111results about How to "Improve the picture effect" patented technology

An embodiment of the invention provides a method for controlling application program windows. The method includes attaching corresponding windows of at least two running application programs in different tab pages of the same main window in a child window manner; monitoring tab switching operation of the main window; concealing a child window which is in a displayed state before the tab switching operation if the tab switching operation is monitored, and stopping window image update operation of the corresponding application program running in the child window; and displaying a switched child window and starting window image update operation of the corresponding application program running in the child window. The method has the advantages when the window switching operation is monitored, the image update operation of the corresponding application program running in the concealed window is stopped, and the image update operation of the corresponding application program running in the displayed window is started, so that purposes that user experience is unaffected and system resources can be saved are achieved. Besides, the embodiment of the invention provides a device for controlling the application program windows.

The invention relates to the technical field of display and particularly relates to a display device, an array substrate and a manufacture method of the array substrate. The array substrate comprises a substrate, a plurality of grid wires and data wires, wherein the grid wires are arranged on the substrate, and the grid wires and the data wires are arranged in an intersecting manner. The array substrate further comprises a plurality of transverse common electrode wires and a plurality of longitudinal common electrode wires, wherein the longitudinal common electrode wires are located below the data wires, and the transverse common electrode wires and the longitudinal common electrode wires are electrically connected. According to the display device, the array substrate and the manufacture method of the array substrate, provided by the invention, through arranging the longitudinal common electrode wires below the data wires, common electrodes in the longitudinal direction are extensively connected, and the overall resistance of the common electrodes is decreased, so that a pixel structure is optimized, and the frame performance of a product is maximally improved. Meanwhile, compared with the prior art, the use of a mask patterning process can be reduced, the production efficiency is increased, and the production cost is reduced.

The embodiment of the invention provides a backlight adjustment method and device of an intelligent display device. The intelligent display device has multiple screen areas. The backlight adjustment method comprises the steps that when a current frame of image is output in the multiple screen areas, a lightness average value of all the areas and lightness characteristics values are acquired; a grayscale interval to which the lightness average value of all the areas belong is determined as a target grayscale interval; in the target grayscale interval, a corresponding backlight value and a corresponding compensation value are determined according to the lightness characteristic value of the current screen area, wherein in different target grayscale intervals, the backlight values and the corresponding compensation values can be different; the backlight lightness of the current screen area is adjusted by adopting the backlight value; display of the image is adjusted by adopting the compensation value. According to the embodiment, the backlight values and the compensation values can be determined according to the proportions of bright areas to dark areas in different image contents, better picture effects without light leakage can be obtained for the dark areas, the situation can be avoided that original picture layers are lost due to saturation of the bright areas, and the permeability and detail layer of the displayed picture are improved.

The invention relates to the fields of computer graphics, system software, computer networks and the like, in particular to a multi-projection autocorrection display system based on a camera. A multi-projection autocorrection display method comprises the steps of utilizing structured light to automatically perform geometrical position correction on a projection picture, performing color correction on the projection picture to reduce influence of background textures and utilizing a color enhancement technology to improve observation experience of the projection picture. An independent geometrical correction and color correction technology is integrated together under a multi-projection environment to solve the problems of projection picture distortion caused by projection background textures and projection picture splicing failure caused by movement of a projector. The invention further discloses an independent geometric correction subsystem, a background texture color correction subsystem and a multi-projection display subsystem for achieving the multi-projection autocorrection display system. The technical scheme is universally suitable for the multi-projection autocorrection display system aiming at projector movement and projection background screen textures and platform support can be provided for a high-resolution and large display screen projection display system which enables people to have a strong immersion feeling.

The invention relates to an OpenGL (open graphics library)-based inverted image display processing device and method. The method comprises the following steps: loading and calculating parameters of an object model, acquiring texture mapping pixel data and / or default vertex colour values of the object model; carrying out vertex position spatial transformation and cutting operation on the parameters of the object model; carrying out rasterization on the parameters of the object model after the vertex position spatial transformation and cutting operation are carried out; according to the texture mapping pixel data, carrying out segment colouring treatment on the parameters of the object model after the rasterization is carried out, so as to generate an inverted image of the object model; and outputting the inverted image to display equipment for display. The device and method in the invention has the advantages that inverted image effect of the object model is realized by parameter control in an OpenGL drawing process, the simulated reality is more vivid, the storage space is saved, and the computation load of a CPU (central processing unit) and the internal memory usage are reduced; the more efficient flexibility and adaptability are provided for the CPU, the preferable frame effect and the fluency are realized, and the burden of a UI (user interface) designer is alleviated.

The invention discloses a method and a device for picture processing and relates to the technical field of picture processing. According to the method and the device, a to-be-processed picture is opened; the to-be-processed picture is analyzed to obtain picture characteristic attributes of the to-be-processed picture; corresponding picture processing data are obtained according to the picture characteristic attributes; the to-be-processed picture is processed according to the picture processing data and the processed picture is displayed. According to the technical scheme, the method and the device are suitable for picture processing, the operation can be simplified, the picture processing time can be saved, and the good picture effect can be obtained.

The embodiment of the invention provides a backlight adjustment method and device of an intelligent display device. The intelligent display device has multiple screen areas. The backlight adjustment method comprises the steps that when a current frame of image is output in the multiple screen areas, the lightness characteristic values of all the screen areas are acquired; according to a preset backlight threshold interval to which the lightness characteristic value of the current screen area belong, a corresponding backlight value is determined; according to the backlight values of all the screen areas, a variance characteristic value of the current frame of image is determined; according to the backlight values and the variance characteristic values, corresponding compensation values aredetermined; the backlight lightness of the current screen area is adjusted by adopting the backlight values, and display of a next frame of image is adjusted by adopting the compensation values. According to the embodiment, image saturation distortion can be prevented, the picture lightness can be guaranteed, the permeability and detail layer of the display picture can be improved, and the image quality can be improved more precisely according to different picture contents.

The invention provides a user interface display method and terminal. The terminal comprises a receiving module used for receiving a first trigger operation from a user, and a display module used for displaying a preset floating identifier key under the condition that the receiving module receives the first trigger operation. The problem of influence on user experience due to a fact that virtual keys occupying space of a terminal screen are easy to falsely touch is solved.

The invention relates to a projector correction method and system, a storage medium and electronic equipment, and relates to the technical field of projection, and the method comprises the steps: determining the offset information of a projector relative to a projection plane, and determining the two-dimensional imaging vertex coordinates of a projection image, projected on the projection plane, of an original image according to the offset information; correcting the scale of the original image according to the two-dimensional imaging vertex coordinates of the projection image to obtain the corrected scale of the original image; and controlling the projector to project according to the corrected scale of the original image. The beneficial effects of the present disclosure are that the keystone distortion generated by the projector in the projection process can be automatically corrected through the offset information, and the correction method can quickly and accurately determine the two-dimensional imaging vertex coordinates of the projection image, so that accurate keystone distortion correction is performed on the projector, and the accuracy of the projection process is improved. Therefore, the projection picture watching effect of the user is improved.

The invention relates to an embroidery needle for woolen embroidery. The embroidery needle comprises a needle tip, a needle body and a location sleeve pipe; the two ends of the needle body are respectively and fixedly provided with the needle tip and a handle; a slot is arranged on the outer surface of the needle body along an axial direction; a needle hole is formed in the needle body and is communicated with the slot; and the location sleeve pipe is sleeved on the needle body and tightly matched with the needle body. A woolen embroidery method comprises the following steps of: 1, using purecotton light strip cloth as a substrate; 2, copying the pattern of an embroidery draft on the substrate by a carbon paper; 3, enabling an embroidery thread to enter the needle hole from one side which is provided with the slot and to pass through the needle hole from the other side, and sleeving the location sleeve pipe on the needle body to make the embroidery thread which passes through the needle hole located outside the location sleeve pipe and the embroidery thread on the other side located in the slot and pass through the location sleeve pipe from the upper end; and 4, holding the handle, embroidering in a cloth groove from the profile edge of the embroidery draft, acupuncturing the embroidery needle into the substrate and drawing out to form a thread jacket on the other surface of the substrate, and repeating until the embroidery draft is completed. By the method, the embroidery cloth is prevented from being damaged due to outside stitching of the embroidery needle, certain regularity of embroidery is followed because embroidery is performed along the cloth groove, and the embroidery face is more uniform due to increase of color application.

The invention provides an LED display cloud media capable of realizing seamless splicing, and belongs to the technical field of LED display. The LED display cloud media comprises a plurality of display modules and a reference plate, wherein the reference plate is connected with the plurality of display modules; at least one positioning pin is arranged on the display modules; a plurality of positioning holes or a plurality of groups of positioning holes at the same intervals are formed in the reference plate; each display module comprises a frame body, a plurality of LED display units arrangedon the frame body, a adapter plate and a power supply; corresponding position limiting grooves are formed in the connecting surface of the adjacent frame bodies; a position limiting block is arrangedbetween the two corresponding position limiting grooves; a plurality of magnet blocks are arranged on one side surface of each frame body; a plurality of suction grooves matched with magnet blocks areformed in the LED display units. The dismounting, the mounting and the maintenance are convenient and efficient; the quality of the whole display screen is high.

The present invention discloses a video starting playing method which comprises a step of creating a video sample pipeline, a step of obtaining video data, analyzing the video data and extracting parameter information, a step of selecting a corresponding target pipeline from the video sample pipeline according to the parameter information, and a step of sending the video data transmitted by the target pipeline to a client to start the playing of a video. The invention also discloses a video starting device. The invention provides the video starting playing method and the video starting device, the video starting playing time based on a Gstreamer player can be shortened, the memory space of the video is reduced, the computational complexity is reduced, and thus the visual experience of a user is improved.

The invention provides a TFT (Thin Film Transistor) liquid crystal display device and a manufacturing method thereof. A common electrode line is enabled to have a vertical part and an extension part, wherein the vertical part is vertically intersected with gate lines and the extension part extends along the direction of the gate lines and is overlapped with the gate lines. Moreover, a TFT is enabled to have an I-shaped compensation channel structure in parallel with a data line. Therefore, the light transmission area of pixel areas is increased, the aperture ratio of a liquid crystal display is improved and the image display performance of the liquid crystal display is further improved.

The invention relates to the technical field of optical thin films, in particular to a warping-resistant optical thin film, a preparation method thereof and a display device using the optical thin film, and aims to overcome the defects that a film surface of the conventional diffusion film is easy to warp, and raised grains are generated. The optical thin film comprises a transparent base plate; one side of the transparent base plate is provided with an upper diffusion coating, and the other side of the transparent base plate is provided with a lower diffusion coating; the thickness of the upper diffusion coating is 1 to 50 mu m; and the absolute value of the difference between the thickness of the lower diffusion coating and the upper diffusion coating is less than or equal to 3 mu m. The provided warping-resistant optical thin film has the advantages of the conventional diffusion film; the coatings of the film are low in shrinkage percentage; the warping phenomena can be reduced obviously; the preparation method is simple and easy to operate; and the optical thin film is used as the diffusion film in the display device, a good screen effect can be achieved, and shadows can be avoided.

The embodiment of the invention discloses a screen recording method and a touch television. A signal processing device is arranged between a television mainboard and a display screen. The signal processing device receives a video signal and an audio signal from the television mainboard. The signal processing device splits the video signal into a first video signal and a second video signal. The signal processing device transmits the first signal to the display screen. The signal processing device carries out hybrid coding on the second video signal and the audio signal, thereby obtaining a coding signal. The signal processing device transmits the first coding signal to a video recording device through a recording signal output port. Before the video signal is transmitted to the display screen, the video signal is transmitted to the signal processing device; after the signal processing device receives the video signal and the audio signal, the coding signal is output to the video recording device; therefore, the recording image effect is improved; and moreover, the occupation of the processor and memory resources on the television mainboard is reduced.

The invention provides a deep space exploration multimedia service-oriented independent window unequal protective fountain coding method, and coding packages are generated according to the different important levels of information source grouping data. According to the coding scheme of the invention, the asymptotic performance is deduced based on and / or tree analysis technology, the multi-target optimization is performed by utilizing NSGA-II, and optimal parameter sets of unequal protection degree distribution parameters and coding selecting probabilities are obtained. Proved by the simulation contrast of the asymptotic performance of EWF under the same gain, and under the premise of the same decoding spending, the IW-LT scheme is much lower than the EWF scheme in error rate. The multimedia information source coding is enabled to meet the different service demands under the highly dynamic deep space communication environment, and only basis information and less assisting information are received by the limiting selection of the service transmission time delay, or the whole multimedia information is selected to be received to obtain a better picture effect.

The invention discloses a method for removing an LCD flash phenomenon, and the method comprises the following steps: a computer, a signal generator, a fire card and a color analyzer are prepared; the fire card is connected to a display by a VGA line, the computer is connected with the fire card by a print line, the signal generator is connected to the fire card by a signal line, the color analyzer is connected to the computer by a USB line, and the computer and the signal generator are connected by a serial port line; the computer is used for running an adjustment program, reading an FLIC value from the color analyzer and sending a DDCCICommand by the fire card to change a VCOM value of the LCD, thus adjusting the FILC value of the LCD; and by adopting an asymptotic manner, the change of V-COM data is realized, and the FILC value is measured by the color analyzer until the measured datum is the minimum. By compiling programs and utilizing the computer, the color analyzer, the fire card and the like, the VCOM value of the display is adjusted, thus adjusting the FILC value of the display and ensuring the picture effect to be optimum.

The invention provides a backlight adjusting method of a display device, a backlight adjusting device and the display device. The display device comprises a display panel and a backlight module, the display panel is divided into a plurality of display subareas, the backlight module comprises a plurality of backlight subareas, the display subareas correspond to the backlight subareas in a one-to-one mode, and the method comprises the following steps: according to pixel information in each display subarea, calculating an initial backlight value of the backlight subarea corresponding to each display subarea; and correcting the initial backlight value of the target backlight subarea according to a preset backlight threshold and the initial backlight value of the backlight subarea adjacent to the target backlight subarea to obtain a first backlight value of the target backlight subarea, the target backlight subarea being each backlight subarea. According to the backlight adjusting method provided by the embodiment of the invention, the halo problem existing in local dimming equipment and the local detail loss problem caused by compensation overflow can be well weakened under the condition that the overall display brightness and contrast ratio are not influenced, and the picture effect is improved.

The invention relates to the technical field of optical thin films, in particular to a warping-resistant optical thin film, a preparation method thereof and a display device using the optical thin film, and aims to overcome the defects that a film surface of the conventional diffusion film is easy to warp, and raised grains are generated. The optical thin film comprises a transparent base plate; one side of the transparent base plate is provided with an upper diffusion coating, and the other side of the transparent base plate is provided with a lower diffusion coating; the thickness of the upper diffusion coating is 1 to 50 mu m; and the absolute value of the difference between the thickness of the lower diffusion coating and the upper diffusion coating is less than or equal to 3 mu m. The provided warping-resistant optical thin film has the advantages of the conventional diffusion film; the coatings of the film are low in shrinkage percentage; the warping phenomena can be reduced obviously; the preparation method is simple and easy to operate; and the optical thin film is used as the diffusion film in the display device, a good screen effect can be achieved, and shadows can be avoided.

The invention discloses a device and method for adjusting brightness of a display screen. The method of adjusting the brightness of the display screen comprises the steps of S1, calculating a first relationship between a brightness value of an image and a brightness value of the display screen when the image is normally displayed, S2, dividing the image which is obtained by previewing into a plurality of regions, S3, calculating and obtaining a first brightness value of each region, S4, judging whether or not the image needs image processing, if the image needs image processing, carrying out the image processing, S5, calculating and obtaining a second relationship of the first brightness value and a second brightness value of a processed image, and S6, adjusting a display brightness of the display screen according to the first relationship and the second relationship. The device and method for adjusting the brightness of the display screen can adjust the brightness of the display screen in real time according to brightness information of a picture taken by a user, and finally presents the best picture effect to the user, greatly improving the user experience.

The invention discloses an augmented-reality background black display system comprising a light-blocking element for picture information provided by an augmented-reality display device and a semi-transparent element arranged between a display device and the light-blocking element. The light from the display device is reflected by the semi-transparent element, passes through an ocular lens and then enters eyes; reality light passes through an objective lens, is processes by image correction by an image inverting device, and then is focuses on the light-blocking element; and the light focuses at the light-blocking element passes through the semi-transparent element and the ocular lens successively and then enters eyes. According to the invention, the design is novel and the structure is simple. Because of the light-blocking element in a controllable electrification mode, material diversity is formed by the light-blocking element and the imaging product structure types are enriched. On the basis of cooperation of the light-blocking element and the display device, direct imaging on a front black area is carried out and then is superposed on a display device picture. The clear effect without any fuzzy image is realized and the anti-interference capability is high. A problem that the picture content can not be watched clearly because of direct picture penetration due to too bright augmented light can be solved.

The invention discloses a cell DNA damage detection method, and relates to the cell damage detection. The cell DNA damage detection method comprises the following steps: preheating a to-be-detected cell sample with low-gelling temperature agarose prepared from calcium and magnesium-free PBS (Phosphate Buffer Solution) to obtain a mixed liquid, paving the mixed liquid in a plate cover sample hole of a 24-hole cell culturing plate, spreading agarose evenly, cooling, curing, and then immersing the plate cover into cell lysis buffer, and pyrolyzing; washing an agarose plate after pyrolysis by an alkaline unwinding liquid, and then immersing the agarose plate into a container filled with a precooling alkaline unwinding liquid; placing the agarose plate after alkaline unwinding into an electrophoresis tank filled with a precooling electrophoresis liquid for electrophoresis; immersing the agarose plate after the electrophoresis into milli-Q water; standing and immersing the agarose plate by precooling absolute ethyl alcohol, and refrigerating and storing the taken agarose plate; adding a drop of MillI-Q water dropwise in each hole of the agarose plate after dehydration and drying, standing, wetting the agarose plate, adding 10-15micron L of ethidium bromide dropwise in each hole, keeping away from light, dyeing, sucking residual dye liquid dry on the surface of the agarose plate by filtration paper, and collecting images with excitation wavelength being 515nm.

The invention relates to the technical field of display and particularly relates to a display device, an array substrate and a manufacture method of the array substrate. The array substrate comprises a substrate, a plurality of grid wires and data wires, wherein the grid wires are arranged on the substrate, and the grid wires and the data wires are arranged in an intersecting manner. The array substrate further comprises a plurality of transverse common electrode wires and a plurality of longitudinal common electrode wires, wherein the longitudinal common electrode wires are located below the data wires, and the transverse common electrode wires and the longitudinal common electrode wires are electrically connected. According to the display device, the array substrate and the manufacture method of the array substrate, provided by the invention, through arranging the longitudinal common electrode wires below the data wires, common electrodes in the longitudinal direction are extensively connected, and the overall resistance of the common electrodes is decreased, so that a pixel structure is optimized, and the frame performance of a product is maximally improved. Meanwhile, compared with the prior art, the use of a mask patterning process can be reduced, the production efficiency is increased, and the production cost is reduced.

The invention relates to the technical field of image processing, in particular to a model manufacturing method based on LOD, a model manufacturing device based on LOD, a storage medium and electronicequipment. The method comprises the steps of acquiring a high-order model and a corresponding poster, and dividing and combining the poster into a poster and a public poster; manufacturing a corresponding low-surface-number model according to a preset rule based on the high-order model; distributing the poster according to the low-surface-number model to obtain UV of the poster corresponding to the low-surface-number model; and baking the poster according to the UV of the low-surface-number model to obtain a low-order model. The manufacturing efficiency of the model can be improved, and the research and development cost, the time cost and the model iteration cost can be effectively reduced.

The invention discloses a camera device with a large field depth and a design method thereof. A lens with a constant focal distance is adopted by the camera device; parameters of a lens optical system are designed by using an object plane at a focusing object distance as required by the later actual working environment as a reference object plane while the initial design of the lens is carried out. In the method, the focal distance of the lens is determined according to an image face size of an imaging apparatus matched for the lens and a view field range required to be observed; and then thefocusing object distance is determined according to a depth range required to be observed; and finally, the reference object plane is selected according to the selected focusing object distance value, and parameter optimization design is carried out on the optical system of the lens according to the reference object plane. The camera device designed by using the method can increase a depth of field without need of inserting an extra element, and has the advantages of no need of focusing and low cost.

The invention discloses a method and system applicable to a set top box and capable of adaptively outputting resolution. The method comprises the following steps of S1, connecting the set top box to atelevision and obtaining the highest resolution supported by the television; S2, connecting the set top box to a network, receiving a first receiving video signal, and analyzing the resolution of thefirst video signal; S3, using the set top box to convert the obtained first video signal into a second video signal according to the highest resolution supported by the television and the obtained resolution of the first video signal, and sending the second video signal to the television, wherein the resolution of the second video signal is not higher than the highest resolution supported by thetelevision. Therefore, the set top box automatically switches and outputs the resolution of the video signal according to the condition of the resolution supported by the television and the resolutionof the video signal by acquiring the resolution supported by the television, so that the best picture effect of the television is achieved.

The embodiment of the invention relates to the field of video processing, and discloses a video generation method and device, a server and a storage medium. The method comprises the following steps: acquiring webpage snapshot data in real time according to a preset webpage address; selecting target webpage content from the acquired webpage snapshot data; synthesizing the selected target webpage content with a pre-acquired input video, generating an output video with the target webpage content. The webpage content has the characteristics of free and flexible element layout, rich content, easiness in configuration and modification, strong expressive force and the like; characters, picture contents, page elements, animation effects and the like of a webpage are synthesized into a video picture to serve as a special effect in the video picture, a scene layout effect of the video picture and the like, so that the generated video picture is more flexible and vivid, and meanwhile, the elements, layout, effects and the like of the video picture are easy to configure and upgrade.

The invention provides a shooting method and device, a storage medium and a terminal device. According to the invention, an all-in-one camera is adopted to switch the output modes of the sensors in acamera dynamically during the preview process, so that a user can use different output modes at different zoom levels to achieve the effect of simulating optical zoom, and the picture effect of an image is improved.

The invention belongs to the technical field of three-dimensional manufacturing, and discloses a three-dimensional model automatic conversion method suitable for an AR scene, and the method comprisesthe following steps: S1, obtaining a compressed package file of a target three-dimensional model; s2, decompressing a source file of the current three-dimensional manufacturing tool from the compressed package file, establishing an initial three-dimensional model in the three-dimensional manufacturing tool, processing the initial three-dimensional model in the three-dimensional manufacturing tool,and then exporting model data of the initial three-dimensional model; and S3, importing the model data into an AR development tool, establishing a final three-dimensional model suitable for the AR scene in the AR development tool, and exporting a resource packet of the final three-dimensional model. The problem that a mature technical scheme for automatically converting the three-dimensional model in the three-dimensional manufacturing software into the three-dimensional model suitable for the AR scene is lacked in the prior art is solved.