41results about How to "Avoid image noise" patented technology

The image forming apparatus includes: an intermediate transfer body; a first liquid application device which applies a first liquid containing an aggregating agent on the intermediate transfer body; a second liquid application device which applies a second liquid containing a solvent-insoluble material on the intermediate transfer body, the solvent-insoluble material being induced to form an aggregate by the aggregating agent to form an image on the intermediate transfer body; and a transfer device which transfers the image formed on the intermediate transfer body to a recording medium, wherein conditions of γt>γ2>γ1 and γg>γ2>γ1 are satisfied, where γt is a surface energy of the intermediate transfer body, γ1 is a surface energy of the first liquid, γ2 is a surface energy of the second liquid, and γg is a surface energy of the aggregate of the solvent-insoluble material.

The image forming apparatus includes: an intermediate transfer body; a first liquid application device which applies a first liquid containing an aggregating agent on the intermediate transfer body; a second liquid application device which applies a second liquid containing a solvent-insoluble material on the intermediate transfer body, the solvent-insoluble material being induced to form an aggregate by the aggregating agent to form an image on the intermediate transfer body; and a transfer device which transfers the image formed on the intermediate transfer body to a recording medium, wherein conditions of γt>γ2>γ1 and γg>γ2>γ1 are satisfied, where γt is a surface energy of the intermediate transfer body, γ1 is a surface energy of the first liquid, γ2 is a surface energy of the second liquid, and γg is a surface energy of the aggregate of the solvent-insoluble material.

The invention discloses a single image haze removal method combined with the human vision characteristic. The method includes the following steps that firstly, a haze image is input and a dark channel image of the haze image is acquired; secondly, an atmosphere illumination value of the haze image is estimated according to a dark primary color prior method; thirdly, an initial optimal atmospheric transmission value of the haze image is calculated; fourthly, a guide filter is used for refining, so that a refined optimal atmospheric transmission value is acquired; fifthly, the refined optimal atmospheric transmission value obtained through the fourth step and the atmosphere illumination estimated value are combined with the input haze image, so that a clear image is acquired. According to the method, methods such as saturation region segmentation combined with the human vision characteristic and self-adaption atmospheric transmission value calculation are adopted, haze of each pixel in the haze image is accurately removed, and the detail recovery effect of the image is improved; haze is effectively removed, meanwhile, the halo phenomenon can be restrained, image noise is prevented from being generated, and the method is suitable for different complex weather and is high in calculation speed.

An image forming method includes the steps of: depositing an aggregating treatment liquid containing 10% or more and 90% or less of a water-soluble high-boiling-point organic solvent having an SP value of 30 or lower onto a recording medium; starting drying of the aggregating treatment liquid deposited on the recording medium within five seconds after the step of depositing the aggregating treatment liquid onto the recording medium; ejecting an ink containing 10% or more and 90% or less of a water-soluble high-boiling-point organic solvent having an SP value of 30 or lower in accordance with an image signal, so as to be superimposed on the aggregating treatment liquid deposited on the recording medium; and removing water contained in a solvent of the ink on the recording medium in such a manner that the water contained in the ink becomes 4 g / m2 or less when converted to a deposition volume.

OFF current of a TFT is reduced. There is provided a semiconductor device comprising: a substrate; a shielding film formed so as to be in contact with the substrate; a planarization insulating film formed on the substrate so as to cover the shielding film; and a semiconductor layer formed so as to be in contact with the planarization insulating film. The semiconductor device is characterized in that the shielding film overlaps the semiconductor layer with the planarization insulating film sandwiched therebetween, and that the planarization insulating film is polished by CMP before the semiconductor layer is formed.

To provide an image forming apparatus that prevents generation of image noise by recovering a movable member having flexibility from creep deformation. The image forming apparatus for forming images on a recording medium includes a movable member having flexibility, a detection section for detecting temperature of the movable member directly, a storage section for storing the temperature detected by the detection section when the apparatus is powered off, and a control section for changing a duration of time during which the movable member is in a preparatory operation corresponding to the detected temperature read from the storage section when the apparatus is powered on.

An optical system used in a barcode scanner is disclosed to include a standing cylinder lens, a light source that emits a light beam through the standing cylinder lens onto the barcode of the product to be scanned, a focusing lens that focuses the image reflected by the barcode, a linear sensor array, and a slanted arranged reflector that reflects the image focused by the focusing lens onto the linear sensor array for reading. The light path of the image focused by the focusing lens onto the reflector and the light path of the image reflected by the reflector onto the linear sensor array are overlapped, forming a light path overlap region.

There is provided a transmission device including: a transmission unit that transmits a container in a predetermined format including a first component stream that has, as component data, transmission video data obtained by switching between a plurality of types of transmission video data, and a predetermined number of second component streams that have pieces of other component data; and an information insertion unit that inserts dynamic range information of the component data that each of the component streams has into the component streams.

The invention relates to a medical endoscope image enhancement method based on mathematical morphology, which realizes medical endoscope image enhancement based on HSI and morphological filtering, andcomprises the following specific steps: step 1, reading an original image, and converting a color space of the image into an HIS color space; step 2, keeping the hue H and saturation S of the image unchanged, and performing morphological filtering on the brightness I to realize brightness detail enhancement; and step 3, converting the processed image pixel value from the HIS color space to the RGB color space. According to the method, the brightness component of the color medical endoscope image can be properly enhanced, compared with the original image and the enhanced effect, the contour and details are more prominent, the image is clear, the color is bright, and introduction of excessive image noise is basically avoided.

The invention discloses a full-open permanent magnet for MRI, wherein the permanent magnet comprises: full-open main structure of a rectangular structure composed of two vertical yokes arranged left and right symmetrically and two transverse yokes arranged up and down symmetrically with an air gap zone of the permanent magnetic positioned in the middle of the full-open main structure; up and downtwo parallel opposite main poles which are respectively arranged on the sides close to the air gap zone of and connected with the up and down two transverse yokes; and up and down two parallel opposite pole plates which are respectively arranged on the sides close to the air gap zone of and connected with the up and sown two main poles. The invention enormously reduces the weight of the yokes, improves the shimming efficiency and increases the openness of the magnetic field.

An address generating unit 102 generates a different write start address (w_adr) of a picture memory 105 depending on an aspect ratio and / or a display plane position of a motion picture to be displayed. A picture writing unit 104 writes data to the picture memory 105, starting at the calculated write start address (w_adr). A picture reading unit 108 uses the write start address (w_adr) as a read start address (r_adr) and reads data from the picture memory 105, starting at the read start address (r_adr).

An image-forming apparatus, equipped with an intermediate transfer member 3 having a surface layer that holds a toner image primary-transferred from a latent image-supporting member temporarily on the surface layer and allows secondary transfer of the toner image held thereon to an image receiving medium,wherein, when the moving distance of the intermediate transfer member surface from the secondary transfer region 15 to the first primary-transfer region 16 is designated as L (mm) and the moving speed of the intermediate transfer member as S (mm / second), the residual surface potential of the intermediate transfer member L / S seconds after application of the secondary transfer voltage is 1 / 20 or less of the first primary transfer voltage V1.

Provided are a display device capable of preventing image noise arising from changes in potential of a common electrode and auxiliary capacitor lines at the time of a switch between a normal mode and a memory mode and a method for driving such a display device. In a case where it is necessary to cause the common electrode and the auxiliary capacitor lines to change in potential along with a switch between the normal mode and the memory mode, the change in potential is made while electrically connecting a node of each memory circuit to a corresponding source line with the corresponding source line having its potential fixed and with the memory circuit having its a switch circuit in a conductive state.

The invention belongs to the technical field of medical instruments, and discloses a novel articular cavity endoscope and a control method thereof. The novel articular cavity endoscope comprises a control case, a cover, a display carried at the mobile phone terminal, a camera, a hose, a power interface, a controller carried at the server, an image acquisition module, an image enhancement module, a network communication module, a central control module, a diagnosis model construction module, a symptom diagnosis module, a data storage module and an update display module. The brightness component of the color medical endoscope image is properly enhanced through the image enhancement module, compared with the original image and the enhanced effect, the contour and details are more prominent, the image is clear, the color is bright, and introduction of excessive image noise is avoided; and an intelligent auxiliary diagnosis deep learning model is generated through the symptom diagnosis module, a focus recognition deep learning model, a lesion auxiliary diagnosis deep learning model and a focus automatic sketching deep learning model are generated through training learning, and the endoscope diagnosis accuracy and efficiency are greatly improved.

The invention relates to an image processing system of digit camera and relative method, wherein said system comprises one delete controller, row-distance prolonging controller, and one effective image interface controller. When the digit image needs to be prolonged, the invention can use row-distance prolonging controller to prolong the output time.

The invention discloses a haze removing method for a single image based on image haze concentration estimate. The method comprises the following steps: 1) inputting a haze image; 2) converting the inputted image from the RGB space into the HSV space; dividing SV channel images and calculating the characteristic vectors of the local blocks; 3) with the target of making the lowest image haze concentration, calculating the initialized optimal atmosphere transmission value for the haze image; 4) using a guide filter to refine the optimal atmosphere transmission value; and 5) calculating the refined optimal atmosphere transmission value, the atmosphere light estimation value as well as the brightness value of each pixel in the haze image to obtain a clear image. According to the invention, through the conversion of image haze removal into the problem of haze concentration minimizing, the atmosphere transmission value can be determined accurately so as to remove the haze as much as possible and to avoid the severe halo formation and image noise in the saturated areas. Not only the haze can be eliminated effectively, but also the halo formation and image noise can be controlled not to rise. Therefore, the method can be applied to different complex weathers.

A lens shading compensation method and device, a storage medium, and a terminal, the method comprising: acquiring an original image and an initial LSC compensation coefficient; acquiring the ambient brightness when the original image was collected; adjusting the initial LSC compensation according to the ambient brightness coefficient, to obtain the adjusted LSC compensation coefficient, wherein the lower the ambient brightness, the greater the compression range of the adjusted LSC compensation coefficient compared with the initial LSC compensation coefficient; according to the adjusted LSC compensation coefficient, the original The image is subjected to lens shading compensation processing to obtain a processed image. The solution of the present invention can dynamically and adaptively adjust the lens shading compensation degree of the original image according to the ambient brightness, so as to appropriately increase the brightness of the surrounding area of ​​the original image while avoiding amplifying image noise in a dark environment and causing the image effect to deteriorate.