199results about How to "Solve lighting problems" patented technology

The invention discloses a method for correcting color between images. The method comprises the steps of inputting two images including a first image and a second image having a common public area; determining the linear relationship on a color channel between the first image and the second image by respectively acquiring the color average value of the color channel in the common area of the first image and the second image; and correcting the color value of pixels on the full image of the first image or the second image according to the linear relationship. The invention also discloses a device for correcting color between images. The method and the device provided by the invention can solve the consistency problem of illumination and color tone in panoramic image generation, image registration and image fusion, and can be specifically used in picture processing software of PC (personal computer) terminal, mobile phone and tablet PC, with the advantages of stable correction effect and wide application.

Disclosed are an infrared filter for face recognition and a manufacturing method thereof, which belong to the biometrics identification field. The infrared filter manufactured by adopting the method of coating infrared-transmitting glass which has the important characteristics of narrow band and high cut-off height. The specific manufacturing method includes forming a narrow-band peak by coating a filter membrane on the infrared-transmitting glass, realizing central wave length Gamma0, peak transmittance T0 and half bandwidth B, realizing visible light cut-off S through the thickness and the material of the infrared-transmitting glass, coating a band-pass cut-off filter membrane on the float glass to realize the infrared cut-off depth S, and gluing a colored glass coated with a narrow-band filter membrane and the float glass coated with the band-pass cut-off filter membrane by the photoresist. The narrow-band high cut-off depth infrared-transmitting filter manufactured by the method can be engaged with an infrared emitting diode group to form an invisible constant light source, thereby resolving the light problem besetting the face recognition performance for a long time.

The invention discloses an ocean wind energy and tidal current energy united power supply floating lighting device which comprises a lighting mechanism, a wind power generation mechanism and a tidal current energy power generation mechanism. The ocean wind energy and tidal current energy united power supply floating lighting device is characterized in that the wind power generation mechanism is connected to a floating platform with three layers of cabins through a generator in the wind power generation mechanism, and the bottom of the floating platform is connected with a generator in the tidal current energy power generation mechanism through a supporting body with a telescopic heaving plate. According to the ocean wind energy and tidal current energy united power supply floating lighting device, against the technical problem of how to provide lighting and saving manpower during building of a lighthouse in deep water in the prior art, wind energy and tidal current energy are effectively utilized to generate electricity, and electricity for lighting is supplied.

The invention relates to a high-luminous-intensity light source microscope as well as an image identification and analysis device and an application. The microscope comprises an internally-installed high-luminous-intensity LED (Light Emitting Diode) light collection light source device; the internally-installed high-luminous-intensity LED light collection light source device comprises a power supply, a brightness adjuster, an internally-installed high-luminous-intensity LED light source, a light collection cover and a lamp holder; and the luminous intensity of the LED light source is controlled by the brightness adjuster to provide needed light intensity for identification and analysis of a test sample. The image identification and analysis device of the high-luminous-intensity light source microscope comprises the high-luminous-intensity light source microscope, a camera and an image analysis system. When the device is applied to fiber identification and component analysis tests, the image of a fiber structure form is clear, the measurement precision is high, a good fiber identification and component effect is obtained and a conventional optical projector method can be replaced.

The invention belongs to the technical field of intelligent human face image identification, and in particular relates to a near infrared human face image identification method based on a wavelet theory and a sparse representation theory. The method comprises the following steps of: performing wavelet transform on a near infrared human face image to obtain four approximate, horizontal, vertical and diagonal sub-bands; constructing a sparse representation dictionary by using the sub-bands; respectively performing sparse representation on each wavelet sub-band corresponding to the human face sample image to be identified according to the dictionary, and solving; performing class correlation processing on a sparse coefficient obtained by the sparse representation, and comparing with the original signal to obtain residual sum; and obtaining an identification result by taking the residual sum as a sorting basis. The method can obviously improve human face identification accuracy and achieves ideal identification effect by combining the wavelet theory with the sparse representation theory.

The invention discloses a multifunctional electrical control cabinet. An illumination device is supplied with power by a solar cell panel; solar energy is sufficiently utilized; energy is saved; a voice control sensor and an optical sensor are adopted to simultaneously control turn-on and turn-off of the illumination device so as to avoid unnecessary illumination of the illumination device; a temperature sensor and a humidity sensor are also arranged in the control cabinet and carry out real-time monitoring on a temperature and a humidity in the control cabinet; when the temperature is excessively high, a fan is automatically started and a heat dissipation window is opened; a drying agent also can be utilized to dry the inside of the control cabinet, so that the environment of the control cabinet is kept excellent, damage of the bad environment to the control cabinet is avoided, and the service life of electrical equipment in the control cabinet is prolonged.

The invention provides a construction method for non-negative feature extraction and face recognition application, which comprises the following steps: characterizing loss degree by cosine measure; characterizing loss degree after matrix decomposition by cosine measure between matrices; and determining loss degree by cosine measure between matrices. A method for constructing an objective functioncomprises that step of characterizing a loss degree by a cosine measure to form an objective function; obtaining an update iteration formula: the objective function is transformed to form the optimization problem to be solved, and the updated iterative formula of the algorithm is obtained by constructing auxiliary function. The invention has the advantages that: 1. the illumination problem encountered in the face recognition process is solved; 2. the convergence of the algorithm proposed by the invention is not only proved in theory by using auxiliary function, but also verified in experiment,and our algorithm has higher convergence; 3. compared with the related algorithm in the face database with illumination influence, the result shows that the algorithm of the invention has certain superiority.

The invention relates to a plane skylight and application thereof, which can effectively solve the problem of daylighting in a building. The technical proposal for solving the problem is that: daylighting bodies are distributed into a plane body according to honeycomb shape; the cross section of the daylighting body is a right hexagon, and is formed by a daylighting right hexahedral cone, a permanent sealed right hexahedral column and a contracted right hexahedral cone which are connected into a whole; the length of the daylighting hexahedral cone is 1.642 times plus 10 percent to 1.642 times minus 10 percent of the side length of the permanent sealed right hexahedral column; the length of the contracted right hexahedral cone is more than or equal to 4.5 times of the side length of the permanent sealed hexahedral column; clearances of the daylighting body is filled with a binding insulation material except the daylighting right hexahedral cone. The plane skylight and the application can be effectively used for daylighting indoors and outdoors of the building, has the advantages of natural daylighting, energy conservation, non environmental pollution, contribution to human health, wide application field and tremendous economic and social benefit.

The invention discloses a multifunctional seedling culture bed frame easy to transport and facilitating cultivation. The multifunctional seedling culture bed frame mainly comprises a seedling culture frame body, a push-and-pull seedling culture bed, a fixed seedling culture bed, seedling culture plates, fixing supports and rotating arbor wheels. The multifunctional seedling culture bed frame is mainly characterized in that the seedling culture frame body capable of being overlaid and individually moved is designed, and thus, the problem that nurseries are easy to crush during transport due to difficulty in overlaying is solved; the push-and-pull seedling culture bed can enable the grown seedlings to be integrally pulled out, so that the lighting problem of seedling culture at different periods is solved; the ingenious seedling culture plates are designed, and thus, during transplant of the raised seedlings, the roots are not easy to damage and an integral soil block is not easy to break by the people; the multifunctional seedling culture bed frame solves a series of problems about agricultural nursery cultivation, transport and transplant integrally and has extremely high promotional value.

The invention relates to an automatic auxiliary illuminating system for motor steering, which is characterized in that: the system comprises an automobile headlight switch, a left steering position switch and a right steering position switch which are automatically controlled by a steering rocker arm on an automobile steering system, a left steering auxiliary illuminating light and a right steering auxiliary illuminating light installed at the left and the right edges of the front part of the automobile, and a power supply; wherein, the left steering position switch is connected with the left steering auxiliary illuminating light in series, the right steering position switch is connected with the right steering auxiliary illuminating light in series, the two series circuit are connected in parallel and then connected with the automobile headlight switch in series to be connected between the power supply and a ground wire; when the automobile headlight switch is turned off, and the steering rocker arm on the automobile steering system automatically controls the left steering position switch and the right steering position switch to be turned on or turned off, the circuit of the illuminating system is conducted, and the left steering auxiliary illuminating light or the right steering auxiliary illuminating light are turned on. The system has simple structure and low cost, can automatically control the auxiliary illuminating light to be turned on or turned off during the turning process, thus guaranteeing the safe turning of the automobile.

The invention relates to a power circuit for an intelligent variable power high-frequency separately excited electromagnetic induction lamp. The power supply of the conventional high-frequency electromagnetic induction lamp adopts the self-excited vibration mode and realizes frequency matching by using an LC series resonant circuit. The resonant frequency can be influenced by parameter change of each element of the series resonant circuit so as to cause problems of difficult debugging, unstable working frequency, higher error rate in the using process and immutable power. The power circuit of the invention comprises a filter rectification circuit (1), wherein the filter rectification circuit is connected with a power factor correcting circuit (2); the power factor correcting circuit is connected with a power regulating circuit (3); and the power regulating circuit and a high-frequency signal driving circuit (4) which is controlled by a singlechip intelligent control chip (6) are connected with a power coupling matching circuit (5). The product is used on occasions with specific requirements on the power at different time intervals.

The invention relates to the technical field of lighting power supply charging in a coal mine lifting tank cage and discloses a tank cage roller type generator and a method for lighting power supply of a coal mine tank cage. A roller type generator is adopted for the lighting power supply of the coal mine tank cage; the roller type generator comprises a roller 1, a swinging rod 2, a support 3, a base 4, a buffer regulator 5, a winging coil 6 and an output power supply wire 7, wherein the roller 1 is connected with the swinging rod 2 through a working shaft; one end of the swinging rod 2 is hinged with the support 3 through a hinge pin; the other end of the swinging rod 2 is hinged with the buffer regulator 5 through a hinge pin; the buffer regulator 5 is hinged with the support 3 through a hinge pin; the support 3 is fixed on the base 4; and the base 4 is connected with tank ears 9 of a tank cage 8 through a screw bolt and a screw. With the adoption of the tank cage roller type generator and the method, the problem of lighting inside the mine well lifting tank cage is solved; and a storage battery inside the tank cage can be charged, so that the storage battery in match is constantly at the saturated state, and a stable and reliable power supply support is provided for lighting lamps inside the tank cage.

A sunlight lighting reflective mirror sun following device comprises two sunlight localization sensors, wherein one of the sensors is used for judging the sun direction on a vertical face, and the other sensor is used for judging the sun direction on a horizontal face. Due to the fact that any sunlight direction in space can be divided into two directions in the vertical face and the horizontal face, the two sunlight localization sensors can judge sunlight in any direction, a controller collects signals generated by the sunlight localization sensors and then controls and drives motors to rotate, a first motor drives a mirror frame to rotate along a horizontal shaft, a second motor drives a reflective mirror to rotate along a vertical shaft, and therefore the reflective mirror can freely rotate in a 360-degree range, and sunlight at any direction can be reflected by the reflective mirror to vertically and downwards irradiate a courtyard through automatic adjustment of the angles of the reflective mirror. The device is reasonable in design, simple in structure, energy-saving, environmental friendly, simple and convenient to operate, and capable of effectively solving the lighting problem of windows in a high-rise building courtyard.

A movable emergency lamp comprises a front shell and a rear shell which are matched with each other. The front shell is matched with a transparent cover, a light source, a power source electrically connected with the light source, and a control circuit board are arranged in a cavity where the front shell is matched with the rear shell, a light-sensitive switch circuit is arranged on the control circuit board, the light source is electrically connected with the power source through the light-sensitive switch circuit, and a light sensor electrically connected with the control circuit board is arranged outside the front shell or the rear shell. When the control circuit board detects that a main lighting circuit supplies power, the light sensor does not work; when the control circuit board detects that the main lighting circuit does not supply power, the light sensor starts to work, and when the light sensor senses light, the control circuit board disconnects the light-sensitive switch circuit, and the light source is extinguished; when the light sensor does not sense light, the control circuit board connects the light-sensitive switch circuit, and the light source lights. Whether the emergency lamp is started for lighting or not is determined by detecting whether the light exists or not through the light sensor, so that electric energy is saved.

The invention relates to electric coagulation forceps which comprise a forcep body. A power plug of a storage battery and a water pipe are mounted on a forcep base. A locating column which is integrally formed with a forcep handle is arranged at the position, close to the tip of the corresponding forcep handle, of the forcep handle on one side. A transparent semicircular body is fixed to each locating column, and the transparent semicircular bodies on the forcep handles form a disc after the two forcep handles are in butt joint. Multiple independent unit cavities are formed in each transparent semicircular body. An LED lamp is mounted in each unit cavity. Multiple water outlets communicated with one another are further formed in the transparent semicircular bodies, and the water outlets are distributed on the arc surfaces of the transparent semicircular bodies and on the lower portions of the LED lamp distribution areas. The electric coagulation forceps have the advantages that the cleaning effect and range are guaranteed, a doctor can accurately use the electric coagulation forceps with high proficiency, and the characteristics that the electric coagulation forceps are small in size, high in brightness, free of visual fatigue and environmentally friendly in an operation are completely achieved; an isolation area and a protection area are additionally arranged, and the electric coagulation forceps have the effects of sterilization and radiation resistance.

The embodiment of the invention provides a reading lamp and relates to the technical field of reading lighting. The reading lamp solves the problem that an existing lightwedge is limited in lighting and magnifying area, so a user needs to manually move the reading lamp frequently during use. The reading lamp achieves the functions of lighting and magnifying and meanwhile is convenient to carry and is more convenient to operate, and therefore the usage effect for the user is improved. The reading lamp comprises a splicable optical module and a light-emitting module, wherein the splicable optical module comprises a plurality of light guide plates; one side of each light guide plate is provided with Fresnel threads, and the other side of each light guide plate is provided with mesh points uneven in density; all the light guide plates can be mutually spliced together; the light-emitting end of the light-emitting module is connected with the upper end of the splicable optical module. The reading lamp is applied in lightwedge designing.

The invention provides an electronic device and a backlight control method and a backlight control device thereof. The method comprises the steps of monitoring whether the screen of an electronic device is turned on, acquiring the intensity value of outside light when the screen of the electronic device is turned on, and setting the brightness value of the backlight of the electronic device according to the intensity value of outside light.

The invention relates to a pair of solar illumination warm-keeping shoes, wherein power of LED (Light Emitting Diode) cold light lamps and electric heating plates embedded into the side faces and periphery of each sole are supplied by solar cell panels installed on an upper of each sports shoe, so that the problems of poor light and illumination and warming during outgoing at night are solved, and simultaneously the solar illumination warm-keeping shoes are also provided with VSB (Volts Standby) power interfaces for charging cell phones and connecting with the electric heating plates for drying the soles.

The present invention relates to a brightness enhancement film used by backlight in a liquid crystal display, especially to an extruded brightness enhancement film and a preparation method thereof. In order to solve the problem that the current coating brightness enhancement film is complex in manufacturing technology, the present invention provides an extruded brightness enhancement film and a preparation method thereof. The extruded brightness enhancement film is formed by a brightness enhancement layer, a base film layer and a particle layer in order. The brightness enhancement layer and the particle layer are respectively located at two sides of the base film layer, and the brightness enhancement layer is a three-layer co-extrusion structure. In the preparation process, the brightness enhancement layer, the base film layer and the particle layer are subjected to coextrusion and then curtain coating, a compression roller is employed to roll the brightness enhancement layer to form a brightness enhancement structure, the cooling shaping is performed, and an extruded brightness enhancement film is obtained. The extruded brightness enhancement film has high luminance appearance, and the preparation method of the extruded brightness enhancement film provided by the invention is simple and convenient in technology so as to improve the production efficiency and reduce the production cost.

The invention discloses a foreground partition method for overcoming sudden lighting change. The foreground partition method includes initializing a processed video frame grey map by a mixed Gaussianbackground modeling model; performing mixed Gaussian background modeling according to the quantity of sudden light intensity change to acquire an updated background model; extracting a foreground target according to link domain marking, feature extraction and behavior judgment results. The foreground partition method has the advantages that the quantity of the sudden light intensity change is introduced into the model to process images on the premise of a conventional mixed Gaussian background modeling method, the background model is updated in real time, the problem that target partition is sensitive to sudden change of lighting and environments is solved, the problem that a target stable for a long time is updated into a background and disappears in a conventional mixed Gaussian background model is also solved, and accuracy of foreground partition is further improved. The foreground partition method can be applied to the image processing field.

The invention relates to a multifunctional vehicle door rearview mirror and belongs to the field of vehicle operation safety. The multifunctional vehicle door rearview mirror comprises a left rearview mirror side lighting lamp, a right rearview mirror side lighting lamp, a left rearview mirror turn-assisting side lighting mixed lamp, a right rearview mirror turn-assisting side lighting mixed lamp, a left rearview mirror turn lamp, a right rearview mirror turn lamp, a left rearview mirror projection lamp, a right rearview mirror projection lamp, a left rearview mirror camera, a right rearview mirror camera and the like, wherein the left rearview mirror side lighting lamp and the right rearview mirror side lighting lamp are integrated to a left vehicle door rearview mirror and a right vehicle door rearview mirror respectively, the turn-assisting side lighting mixed lamps and the turn lamps are installed in the side front of the rearview mirror, and the side lighting lamps, the projection lamps and the cameras are installed under the rearview mirror. The multifunctional vehicle door rearview mirror is connected with a vehicle power distribution system in an appropriate mode. The multifunctional vehicle door rearview mirror is compact in structure, good in science and technology feeling, cool in visual sense and outstanding in safety effect, and the problems of safety prompts during straight driving, turning and backing up of people driving a vehicle at night and illumination and side face image acquisition of the side front, the side rear and the side lower portion can be effectively solved.

The invention discloses a flue-cured greenhouse seedling three-dimensional rotation automatic control device. The invention adopts the scheme that end brackets are mounted at the two ends of a seedling pool; the seedling pool contains seedling liquid; a central rotating shaft is connected between the end brackets; a rotating arm is hinged on the central rotating shaft; the end head is correspondingly connected with a tray shaft longitudinally; a fence tray is hinged on the tray shaft; a seedling disk is placed in the fence tray; a servo motor is connected with a speed reducer, a shaft coupler and the central rotating shaft sequentially; and a controller is connected with the servo motor. The flue-cured greenhouse seedling three-dimensional rotation automatic control device changes the traditional floating seedling method for placing the seedling disk into the seedling pool in parallel and controls the servo motor to drive the seedling disk to rotationally and alternatively change positions to meet the requirement of the seedling disk on nutrient solution in the seedling pool and solves the problem about illumination on the lower layer of seedling disk, so that each seedling disk uniformly absorbs sunlight and water, the seedling quality is improved, and the device is applicable to factory-like seedling production.

The invention relates to a novel energy-saving tunnel illumination system based on natural light. The novel energy-saving tunnel illumination system based on natural light is characterized in that a plurality of reinforced concrete arch beams and lighting gaps are arranged at intervals in the extending directions of the outer sides of tunnel inlet and outlet; a section of arbor is respectively planted at two sides of a road in the outer side direction of a light reducing illumination system of the tunnel opening; the lighting gaps are formed by connecting light transmission plates and light blocking plates, and vent holes are arranged between the light transmission plates and the light blocking plates; the light transmission plates at the lighting gaps are made of frosted glass materials. The novel energy-saving tunnel illumination system based on natural light has the advantages that the lighting gaps can be set according to engineering calculation, the natural light is sufficiently utilized, and the illumination at the inlet and outlet sections and the transition section of the tunnel can be solved; the light transmission plates are made of frosted glass materials, so that the illumination at the tunnel inlet and outlet can be soft.

The invention discloses a street lamp with a lightning rod. The lightning rod is connected with the upper part of a disk generator; fan-shaped blades are installed on the disk generator; the disk generator is installed on a disk generator rotation shaft; the disk generator rotation shaft is located on the upper part of a street lamp rod; an LED (Light Emitting Diode) street lamp and a solar cell panel are respectively installed on the right and on the left of the middle part of the street lamp rod; a timer and a wind-solar complementary controller are respectively installed on the left and on the right, of the street lamp rod; a pedestal is welded on the bottom part of the street lamp rod; an embedded body is fixedly arranged underground; a storage battery is located in a battery protection box. According to the street lamp with the lightning rod, as a wind-solar complementary structure is adopted for power supply, the power is strong; not only can the energy be saved, but also the road lighting of areas without power can be solved; the street lamp in a higher open place is often struck by the lightning, so that a lightning rod structure can solve that problem quite well to guarantee the safety of lighting equipment.