16 results about "Black edge" patented technology

The invention discloses a dynamic self-adaptive video black edge real-time detection method based on multistage scanning, and relates to the technical field of image processing, and the method comprises the following specific steps: 1, inputting a video frame, and selecting 28 detection regions in the video frame according to the requirements of four-corner region positioning, edge center region center positioning and cross region positioning; 2, sparse sampling is carried out on the 28 detection areas one by one, whether the detection areas are black areas or not is judged according to sampling results, if yes, the step 3 is executed, and if not, the detection areas are output; 3, preliminarily determining the orientation of the black edge of the video frame and the starting and ending positions of the black edge in the four-edge direction of the video frame; the method supports real-time updating of the position of the black edge, adapts to resolution switching, transverse and vertical screen change and picture cutting, realizes efficient and accurate black edge detection, and updates the detection result in real time. Meanwhile, the method supports a mainstream video format (RGB / YUV), and the false detection rate is lower.

The application discloses a SIFT image splicing method and system based on multi-feature fusion and adaptive optimization, and comprises the following steps: performing data preprocessing on acquired image data to generate a gray image; constructing a scale space by using a SIFT feature extraction method, detecting local extreme points in the gray image to generate a descriptor, and performing SIFT feature matching optimization; performing false matching elimination by using a nearest neighbor ratio criterion and a matching threshold value, and maintaining the distribution balance of feature points in the gray image by using a uniform sampling method; performing random sample consensus estimation by using an adaptive threshold value in a feature matching point set, eliminating outliers, and calculating a homography matrix to realize image registration; and realizing image splicing in an overlapping area based on a weighted fusion strategy, avoiding the abruptness of a joint transition by combining a smoothing weight, and performing black edge trimming to optimize a splicing result. The application can optimize a traditional SIFT image splicing algorithm, and thus the splicing quality of an image can be improved.

The application relates to the technical field of aerial unmanned planes, and discloses a self-adaptive flight aerial detection unmanned plane with an angle adjusting function, which is applied to an aerial unmanned plane body and comprises an adjusting mechanism, an elongation assembly, a subsidence assembly, an aerial shooting mechanism and a protection mechanism. The adjusting mechanism is installed below the aerial unmanned plane body and is used for adjusting a shooting angle. The adjusting mechanism comprises the elongation assembly and the subsidence assembly. The elongation assembly is installed below the adjusting mechanism and is used for moving a shooting position. The subsidence assembly is installed in the elongation assembly. The aerial shooting mechanism is installed on the subsidence assembly and is used for shooting and detection. The protection mechanism is installed on the adjusting mechanism and is used for protecting the stability of the aerial shooting mechanism during shooting. Through the technical scheme, the gimbal in the prior art has the problems of limitation and dead angle during shooting, is prone to interference with a boom and a foot stand, has black edge shielding and a visual blind area, and influences the shooting progress and shooting quality.

The application discloses a kind of green pass fast detection method and system based on X-ray imaging technology, belong to image processing technical field, obtain the X-ray imaging slice image of current vehicle in a period of time, and all slice images are spliced, obtain X-ray imaging original image;The X-ray imaging original image is vertically flipped, and the positive X-ray imaging original image is obtained;By image processing algorithm, the left and right black edges of the positive X-ray imaging original image are cut, and the vehicle original image is obtained;The upper blank area of the vehicle original image is cut, and the right white edge is cut by image processing algorithm, and the target vehicle image is obtained;Image stretching is carried out to the target vehicle image, and all pixel points in the stretched target vehicle image are clustered by clustering method, and the pixel points in different classes are mapped to different colors, and the pseudo-color image of vehicle is obtained.The high-speed traffic efficiency is improved, and the accuracy of green pass vehicle inspection is improved.

A dimming device and a dimming structure. The dimming device comprises a first substrate (11), a first adhesive layer (12), a dimming functional layer (13), a second adhesive layer (50) and a second substrate (41) which are sequentially stacked, and further comprises a rubber frame (20) arranged between the first substrate (11) and the second substrate (41) and surrounding the first adhesive layer (12), the dimming functional layer (13) and the second adhesive layer (50). The orders of magnitude of the thermal expansion coefficients of materials of the glue frame (20), the first adhesive layer (12) and the second adhesive layer (50) are all 10-4. The dimming device and the dimming structure can reduce or even avoid interface bubbles at the junction between the rubber frame (20) and the first adhesive layer (12) and the junction between the rubber frame (20) and the second adhesive layer (50), so that the step of printing black edges for masking can be omitted, and the problem of bubbles appearing in a display area is avoided.

The invention discloses electronic equipment, a peripheral device, a terminal system and a state detection method. The electronic equipment comprises a first machine body and an electric connector, the first machine body comprises a first frame and a display screen, the first frame surrounds the outer edge of the display screen, and the extension direction of the first frame is different from that of the display screen. The electric connector is located on the first frame, and the plurality of electrically connected first terminals are exposed out of the first frame, so that the electric connector can be separably butted with the peripheral device. Thus, the external device can be electrically connected with the electric connector in a forward or reverse installation mode, the electric connector is suitable for different application scenes, and the user experience is improved. Meanwhile, the electronic equipment does not need to be internally provided with the external device, the external device does not occupy space, and the requirements of full screen and narrow black edge of the electronic equipment can be met. According to the state detection method, the state of the peripheral device can be detected in real time, corresponding prompt information is provided for a user in time, and the peripheral device is prevented from being lost.

The invention relates to the technical field of image processing, solves the problem that black edges cannot be effectively eliminated after image stabilization processing in the prior art, and provides a black edge processing method, device and equipment after image stabilization based on multi-frame fusion and a medium. The method comprises the following steps: correcting an initial image-stabilized video according to a camera jitter parameter to obtain an intermediate image-stabilized video; determining a black edge area of each image frame according to the intermediate image-stabilized video; performing information fusion extraction according to a plurality of adjacent image frames of one image frame to obtain black edge filling information; and filling the corresponding black edge area with the black edge filling information to obtain a target image-stabilized video. The method is suitable for various video processing application scenes, such as mobile phone video anti-shake, unmanned aerial vehicle aerial photography, monitoring video image stabilization and the like, and the final output quality and viewing experience of the image-stabilized video are improved.

The invention relates to the field of video processing technology and three-dimensional interaction application, in particular to a three-dimensional space video seamless fusion method and system based on dynamic video materials, and the method comprises the steps: preprocessing a video, and outputting original data which can provide decodable frame data and recognizable transparent regions; establishing a three-dimensional model of which the surface is a continuous and non-overlapping topological structure, and standardized UV coordinates for mapping video frame pixels and model surface points; according to the method, compressed frame data in original data are converted through a video decoding link, texture-material dynamic binding is performed based on real-time updating of memory address mapping, and a three-dimensional model and a video are seamlessly fused through Shader rendering. Through standardized preprocessing, precise UV mapping and Shader optimization, the problem of rigid fusion in the prior art is thoroughly solved, the edges of the video and the three-dimensional model are free of sawteeth and black edges, the color and the scene are kept consistent, and the transparent region is uniformly transited.

The invention provides a screen projection method and equipment. The method comprises the following steps: detecting a screen projection operation of a user on a first interface; and in response to the screen projection operation, first screen projection data is sent to a second device, the first screen projection data comprises the first interface and screen projection data of N interfaces associated with the first interface, and N is an integer greater than or equal to 1. In the application, when the first device projects the screen to the second device, the transmitted screen projection data can include the screen projection data of the plurality of interfaces, so that the second device can display the interface contents of the plurality of interfaces at the same time, the display area of the display screen is fully utilized, the condition of black edge filling does not occur, and the user experience is improved.

The invention relates to an intelligent interaction panel, and relates to the technical field of electronic equipment, and the intelligent interaction panel comprises a glass cover plate which covers one side, facing a light emitting surface of the intelligent interaction panel, of a display screen and is provided with a display area and a black edge area surrounding the display area; the black-edge areas comprise a sky-side black-edge area, a ground-side black-edge area, a left-side black-edge area and a right-side black-edge area; the back plate is located on the side, away from the glass cover plate, of the display screen, at least one hollowed-out part is arranged on the back plate in the light emitting direction of the intelligent interaction panel, and the hollowed-out part is located in the sky side black edge area close to the left side black edge area or close to the right side black edge area; the antenna assembly comprises at least one first antenna, the antenna assembly is located on the side, away from the display screen, of the backboard, and the first antenna corresponds to the hollow-out part and receives and transmits signals through the hollow-out part; the front integrity of the intelligent interaction panel can be guaranteed, and the good communication effect of the antenna assembly can be guaranteed.

The present application relates to the technical field of electronic devices. Disclosed are a display method, and an electronic device, a medium, a program product and a chip. In the display method in the present application, when an electronic device receives a screen rotation operation when displaying a first interface, the display orientation of the first interface on a screen is rotated in an animated manner from a first direction to a second direction. In addition, in the process in which the display orientation of the first interface is rotated from the first direction to the second direction, no black border or black corner is displayed by the electronic device, such that a background image viewed by a user can fully fill the entire screen at any rotation angle. In this way, the display effect of an interface during screen rotation can be improved.

The embodiment of the invention discloses a screen projection method and device, a terminal and a storage medium, and relates to the technical field of screen projection. Comprising the steps of determining a target adaptive resolution from at least two adaptive resolutions supported by an application program based on an expected resolution of a destination end under the condition that a screen projection demand exists; determining a virtual screen resolution of a virtual screen based on the target adaptive resolution, wherein the aspect ratio of the virtual screen resolution is consistent with the aspect ratio of the target adaptive resolution; based on the virtual screen resolution, the source end coding resolution and the expected resolution, determining a target coding resolution, the source end coding resolution being related to the coding capability of the source end; performing video coding on the application picture by using a coder with a target coding resolution to obtain a screen projection data stream; and transmitting the screen projection data stream to the destination end, so that the destination end performs screen projection display based on the screen projection data stream. According to the scheme, black edges appearing when the target end displays the screen projection picture can be reduced.

The invention discloses an intelligent positioning method and system based on a fixed display scale image. A reference image is zoomed at a fixed height (such as 500 pixels) and displayed on a canvas, and an original aspect ratio is kept by adopting black edge filling, so that a globally consistent pixel coordinate system is constructed. A user only needs to input the actual physical distance corresponding to the fixed height, the system can automatically calculate the pixel density, any click coordinate is converted into a physical position, and the sliding table is driven to complete high-precision positioning. The execution end can be provided with a positioning needle or an ultra-thin pen refill and is suitable for sculpture and sculpture scenes. According to the method, the human eye resolution limit is broken through, the positioning precision reaches + / -0.1 mm, the cost is lower than 500 yuan, the digital inheritance of the traditional sculpture skill is assisted, and a feasible path is provided for the disabled to participate in the cultural creative industry.

The invention discloses an antenna, at least part of the antenna is suitable for being arranged in a light-transmitting area of glass, a radiator of the antenna comprises two conductive parts, the light transmittance of the first conductive part is larger than or equal to 85%, and the light transmittance of the second conductive part is larger than that of the first conductive part. The antenna can be arranged in the light-transmitting area of the glass and is far away from the black edge area, so that the signal interference of peripheral devices on the antenna is reduced, and the sight of a driver is not shielded.

The invention discloses an image processing method, electronic equipment and a readable storage medium. According to the image processing method, when an image, displayed on the electronic equipment, of a target application program is switched, a first image before switching can be replaced with a second image with the size identical to or close to that of a second original image layer after switching, and then the second original image layer covers an original display area of the first image; and gradually displaying the second original image layer in the switching process by changing the transparency of the second original image layer. According to the embodiment of the invention, display black edges caused by inconsistent image sizes before and after switching can be avoided while the switched image is displayed gradually, and the user experience is improved.

The application provides a control method and device and a vehicle, which can be applied to the field of intelligent cockpits. The method comprises the following steps: in response to a first instruction, controlling the change of the unfolding size of a first screen, the first instruction being used for indicating unfolding or folding up the first screen; in the case that the unfolding size of the first screen is a first unfolding size, adjusting the size of a target image from a first size to a first playing size according to the first unfolding size to obtain a first image; and controlling a first display area to display the first image, the first display area being a display area of the first screen under the first unfolding size. The application can be applied to a smart car or an electric car, the playing size of an image is adapted through the size change of a screen, the user can be prevented from seeing an image with black edges in the process of unfolding or folding up the screen, and the visual experience of the user can be improved.