49results about How to "Good composition" patented technology

The invention discloses a manufacturing method of a multi-feature fusion map facing an autonomous vehicle. The method comprises the following steps: collecting data of each sensor by utilizing an on-board laser radar device; generating a three-dimensional point cloud map by utilizing IMU(Inertial Measurement Unit) data and laser measurement data; generating a visual feature map by utilizing the IMU data and camera data; preprocessing GPS data, and converting a geodetic coordinates into a spatial rectangular coordinates; performing global optimization fusion by utilizing a continuous time SLAM(Simultaneous Localization and Mapping) algorithm; and generating the multi-feature fusion map. According to the manufacturing method of the multi-feature fusion map, various sensor data of a laser radar, an IMU, a camera and a GPS, etc., are integrated, so that the stability and the accuracy are greatly improved; the data are processed by fusing a visual SLAM algorithm and a laser SLAM algorithm,thereby obtaining a better composition effect than a single visual SLAM algorithm or a single laser SLAM algorithm; and the method is simple, practical and low in cost, and the map produced is accurate and rich in attributes, thereby improving the safety of the driving process of the autonomous vehicle.

An image capturing apparatus includes: an image capturing device which receives an optical image of an object subjected to light via an image capturing lens and converts the optical image into an image signal; a face detecting device which detects a plurality of human faces from the image signal; a face distance calculating device which calculates a distance between the detected human faces; a notice device which gives a notice corresponding to the calculated distance between the human faces; a timer shot device which performs a real shooting after an elapse of a first predetermined time since a shooting instruction; and a control device which gives the shooting instruction to the timer shot device when the calculated distance between the human faces is less than a predetermined value. Accordingly, even when the shooting object includes persons, a well composed shooting can be easily realized.

An approach is provided for performing back-end operations for camera control. In one example, a method includes the following: receiving a user edit via a user interface device that displays an interpretation of a scene at which a camera lens of the camera is pointing, wherein the user edit is based on user input that is associated with a selection region on the user interface device; generating an edits mask based on one or more matching image patches, which are based on the user edit and a high dynamic range (HDR) image generated by the camera; performing one or more tone mapping operations based on the edits mask and the HDR image in order to generate a tone mapped HDR image; and performing one or more metering operations based on the edits mask and the tone mapped HDR image in order to generate metering parameters for frame capturing operations.

Embodiments of the invention disclose a photographing method, a terminal and a computer readable storage medium. The photographing method comprises the steps of acquiring a preview image collected bya camera, and determining a target photographing type to which the preview image belongs; displaying composition reference images matching the target photographing type on a photographing interface; determining a target composition reference image selected by a user from the composition reference images; and displaying target composition information corresponding to the target composition reference image on the photographing interface, so as to enable the user to take pictures according to the target composition information. The taken image has better composition and is more attractive.

The invention discloses a liquid fermentation culture method of Paecilomyces lilacinus, comprising: preparing Paecilomyces lilacinus spore suspension; preparing a liquid fermentation medium of Paecilomyces lilacinus; inoculating lavender in the liquid fermentation medium Paecilomyces spore suspension, fermentation culture; the composition of the liquid fermentation medium includes a carbon source and a nitrogen source; the carbon source is selected from any one of glucose, sucrose, maltose, soluble starch or corn flour or Various; the nitrogen source is selected from any one or more of sodium nitrate, ammonium sulfate, peptone or soybean flour. The present invention screens and compares the various process parameters of the fermentation culture of Paecilomyces lilacinus, including the composition and dosage of the culture medium, the initial pH value of the culture medium, the inoculum size of the spore suspension, the temperature and the rotating speed of the fermentation culture, etc. By optimizing, the most suitable process parameters for sporulation were obtained. The fermentation culture method of the invention has high spore yield and relatively low production cost, and is suitable for large-scale production of Paecilomyces lilacinus fungicide.

The embodiment of the invention provides a shooting method, electronic equipment and a storage medium, and relates to the technical field of communication. The method is applied to the electronic equipment comprising a rotatable first camera, and comprises the following steps: controlling the first camera to rotate within a preset shooting angle range, and obtaining M images in the rotating process; determining a target shooting angle range based on the M images; collecting N images in the target shooting angle range, and splicing the N images into a panoramic image; wherein M and N are integers greater than 1. According to the embodiment of the invention, the electronic equipment firstly rotates to shoot a plurality of images, automatically gives the shooting angle range suitable for figure background composition of the scene according to the image characteristics of the plurality of images, can carry out panoramic shooting according to the shooting angle range, and can automaticallyobtain the panoramic image with a better composition effect without manual adjustment of a user.

To provide a power storage system wherein the activation, operation and stoppage, which are important and essential during the practice of the power storage system, can be performed with reliability and wherein any kinds of extraordinary states can be appropriately dealt with. A power storage system wherein a DC / DC converter part adjusts a DC power from a DC power supply to a predetermined voltage and a predetermined current, which are stored in a power storage part. The power storage system comprises, on the DC power supply source side of the DC / DC converter part (the primary side), a primary side current detecting part, a primary side voltage detecting part, a primary side switch part and a primary side filter part and also comprises, on the power storage part side of the DC / DC converter part (the secondary side), a secondary side filter part, a secondary side switch part, a secondary side voltage detecting part and a secondary side current detecting part. A system control part, which receives an externally given operation command and also receives signals from parts such as the primary side current detecting part and primary side voltage detecting part, performs on / off controls of at least the primary side switch part, DC / DC converter part and secondary side switch part.

A direct refining method for preparing high-purity (6N) antimony includes such steps as proportionally adding raw antimony, slag-forming agent, covering agent, reducer, regulator and arsenical agent into MF induction furnace, smelting, vacuum volatilizing refining, vacuum distilling and monocrystal extracting.

The embodiment of the invention provides a preview image generation method and a terminal. The method comprises the following steps: acquiring a first location of a target object in a first image collected by a first camera; acquiring a second location corresponding to a target composition mode; determining a target image region based on the first location and the second location; acquiring a first sub-image located at the target image region in the first image and a second sub-image located at the target image region in a second image collected by a second camera; performing image fusion processing on the first image and the second image to generate a third image, and taking the third image as a target preview image to output and display. Through the method provided by the embodiment of the invention, the intelligent composition is performed in the photographing, the images collected by two cameras in different visual angles are fused to synthesize as a frame of preview image locatedat the location of the target object, and the image whole composition is more harmonic and natural; therefore, if the user photographs based on the preview image, the photo with good composition effect can be photographed.

The invention discloses high-hardness and impact-resistant acrylic resin and a preparation method thereof. The high-hardness and impact-resistant acrylic resin is prepared from the following raw materials in percentage by weight: 30 to 35 percent of methyl methacrylate, 7.4 to 10 percent of hydroxybutyl acrylate, 2.5 to 5 percent of butyl acrylate, 1 to 2 percent of acrylic acid, 2 to 3 percent of initiator and 30 to 50 percent of organic solvent. According to the preparation method, the raw material composition and an optimal synthetic process are selected through abundant experiments; a prepared and obtained acrylic resin coating has excellent adhesive force, is good in luster, and further has excellent hardness and impact-resistant performance; a quite good technical effect is obtained.

The invention is applicable to the field of image processing, and provides face recognition method and device. The method comprises the steps: generating a plurality of test subimages from a test image by circularly symmetrical gabor transformation; blocking each test subimage to obtain a corresponding test subimage matrix, and respectively projecting each test subimage to a corresponding sample feature face space to obtain a corresponding test face feature space; respectively calculating Euclid distances of the test face feature spaces and those of the sample face feature spaces to recognize the similarity of a sample image and the test image. The circularly symmetrical gabor transformation has rotation without deformation, thus avoiding the direction discretion problem caused by adopting traditional gabor wavelet transformation, and obviously reducing redundancy. In addition, the high-dimensional test image is projected to the low-dimensional sample feature face space for recognition, thus greatly reducing the calculation complexity and improving the recognition property.

The invention relates to a conveyance device which comprises a driving motor (12) of a lifting driving device (9) for lifting an object-to-be-conveyed support platform (2) carrying a conveyance traveling member (1) traveling on a traveling path. A control device (16) which performs control according to a detection signal of a pulse coder coupled to the motor (12) is arranged on the traveling path side other than on the conveyance traveling member (1), and a power and signal transmitting device (18) for transmitting power supply from the control device (16) to the driving motor (12) and the detection signal from the pulse coder to the control device (15) under the traveling state of the conveyance-used traveling member (1) is arranged at a set position on the traveling path.

The invention discloses an image processing method and device, and the method comprises the steps: carrying out the saliency detection of an original image, and obtaining a saliency map; determining atarget main body based on the saliency map; determining a composition area in the original image according to the target main body and a preset rule; and determining the composition area as a targetimage. The method comprises the steps of detecting a region of visual interest in an original image based on a saliency detection method to obtain a saliency map corresponding to the original image, determining a target body based on the saliency map to effectively eliminate interference of a disordered background, and searching for an optimal composition region according to the determined targetbody and a preset rule to obtain an optimal composition region. Therefore, a target image with better composition is obtained.

The invention relates to an electrolytic etching agent for a chromium-zirconium-copper alloy and an electrolytic etching method. The electrolytic etching agent comprises, by weight, 18-38% of an electrolytic salt, 3-15% of a complexing agent, 1-5% of a regulator, 1-3 % of an activator, 0-1% of a surfactant and the balance water. The electrolytic etching agent for a chromium-zirconium-copper alloy realizes uniform electrolysis of a chromium-zirconium-copper alloy plate under energization so that the chromium-zirconium-copper alloy crystallizer surface with crystal lines and without an oxide film is obtained and thus a bonding capacity of the etched galvanoplastic nickel-cobalt coating and a chromium-zirconium-copper alloy matrix is better, the coating and the matrix are firmly bonded and a crystallizer service life is prolonged.

The invention discloses a sesame cake. A crust of the sesame cake is prepared from wheat meal, powdered sugar, maltose, vegetable oil, edible salt, baking powder and sodium bicarbonate by means of stirring for standby use; a puff pastry is prepared from wheat meal, vegetable oil and water by means of stirring for standby use; stuffing is prepared from black sesame powder, white granulated sugar, cooked peanut kernel, brown sugar, edible salt, Chinese prickly ash seed powder (rock candy), vegetable oil and prepared powder by means of stirring for standby use. The sesame cake is obtained through crusting, encrusting, sesame application and baking. The sesame cake has the advantages that the sesame cake is complete in cake shape without decrustation, sesame shedding and cracking, the cake crust which is the well-arranged puff pastry just melts in the mouth, and the stuffing is unique in formula, strong in sesame flavor, delicate in taste, lingering in aftertaste and agreeable in sweetness.

The invention belongs to the field of flame retardants and discloses a method for preparing a nano composite intumescent flame retardant. The method comprises the following steps: (1) dissolving melamine salt of pentaerythritol phosphate, magnesium chloride and aluminum sulfate in an ethanol aqueous solution, and ultrasonically oscillating at the temperature of 50-70 DEG C until the reactants are completely dissolved to obtain a solution A; and (2) dissolving sodium hydroxide and potassium carbonate in deionized water to obtain a solution used as a precipitant B, slowly adding dropwise the precipitant B into the solution A so that white precipitates gradually emerge, after dropwise adding, reacting at the temperature of 50-70 DEG C under the ultrasonic and heat-insulation conditions for 1-2 hours, crystallizing at the temperature of 40-90 DEG C under the heat-insulation condition for 30-90 minutes, cooling, carrying out suction filtration, retaining the solid phase, washing and drying to obtain the nano composite intumescent flame retardant. In the invention, by compounding in-situ generated nano-scale magnesium-aluminum hydrotalcite with the intumescent flame retardant, a novel nano composite intumescent flame retardant is obtained, and the intumescent flame retardant with higher flame retardancy can be prepared, thus the use amount is reduced, and the mechanical performance of the flame-retardant material is improved.

The invention relates to the technical field of succulent plant planting, in particular to a tissue culture and rapid propagation method of succulent plants. The extraction method comprises the following steps: S1, explant selection and disinfection; S2, primary induction culture; S3, multiplication culture; S4, induced rooting culture; and S5, seedling hardening and transplanting. Meanwhile, theinvention further discloses components and proportions of a primary induction culture medium, a multiplication culture medium and a rooting culture medium. The succulent plant seedlings obtained through the tissue culture and rapid propagation method are short in production period, high in multiplication frequency and neat, the propagation coefficient and propagation speed of the succulent plantsare increased, the germination rate and rooting rate of the succulent plants are about three times that of a conventional culture medium, the strain advantages of the succulent plants can be well kept, a large number of tissue culture seedlings suitable for transplanting can be rapidly propagated, the grown seedling plants are consistent in shape, the method is easy to operate, and industrial production is facilitated.

A tissue cultured seedling micrografting method for acer palmatum 'orange dream' is disclosed. The method includes (1) a step of culturing a sterile stock, namely a step of cutting an acer elegantulum branch segment with sprouts, performing tissue culture to obtain an acer elegantulum sterile seedling, and cutting the acer elegantulum sterile seedling in an inclined matter to obtain the sterile stock, (2) a step of culturing a sterile scion, namely a step of cutting an acer palmatum 'orange dream' branch segment with sprouts, performing tissue culture to obtain an acer palmatum 'orange dream' sterile seedling, and cutting the acer palmatum 'orange dream' sterile seedling in an inclined matter to obtain the sterile scion, (3) a step of tissue cultured seedling micrografting, namely a step of aligning the oblique section of the sterile stock and the oblique section of the sterile scion, fixing to obtain a micrografted seedling, inoculating the micrografted seedling to a medium and culturing, and (4) a step of seedling hardening and transplanting, namely a step of transferring the micrografted seedling obtained in the step (3) into a greenhouse, performing earlier-period seedling hardening, transferring into a seed bed, performing seedling hardening, performing mist spray treatment, sterilizing, and transplanting after the seedling hardening is completed. The method increases the grafting efficiency, increases the reproductive output, is high in survival rate and can be used for large-scale cultivation of small-size acer palmatum 'orange dream' seedlings.

The invention provides a switching device using an actuator capable of accelerating a response speed at the time of switching operation with a working member with a small movement volume, with a simple structure and easy to manufacture. An actuator (4) of a switch device (1) is formed with a protrusion (4d) which is a pressing portion which an external action member (6) can operate by pressing, such that moving the action member (6) in one direction parallel to one side wall (2a) of a casing (2) in a state with a supporting portion (4b) being rotatably supported by a turning supporting portion (2c) of the casing (2) causes the protrusion (4d) to be pressed in the direction toward the one side wall (2a) such that the actuator (4) can turn on the supporting portion (4b) as a point of support, wherein the amount of turning of the protrusion (4d) at the time of turning the actuator (4) downwards by moving the action member (6) in the one direction parallel to the one side wall (2a) is greater than the amount of movement of the action member in the one direction.

The invention relates to the technical field of bridge cable clamp structure detection, in particular to an intelligent screw based on optical fiber sensing and application of the intelligent screw. The intelligent screw based on optical fiber sensing comprises a screw main body, wherein a mounting through hole is formed in the middle of the screw main body in a penetrating manner in the axial direction; an optical fiber is arranged in the mounting through hole, and a first fiber bragg grating and a second fiber bragg grating are etched on portions, located in the mounting through hole, of theoptical fiber at intervals. The application of the intelligent screw based on optical fiber sensing comprises the steps that any one intelligent screw based on optical fiber sensing is applied to a cable clamp structure of a bridge structure, and the stress and temperature changes of the screw body are monitored through the optical fiber engraved with the first optical fiber grating and the second optical fiber grating. According to the invention, the real-time long-term online detection of a bridge sling structure can be well realized.

An optical fiber having a composition that is most suitable from the viewpoint of filter formation time and filter properties of slanted fiber grating (SFG) is provided. An optical fiber made of silica-based glass comprises a core region, which does not contain GeO2 and includes the optical axis, and a cladding region formed around the core region. The cladding region has a refractive index smaller than that of the core region and contains GeO2 of 6.8 wt % or more. SFG made with the optical fiber enables base loss of 2 dB or less, peak wavelength shift of 1.2 nm or less, and change of 0.2 nm or less in width at half maximum.

The invention discloses a tissue culture method for Japanese maple. The tissue culture method for Japanese maple comprises the following steps: pretreatment: taking an annual shoot of the Japanese maple, shearing off a stem with a bud and a stem tip, and after removing redundant leaves, carrying out sterilizing and cleaning treatment to obtain a sterilized explant; initiation culture: inoculatingthe sterilized explant on an initiation culture medium and carrying out initiation culture to obtain stretched-out axillary buds; propagation culture: inoculating the axillary buds on a propagation culture medium and carrying out propagation culture to obtain cluster buds; and rooting culture: cutting off tissue culture from the bases of the cluster buds, then inoculating the cluster buds on a rooting culture medium, and carrying out rooting culture to obtain test-tube plantlets. The tissue culture and rapid propagation method is short in culture time, a culture process is simple and convenient, the breeding efficiency of a Japanese maple cultivated variety which is Acer palmatum 'sango kakuedisburry' (sango kaku edisburry) is improved, the survival rate of the induced axillary buds is 96%or above, the growth coefficient is 7-9, and the rooting rate is 92% or above. Requirements of large-scale industrialized seedling culture and industrialized development can be met.

The invention discloses a photographing method and a terminal device. The method comprises the following steps: determining one or more photographing subject objects contained in a photographing area;determining an edge profile of the one or more photographing subject objects; determining an optimal placement position of the one or more photographing subject objects in the photographing area based on an edge profile of the one or more photographing subject objects; detecting whether the one or more photographing subject objects are in respective optimal placement positions; if the one or morephotographing subject objects are in respective optimum placement positions, it is confirmed that images in the photographing area are photographed. The invention identifies the shooting subject object and the image edge contour in the shooting scene, thereby giving the best composition suggestion based on the photography composition theory, guiding the user to realize the best composition, thereby improving the shooting quality and the user experience.

The present invention provides a photographing method and device of an AR device and the AR device which relate to the augmented reality field and are used for solving the problem that the AR glassesin the prior art can not automatically collect images. The photographing method of the AR device in the embodiment of the invention comprises the following steps of acquiring a sampled image in a video stream collected by an image pickup module of the AR device in a moving state; performing the classification processing on the sampled images to obtain a classification result of the sampled images;according to the classification result of the sampled image, photographing the target image in the video stream to obtain the target image. The embodiment of the invention can realize automatic collection of the target image through the AR device in the process of user movement, and ensure the better composition effect of the automatically collected target image.

The embodiment of the invention provides a photographing prompting method and device. After the position of the camera is determined, an imitated photo of which the shooting position and the camera position are not greater than a preset distance can be obtained, a target shooting angle and a target shooting position are determined according to the imitated photo, and first prompt information is output according to the target shooting angle and the target shooting position, if so, the user can adjust the position and / or angle of the camera according to the prompt of the first prompt information; understandably, the target shooting angle and the target shooting position are determined according to the imitation photo, and the imitated photo is usually a photo with a better composition effect, so that the better composition effect which is almost consistent with the imitated photo can be achieved when the user adjusts the angle and the position of the camera to the target shooting angle and the target shooting position for shooting under the auxiliary prompt of the first prompt message.

The present invention relates to a composition comprising one or more perovskite precursors dissolved in a mixture of solvents comprising:i. one or more polar aprotic solvents, each selected in such a way that it can, when used in absence of other components, dissolve said one or more perovskite precursors,ii. one or more linear alcohols of general formula CnH2n+1OH, wherein n is from 1 to 12, andiii. optionally, one or more acidswherein the polar aprotic solvent or mixture of polar aprotic solvents represent between 50 and 95 vol % of the mixture of solvents, wherein the vol % of the mixture of solvents not occupied by polar aprotic solvents is occupied for at least 90 vol %, preferably for 100 vol %, by the one or more linear alcohols, and the one or more acids if present.

The invention relates to a method for improving the utilization rate of chicken liver powder. The method includes the steps that a chicken liver raw material is sheared into segments, the sheared chicken liver raw material is put in clean water, squeezed and rinsed to remove impurities and feces, then the chicken liver material is put into an enzymatic hydrolysis pot, water is added, heating is conducted, an animal protease and a flavor enzyme are added for enzymatic hydrolysis, the enzymes are inactivated, an organic acid is added to adjust the pH value, the obtained reactants are separated and concentrated, a flavoring agent is added to eliminate bitterness produced during enzymatic hydrolysis, an antioxidant is added to prevent fat oxidation, then steam cooking for sterilization is conducted, and finally sealed packaging is conducted. The method has a simple production process, prepared chicken liver peptides can be used as food for pet dogs and cats, and a large number of chicken liver produced by chicken slaughtering can be effectively utilized by the method to promote environmental protection.