33results about How to "Fix Image Distortion" patented technology

The embodiment of the invention discloses an image processing method, a terminal and a computer readable storage medium. The method comprises the steps that a reference image and a target image are acquired, wherein the reference image contains depth information; the depth information of the reference image is acquired; and a corresponding depth position, in the reference image, of the target image is adjusted to determine a corresponding covering relation between the reference image and the target image. Through the embodiment, the depth position, in the reference image, of the target image can be adjusted to allow the target image to be at a reasonable depth position in the reference image, and the problem of image distortion caused by covering during image processing is solved.

A circuit for adjusting image is adapted for rear projection display. The circuit for adjusting image includes a parameter input unit, a data buffer unit, and a geometry transfer unit. The parameter input unit is used to provide a vertical and a horizontal axis amendment parameters. The data buffer unit couples the parameter input unit to buffer the vertical axis amendment parameter and the horizontal axis amendment parameter. The geometry transfer unit is used to receive input frame data with a plurality of pixels, and then every pixel's vertical axis coordinates multiply the vertical axis amendment parameter to transfer every pixel to a new vertical axis coordinate, and every pixel's horizontal axis coordinates multiply the horizontal axis amendment parameter to transfer every pixel to a new horizontal axis coordinate. Finally, the transferred new vertical and horizontal axis coordinates are transmitted to a display for displaying images for users to watch.

The invention provides a self-adaptive video image enhancement method on the basis of brightness detection. The method of the invention detects the images under different illumination conditions and enhances the low-illumination images according to the detection result. When the images are detected, average values of brightness values of all sampling points of YUV-format images in a RGB colour space are taken as the brightness value of current frame of image. For each frame of image to be processed, if the brightness value of the frame of image is less than the prearranged brightness limit value of image under normal illumination, piecewise linearity is transformed for the value of Y-component of each pixel point in the area to be processed of the frame of image so as to improve the visible effect of the low-illumination image. In order to quicken the operation speed, the brightness values of all sampling points of the image in the RGB colour space are gained and the linear transform on the Y-component of the image under low illumination is operated in a form of table lookup. The method of the invention has small calculated quantities, meets the requirement of real-time performance and can be used for the processing of video images in video communication of mobile phones and televisions.

The invention relates to the field of semiconductor manufacturing, in particular to a graphic distortion compensation method and a photoetching exposure method, graphic distortion is caused by installing a protective film on a mask, and the graphic distortion compensation method comprises the following steps: measuring a first graphic feature generated by the mask on which the protective film is installed; measuring a second graphic feature generated by the mask without the protective film; establishing a graph distortion model based on the difference between the first graph feature and the second graph feature; and calculating the compensation amount according to the graph distortion model. According to the embodiment of the invention, errors caused by various conditions can be automatically compensated, pattern distortion caused by the protective film under various conditions can be predicted, and the accuracy and efficiency of pattern distortion compensation are improved.

The invention discloses an ink-jet printing device used for continuously printing media. The ink-jet printing device used for the continuously printing media comprises a framework, an ink-jet unit with a printing head, a paper-moving channel and a paper-moving mechanism, wherein the ink-jet unit comprises an ink box accommodated with quick-drying ink to ensure that the quick-drying ink which is jetted by the printing head and attached to the continuously printing media is solidified and dried up before arriving at the paper-moving mechanism, and therefore the problem that a friction wheel scratches ink marks which are not dried and accordingly images are distorted is solved. Further more, a horizontal paper-moving channel for ensuring that the continuously printing media horizontally move is adopted by the device, wherein the horizontal paper-moving channel is a straight-line-shaped paper-moving channel and discards an L-shaped or a C-shaped paper-moving channel mode on a traditional ink-jet printer, reduces requirements for softness of the printing media to the maximum degree, and is applicable to more widely and continuously printing media such as hard card paper, certificates, plastic paper and cemarics.

The invention discloses an underwater spectrum adjustable lighting device and a spectrum adjustment method thereof. The device includes a sealed cabin, a control module installed in the sealed cabin, a lighting module and a power supply module, and also includes a distance measuring module and a spectrum sensing module; The power supply module is connected to the control module and the lighting module respectively; the lighting module, the distance measuring module and the spectrum sensing module are all connected to the control module; the lighting module emits a light source under the control of the control module; the distance measuring module uses It is used to measure the distance between the target object and the lighting device; the spectrum sensing module receives the reflected spectrum, and transmits the spectrum information to the control module. The invention provides an underwater spectrally adjustable lighting device that can automatically adjust the spectral composition and light spot brightness output according to the distance in the visible light region (380nm-780nm), which provides a solution for the attenuation of light by the water body during underwater photography and other operations. solution.

The invention, which mainly relates to processing on a caption special effect in the broadcast television program manufacturing and broadcasting fields, discloses a method and system for transformation of a scrolling mode of a two-dimensional caption. The method comprises: (1), obtaining basic dimension parameters of an original caption window and transformation parameters; (2), according to the transformation parameters, carrying out caption window space reservation so as to determine a caption scanning window and extract parameters of the caption scanning window; (3), calculating a scrolling position according to a scrolling function f (x, y, t) in the caption scanning window and carrying out screen dividing based on the scrolling position; and (4), according to the screen dividing, carrying out rendering on each pixel point position. Moreover, the system consists of a caption window collection unit, a caption window space reservation unit, a screen dividing unit, and a rendering unit. According to the invention, the caption window space reservation is carried out to display an image exceeding the scrolling transformation part, so that problems of image distortion and missing of a scrolling transformation special effect during a playing process can be solved. And moreover, pixel superposition of a scrolling part enables a pixel of the scrolling part to be restored well and truly.

The invention relates to an improved high-dimension space adaptive sampling method used for space reconstruction of an image. The method includes following steps: performing random sparse sampling in a high-dimension space; performing selective encryption sampling on sampling points for random sparse sampling by employing an adaptive scale estimation method; eliminating distortion caused by selective encryption sampling; reconstructing a brightness function of the high-dimension space according to brightness values of the sampling points for encryption sampling; performing integral reconstruction on a non-image space dimension in the reconstructed brightness function, and obtaining a brightness function in the final image dimension; and processing the brightness function in the final image dimension, and performing space reconstruction on the image. Compared with the prior art, the method is advantaged by good reconstruction effect, high adaptability, wide application range, and avoidance of distortion etc.

The invention discloses front-in front-out ink-jet printing equipment which comprises a framework, an ink jetting unit provided with a printing head, a paper feeding channel and a paper feeding mechanism, wherein the ink jetting unit comprises an ink box containing rapidly-dried ink; the paper feeding channel is a horizontal channel capable of enabling a printing medium to move horizontally; and a paper inlet and a paper outlet of the paper feeding channel are the same opening at the front side of the paper feeding channel. According to the ink-jet printing equipment disclosed by the invention, the adopted paper feeding channel is horizontally linear, the printing medium is fed in and discharged out from the front, the operation is humanized, and the requirement on the softness of the printing medium is reduced; and the rapidly-dried ink is adopted for printing, so that the rapidly-dried ink, which is jetted out by the printing head and attached to the printing medium, is solidified and dried before arriving at a friction wheel of the paper feeding mechanism, and the problem that image distortion is caused due to the condition that the friction wheel scrapes ink marks which are not dried is solved. The equipment structure is simplified; and the front-in front-out ink-jet printing equipment is convenient to install, simple in operation, low in cost, long in service life and especially suitable for front-in front-out printing media such as invoices.

The invention discloses a DICOM image drawing method and device. The above method includes: for each image unit in the DICOM image, obtaining the standard positions of a plurality of feature points on the edge of the image unit; Actual position information corresponding to a plurality of feature points; among the identified actual position information corresponding to the plurality of feature points, determine the actual position information of the feature points surrounding each of the image units; for each of the For an image unit enclosed by the actual position information of the feature points of the image unit, the image of the image unit is drawn to the standard positions of the multiple feature points on the edge of the image unit. According to the technical solution provided by the invention, the purpose of highly restoring the image in the film can be achieved, and the problem of image distortion generated by the DICOM image in the scanning process of the medical film scanner is solved.

The invention discloses an endoscopic OCT-Raman dual-mode imaging device and an imaging method, including a Raman imaging system, an OCT imaging system, an endoscope system, an image reconstruction system and a display system. The endoscope system is respectively connected with the Raman imaging system and the OCT imaging system, both of the Raman imaging system and the OCT imaging system are connected with the image reconstruction system, and the image reconstruction system is connected with the display system. The invention can obtain a three-dimensional image with higher optical resolution, changes the existence mode of the spectral line form of the Raman spectrum, associates the Raman spectrum with the OCT three-dimensional imaging, and realizes the tiled three-dimensional image of the OCT cavity and its corresponding Raman spectrum. The reconstruction of the MAN 3D image makes the correspondence of the lesion position more obvious, improves the visualization of the imaging, and realizes the accurate and rapid acquisition of OCT imaging data and Raman signals.

The invention provides an electrochromic material and a preparation method thereof, and an anti-dazzling automobile rear-vision mirror prepared from the electrochromic material. The electrochromic material comprises a purpurine compound provided with an adjusting group; the adjusting group is R in a formula shown in the specification, and is a cation adjusting group; and R is one or more of groups shown in the specification. The anti-dazzling automobile rear-vision mirror prepared from the electrochromic material comprises a glass substrate, a conductive layer, an electrochromic layer, a conductive layer, a glass substrate, a reflecting layer and a protective layer in turn. The anti-dazzling automobile rear-vision mirror prepared from the electrochromic material has the color change time greatly shortened; meanwhile, the color is black after color change, and the problem of image distortion after the rear-vision mirror changes color is solved.