32results about How to "Convenient segmentation" patented technology

A surgical navigation system includes a source of a patient anatomy data, wherein the patient anatomy data comprises a three-dimensional reconstruction of a segmented model comprising at least two sections representing parts of the anatomy. A surgical navigation image generator is configured to generate a surgical navigation image comprising the patient anatomy. A 3D display system is configured to show the surgical navigation image wherein the display of the patient anatomy is selectively configurable such that at least one section of the anatomy is displayed and at least one other section of the anatomy is not displayed.

A surgical navigation system includes: a 3D display with a see-through mirror that is partially transparent and partially reflective; a tracking system comprising means for real-time tracking of: a surgeon's head, the see-through mirror and a patient anatomy to provide current position and orientation data; a source of a patient anatomy data; a surgical navigation image for generating a surgical navigation image comprising at least the patient anatomy data, in accordance with the current position and orientation data provided by the tracking system based on the current relative position and orientation of the surgeon's head, the see-through mirror and the patient anatomy; the 3D display configured to emit the surgical navigation image towards the see-through mirror, such that an augmented reality image collocated with the patient anatomy in the surgical field underneath the see-through mirror is visible to a viewer looking from above the see-through mirror towards the surgical field.

The invention discloses a character recognition method for underwater video images. The method comprises the steps that the video images are subjected to preprocessing according to the morphological image processing principle, the contrast ratio is enhanced, and noise is filtered out; video characters are subjected to region segmentation according to preprocessing results, and text region location is carried out through a method combining edge detection and communication elements; according to video character region segmentation results, character segmentation is carried out on characters through a binary method combining a global threshold method and a local threshold method, and segmented characters are subjected to normalization to enable the segmented characters to be consistent with characters in a template base in size; the template base is designed according to the characteristics of video characters, the segmented characters and the characters in the template base are matched, and the characters can be recognized and stored in text.

Surgical navigation system: 3D display system with see-through visor; a tracking system for real-time tracking of: surgeon's head, see-through visor, patient anatomy and surgical instrument to provide current position and orientation data; a source of an operative plan, a patient anatomy data and a virtual surgical instrument model; a surgical navigation image generator to generate a surgical navigation image with a three-dimensional image representing simultaneously a virtual image of the surgical instrument corresponding to the current position and orientation of the surgical instrument and a virtual image of the surgical instrument, the see-through visor, the patient anatomy and the surgical instrument; the 3D display system configured to show the surgical navigation image at the see-through visor, such that an augmented reality image collocated with the patient anatomy in the surgical field underneath the see-through visor is visible to a viewer looking from above the see-through visor towards the surgical field.

The invention discloses a license plate character segmentation method based on grey level histogram binaryzation. The plate character segmentation method comprises the following steps of converting an original color license plate image into a gray level image, calculating the gray average of the interest region in the gray level image and a gray level histogram, namely, the number of the pixel points corresponding to all gray values, sequentially verifying whether the gray values can meet set binaryzation threshold conditions, using the corresponding gray values as the binaryzation thresholds to carry out binaryzation treatment on the license plate image if the binaryzation threshold conditions are met, and utilizing a projection method to segment a binaryzation image to obtain license plate characters. The license plate character segmentation method based on the grey level histogram binaryzation can little affected by factors of uneven illumination, license plate contamination and the like, can set the binaryzation threshold of the license plate gray level image in a self-adaption mode, separates the license plate characters from a background area, obtains a clear binary image and can conveniently utilize the projection method to regionally segment the binaryzation image.

Methods, systems, and products are disclosed for providing communications services. One method receives a request for communications service. The request for communications service originates from a client communications device associated with a user, and the request for communications service communicates via a communications network to a service provider of that communications network. The service provider then permits the user to negotiate with other service providers of other communications networks to fulfill the request for communications service.

The present invention relates to a sensor device for detecting dose of radiation received at the sensor device, the sensor device comprising a flexible body having a cross-section being comparatively small relative to the length of the device, a cladding at the flexible body, the cladding converting incoming radiation into visible light, and an optical shape sensing device disposed within the flexible body and configured to determine a shape of the flexible instrument relative to a reference, the shape sensing device configured to collect information based on its configuration to map an intraluminal structure during a procedure. The present invention further relates to a radiation therapy system including such a sensor device and a method of operating a radiation therapy system including such a sensor device.

The invention discloses a corn stalk peel and core separator. The corn stalk peel and core separator comprises a first conveying belt, a cutting mechanism, a rotation shaft, circular blades, a hydraulic cylinder, a baffle, a hydraulic telescopic rod, a push rod, a draught fan, a peel roller mechanism, a second conveying belt, a limiting plate, a motor, a belt, a sweeping wheel, grooves, brushes, a conveying roller, an upper grinding roller, a lower grinding roller, a machine shell, a cutter, a core peeling roller, a core peeling bottom plate, a screen, a chain, spiral blades, a cutter shaft and a running pulley. The conveying belt manner is adopted in the corn stalk peel and core separator for transverse straw conveying, meanwhile, the blades are adopted for cutting, the straw is convenient to segment, fragmentary leaves fall down through wind power, the leaves of the corn stalk are peeled through the peel roller mechanism, and the shuck of the corn straw is not damaged; meanwhile, a sweeping roller is adopted for secondary sweeping, and complete leaf separation is ensured; after grinding is conducted through the grinding rollers, the core peeling roller is adopted for core and peel separation, the separated core and peel are screened through the screen, and the core and the leaves are shredded.

The invention discloses selenium-rich health dried beancurd sticks which are prepared from the following raw materials: soybeans, black soybeans, selenium-rich goat milk, broccoli, euscaphis japonica, exochorda racemosa leaf, fructus camptothecae acuminatae, ophicslcite, spice, selenium-rich maltose, salt, laminarin, udo oil and selenium-rich tea polyphenol. The selenium-rich health dried beancurd sticks disclosed by the invention have the advantages of easiness in rehydration, delicate mouthfeel, chewy property, elasticity, rich aroma, light yellow color, balanced nutrition, rich organic selenium, easiness in absorption and comprehensive healthcare functions, and realizes the functions of removing toxin, nourishing liver and improving vision, protecting heart and cerebral vessels, resisting oxidation and aging, improving immunity and resisting cancer; the soybeans and black soybeans are ground and then soaked, thus quick precipitation of active ingredients is promoted, the dosage of soybeans is saved, and the cost is lowed; the extract of traditional Chinese medicines and spice is added, the beany flavor can be eliminated, and the marinated taste of the dried beancurd sticks is enhanced; through freeze drying of the dried beancurd sticks, lots of nutritional ingredients are maintained, and the rehydration is fast; and by adding the spice, the cooking process is simplified, and the time is saved.

The invention provides cooked Chinese yam peeling apparatus. The cooked Chinese yam peeling apparatus comprises a peeling box, a fixed bearing, a connecting rod, a clamping plate, a fixed needle, a Chinese yam fixing and rotating plate structure, a sliding peeling knife structure, a Chinese yam peel observing and collecting seat structure, a box cover, a cover handle, a U-shaped base, a connectingshaft, a cutting knife, a placing seat, a knife holder and a clamping gate; the clamping gate is in hinged connection with the upper part of the left side of the peeling box; and the fixed bearing isembedded at the middle position inside the clamping gate. By arranging gripping plates, a rotating needle, the clamping plate and the fixed needle, the cooked Chinese yam peeling apparatus is capableof facilitating fixing of Chinese yams when the Chinese yams are being peeled, thereby facilitating peeling operation on the Chinese yams; by arranging a connecting box and a collecting box, the cooked Chinese yam peeling apparatus is capable of facilitating collecting of cut Chinese yam peel, thereby preventing pollution to working environment by the Chinese yam peel; and by arranging a rotatingbearing, the gripping plates, the rotating needle, a rotating rod, the fixed bearing, the connecting rod, the clamping plate and the fixed needle, the cooked Chinese yam peeling apparatus is capableof facilitating rotating of Chinese yams when the Chinese yams are being peeled, thereby facilitating peeling operation on the Chinese yams.

The present invention discloses a wiring connection device for a pin slot segmented busbar in a generator set. The structure of the wiring connection device comprises: a rotor shaft cap, a collector plate socket, pin segment slots, an interlocking frame ring, a busbar tube, an electromagnetic coil barrel, and a fin heat sink cover; the rotor shaft cap is nested inside the hub of the collector plate socket; there are two pin segment slots, and the pin segment slots are closely attached to the right side of the collector plate socket; and the pin segment slots are electrically connected with theelectromagnetic coil barrel through the collector plate socket. According to the technical scheme of the present invention, the ratchet shaving ring is matched with the wiring hemispherical cap, theinsulating shell of the busbar tube is scraped off by the triangular shaving blade through the upper and lower parts of the ladder frame plate holding out against the inner van frame ring, the penetration of the copper screw into the rubber square tube to contact the solder ball cap of the dome cavity is facilitated, contact points of the multi-angle circular section are formed, the busbar circuitcan be directly connected and convenient segmentation can be achieved, a low-cost segmented wiring effect can be achieved, looseness during maintenance can be avoided, and the connection effect of the contact ball cap guiding the segment pins can be achieved.

The invention provides an assembling method of a heating and ventilation integral machine room. The method comprises the following steps of: producing partial system assemblies required by the processing of the heating and ventilation integral machine room according to a drawing surveyed and mapped in advance; performing segmented packaging on all system assemblies required by the heating and ventilation integral machine room and transporting all of the system assemblies required by the heating and ventilation integral machine room to a construction field; and performing field splicing on the segmented packaged system assemblies. By aiming at the problems in the prior art, the invention aims at providing the assembling method of the heating and ventilation integral machine room and the heating and ventilation integral machine room assembled according to the assembling method, so that the defects of low assembling work efficiency, long installing work period and material waste of the existing machine room system are overcome; and the material-saving assembling method with high installation efficiency and the heating and ventilation integral machine room assembled according to the method are provided for machine room system assembly.

The invention discloses an automatic bamboo cutting machine. The automatic bamboo cutting machine comprises a chassis. A crawler type walking base is installed at the bottom of the chassis. A storagebox is fixed to one end of the top of the chassis. A first mechanical arm is fixed to the other end of the top of the chassis. Second mechanical arms fixed to the top of the chassis are arranged on the two sides of the first mechanical arm. An installing frame is fixed to one end of the first mechanical arm, a first installing plate is fixed to one side wall of the installing frame, two arc-shapedfirst mechanical jaws are rotationally connected to the end, away from the installing frame, of the first installing plate, tool bits are fixed to the tops of the two first mechanical jaws, each of the two sides of the first installing plate is provided with a second installing plate and a third installing plate which are fixedly connected with the installing frame, and carrying plates are fixedto the tops of the second installing plates. Bamboo can be conveniently felled and segmented, the length of the felled bamboo can be adjusted according to requirements, the felled bamboo can be conveniently stacked and conveyed, bamboo felling is efficient, the labor intensity of workers is reduced, and the use requirements of people are met.

The invention provides a machining tooling and method for a curved panel. The machining tooling for the curved panel comprises a plurality of vertical columns used for supporting the curved panel. Themultiple vertical columns are distributed at intervals in parallel. Each vertical column comprises a bottom pipe, a top pipe opposite to the upper part and the lower part of the bottom pipe and a lead screw arranged between the bottom pipe and the top pipe. The top ends of the top pipes are used for being fixedly connected with the curved panel. The two ends of each lead screw are connected withthe corresponding bottom pipe and the corresponding top pipe in a threaded mode correspondingly. The middle of each lead screw is provided with a holding part. The lead screws are rotated through theholding parts, and the distance from each bottom pipe to the corresponding top pipe is adjusted. The end faces of the top ends of the multiple vertical columns form a curved surface, and the degree ofcurve of the curved surface is consistent with the designed degree of curve of the curved panel. The degree of curve of the curved panel is corrected according to the end faces of the top ends of thevertical columns so that the curved panel can be fixed to the machining tooling. Therefore, when the curved panel is machined again, the large deformation quantity of the curved panel cannot occur, the stability of the shape of the curved panel is ensured, and segment and folding assembly of the curved panel are facilitated.

The invention discloses a radiation prevention bean curd stick. The radiation prevention bean curd stick is made from soybeans, red beans, goat's milk, carrots, Sophora alopecuroides L, elm fruit, Manyprickle Acathopanax Root, Herb of Ghostplant Wormwood, a spice, edible salt, maltose, Rubia cordifolia polysaccharides, Udo oil and saponins. The radiation prevention bean curd stick has the advantages of easy rehydration, tender mouthfeel, chewy property, dense fragrance, pale light color, balanced nutrition, easy absorption, and comprehensive health functions, and can prevent radiation, nourish liver, improve eyesight, protect heart and cerebral vessels, prevent oxidation and ageing, enhance immunity, prevent cancer, keep youth and care skins; soybeans and red beans are crushed and then are immersed, so the crushing degree is improved, rapid separation of effective components is promoted, and the use amount of the soybeans is saved; traditional Chinese medicines and spice extract are added to soybean milk, and repeated boiling of obtained soybean milk can eliminate the beany small and increase the spiced taste of bean curd sticks; and the bean curd sticks are freeze-dried to realize hard and crisp handle and easy segmenting, the freeze-dried bean curd sticks can be fast rehydrated in cold water in the cooking process, and then the spice is added, so the cooking process is simplified, and time is saved.

The invention provides an improved infrared image segmentation algorithm based on the Otsu method, and the algorithm can solve a problem of poor segmentation effect caused by sky exposure to the greatest extent, and can enable the segmented target to maintain a more complete shape. Because the contrast of an infrared image is low relatively and the gray scale range is relatively small, the Otsu method cannot achieve the good segmentation of a target. Through giving consideration to the impact on the segmentation from the image gray scale, the number of background pixels of an image and the number of target pixels, the algorithm achieves the improvement of a formula for solving a variance in a conventional Otsu method, irons out the defects that an infrared image segmentation algorithm based on the Otsu method cannot obtain a better segmentation result under the condition of sky exposure and smaller contrast between the sky and the target, and enables the segmentation effect to be goodin a region where the contrast between the target and the sky background is larger.

The invention relates to a dough segmenting device for cooked wheaten food teaching, particularly a rotary dough segmenting device for cooked wheaten food teaching. The technical problem to be solvedby the present invention is to provide a rotary dough segmenting device which is used for cooked wheaten food teaching, which can achieve dough segmenting without relying on manpower and which can effectively improve the teaching effect. In order to solve the above technical problems, the present invention provides the rotary dough segmenting device for cooked wheaten food teaching, and the deviceincludes a mounting frame, an extrusion box, a spring, a first moving rod, a second moving rod, an extrusion block, electric winding wheels, steel wire ropes, a first bearing seat, first rotating rods, and the like. The front side of the lower part of the mounting frame is connected to the extrusion box. The middle of the right wall of the extrusion box is provided with a first through hole, andthe right side of the extrusion box is connected to the spring. The device can achieve dough segmenting without relying on manpower and can effectively improve the teaching effect. The second rotatingrods rotating can segment dough conveniently, and the extrusion block moving left and right can continuously extrude the dough.

The present invention provides a particle burnable poison reactivity control method, a burnable poison plate and a fuel rod provided, wherein particle burnable poison parameters are obtained by setting the initial remaining reactivity and the service life of a reactor core and inputting the initial remaining reactivity and the service life of the reactor core into a reactor core reactivity and burnup change model; the particle burnable poison parameters comprise a particle type, a particle diameter, a particle volume fraction, a particle doping rate and a particle porosity; target particle burnable poison is selected based on particle burnable poison parameters and added into the reactor core, the burnup rate of the poison is increased, burnable poison residues at the end of life are reduced, burnable poison segmentation is facilitated, and control over the residual reactivity of the reactor core is facilitated.

The invention provides a machining tooling and method for a curved panel. The machining tooling for the curved panel comprises a plurality of vertical columns used for supporting the curved panel. Themultiple vertical columns are distributed at intervals in parallel. Each vertical column comprises a bottom pipe, a top pipe opposite to the upper part and the lower part of the bottom pipe and a lead screw arranged between the bottom pipe and the top pipe. The top ends of the top pipes are used for being fixedly connected with the curved panel. The two ends of each lead screw are connected withthe corresponding bottom pipe and the corresponding top pipe in a threaded mode correspondingly. The middle of each lead screw is provided with a holding part. The lead screws are rotated through theholding parts, and the distance from each bottom pipe to the corresponding top pipe is adjusted. The end faces of the top ends of the multiple vertical columns form a curved surface, and the degree ofcurve of the curved surface is consistent with the designed degree of curve of the curved panel. The degree of curve of the curved panel is corrected according to the end faces of the top ends of thevertical columns so that the curved panel can be fixed to the machining tooling. Therefore, when the curved panel is machined again, the large deformation quantity of the curved panel cannot occur, the stability of the shape of the curved panel is ensured, and segment and folding assembly of the curved panel are facilitated.

The invention relates to the field of leather processing. Full-automatic leather and felt synthesis equipment comprises a rack, a felt bonding and cutting device and a leather bonding and cutting device, the felt bonding and cutting device and the leather bonding and cutting device are arranged on the rack, and the discharging end of the felt bonding and cutting device is connected with the feeding end of the leather bonding and cutting device. The felt bonding and cutting device is used for bonding a felt to a drum wheel and cutting off waste materials; the leather bonding and cutting deviceis used for bonding leather to the felt and cutting off waste. In conclusion, the full-automatic leather and felt synthesis equipment has the advantages that full-automatic bonding of the leather andthe felt is achieved, the material conveying efficiency is improved, the dispensing efficiency is improved, dispensing missing is prevented, and the bonding efficiency is improved.

The invention discloses a license plate character segmentation method based on grey level histogram binaryzation. The plate character segmentation method comprises the following steps of converting an original color license plate image into a gray level image, calculating the gray average of the interest region in the gray level image and a gray level histogram, namely, the number of the pixel points corresponding to all gray values, sequentially verifying whether the gray values can meet set binaryzation threshold conditions, using the corresponding gray values as the binaryzation thresholds to carry out binaryzation treatment on the license plate image if the binaryzation threshold conditions are met, and utilizing a projection method to segment a binaryzation image to obtain license plate characters. The license plate character segmentation method based on the grey level histogram binaryzation can little affected by factors of uneven illumination, license plate contamination and the like, can set the binaryzation threshold of the license plate gray level image in a self-adaption mode, separates the license plate characters from a background area, obtains a clear binary image and can conveniently utilize the projection method to regionally segment the binaryzation image.

The present invention provides a method and device for generating an indoor environment map. The method includes: determining a feasible region in a grid map; dividing the feasible region by a gate segmentation algorithm to obtain a first sub-feasible region and a second sub-feasible region ; Processing the second sub-feasible area by a spectral clustering algorithm to obtain multiple topological areas; fusing the gate area, the first sub-feasible area and multiple topological areas and establishing a topological connection relationship to obtain an indoor environment map. This method is a topological segmentation on a grid map. The gate segmentation algorithm reduces the computational load of the topological segmentation, and the spectral clustering algorithm improves the accuracy of the topological segmentation. It inherits the advantages of easy construction of the grid map and realizes The expression of the regional environment category, in the semantic navigation, the planning efficiency of the path is high, and the method of generating the environmental map in the prior art cannot satisfy the technical problem of easy construction and regional segmentation at the same time.

The invention relates to the technical field of leather processing, and discloses a leather bonding and cutting device of leather and felt synthesis equipment. The leather bonding and cutting device comprises a leather conveying assembly, a leather bonding assembly, a leather edge removing assembly and a leather cutting assembly, wherein the leather conveying assembly is used for conveying and feeding leather, the material outlet end of the leather bonding assembly is connected with the material inlet end of the leather edge removing assembly, the leather bonding assembly is used for bonding the leather to a felt, the material outlet end of the leather edge removing assembly is connected with the material inlet end of the leather cutting assembly, the leather edge removing assembly is usedfor removing bonded leather waste, and the leather cutting assembly is used for cutting and segmenting the leather. According to the invention, with the leather bonding and cutting device, the full-automatic adhesive dispensing machine has the advantages that full-automatic adhesion of leather and felt is achieved, the material conveying efficiency is improved, the adhesive dispensing efficiencyis improved, adhesive dispensing missing is prevented, and the adhesion efficiency is improved.

The method for controlling the reactivity of particulate combustible poisons, combustible poison plates and fuel rods provided by the present invention is to set the residual reactivity at the beginning of the core life and the length of the lifetime, and input the residual reactivity and the lifetime of the core at the beginning of its life. In the core reactivity and burnup change model, the parameters of the particulate burnable poison are obtained; the parameters of the particulate burnable poison include particle type, particle diameter, particle volume fraction, particle doping rate and particle porosity; the target particles are selected based on the particle burnable poison parameters Burnable poisons are added to the core to increase the rate of poison burnup, reduce the residue of burnable poisons at the end of life, and facilitate the segmentation of burnable poisons, which is beneficial to the control of the remaining reactivity of the core.

The invention provides a method for assembling a HVAC self-contained computer room, which includes: producing and processing some system components required by the HVAC self-contained computer room according to the drawings surveyed and drawn in advance; The components are packaged and transported to the construction site in sections; and the system components packaged in sections are assembled on site. In view of the problems existing in the related technologies, the object of the present invention is to provide an assembly method of a HVAC self-contained computer room and a HVAC self-contained computer room assembled according to this assembly method, so as to overcome the problems of assembly of the current computer room system. The shortcomings of low work efficiency, long installation period, and waste of materials provide a high-efficiency, material-saving assembly method for the assembly of the computer room system and a HVAC self-contained computer room assembled according to this assembly method.

The present invention relates to a sensor device for detecting dose of radiation received at the sensor device, the sensor device comprising a flexible body having a cross-section being comparatively small relative to the length of the device, a cladding at the flexible body, the cladding converting incoming radiation into visible light, and an optical shape sensing device disposed within the flexible body and configured to determine a shape of the flexible instrument relative to a reference, the shape sensing device configured to collect information based on its configuration to map an intraluminal structure during a procedure. The present invention further relates to a radiation therapy system including such a sensor device and a method of operating a radiation therapy system including such a sensor device.

The invention discloses a quality control method and a construction method of Tibetan red yeast rice. The effective components of the Tibetan red yeast rice comprise a nucleoside compound, a monascus pigment compound, lovastatin, citrinin and a moracoline compound. The quality control method comprises the step of detecting effective components of the Tibetan red yeast rice by adopting a UHPLC (Ultra High Performance Liquid Chromatography) method. According to the quality control method of the Tibetan red yeast rice, the conditions of the liquid chromatography are explored according to the component characteristics of the Tibetan red yeast rice, 21 effective components in the Tibetan red yeast rice can be identified and detected at a time, the detection efficiency is greatly improved, the chemical components and the quality characteristics of the Tibetan red yeast rice are comprehensively reflected, the Tibetan red yeast rice can be effectively distinguished from existing traditional Chinese medicine red yeast rice, and homogenization is avoided.