32results about How to "Guaranteed to see clearly" patented technology

The invention discloses a vehicle violation evidence obtaining method and device, electronic equipment and a storage medium, and the method comprises the steps: carrying out the vehicle recognition ineach frame of image collected by image collection equipment, and determining the driving track of each vehicle through employing a target tracking algorithm; for each vehicle, when the number of pixel points in the license plate area of the vehicle is greater than a preset number threshold, obtaining a license plate effective image of the vehicle; and when it is determined that the vehicle violates rules and regulations according to the driving track of the vehicle, obtaining a violation effective image of the vehicle. In the embodiment of the invention, for each vehicle, when the number of the pixel points in the license plate area of the vehicle is greater than the preset number threshold, the license plate effective image of the vehicle is acquired. When the vehicle violates rules andregulations, a violation effective image of the vehicle is obtained. Since the number of the pixel points of the license plate area in the obtained license plate effective image is greater than the preset number threshold, it can be ensured that managers can see the license plate information clearly, and evidence obtaining is sufficient.

The invention discloses an anti-fog traffic signal lamp comprising a mounting substrate. The mounting substrate is equipped with an LED array used for emitting red light and an LED array used for emitting green light. The two LED arrays are circular arrays, and are spaced apart by a certain distance. Each LED array includes multiple circles of LEDs. The traffic signal lamp further comprises a controller and a signal receiving device. The signal receiving device is used for receiving meteorological information. When the meteorological information received indicates that it is foggy, the controller makes all the LEDs in each LED array started. When the meteorological information received indicates that it is not foggy, the controller makes the LEDs in the odd-numbered or even-numbered circles started. The signal lamp can clearly instruct drivers even in foggy days.

The invention discloses a safety guard railing for roads and bridges. The safety guard railing comprises a fixed seat, a fixed plate and a bolt hole. The safety guard railing has the beneficial effects that through the arrangement of a light barrier, a first rotating rod, a second rotating rod and a reflective coating, the device can effectively block the light from vehicles in the opposite direction, it is ensured that the driver can see the road information clearly, and the occurrence of traffic accidents is avoided; through the arrangement of a first lower transverse plate and a second lower transverse plate, a lower rotating shaft, a first upper transverse plate, a second upper transverse plate, an upper rotating shaft, a first fixed pin, a second fixed pin, a vertical plate, a first strong spring and a second strong spring, the car impact is flexibly buffered by the device, severe deformation of car is avoided, and the damage to the personnel in the vehicle is reduced, through thearrangement of a gravity sensor, a controller, a solar panel, a signal transmitter and a warning light, the warning light can be lighted up and give warning and the information of the fallen guard railing is sent to remote monitoring personnel for timely maintenance when the guard railing falls down, thereby reducing the road potential safety hazard.

The embodiment of the invention provides a user grouping method and device. The user grouping method comprises following steps of determining current user groups corresponding to interaction sessions in response to requests of users for requesting to join the interaction sessions; adding the users to the user groups of which user quantity is less than the preset first threshold value when there are the user groups of which user quantity is less than a preset first threshold value in the current user groups; and splitting the current user groups and adding the users to the split user groups of which user quantity is less than the preset first threshold value when there is no user group of which user quantity is less than the preset first threshold value in the current user groups. According to the method and the device, the users in an interaction application can be grouped more equally, and the users in the groups are enabled to see specific contents of the interaction information clearly to a certain extent.

The embodiment of the invention discloses a browsing processing method and device for a three-dimensional model, and the method comprises the steps: building a virtual mask according to a target sub-model in the three-dimensional model, so that the target sub-model is in the virtual mask; in the process of browsing the three-dimensional model, obtaining the current camera observation point position according to the current display interface of the three-dimensional model; and if it is judged that the position of the camera observation point reaches the position where the virtual mask is located, preventing the position of the camera observation point from moving into the virtual mask. By constructing the virtual mask of the target sub-model, the camera observation point position is controlled not to reach the virtual mask, it can be guaranteed that the camera observation point position does not penetrate through the model, it can also be guaranteed that a user can clearly see model details, and the optimal display effect of the model is achieved.

The invention relates to the multimedia teaching field and discloses a multimedia teaching demonstration method and a system. The method comprises the following steps: determining the current teachingenvironment parameters in a classroom under the condition of teaching demonstration by a display device; determining a current demo parameter of the display device, the current demo parameter being used to indicate a current display state of the display device; judging whether the current demonstration parameter matches the current teaching environment parameter based on the corresponding relationship between the teaching environment parameter and the demonstration parameter; when the current demonstration parameter does not match the current teaching environment parameter, the demonstrationparameter corresponding to the current teaching environment parameter being determined according to the corresponding relationship, and the display device being controlled to perform teaching demonstration with the demonstration parameter corresponding to the current teaching environment parameter. By using the method of the embodiment of the application, the intelligence of the multimedia teaching demonstration can be improved, the teaching efficiency of the teacher can be improved, and the classroom efficiency of the students can be improved.

The embodiment of the invention provides a control method, a device, equipment and a backlight module. The control method comprises the steps of acquiring a touch instruction sent by a user to the display equipment, wherein the touch instruction comprises a touch point of the user to the display equipment; determining a local area where the touch point is located in the display device; and lowering the brightness of the local area where the touch point is located. According to the method, when the user sending the touch instruction watches the display equipment, the sight line is concentratedin the local area where the touch point is located through the touch instruction, and then the brightness of the local area where the touch point is located is lowered, so that the user close to the display equipment cannot feel dazzling due to too high brightness; and a user far away from the display equipment can see the display content on the display equipment clearly, so that the visual experience of the user is improved.

The invention discloses an image processing method applied to electronic devices. According to the method, after prompt information to be displayed is generated, firstly, a region to be displayed of the prompt information on a displaying unit is determined, then current color parameters of pixels in the region to be displayed are determined, current color parameters of the region to be displayed are determined based on the current color parameters of the pixels, then, color parameters of the prompt information are determined based on the current color parameters of the region to be displayed, the difference value between the color parameters of the prompt information and at least one of the color parameters of the region to be displayed is made to be larger than the threshold value, and then the displaying unit is controlled to display the prompt information on the region to be displayed according to the determined color parameters. Based on the image processing method, a larger color difference is made to exist between the prompt information and the region to be displayed, and it is guaranteed that a user can see the prompt information clearly. The invention further discloses a corresponding image processing device and an electronic device.

The invention discloses an image processing method and device, equipment and a storage medium, and belongs to the technical field of image processing. The method comprises the following steps: acquiring a brightness value of ambient light entering the image sensor, wherein the ambient light comprises illuminating light which enters the image sensor and is emitted by the illuminating lamp and otherlight which enters the image sensor and is emitted by other light sources except the illuminating lamp; determining the brightness value of the illumination light according to the brightness value ofthe ambient light and the proportion of the illumination light in the ambient light; determining a distance coefficient of a foreground object according to the brightness value of the illuminating light, wherein the distance coefficient is used for indicating the distance between the foreground object and the illuminating lamp; and increasing the brightness value of a dark image region of a videoframe in a video shot by the camera according to the distance coefficient, wherein the brightness value of the dark image region is smaller than a target brightness threshold. According to the technical scheme provided by the embodiment of the invention, the problem of poor shooting effect of the camera can be solved.

The invention relates to the technical field of multimedia teaching equipment, and discloses multimedia teaching equipment for business administration teaching. The multimedia teaching equipment for business administration teaching comprises a storage box, a moving mechanism and a curtain telescopic mechanism, the moving mechanism is located on the front side of the storage box, and the curtain telescopic mechanism is located in an inner cavity of the storage box; the front side of the storage box is provided with a first display screen and a second display screen, the first display screen and the second display screen are arranged in a bilateral symmetry mode, and the top of the first display screen and the top of the second display screen are provided with a second monitor and a first monitor respectively. According to the equipment, in the projection reaching process, important data can be emphatically played through the first display screen and the second display screen, so that students can remember the important data, the mastering of emphasized knowledge in business administration teaching is improved, the overall teaching quality is improved, and the teaching efficiency is also improved to a certain extent.

The invention relates to the technical field of mobile phone accessories, and discloses a wireless charging mobile phone selfie support which comprises a turntable, a base, a mobile phone clamping seat, an L-shaped support, a wireless charger, a locking nut and a controller, and is characterized in that the turntable is arranged at the top of the base and is driven by a driving unit to rotate around a Z axis, and the lower end of the L-shaped support is arranged on the turntable and can swing around a Y axis; the mobile phone clamping seat is arranged at the upper end of the L-shaped support and can rotate around the X-axis, the wireless charger is arranged on the mobile phone clamping seat and rotates relative to the mobile phone clamping seat, the wireless charger is fixedly connected with the front end of an X-axis, and the rear end of the X axis sequentially penetrates through the mobile phone clamping seat and the L-shaped support and is in threaded connection with the locking nut. The controller is electrically connected with the wireless charger and the driving unit. The mobile phone selfie support has the advantages that a mobile phone can be flexibly rotated or swung according to use requirements so as to adapt to different visual angles, the selfie support is convenient to control, and the mobile phone can be charged while the mobile phone is clamped.

The invention discloses a method for dynamically adjusting a control and a display device, and the method comprises the steps: receiving environment image data corresponding to an initial position and environment image data corresponding to an end position collected by a camera through a controller in a process that a user moves from the initial position to the end position, so as to obtain a user initial position parameter and a user end position parameter; calculating the offset of the target control according to the user initial position parameter and the user end position parameter; and on the basis of the initial position parameter of the target control and the offset of the target control, obtaining a termination position parameter of the target control, and moving the target control to a position corresponding to the termination position parameter. Visibly, according to the method and the display equipment provided by the invention, the target control can be adjusted in position along with the movement of the user, so that the viewing angle of the target control watched by the user in any direction within the visual range of the camera of the display equipment is not changed, the user can see the display content of the control clearly, and the subjective visual experience of users is improved.

A lighting device for excimer laser therapeutic apparatus features that the ultrahigh-brightness LEDs are arranged on a circle and the included angle between light beam of LED and vertical line is greater than 30 deg. It has the merits of both ring lighting and oblique lighting to judge if the eye axis is vertical and see pupil clearly.

Cracked peacock blue glaze daily porcelain comprises a green body, peacock blue glaze and transparent protective glaze, the green body is prepared from the following specific chemical components in percentage by weight: 61.55 to 66.79% of SiO2, 14.9 to 18.2% of Al2O3, 4.1 to 4.9% of MgO, 6.1 to 7.5% of CaO, 2.48 to 3.06% of Na2O, 0.42 to 0.59% of ZrO2, 0.07 to 0.09% of Y2O3, 0.16 to 0.19% of Fe2O3, 1.48 to 1.76% of ZnO and 2.51 to 3.15% of I.L; AND the chemical components of the peacock blue glaze are strictly controlled, cobalt oxide, manganese oxide and ferric oxide are introduced to be compounded with copper oxide to serve as a coloring agent, and through 1230-1280 high-temperature firing, the glaze surface of the fired porcelain body is peacock blue which is green in blue, and the blue and the green are blended and camouflaged with each other.

The invention relates to the technical field of teaching, especially to a cloud based portable teaching device. The teaching device comprises a central processing module, and a storage module, a powersupply module, a wireless communication module, an audio and video output module and an audio and video input module connected to the central processing module; the device further comprises an e-inkscreen, a writing pen, a colored electronic screen and an expansion interface; both the e-ink screen and the colored electronic screen transmit instructions and data with the central processing module; the writing pen cooperates with the e-ink screen in an inductive way; and the expansion interface is connected with the central processing module. Thus, the provided cloud based portable teaching device can replace a present teaching aid material and record, store and transmit mutually teaching data, and near and remote teaching can be realized at any time and place instead of present multimediateaching.

The invention provides a foldable inside rearview mirror which comprises driving devices, a main display screen and at least one auxiliary display screen, and each driving device is movably connected with the main display screen and the corresponding auxiliary display screen and drives the corresponding auxiliary display screen to be switched between a folded state and an unfolded state. All the auxiliary display screens in the folded state are arranged on the back face of the main display screen, and the back faces of the auxiliary display screens right face the back face of the main display screen. All the auxiliary display screens in the unfolded state are arranged on the outer side of the main display screen, and the front face of the main display screen and the front faces of the auxiliary display screens are in the same direction and are located on the same plane so that the point can be switched between the folded state and the unfolded state through the driving device. The auxiliary display screen in the unfolded state can increase the length of the foldable inside rearview mirror in the first direction x, and therefore it can be guaranteed that a driver can clearly see a rear vehicle when the foldable inside rearview mirror is used; in addition, the auxiliary display screen in the folded state can reduce the in-vehicle space occupied by the in-vehicle rearview mirror, and the comfort level of passengers is increased.

The invention discloses a drawing display device for financial teaching, and mainly relates to the technical field of display devices. The drawing display device comprises a drawing storage assembly and a drawing display assembly, the drawing display assembly is rotatably arranged on the lower side of the drawing storage assembly through a rotary connecting assembly, the drawing storage assembly is inversely arranged on a ceiling in front of a platform of a classroom, and is used for storing the drawing that is wound into a roll with a reel at the lower end, and the drawing display assembly is used for hanging the drawing and rotatably displaying the unfolded drawing to students. It is guaranteed that drawings can be stored in a centralized mode, a teacher does not need to carry the drawings back and forth in class, multi-angle rotation and stopping at any position of the drawings can be achieved, it is guaranteed that multiple students sitting in a classroom can clearly see the displayed drawings, the overall structure is simple, and time and labor are saved.