54results about How to "Effective cropping" patented technology

A method of real-time cropping of a real entity in motion in a real environment and recorded in a video sequence, the real entity being associated with a virtual entity, the method comprising the following steps: extraction (S1, S1A) from the video sequence of an image comprising the real entity recorded, determination of a scale and/or of an orientation (S2, S2A) of the real entity on the basis of the image comprising the real entity recorded, transformation (S3, S4, S3A, S4A) suitable for scaling, orienting, and positioning in a substantially identical manner the virtual entity and the real entity to recorded, and substitution (S5, S6, S5A, S6A) of the virtual entity with a cropped image of the real entity, the cropped image of the real entity being a zone of the image comprising the real entity recorded delimited by a contour of the virtual entity.

The invention discloses an image cutting method and an image cutting device, which belong to the field of image processing. The image cutting method comprises the following steps: a face saliency model of an image is established, wherein the face saliency model is used for characterizing the influence of faces in the image to the saliency values of pixels in the image after the faces are superposed; a pre-established color saliency model and the face saliency model are linearly superposed to obtain a target saliency model; and the image is cut by using the target saliency model. The image is accurately cut by combining the color saliency model and the face saliency model. The problem in the related technologies that only color information of an image is considered in image cutting based on image color saliency analysis and an image including other important features can be easily mis-cut is solved. Faces in an image can be effectively cut when the image is cut.

The invention discloses an axial flow wind wheel and an air conditioner with the axial flow wind wheel. The axial flow wind wheel comprises an outer wheel hub, an inner wheel hub, a plurality of outer blades and a plurality of inner blades, wherein the inner wheel hub is arranged in the outer wheel hub; the outer blades are arranged on the outer peripheral wall of the outer wheel hub and are arranged in the circumferential direction of the outer wheel hub at intervals; the inner blades are arranged between the inner peripheral wall of the inner wheel hub and the inner peripheral wall of the outer wheel hub and are arranged in the circumferential direction of the inner wheel hub at intervals. According to the axial flow wind wheel, the inner blades and the outer blades are simultaneously arranged on the axial flow wind wheel, so that the overall air-out air trajectory of the axial flow wind wheel can be effectively clipped, the air-out effect of the axial flow wind wheel is effectively improved, and the air sending distance and the air sending power are taken into account by the axial flow wind wheel.

The invention provides an embedded artificial intelligence computing framework and an application method, and belongs to the technical field of computers and artificial intelligence, and the computing framework comprises: a first interface layer which is an external interface, is used for providing a front-end interface or a user development interface, and is used for providing a unified call interface for an application service; an intelligent layer which is connected with the first interface layer and is used for providing an interface and a core module which are used for constructing an intelligent model and training and reasoning the constructed intelligent model; a second interface layer which is an internal interface, is connected with the intelligent layer and is used for providing an interface for calling the hardware layer to perform data calculation for the calculation task; and a hardware layer which is connected with the second interface layer and is used for calculating the data related to the intelligent layer through hardware provided by the system. According to the embedded artificial intelligence computing framework provided by the invention, the problems that an open source framework in the prior art is serious in dependence on a third party, the version is difficult to control, codes cannot be autonomously controlled and the like are solved.

The invention discloses a Group Lasso-based neural network cutting method for a power amplifier, and belongs to the technical field of communication. The method comprises the following steps: for an original neural network structure, dividing all output weights connected to the same neuron in other layers except an output layer into one group; carrying out l2 norm constraint on each group of weights after grouping; taking the sum of L2 norms of the weights of all groups in the original neural network structure as a Group Lasso penalty term, and adding the Group Lasso penalty term to the original loss function Loss1 to obtain a new loss function Loss2; carrying out minimization training on the Loss2 through a BP algorithm; searching for weight groups with convergence close to 0, removing neurons connected with the weight groups to obtain a simplified neural network, training an original loss function Loss1 by adopting a BP algorithm to obtain a trained simplified neural network model, and modeling or pre-distorting the power amplifier by utilizing the model. Overfitting in the training process can be inhibited, the pre-distortion effect is improved, the calculated amount is reduced,and engineering application is facilitated.

The embodiment of the invention discloses a test platform construction method and test method for unmanned aerial vehicle flight control management software. The method comprises the steps: building an interface of the unmanned aerial vehicle flight control management software, and the interface comprises an internal interface and an external interface of the unmanned aerial vehicle flight controlmanagement software; establishing a virtual target machine for operating the unmanned aerial vehicle flight control management software according to the internal interface; establishing a distributedsimulation data bus, and connecting the unmanned aerial vehicle flight control management software and the external simulation subsystem through the distributed simulation data bus; and establishingan external simulation subsystem for simulating the external environment subsystem according to the external interface. According to the embodiment of the invention, by establishing a peripheral equipment digital simulation environment associated with unmanned aerial vehicle flight control and management system software and integrating mature test analysis and management tools, a comprehensive test method for white box test, black box test and static analysis of the unmanned aerial vehicle flight control and management system software is carried out on the basis of the peripheral equipment digital simulation environment.

The embodiment of the invention discloses a video clipping method, electronic equipment and a computer readable storage medium, and belongs to the technical field of video processing. The video clipping method comprises the steps of obtaining a to-be-processed target video; separately determining the core degree of each object in the target video; according to the core degree of each object, determining the object of which the core degree is greater than a preset threshold as a target object corresponding to the target video; taking the target object as a clipping target, and clipping video frames in the target video to obtain a plurality of clipped video frames; and generating a clipped video according to the plurality of clipped video frames. According to the embodiment of the invention,the clipping target object can be selected based on the core degree, thereby guaranteeing the effective clipping of the core object in the target video, and improving the video clipping effect.

The invention discloses a method for constructing a virtual test environment of environment control system software and belongs to the technical field of airborne system software testing. The method comprises the steps that first, comprehensive airborne electronic system network configuration containing an environment control system is constructed, and an interface associated with the environmentcontrol system is constructed; second, a virtual target machine associated with the environment control system is constructed, an embedded operating system is formed, a simulation control and displaymodule is constructed according to the network configuration, and a peripheral device model base is constructed; third, fault models of all systems are established, and a dynamic link library is developed to form an interface associated with the environment control system and the embedded operating system; and last, an auxiliary test tool is integrated and used for performing black-box and white-box testing on the environment control system software. Through the method, in the virtual test environment or system, environment control system airborne software configuration item testing can be completed independently and sufficiently without the influence of a real running environment of a flight management system.

The invention discloses a printing machine, and relates to the technical field of printing machines. According to the printing machine, a fixing column is fixedly connected to the rear surface of a first bearing; a connecting rod is fixedly connected to the right end of the fixing column; a rotating column is connected to the rear surface of the left end of the connecting rod in a sleeving mode; asliding strip is connected to the interior of the front end of the rotating column; a vertical plate is fixedly connected to the left end of the sliding strip; a sliding block is fixedly connected tothe front surface of the vertical plate; a square groove is formed in the rear surface of a box body; and a pressing plate is fixedly connected to the upper end of the vertical plate. According to the printing machine, a motor is started, the first bearing rotates to drive a first roller to rotate, raw cloth can be conveyed clockwise, the sliding strip pushes the sliding block to move left and right in the square groove, the vertical plate drives the pressing plate to move left and right, the raw cloth is repeatedly flattened, so that the raw cloth can be effectively kept flat during feeding,and printing is facilitated; and a heating pipe is arranged at the right end of a printing device, a heat insulation seat is fixedly connected to the lower end of the heating pipe, when the raw clothis conveyed to the position below the heating pipe, printing ink can be uniformly heated, and therefore drying and forming of the ink can be accelerated more effectively.

The invention belongs to the field of social network analysis, and particularly relates to a microblog user trust evaluation method based on trust propagation. The method comprises: selecting seed nodes; executing a pruning method for the user social relation graph; setting an initial value in a deviation manner, and propgagting credible scores from two directions of credible propagation and uncredible propagation. In the aspect of seed node selection, nodes in a data set are clustered according to user characteristics to select two types of seed node sets, namely credible seeds and maliciousseeds with the most propagation value. In order to prevent the influence of the relation established between the user and the normal user on the algorithm from being damaged, the pruning method basedon the social activity and the similarity is designed, and the attack edge can be effectively clipped. And finally, trust propagation is simultaneously carried out from two types of seed nodes by utilizing the user social network diagram, the final user credibility is calculated through weighting, and malicious users with low credibility values are screened out. According to the invention, attacksof malicious users on the evaluation method can be effectively resisted.

The invention provides a voice decoding method and device. The voice decoding method comprises the following steps of: A, obtaining a current voice characteristic frame from a voice characteristic flow to be decoded; B, utilizing the current voice characteristic frame to expand each current decoding path; C, utilizing a voice short-time stable characteristic to select more than one decoding path from each expanded decoding path to be used as the current decoding path; judging whether the voice characteristic flow to be decoded reaches to a final frame or not; if so, determining an optimal decoding path from the current each decoding path to be used as a result for decoding the voice characteristic flow to be decoded; and if not, taking a next frame of the voice characteristic flow to be decoded as the current voice characteristic frame, and returning back to the step B. With the adoption of the manner, the precision of voice decoding is improved.

The invention discloses a method for constructing a cabin pressure control system application software virtual test environment. The method comprises the following steps: to begin with, constructing acomprehensive airborne electronic system network structure having a cabin pressure control system, and constructing interfaces associated with the cabin pressure control system; then, constructing avirtual target machine associated with the cabin pressure control system, forming an embedded operating system and constructing a simulation control and display module according to the network structure; constructing a peripheral device model library; then, establishing a fault model of all systems, and developing a dynamic link library to form an interface for the cabin pressure control system and the embedded operating system; and finally, integrating auxiliary test tools for testing cabin pressure control system software. The method can independently and fully complete test of configurationitems of airborne software of the cabin pressure control system in the virtual test environment or system without being influenced by system real operation environment.

The invention relates to cutting equipment, in particular to fast leather shoe fabric cutting equipment for leather shoe processing. The fast leather shoe fabric cutting equipment comprises a top plate and the like and is characterized in that a placing plate is arranged at the top of a bottom plate, the top plate is arranged right above the bottom plate, a moving device is arranged at the bottom of the top plate, and a cutting device is arranged at the bottom of the moving device. The fast leather shoe fabric cutting equipment has the advantages that the equipment is simple to operate and convenient for a shoemaker to use, a leather shoe can be easily fixed during leather shoe shaping, and the shoemaker can constantly downwardly press a first pressing rod so as to well cut leather shoe fabric.

The invention discloses a folding ironing device used for woven label production and convenient to use. The device comprises an ironing module, a lower pressing rod, a pressing rotary shaft, a cutting blade, a control device, a reel conveying mechanism, a transition table, a folding pin roller set, a conveying pin roller set, an ironing table and a pulling device. The reel conveying mechanism, the transition table, the folding pin roller set, the conveying pin roller set, the ironing table and the pulling device are sequentially arranged. A fold pressing plate is arranged on the angular bisector of the transition table and a side baffle, the conveying pin roller set is composed of two second pin rollers, the gap between two second pin roller supports is parallel to the upper surface of the transition table, the ironing module is arranged over the feeding end of the ironing table, the lower pressing rod is fixed to the top of the ironing module, the pressing rotary shafts are arranged over the middle of the ironing table, the cutting blade is arranged on the edge of one side of the pressing rotary shafts, and an auxiliary groove matched with the cutting blade is formed in the ironing table. By arranging the fold pressing plate on the angular bisector of the transition table and the side baffle, prints can be printed on cloth for woven labels, and folding is convenient.

The invention relates to a cutting device of an iron wire feather duster handle. The cutting device comprises a base. The base is provided with a supporting rod. The upper end of the supporting rod isfixedly provided with a supporting frame. The supporting frame is provided with a rotating shaft. A cam is arranged on the rotating shaft. The cam can rotate in a cam track of a cam supporting shaft.The cam supporting shaft is fixed on a supporting plate. A high-strength spring is arranged between the supporting plate and the supporting frame. A cutter fixing frame is arranged below the supporting plate. The cutter fixing frame is provided with a cutter. The cutter is fixed through fixing screws. Cutter moving grooves are formed in the two side surfaces of the cutter and connected with a roller. The roller is mounted on a roller supporting rod. The roller supporting rod is fixed on the base. One end of the rotating shaft is provided with a power rotating wheel. The power rotating wheel is provided with a belt. The other end of the belt is mounted on a transmission wheel. The transmission wheel is mounted on a motor. The cutting device is simple in structural design, problems such asuneven cutting force can be avoided, the production efficiency is improved, and the practicability is high.

The invention discloses an automatic discharging machine. The automatic discharging machine comprises a rack, a feeding port, a discharging port, a transmission mechanism, a leather-clamping mechanism and a leather-cutting mechanism. The feeding port is formed in one end of the rack, and the discharging port is formed in the other end of the rack. The transmission mechanism is arranged on the rack, the leather-clamping mechanism is arranged on upper portion of the transmission mechanism, and the leather-cutting mechanism is arranged on one side of the leather-clamping mechanism. The leather-cutting mechanism comprises a fixing plate, a supporting plate, supporting frames, a knife plate, a cutting blade, a cutting plate, a cutting plate fixing plate, eccentric wheels, eccentric wheel supports, hinge pins and transmission shafts. A gear is arranged at the shaft end of each transmission shaft, every two adjacent transmission shafts are engaged with each other through the corresponding gear, and the transmission shafts penetrate through the eccentric wheels. The eccentric wheel supports are arranged on the outer sides of the eccentric wheels and fixedly connected to the knife plate through the hinge pins, and the cutting blade is arranged on the lower portion of the knife plate. According to the automatic discharging machine, leather cushions are synchronously cut off, and meanwhile the leather cushions are effectively trimmed; and cuts are smooth and complete, cutting-off efficiency is high, and labor intensity of workers is lowered.

The invention relates to the technical field of door plate processing, and discloses a door plate edge bonding machine with a cutting structure. The door plate edge bonding machine comprises a fixed bottom plate, the lower surface of the fixed bottom plate is fixedly connected with a base, the upper surface of the fixed bottom plate is fixedly connected with a portal frame, the upper surface of the portal frame is fixedly connected with an air pump, a first air cylinder is fixedly connected to the inner wall of the top of the portal frame, and a lifting plate is fixedly connected to the lower surface of the first air cylinder. According to the door plate edge bonding machine with the cutting structure, a first electric push rod drives a clamping plate to be matched with a second electric push rod to drive a first linkage rod and a buffer clamping plate to move downwards to clamp and fix a door plate, a better fixing effect is achieved on the door plate, the edge sealing and cutting effect of the door plate is effectively prevented from being affected by door plate deviation in the cutting process, edge sealing operation can be better carried out on the door plate, the use convenience is further improved, and the work efficiency is improved.

Concepts and technologies are described herein for transforming data to create layouts. In accordance with the concepts and technologies disclosed herein, a computing device can execute a layout generator. The computing device can be configured to receive or retrieve data that includes visual content such as an image and other content such as text. The computing device can analyze the visual content to identify a salient region and/or an invariant region within the visual content. The computing device can access designs for laying out visual content and other content based upon an identified salient region and/or invariant region. The computing device can evaluate the designs to determine if a design matches the data. The computing device can load the data into the selected design to generate the layout.

The invention discloses a hanging and cutting device. Two limiting plates are fixedly installed at the top of a bottom plate; a shell is movably installed on the outer sides of the two limiting plates; material ports are formed in the top and the front face of the shell; two guide rollers are movably installed on the opposite sides of the two limiting plates; two first bearings are connected inside the two limiting plates in a sleeved mode; hollow rollers are movably connected inside the two first bearings in a sleeved mode; second bearings are connected inside one ends of the hollow rollers in a sleeved mode; and U-shaped pipes are movably connected inside the second bearings in a sleeved mode. Through the arrangement of a storage net and a brush, residual fibers on the outer side of cloth can be brushed off, so that the situation that the fibers are ironed on the outer side of the cloth during ironing is prevented, an the burr feeling is reduced; the internal ironing efficiency is improved in cooperation with limiting of the shell; the fine fibers fall into the storage net at the bottom through the limiting effect of the shell, so that collection is convenient; and in addition, the product quality of cloth production is improved, and the use effect is good.

The invention provides an optical fiber drawing and shearing machine with an optical fiber coating storing function. The optical fiber drawing and shearing machine with the optical fiber coating storing function is used for shearing an optical fiber, and comprises a mounting seat, a first clamping mechanism, a second clamping mechanism, a shearing mechanism and a power supply assembly, wherein thefirst clamping mechanism and the second clamping mechanism are arranged on the mounting seat in a spacing manner; the first clamping mechanism and the second clamping mechanism are used for clampingthe optical fiber to be sheared respectively; the shearing mechanism is arranged on the mounting seat; the shearing mechanism is positioned between the first clamping mechanism and the second clampingmechanism so as to shear the optical fiber when the first clamping mechanism and the second clamping mechanism clamp the optical fiber to be sheared respectively; the power supply assembly is connected with the first clamping mechanism, the second clamping mechanism and the shearing mechanism respectively so as to supply power. According to the optical fiber drawing and shearing machine with theoptical fiber coating storing function, provided by the embodiment of the invention, through cooperation of the first clamping mechanism, the second clamping mechanism and the shearing mechanism, theoptical fiber to be sheared can be effected sheared; the optical fiber drawing and shearing machine with the optical fiber coating storing function is simple in structure, intelligent in control and high in shearing efficiency.

The invention relates to the technical field of mask machines. The invention discloses an ear belt feeding device for cup-shaped mask production. The ear belt feeding device comprises a feeding assembly, an installation frame, a moving frame, a moving air cylinder, a rotating motor, a rotating shaft, a gear set, a winding disc, a rope clamping assembly and a rope cutting assembly. The feeding assembly is used for sending out the ear belt rope; the movable frame is movably connected to the installation platform through a sliding rail, the movable air cylinder is arranged on the installation frame, and the telescopic end of the movable air cylinder is connected with the movable frame. The rotating motor is installed on the moving frame, and the rotating shaft is hinged to the moving frame. The center of the winding disc is fixed at the shaft end of the rotating shaft; the rope clamping assembly and the rope cutting assembly are installed on the winding disc. The device has the advantagesof rotary ear band winding, compact structure, high band winding efficiency, simultaneous processing of two sides of the cup-shaped mask and small nailing impact force.

The invention discloses a yarn cutting device for a textile machine, which comprises a device main body, guide seats are fixedly mounted at the positions, close to the upper end, in the device main body and the positions, close to the lower end, in the device main body, and an adjusting device is arranged on the upper end surface of the device main body; the yarn limiting device is used for limiting the position of yarn and comprises an upper limiting seat and a lower limiting seat, the upper limiting seat and the lower limiting seat are both arranged in a guide opening in the guide seat, and the adjusting device is connected with the upper limiting seat; and the cutting assembly is used for cutting the yarns. According to the yarn cutting device for the textile machine, mutual winding of yarns can be avoided, workers do not need to tidy the yarns before and after cutting, the workload of operators can be reduced, multiple groups of yarns can be effectively cut, the yarns cannot swing in the cutting process, follow-up tidying is not needed, the use effect is good, and better use prospects are brought.