so that the development efficiency and accuracy are improved.

The invention discloses a method for constructing a multi-scale lightweight densely connected target detection network, data preprocessing; constructing a multi-scale lightweight target detection neural network; using the processing result to train and test the constructed neural network; the invention uses the PASCAL VOC 2012 data set to verify the reliability of the network, and the mAP of the final network is almost the same as YoloV4, only reduced by 1.5%, and improved by 5% compared with YoloV3. The parameter amount of the network model trained by the invention is compressed to 11.61M, which is reduced to 1 / 6 of YoloV4; the total calculation amount Total Flops is reduced to 1.13G, which is reduced to 1 / 26 of the original; the total memory usage is reduced to 135.46M, which is reduced to 1 / 5 of YoloV4, and the real-time speed is improved by 32 times, which increases the possibility of deploying the target detection method in embedded devices and mobile devices with limited computing resources.

The application provides a road disease detection method based on an attention mechanism and feature integration, comprising: acquiring a road picture; preprocessing the road picture; performing feature extraction on the preprocessed road picture to generate a first feature map set; performing picture feature focusing processing on the first feature map set to generate a second feature map set; integrating the second feature map set to generate a third feature map set; and generating a detection result based on the third feature map set and a predetermined detector. The road disease detection method based on the attention mechanism and the feature integration can fully utilize picture information, extract and mix disease features, and thus improve disease detection accuracy, by addressing the specificity of road disease features. Moreover, the detection model can be continuously optimized and trained by using a large number of road pictures, so as to effectively ensure detection accuracy and greatly improve timeliness.

The utility model provides a temporal area and temple hair transplantation post-operation binding device, which comprises a binding piece and a connecting assembly which are made of elastic materials, the binding piece comprises a binding part and two connecting parts, the shape and the size of the binding part are matched with those of the head of a binding person, the two connecting parts are respectively connected to two sides of the binding part, and the binding part is connected with the connecting assembly. The connecting assembly is fixed to the free ends of the two connecting parts, when the binding device is worn on the head, the binding part at least covers the rear pillow hair taking area, and the two connecting parts extend to the forehead part from the two sides of the binding part along the temporal area and the temples respectively and are connected through the connecting assembly; the two connecting parts are both provided with bag cavities used for containing filler. According to the binding piece, a space protection area is formed among the connecting part, the temporal area and the temples through the bag cavity, so that the binding efficiency of the binding piece after the transplantation operation is improved.

The application relates to the technical field of welding automation, and provides a corrugated plate welding seam extraction method and system which are self-adaptive and anti-deformation, the method comprising the following steps: acquiring a three-dimensional point cloud of a corrugated plate surface; segmenting two adjacent geometric surfaces to be welded; selecting a reference surface and a projection surface; calculating the normal distance of each point of the projection surface to the reference surface, screening effective projection points reflecting the real welding seam boundary based on a set threshold value; projecting the effective projection points to the reference surface and performing fitting to obtain a welding seam track. The application automatically excludes local deformation interference through a threshold screening mechanism, directly extracts the welding seam from the real point cloud with high precision, and overcomes the defect that the prior art relies on an ideal geometric model and causes a large error.

The present invention relates to a protocol expansion and transplantation method based on a single-chip microcomputer I2C interface, and the protocol expansion and transplantation method based on the single-chip microcomputer I2C interface is characterized in that when performing protocol expansion, the corresponding register address is expanded into an array form Address[RegInd] in the program space of the single-chip microcomputer, and 256 register addresses correspond to 256 arrays, and the length of the array is defined as needed. The method of the present invention is expanded into a Uart communication protocol format under the state that I2C follows the standard single-chip microcomputer I2C protocol format, and a protocol check is added to enhance extensibility, transplantability and robustness. The modified protocol can customize the length and add an extended protocol. The Uart protocol and the I2C protocol can be transplanted to each other to achieve platform docking.

The invention relates to the technical field of electronics, in particular to an LVDS (Low Voltage Differential Signaling) format data receiving system based on an FPGA (Field Programmable Gate Array). Firstly, a receiving system is integrated on an FPGA, so that a high-speed clock is provided for LVDS data transmission, in addition, the receiving system comprises an LVDS data conversion module, an interface delay module, a serial-parallel conversion module and a data combination module, data positive lines and data negative lines of LVDS are independently collected through the high-speed clock, then the data are combined, LVDS data receiving is achieved, and the LVDS data transmission efficiency is improved. And a level conversion process is avoided, and higher-speed data transmission can be adapted.

The present invention relates to the field of nanomagnetic materials and the field of biology, and discloses a method for preparing degradable immunomagnetic beads, including preparing degradable magnetic bead microsphere raw materials, using rapid membrane emulsification technology and the degradable magnetic bead microsphere raw materials prepared in step S1 to prepare alginate magnetic bead microspheres, and coupling alginate magnetic bead microspheres with antibodies; also discloses a degradable immunomagnetic bead; and also discloses the application of degradable immunomagnetic beads in products for separating human islet cell clusters. The immunomagnetic beads prepared by the present invention can specifically target islets in the human pancreas, can separate islet cell clusters from exocrine tissues, can greatly shorten the time of islet separation, improve separation efficiency, improve the activity and function of islet cell clusters, improve transplantation effects, and indirectly reduce the cost of islet transplantation surgery; the immunomagnetic beads prepared by the present invention have low toxicity, good magnetic response, good surface biocompatibility, and can be degraded when the solution pH is high.

The present invention provides an AI operator intelligent adaptation and optimization method for heterogeneous computing power compatibility, which belongs to the field of digital computing device technology, including: automatically collecting the first data of the target device, generating a performance report of the target device based on the first data; determining the first operator demand vector and the second operator demand vector of the target device based on the performance report; determining the candidate operator vector and the candidate operator vector that match the performance report of the target device, executing the operator and generating an optimization strategy; dynamically adjusting the optimization strategy based on the collected real-time operation performance data. It can reduce manual intervention and optimization, ensure the timeliness and accuracy of data, reduce technical barriers and development costs, refine operator adaptation and optimization, achieve the optimal deployment of operators, and keep the device at the best performance at all times, thereby greatly improving the running speed and resource utilization of the AI ​​model, improving the portability and compatibility of the AI ​​model, and improving the stability and response speed of the overall system.

The present invention discloses a high-fidelity speech desensitization method and device based on adversarial sample generation technology, which belongs to the field of data privacy protection. By inputting the protected person's audio into the adversarial generative network desensitization model, the output audio can change the voiceprint features in the audio while maintaining the original semantic content, so that the artificial intelligence speaker recognition model cannot judge the speaker's identity through the input audio, thereby achieving the effect of removing the original speaker's identity information. The training of the desensitization model mainly achieves the training purpose by minimizing the generator and discriminator losses in the adversarial generative network. In a specific application scenario, the speaker can first process his or her audio through a trained desensitization model, and then provide the generated audio to the outside world without revealing his or her identity, thereby achieving the purpose of protecting personal privacy.

The YAP gene inhibitor is used for inhibiting transcription of expression of a YAP gene, especially siRNA inhibits expression of the YAP gene, and the YAP gene inhibitor is used as an active component to prepare drugs or medical instruments for improving fat transplantation effects. Through verification, after the YAP gene in the ADSC is knocked down, the expression of adipogenic related genes and proteins of the ADSC is remarkably promoted, the adipogenic differentiation of the ADSC is remarkably promoted, and the lipid droplet content and the triglyceride content in cells are remarkably improved. Besides, after the YAP gene is inhibited, tissue inflammation, fibrosis and oil sac level are improved, the effect of transplanting fat in a body is remarkable, the retention period of the implanted fat is prolonged, and the transplantation effect of the fat is improved.

This utility model relates to the technical field of bacterial culture preparation devices, and in particular to a bacterial culture preparation device, comprising: a first filter having a first filter membrane, the first filter input end being connected to a first supply pump; a second filter having a second filter membrane, the second filter input end being connected to the first filter output end; and a third filter having a third filter membrane, the second filter input end being connected to the second filter output end; wherein the diameter of the pores on the first filter membrane is larger than the diameter of the pores on the second filter membrane, and the diameter of the pores on the second filter membrane is larger than the diameter of the pores on the third filter membrane. This utility model is beneficial for removing impurities from bacterial culture samples and enriching the bacterial culture.