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1134results about How to "quality improvement" patented technology

Face image super-resolution reconstruction method based on an attribute description generative adversarial network

PendingCN109615582Aquality improvementimprove learning ability
The invention discloses a face image super-resolution reconstruction method based on an attribute description generative adversarial network, and belongs to the field of digital image/video signal processing. The method is characterized in that a training stage comprises three parts of training sample preparation, network structure design and network training; the network structure design adopts agenerative adversarial network framework and is composed of a generative network and a discriminant network. The generation network comprises a face attribute coding and decoding module and a super-resolution reconstruction module; the discrimination network comprises an attribute classification module, an adversarial module and a perception module; wherein the network training process is carriedout in a mode that a generative adversarial network of a generative adversarial network framework and a discriminant network are alternately subjected to adversarial training; and a reconstruction stage: taking the LR face image and the attribute description information as input, and realizing image coding, attribute adding, image decoding and image reconstruction through a trained generation network. According to the invention, the enhancement of the face information of the low-resolution face image can be completed, and the accuracy of low-resolution face recognition can be improved.
Owner:BEIJING UNIV OF TECH

Intelligent laser 3D printing device and method

The invention discloses an intelligent laser 3D printing device and method, and belongs to the technical fields of intelligent manufacturing and additive manufacturing. The intelligent laser 3D printing device comprises an outer shell, a semiconductor laser, a computer, a workpiece stage, a drive motor, a galvanometer X, a galvanometer Y, a scanning mirror X, a scanning mirror Y, a field lens, a molten pool and two CCD cameras; by utilization of a laser 3D imaging technology, 3D scanning imaging is performed on an entity object subjected to laser 3D printing, thereby achieving CAD modeling of the 3D entity object; and by utilization of a laser photoacoustic technology, internal defects of the entity object subjected to laser 3D printing are detected, thereby detecting the quality of the entity object subjected to laser 3D printing online in real time. According to the intelligent laser 3D printing method, the CAD modeling, rapid prototyping, and internal defect detecting functions of the entity object subjected to laser 3D printing are achieved by utilizing the same laser source, so that laser 3D printing equipment can be systematized and intelligentized. Therefore, the intelligent laser 3D printing device disclosed by the invention has the advantages of being convenient and rapid in printing, high in prototyping quality, high in intelligent degree, simple in structure, reliable in running, and the like.
Owner:中海清华(河南)智能科技发展有限公司

Magnetic resonance multi-channel reconstruction method based on deep learning and data self-consistence

ActiveCN108535675APrecise end-to-end mapping relationshipquality improvement
The invention discloses a magnetic resonance multi-channel reconstruction method based on deep learning and data self-consistence and belongs to the magnetic resonance reconstruction method field. Themethod includes the following steps that: multi-channel full-sampling training set data are collected, under-sampled data are converted into wrap-around images which are used as the input of a reconstruction network, and full-sampled data are used as training mark data, and a convolution kernel is generated based the full-sampled data; 2, the data in the step 1 are inputted, on the basis of the reconstruction network constructed by means of the repeated superposition of SC layers, CNNs, and DC layers, and with the training mark data adopted as an objective, network parameters are trained withback propagation, so that mapping relationships between the input and output of the reconstruction network are obtained; and 3, test set data are inputted into the reconstruction network so as to besubjected to forward propagation, so that unknown mapping data are obtained, and the reconstruction of magnetic resonance is completed. With the method adopted, a problem that an existing resonance reconstruction method can only process single-channel data can be solved; more stable and accurate end-to-end mapping relationships can be obtained; the quality of magnetic resonance reconstruction canbe fundamentally improved; and magnetic resonance scanning time can be significantly shortened.
Owner:朱高杰

Nanofiber low-voltage electro-spinning device with auxiliary electrodes

InactiveCN102965743Aquality improvementextended flight time
The invention discloses a nanofiber low-voltage electro-spinning device with auxiliary electrodes and relates to an electrostatic spinning device. The electro-spinning device is provided with a high-voltage DC power supply, a conducting pole plate, array nozzles, a high pressure air source, airway tubes, auxiliary electrodes, a fan, rollers and a collection plate; the positive pole of the high-voltage DC power supply is connected to the conducting pole plate, and the negative pole of the high-voltage DC power supply is grounded; polymer solution is located on the conducting pole plate, so that jet flow can be created on the upper surface of the solution during electro-spinning; the high pressure air source is connected to the array nozzles through the airway tubes, so that high pressure air can be provided for the array nozzles; the array nozzles are arranged between the auxiliary electrodes and the conducting pole plate so as to jet air flow for changing the flight direction of fiber, so that the nanofiber is guided to get through a gap between the auxiliary electrodes along with the air flow and deposit onto the collection plate; the auxiliary electrodes are arranged above two sides of the polymer solution and grounded; the fan is arranged above the collection plate, so that the fiber is deposited onto the collection plate by air pumping; and the collection plate is arranged above the auxiliary electrodes as a deposition base plate of the nanofiber.
Owner:XIAMEN UNIV

Low-temperature high-efficiency fluidization combined drying process and equipment thereof

InactiveCN101881550Aquality improvementreduce heat consumption
The invention discloses a low-temperature high-efficiency fluidization combined drying process and equipment thereof; the drying equipment comprises an afterheat utilization primary pre-heating device, a secondary drying device, cyclone separators, blowers and a temperature control device; the afterheat utilization primary pre-drying device or the secondary drying device comprises a feed opening, a discharge port, a vent and a drying chamber; the discharge port of the afterheat utilization primary pre-drying device is connected with the feed opening of the secondary drying device; the vent of the afterheat utilization primary pre-drying device is sequentially connected with a cyclone separator A, the secondary drying device, a cyclone separator B, a blower A and the drying chamber of the afterheat utilization primary pre-drying device; the vent of the cyclone separator A is connected with the blower B; and the drying chamber of the secondary drying device is respectively connected with a blower C and the temperature control device. The invention quickly and homogeneously dries material to be dried under the premise of meeting the original quality of raw grain, leavening and other products, has the advantages of energy-saving, environment production, low temperature and high efficiency, meets the requirements of continuous and scale production, and has good process system maintenance performance.
Owner:ACAD OF STATE GRAIN ADMINISTRATION

Switching controlling method in mobile communication system and wireless network controller

The invention provides a switching controlling method in a mobile communication system and a wireless network controller. The method comprises the following steps of: (A) determining a measurement quantity needed to be measured and a switching measurement control parameter under the current terminal measurement managing state by the wireless network controller according to the corresponding relation of a preset terminal measurement management status, the measurement quantity needed to be measured and the switching measurement control parameter; (B) issuing a measurement control message to a mobile terminal and/or a base station by the wireless network controller, wherein the measurement control message includes the determined measurement quantity needed to be measured; (C) receiving measurement data which are measured and reported by the mobile terminal and/or the base station according to the measurement quantity needed to be measured, included in the measurement control messageby the wireless network controller; and (D) triggering cell switching by the wireless network controller when the measurement data meet a switching judgment condition confirmed by the switching measurement control parameter. By adopting the technical scheme, more accurate switching control can be realized, and thus the network quality is improved.
Owner:CHINA MOBILE GRP BEIJING

Friction-stir welding equipment

ActiveCN104985320Aquality improvementReduce torsional or impact forces
The invention provides friction-stir welding equipment. The friction-stir welding equipment comprises a machine tool body for friction-stir welding. A stir head is installed on a spindle of the machine tool body. A floating supporting structure is arranged between the stir head and the spindle and comprises a connecting component and an elastic supporting piece. The connecting component is fixed to the spindle, the lower portion of the connecting component and the upper portion of the stir head are matched through a plurality of concave parts and convex parts, and the connecting component and the stir head can rotate synchronously. The elastic supporting piece is arranged between the lower end of the connecting component and the upper end of the stir head in an abutting mode. A limiting structure is arranged on the connecting component and used for preventing the stir head from disengaging from the lower end of the connecting component. The friction-stir welding equipment can keep pressure constant in welding and improve the quality of welded joints. When disturbance or other accidents occur, torsion or impact force on the stir head can be reduced, so that the stir head is easy to protect and not prone to fracture, and the service life of the stir head is prolonged. The structure of the spindle is simplified, so that the whole equipment has a light weight and a small size, materials are saved, and cost is lowered.
Owner:重庆派馨特机电有限公司

Method for improving quality of strong aromatic dry distilled grain

ActiveCN101705167AIncrease the acidity in the cellarquality improvement
The invention discloses a method for improving quality of strong aromatic dry distilled grain, comprising the steps of pretreating the materials, piling and fermenting, taking out of a pit, stirring the mixed grains, getting wine and steaming grains, getting out of a steamer and proportioning water, reducing temperature and mixing the rice flour, entering the pit and sealing the pit. The method is characterized in that new measures about a pit mud maintenance in contact with the dry grains and about a prevention of mixed bacteria infection are carried out by not crushing part of the materials for wine making, increasing the mixed grain amount and reducing the use quantity of bran shells, thereby improving acidity of fermented grain for pit entry and water retention property of the fermented grain, and greatly improving the quality of the dry distilled grain. The method improves the quality of dry grains, improves the high-quality yield of the dry distilled grain by about 35%, improves the high-quality yield of the wet grain by above 10% and improves wine yield by above 3% so that the whole pit can brew high-quality wine. The invention has simple technology, easy operation, low production cost, good wine quality and easy implementation, thereby providing reliable guarantee for large-area application of technical reform in strong aromatic wine production enterprise.
Owner:SICHUAN TUOPAI SHEDE WINE
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