32results about How to "Does not reduce resolution" patented technology

The present invention provides an OLED display panel and a pixel arrangement structure thereof. The pixel arrangement structure comprises a plurality of repeatedly arranged virtual n polygons formed by a plurality of first sub pixels, a plurality of second sub pixels and a plurality of third sub pixels, where n is an even number being larger than or equal to 4, the third sub pixels are arranged inthe virtual n polygons, each virtual n polygon is internally provided with n / 2 third sub pixels, the first sub pixels and the third sub pixels are separated from each other and have centers at the first vertexes of the n polygons; and the second sub pixels are separated from the first sub pixels and the third sub pixels and has the center of the second vertexes of a virtual octagon. The OLED display panel and the pixel arrangement structure thereof can reduce the quantity of the sub pixels and can reduce the occupation area of each basic element unit; and the third sub pixels are located at the center of the n polygons and can commonly use one FMM opening so as to reduce the evaporation difficulty.

The invention discloses a dual-axis linkage based rapid scanning method of a scanning acoustic microscope. The method comprises the steps of: (1) setting a scanning area S=(N.a)*(N.a), and starting moving while taking Lscan=(N-1)a / as the magnitude of motion displacements of motors at axes X and Y, wherein the motion directions of the axes X and Y are all positive directions; (2) when the two motors are stopped, changing the direction of the axis Y, maintaining the axis X unchanged, and moving while taking Lstep=a / as the magnitudes of the motion displacements of the motors at the axes X and Y; (3) after the two motors are stopped, changing the motion direction of the axis X, maintaining the axis Y unchanged, and continuously starting the motion of the motors at the axes X and Y, wherein the magnitudes of displacements are both Lscan; (4) after the two motors are stopped, changing the motion direction of the axis X, maintaining the axis Y unchanged, and continuously starting the motion of the motors at the axes X and Y, wherein the magnitudes of the displacements are both Lstep; and (5) after the motors are stopped, repeating the steps from (1) to (4) until an entire image is scanned completely. According to the invention, on the premise of not changing motion system hardware conditions and not decreasing imaging resolution, the scanning efficiency can be increased by more than 20%.

The invention relates to a method for removing annular artifacts caused by CT detection element faults by use of projection data. The method comprises the following steps: 1, introducing the projection data to obtain a matrix A, detecting a position of a fault area in the matrix A, and obtaining a matrix B by performing linear interpolation on a column corresponding to the fault area by use of two columns of data apart from the left column and the right column of the fault area; 2, after filtering back projection reconstruction is performed on the matrix B, then carrying out mean value filtering and forward projection, and obtaining a projection sine matrix C; 3, subtracting the matrix C from the matrix A, and then obtaining a matrix D by performing linear interpolation processing on the column corresponding to the fault area by use of the left column of data and the right column of data apart from the column corresponding to the fault area in a difference matrix; 4, obtaining a matrix E by adding the matrix C to the matrix D; and 5, returning to the second step, cycling the second step to the fourth step until preset iteration frequency is reached, and then obtaining a CT image after the artifacts are removed by performing the filtering back projection reconstruction on an obtained result. The method provided by the invention can eliminate the annular artifacts caused by continuous large-area faults of CT detection elements.

The invention relates to a filtering phase discriminator type dynamic interferometry system, which is composed of an interference optical system, a photoelectric detector and a filtering phase discriminator system for performing optical interference measurement on the object to be detected. The optical interference system comprises light paths and a phase shifting device, and the filtering phase discriminator system is composed of a synchronic phase shift control circuit and a signal processing circuit. The measurement system provided by the invention can perform on-line measurement in severeenvironment, can obtain the measurement result only needing an interference graph, does not lower CCD resolution ratio and has no special requirement on measurement environment, and has the characteristics of strong interference resistance, high measurement precision, high signal noise ratio, high resolution ratio, short measurement time and the like.

The invention provides a display system and a display device. The display system includes a display screen and a lens array, the lens array is arranged on the display side of the display screen, and is used to convert the two-dimensional image displayed on the display screen into a three-dimensional image, and also includes a light modulation structure, the light modulation structure is fixedly arranged on the display screen and Between the lens arrays, there are at least two types of modulations for the lengths of the optical paths that are used to make the display light emitted by the display screen incident on the lens arrays. Compared with the existing technology of increasing the depth of field of stereoscopic display by dynamically adjusting the position of the sub-lens in the lens array, the display system will not reduce the resolution of the three-dimensional image, and can avoid the noise caused by the position change of the sub-lens from affecting the image display; Compared with the existing technology of setting the sub-lenses in the lens array with different focal lengths and apertures to increase the depth of field of the stereoscopic display, it is not necessary to design differently for the sub-lenses in the lens array, which reduces the difficulty and difficulty of processing the entire display system. cost.

Embodiments of the present invention provide a display substrate, a display panel, a display device and a display method thereof, which relate to the technical field of multi-view field display, and can avoid distortion of a display image without reducing the resolution of the display image. The display substrate includes: a plurality of display groups repeatedly arranged along the row direction, each display group includes: n columns of pixel units with different fields of view, the ratio of the length of each pixel unit along the row direction to the length along the column direction is 1 / n; wherein, n≥2, n is a positive integer. Used in multi-field display substrates.

The invention discloses a flexible pyroelectric infrared detector sensitive unit for low-voltage electrical interference, which relates to the field of pyroelectric sensor structure design, comprising an upper flexible pyroelectric polymer film on the upper layer and a lower flexible pyroelectric polymer film on the lower layer A polymer film, the upper surface of the upper flexible pyroelectric polymer film is provided with a first electrode layer, the lower surface is provided with a second electrode layer, and the upper surface of the lower flexible pyroelectric polymer film is provided with a third electrode layer 1. The lower surface is provided with a fourth electrode layer, and an adiabatic spacer column is connected between the second electrode layer and the third electrode layer; The environmental interference felt by the sensitive elements is different, so the piezoelectric signal interference cannot be eliminated, and the number of effective sensitive elements is reduced, resulting in a decrease in the resolution of the detector array.

A real-time image fusion method based on a visible-light and near-infrared dual-band camera of the present invention includes the following steps: 1. First, obtain the common component of the visible-light image and the near-infrared image through a local minimum operator; 2. Subtract the common component from the visible-light image Components to obtain the unique components of the visible light image; 3. Subtracting the common components from the near-infrared image to obtain the unique components of the near-infrared image; 4. Assigning the unique components of the near-infrared image and the unique components of the visible light image to the R and G component values ​​​​of the intermediate image , assign the difference between the unique component of the visible light image and the unique component of the near-infrared image to the B component of the intermediate image; 5. Convert the RGB component of the intermediate image into a YUV component, and then replace the U and V components of the visible light image with those of the intermediate image U and V components; Sixth, convert the replaced intermediate image into RGB components to obtain a fused image. The invention has a simple hardware structure and can simultaneously present the infrared target outline and visible light color information.

An NR coefficient (Kf) is calculated on the basis of a representative value of a target pixel and the low-pass filter value nearest to the representative value of the target pixel, said low-pass filter value being selected from among a plurality of different-direction one-dimensional low pass filter values corresponding to an input image, and the pixel value of the target pixel and a peripheral low-pass filter (25) are weighted by the NR coefficient (Kf) and added (36). The representative value of the target pixel might be, for example, a median value obtained by filtering a current frame and a past frame in the time axis direction. By this means, noise is reduced in the image processing device without lowering the resolution.