49results about How to "Achieve smoothing" patented technology

The invention is applicable to the field of multimedia communication, and provides a method and a system for smoothly processing transmission stream and front-end equipment of a digital television. The system comprises a storage unit, a buffer unit, an access control unit and an output control unit, wherein the storage unit is used for receiving a first write instruction, receiving the transmission stream to be smoothly processed according to the first write instruction, receiving a read instruction, and sending the transmission stream according to the read instruction; the buffer unit is usedfor receiving a second write instruction, and receiving the transmission stream sent by the storage unit according to the second write instruction; the access control unit is used for sending the first write instruction to the storage unit according to the detected transmission stream to be smoothly processed, sending the read instruction to the storage unit according to a storage space state ofthe buffer unit, and simultaneously sending the second write instruction to the buffer unit; and the output control unit is used for selecting output transmission stream or output space packets according to the length of the transmission stream in the buffer unit. The method and the system achieve smooth processing of burst transmission stream at large code rate, and have high speed and low cost.

The invention discloses a computer aided restoration method of oracle bone rubbing font. The method comprises the following steps: scanning the fonts of a oracle bone rubbing on the paper to store in a computer; adjusting the size of the scanned picture, performing binarization processing; calculating the areas of all connected regions on the oracle bone rubbing and the number of the connected regions with the same area to obtain the distribution characteristics of the connected regions of the oracle bone rubbing, calculating the mathematical expectation of the areas of the connected regions, performing recognition processing to the areas of the regions, calculating the characteristic points of the glyph outlines of the oracle bone rubbing, calculating the end points of the stroke segments of the fonts according to the characteristic points, distinguishing different stroke segments according to the end points; performing squeezing transformation to each stroke segment of the oracle bone rubbing; and calculating the fractal dimension of each stroke segment of the fonts of the oracle bone rubbing. By using the method of the invention, time and labour are saved; and the method is convenient and fast, has good restoration effect and is suitable of the restoration of the fonts of oracle bone rubbings.

A harmless switching method for SETS function modules in a SDH system includes: mutually sending clock and frame location pulse between master and alternative modules for controlling state signals to control the one-from-two logic circuit to make the phase and frequency of the output system clocks and system frame location pulses of the two modules completely the same, each own voltage-control oscillator traces the same timing source. A returned button is set in them for controlling the alternative turning to the master by triggering it manually and the original master module is activated to realize switching. The alternative module output clock and the frame timing pulse are at ordinary output state not controlled by three states output. The module switch time scale is selected in the sphere of frame head so that the frame location pulse is continuous and a line interface module processes the clock sent by the master, alternative timing souses function module smoothly after one-from-two logic circuit.

The invention discloses a real-time face detection method based on a deep convolutional neural network, and the method comprises the steps of fusing data set information, creating face data, and dividing the face data into a training set, a test set, and a verification set according to a ratio; carrying out label manufacturing on the data set obtained in the first step, and changing a real label of the data set into a txt file; carrying out data enhancement on the data set obtained in the step 2; constructing a deep convolutional neural network with an end-to-end non-cascade structure; puttingthe data processed in the step 3 into the convolutional neural network constructed in the step 4 for training, and optimizing a loss function of the whole model by combining a random gradient descentmethod; and setting a category confidence threshold, and inputting the test part data set output in the step 5 and actual video data into a deep convolutional neural network for performance test. Themethod better integrates two advantages of time and performance, has better adaptability to the face angle, the illumination intensity and the shielding degree, and effectively improves the robustness of face detection and the generalization ability of the network.

The invention provides an I/O interface driving circuit capable of automatically controlling noise. The I/O interface driving circuit comprises an N-type transistor output driving circuit and a P-type transistor output driving circuit. The output signal and the input signal of an I/O interface are combined to form a combined signal for controlling the N-type transistor output driving circuit and the P-type transistor output driving circuit. Further, the combined signal is used for eliminating level bounce induced by a power end and a ground end when the output signal of the I/O interface is inverted. A first time delay circuit is used for adjusting the driving capability of the N-type transistor output driving circuit. A second time delay circuit is used for adjusting the driving capability of the P-type transistor output driving circuit. Thus, voltage overshoot of the output signal of the I/O interface is prevented; smoothness at the later inverting period of the output signal of the I/O interface is achieved; and the noise suppression capability of the I/O interface is improved.

The invention discloses a writing method based on a touch screen, and the method comprises the following steps: monitoring a writing operation of a user on the touch screen, obtaining coordinate dataof a touch point when an object slides on the touch screen when the writing operation is monitored, and enabling the faster the sliding of the object on the touch screen is, the larger the distance between the touch points is; calculating a first graphic parameter corresponding to the touch point based on the coordinate data, and smoothing a track of the touch point based on the coordinate data toobtain smooth point data of a smooth point in the track; and calculating a second graphic parameter corresponding to the smooth point based on the first graphic parameter, and drawing a preset graphbased on the first graphic parameter, the second graphic parameter, the coordinate data and the smooth point data to generate a writing track. The invention further discloses a writing device and equipment based on the touch screen and a readable storage medium. The writing effect is improved.

The present invention provides an image processing method and device, a pan-tilt and a storage medium. The method includes: establishing a re-projection error constraint function according to an original rotation parameter, wherein the original rotation parameter is the rotation parameter of the camera pose of a current frame image relative to the camera pose of a previous frame image, or the original rotation parameter is the rotation parameter of the pan-tilt posture of the current frame image relative to the pan-tilt posture of the previous frame image; optimizing the re-projection error constraint function to obtain an optimized rotation parameter; and correcting the current frame image according to the optimized rotation parameter. The solution can smoothly process a captured motion trajectory, and correctes an acquired image with high efficiency.

The present invention provides a display method, a display apparatus, a display device, and a storage medium and belongs to the display technical field. The display method is applied to the display device. The display method includes the following steps that: a first image which is to be displayed in a display area is obtained; the edge of the first image is processed on the basis of a preset image edge processing algorithm, so that a second image can be obtained; and the second image is displayed in the display area. Thus, the jagged edge of the image displayed in the display area can be eliminated, and a display effect and user experience can be improved.

The invention discloses an automatic plastic packaging bag sealing and straightening packing machine for fried foods. The sealing and straightening packing machine structurally comprises a lifting frame, a containing tray, a packing machine main body, a feeding hopper, an opening and closing door measuring cup, a loading hopper, smoothening devices, a sealing station, a holding tray and a finishedproduct conveyor. The automatic plastic packaging bag sealing and straightening packing machine for the fried foods has the beneficial effects that according to the principle of same polarity repelling of a positive magnet, sufficient time is provided for smoothening of a sealing opening of a packaging bag, an inductor is matched with a transmission motor, under drive of a second gear when the two smoothening devices get close to each other, push plates move towards the two sides, scrapping plates straighten the sealing opening of the packaging bag, sealing opening corner wrinkles, sealing missing and other phenomena are prevented from being caused during heat sealing, and the quality of the foods is further prevented from being influenced; and the surfaces of scrapping plates are provided with wave strips of three-dimensional structures, smoothening of the sealing opening of the packaging bag is achieved, air in the area is extruded out, and wave-type flattening is used for conducting flat and matched heat sealing of the sealing opening.

The invention relates to the technical field of autonomous navigation, in particular to a path planning method and device based on an improved bidirectional RRT algorithm, and the method comprises the following steps: obtaining an environment image, and dividing the environment image into an obstacle region and a non-obstacle region through binarization; obtaining feature points of all obstacles, and setting initial priorities of all the feature points according to a pre-established priority configuration rule; on the basis of the initial priorities of the feature points, performing global path search in combination with an improved bidirectional RRT algorithm to obtain an initial path; and smoothing the initial path by using a Bezier curve to obtain a final path. According to the scheme, firstly, the feature points of all obstacles in the area are obtained, then dynamic priority setting is conducted on each feature point, then the information is combined with the improved bidirectional RRT algorithm to achieve accelerated search, the probability of expansion to a low-efficiency search area is reduced, memory consumption is reduced, meanwhile, smooth processing of the generated path is achieved, and the search efficiency is improved. And the actual execution of the intelligent mobile equipment is facilitated.

The invention provides a method and device for removing an image finger based on fixed areas, which comprise the following steps of: acquiring a Rect area image in a predetermined area; splitting theRect area image into an upper Rect area sub-image and a lower Rect area sub-image. The original image is the image of the upper edge area of the upper Rect area sub-image in order to fill the upper Rect area sub-image, the image of the lower edge area of the lower Rect area sub-image is the original image, and the lower Rect area sub-image is filled. The treatment with color permeation is carriedout at the junction of the sub-image of the upper Rect area and the sub-image of the lower Rect area. Firstly, the position of the finger is framed and limited, and then the range of the selected frame is projected and filled, and the color permeation on each other at the splicing position of the upper and the lower projection is carried out so as to realize the smooth processing at the splicing position. By adopting the scheme, no matter what environment is required for image acquisition, the mapping filling in the frame selecting region can be realized without being subject to the pressing of the fixed skin color finger, and the universality and the accuracy of removing the finger are realized.

The invention discloses a phase smoothing processing method and device and a computer readable storage medium. The phase smoothing processing method comprises the steps of: acquiring the signal amplitude of a current sampling point in a phase signal; when it is determined that the signal amplitude of the current sampling point is smaller than a preset amplitude threshold, acquiring a difference value between a phase value of the current sampling point and a phase value of a first sampling point; and when the difference between the phase value of the current sampling point and the phase value of the first sampling point is greater than a preset first threshold, updating the phase value of the current sampling point. According to the scheme, the frequency of phase signal hopping can be reduced.

The invention relates to the field of interventional equipment used in orthopedic surgery, in particular to a replacement scaphoid bone used in orthopedic surgery. The problems that in the prior art,scaphoid rehabilitation time is long, and rehabilitation difficulty is large are solved. The artificial scaphoid bone comprises an upper bone block, a lower bone block and a limiting block for limiting the assembling directions and the assembling angle freedom degrees of the matching state of the upper bone block and the lower bone block, the upper bone block, the lower bone block and the limitingblock comprise metal tantalum structures formed through 3D printing, and the upper bone block, the lower bone block and the limiting block form an artificial scaphoid bone combination body. The assembly comprises metal holes with the hole diameters sequentially decreased from inside to outside, and operation suture cavities are formed in the two ends of the limiting block so as to suture fascia and the assembly. The scaphoid bone for replacement has the advantages that firstly, the scaphoid bone replacement time can be shortened, and secondly, the postoperative use strength and use flexibility can be guaranteed, which are not possessed by previous products.