Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

131 results about "White area" patented technology

Eye white image acquisition and disease auxiliary diagnosis method and device

The invention relates to the technical field of medical diagnosis, in particular to an eye white image acquisition and disease auxiliary diagnosis method and device, and the method comprises the steps: obtaining a video frame collected by a camera in real time, obtaining eye socket detection frame information in the video frame through a target detection algorithm, and adjusting the three-axis displacement of a motor to be positioned to an eye socket based on the eye socket detection frame information. The method comprises the following steps: completing image acquisition of eye white area maps in five directions, automatically marking abnormal parts, establishing a dynamic coordinate system and a mapping area which take a pupil center as a pole, calculating polar radius and polar angle of polar coordinate parameters, calculating a spatial weight value of mapping abnormity through a distance attenuation function, calculating a comprehensive gain value of the mapping area, and normalizing the comprehensive gain value. Generating an eye white abnormity thermodynamic diagram and performing hierarchical display; according to the invention, eye sockets are automatically positioned, eye white area maps in five directions are adaptively acquired, hierarchical display of eye white abnormity thermodynamic diagrams is realized, batch acquisition of eye white images of patients is satisfied, diagnosis efficiency is improved, and doctors are assisted to complete disease diagnosis.
Owner:UNIV OF SCI & TECH LIAONING

Infrared irradiation point position identification method, system and computer program

The invention discloses an infrared irradiation point position identification method and system, and a computer program. The infrared irradiation point position identification method comprises the following steps: obtaining distortion parameters of an infrared camera; obtaining a homography matrix of the infrared camera for plane calibration; irradiating the infrared light spot on a screen to obtain a screen picture shot by the infrared camera; preprocessing the screen picture to obtain a black-and-white picture; taking a white area in the black-and-white image as an infrared irradiation point, and obtaining coordinates of the infrared irradiation point; and according to the distortion parameter and the homography matrix, converting the coordinate of the infrared irradiation point into the actual coordinate position of the infrared irradiation point on the screen plane. According to the technical scheme provided by the invention, the picture is subjected to black and white processing, interference and noise are removed, and coordinate transformation is carried out by using the camera distortion parameter and the homography matrix, so that accurate actual coordinates can be obtained; and an automatic identification and calibration means is adopted, so that the operation is convenient, the calibration precision is higher, and the ambient light interference resistance is high.
Owner:SHANGHAI MEN TECHNOLOGY CO LTD

Underwater concrete structure apparent defect detection method based on Dark-Retinex model

The invention discloses an underwater concrete structure apparent defect detection method based on a Dark-Retinex model. The method comprises the following steps: acquiring an original image of an underwater concrete structure; processing the original image by using a dark channel defogging algorithm and a Retinex defogging algorithm to obtain a DR image; converting the DR image into a grayscale image and mapping a brightness value of the grayscale image to a new value image; carrying out image binarization on the new value image and reversing the image, so that white pixels in a binary image represent defect parts; marking a connected domain to remove interference information; and extracting apparent characteristic parameters of a white area in the binary image. The method is an image enhancement Dark-Retinex algorithm fusing a dark channel algorithm and a Retinex algorithm, image recovery of underwater concrete structure apparent defects and defect parameter quantitative evaluation are realized, and the apparent defect evaluation precision of underwater concrete structure images is improved.
Owner:SHANDONG HIGH-SPEED GRP SICHUAN LEYI HIGHWAY CO LTD +2

Multi-screen editing and display graphical user interface for electronic devices

1. Name of the product of this design: Multi-screen editing and display graphical user interface for electronic equipment. 2. Purpose of this design product: an electronic device. 3. The key design point of this design product lies in the graphical user interface. 4. The picture or photo that best illustrates the key points of the design: main view. 5. Purpose of the graphical user interface: The interface is used to display the editing preview effect of the desktop, allowing users to select editing items to edit each interface. 6. Human-computer interaction method of the graphical user interface: The main view is the main interface displayed by the electronic device; the user can swipe left and right in the main view to switch the interface to be edited; among them, the white background area in the preview interface is used to display the content screen. The specific interface is shown in the main view reference image.
Owner:HUAWEI DEVICE CO LTD

Adenoid hypertrophy degree classification method

The invention relates to an adenoid hypertrophy degree classification method, which comprises the following steps of S1, collecting a complete nasal endoscope imaging picture of an adenoid and a nasopharyngeal cavity, and preprocessing the imaging picture to obtain an image with a mask; s2, image mask division is carried out on the image to generate a white area and a black area which are complementary, feature extraction is carried out on the two area images, and finally segmentation feature output Fout is obtained; s3, performing comparative learning on the segmentation feature output Fout, and predicting a learning result to obtain a prediction grading result # imgabs0; S4, obtaining a relative area ratio R of the black and white double regions # imgabs1 # and # imgabs2 #; and a weighting method is adopted for # imgabs3 # and R, and corresponding weights are distributed, so that an accurate classification result is obtained. By means of the method, accurate judgment on the hypertrophy degree of the adenoid body can be achieved.
Owner:HUNAN UNIV OF TECH

White balance correction method and system based on eye white region segmentation and color compensation, electronic equipment and storage medium

The invention discloses a white balance correction method and system based on eye white region segmentation and color compensation, electronic equipment and a storage medium, and relates to the field of computer vision, image processing and color correction, and the method comprises the steps: obtaining a portrait image of a user, and carrying out the detection of the portrait image through a face detection model obtained through pre-training, cutting out a face image; through a deep learning eye white segmentation model obtained through pre-training, performing eye white feature learning processing on the human face image cut from the human face image pair, and extracting an eye white region; using an RGB mode and a gray mode to sort pixels in the eye white area, taking out a pixel block closest to white according to a preset middle section percentage, and calculating related parameters of RGB three channels; and generating a white balance image of the final original image according to the RGB three-channel related parameters. According to the method, the visual quality of the image is improved, the color authenticity of the face image is enhanced, and the generated image has a more natural and accurate white balance effect.
Owner:BEIJING JINSHAJIANG TECH CO LTD

Regional adaptive fringe projection three-dimensional measurement method for spectrum separation

ActiveCN119687828AUsing optical meansLabelling algorithmDemodulation
The invention relates to a spectral separation regional adaptive fringe projection three-dimensional measurement method, which comprises the following steps of: projecting transverse and longitudinal sine phase shift fringe patterns to the surfaces of a plurality of measured objects, and acquiring a fringe sequence by using a camera; respectively obtaining an object contour mask and a saturated mask; the coordinates of the white area of the contour mask are converted into the coordinates of a projector, and a projection mask is obtained; obtaining a single object projection mask image by using a connected domain labeling algorithm; setting two groups of mask regions by using the marked regions and the saturated mask to generate a longitudinal sine phase shift fringe pattern with adaptive intensity, sequentially projecting two groups of region fringes to the surface of a measured object, and simultaneously collecting region fringe images of spectrum separation; performing independent phase demodulation and phase fusion on the fringe patterns of different channel colors corresponding to the object, and performing three-dimensional reconstruction according to a fused phase result; according to the method, the measurement efficiency is remarkably improved on the premise of eliminating stripe aliasing interference.
Owner:GUANGDONG UNIV OF TECH

Medical sterilizer sterilization time compensation method and system

The invention discloses a medical sterilizer sterilization time compensation method and system, and the method comprises the steps: S1, collecting and preprocessing an original sterilization image, and obtaining a preprocessed sterilization image; s2, according to the preprocessed sterilization image, calculating to obtain a liquid region segmentation image; then morphological opening operation is carried out, and finally feature extraction is carried out to obtain sterilization image features; s3, liquid target identification is carried out to obtain a liquid target frame set, then liquid target frame elimination is carried out, and finally, binarization processing is carried out on the preprocessed sterilization image to obtain a binarized sterilization image; s4, counting the number of pixels in a white area of the binarized sterilization image, and calculating the liquid volume and the liquid weight; and S5, acquiring the initial sterilization time of the to-be-sterilized object, compensating the sterilization time, and sterilizing the to-be-sterilized object. The medical sterilizer can solve the problem that a traditional medical sterilizer is poor in sterilization effect due to the fact that thermal inertia of liquid is not fully considered.
Owner:JIANGYIN BINJIANG MEDICAL EQUIP

Color identification method and system for allium chinensis and sorting equipment

The invention provides a color identification method and system for allium chinensis and sorting equipment. The method comprises the following steps: acquiring an allium chinensis image; performing background segmentation on the allium chinensis in the allium chinensis image to obtain an allium chinensis segmented image; identifying a white area in the segmented allium chinensis image; and according to the allium chinensis segmented image and the white area, reversely deducing a defect area to obtain a mixed-color area. The method can effectively identify the mixed color area of the allium chinensis, and improves the accuracy of allium chinensis color identification.
Owner:JIANGXI AGRICULTURAL UNIVERSITY

Graphical User Interface for Optimizing Electronic Device Storage

1. Name of the product in this design: Graphical User Interface for Optimized Storage in Electronic Devices. 2. Intended use of this design: electronic equipment. 3. The key design feature of this product is its graphical user interface. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. Design 1 is designated as the basic design. 6. Purpose of the graphical user interface: The graphical user interface of this design is an interactive interface for optimizing vehicle system storage. Design 1's main view is the homepage interface. The vehicle system optimization function displays the date and system score of the last optimization. Clicking "Start Detection" initiates the detection. The absolute path of the detection files scrolls within the folder icon. To the right of the folder icon, a detection progress bar and "Cancel" and "Pause" buttons are displayed, showing Design 1's interface change state diagram 1. In Design 1's interface change state diagram 1, after the detection is completed, the date of this detection and the system score are displayed, along with the "Optimize Now" button, showing Design 1's interface change state diagram 2. In Design 1's interface change state diagram 2, clicking "Optimize Now" initiates the detection and displays the detection progress bar, showing Design 1's interface change state diagram 3. Design 2's main view is the homepage interface. The vehicle system optimization function shows that no junk files were detected since the last test. Users can click "Start Test" to perform a test again. In each view, characters represented by the letter 'X' are replaceable, and the number of 'X's does not limit the number of characters that can be replaced. The white area represents the avatar content.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD

Image data hiding method based on voting strategy to predict pixels

The application discloses an image data hiding method for predicting pixels based on a voting strategy. The application divides a cover image into a gray area and a white area according to the pattern of an international chessboard, and uses the pixels of the white area to predict the pixels of the gray area. Here, the voting strategy is used for the prediction. Then, the application directly uses the predicted gray values to embed multi-bit secret data through a mapping table. When the secret data is recovered at the receiving end, the secret data embedded in the gray pixels can be inquired from the mapping table according to the difference between the received gray area pixel value and the predicted gray area value, so as to extract information. The scheme provided by the application combines the voting strategy with pixel prediction, can significantly improve the secret information embedding capacity, and enables the stego image to have a better visual effect when more information is embedded.
Owner:HANGZHOU DIANZI UNIVERSITY SHANGYU INSTITUTE OF SCIENCE & ENGINEERING CO LTD

Graphical user interface for thermal imager display and network connection

1. The name of this design product: Graphical user interface for display and network connection of thermal imager. 2. Purpose of this design product: The thermal imager is used as a detection instrument for firefighting and emergency rescue. 3. The key design point of this design product lies in the graphical user interface. 4. The picture or photo that best illustrates the design points: an enlarged image of the main viewing interface. 5.Purpose of the graphical user interface: used to display the temperature of the detection environment in real time and to set up network connections for data transmission. 6. Graphical User Interface Status Description: When the main view interface is zoomed in, click the down arrow key (physical key) of the thermal imager to switch to Interface Status Diagram 1 and enter the mode selection interface; then click the left and right arrow keys (physical keys) of the thermal imager to switch to Interface Status Diagram 2; then click the down arrow key on the thermal imager to switch to Interface Status Diagram 3 and enter the wireless transmission mode. The interface will display the name and password of the thermal imager and request to connect to the external device; when the connection is successful, the interface will automatically switch to Interface Status Diagram 4, indicating that the connection is successful and data is being transmitted to the external device. 7. Other situations that require explanation: The white area in the interface is the content captured by the thermal imager in real time, and the content is changeable. The real-time color / grayscale of the objects / environment etc. displayed on the content screen in the white area of the interface is consistent with the color / grayscale corresponding to the temperature value of the temperature scale. The thermal imager automatically identifies the highest and lowest temperature areas and marks their temperature values in the corresponding areas of the interface. The average temperature value displayed on the interface is the average temperature within a certain range covered by the "aiming icon" in the center of the interface; the values and text in the interface are replaceable.
Owner:DRAGER SAFETY AG & CO KAAA

Icons of the graphical user interface for electronic device applications

1. Name of the product in this design: Icon for the graphical user interface of an electronic device application. 2. Purpose of this design: The overall purpose is an electronic device; the partial purpose is to display an application icon for users to click. 3. The key design feature of this product is its graphical user interface. 4. The image or photograph that best illustrates the design's key features: the front view. 5. Purpose of the graphical user interface: Used for application icons, allowing users to launch the application by clicking them. 6. Description of the changing states of the graphical user interface: The main view is the main interface displayed by the electronic device. When the user clicks the application icon in the middle of the interface in the main view, the application function can be launched; the white area outside the application icon in the main view interface is used to display the content screen. 7. Other situations requiring explanation: The enlarged view of part A is an enlarged view of part A in the main view. The dashed lines in the main view indicate the parts that do not require protection.
Owner:WANGYIYOUDAO INFORMATION TECH BEIJING CO LTD

Information code, code generation method, and code reading method

The invention relates to an information code, a code generation method, and a code reading method. The information code (CQ2) is formed by combining a public code (Cd1) and a hiding code (Cd2), which record information by means of the two-dimensional arrangement of the plurality of cells (Ce). The information code (CQ2) includes, in addition to a white unit (Cww) and a black unit (Cbw), a medium white unit (Cwc) and a medium black unit (Cbw). A middle white region surrounded by the outer black region is formed in the middle white cell (Cwc). A middle black region surrounded by the outer white region is formed in the middle black cell (Cbc).
Owner:DENSO CORP

Eye movement tracking sensor

An eye movement tracking sensor of the present invention includes a pixel array formed as an MXN cellular neural network having M pixel columns and N pixel rows, the pixel array including a capture section for capturing image data of an eye image pixel by pixel, and a processor for obtaining binary data for each pixel of the captured image data, and performing an expansion of converting a white region in the eye image into a black pixel and a contraction of converting a black region in the eye image into a white pixel based on the binary data of a predetermined number of adjacent pixels per pixel, thereby providing information of a flash position caused by external light in the eye image.
Owner:AIXIN CO LTD

Cooperative target-based public region extraction method and system for infrared camera array

The application provides a common area extraction method of an infrared camera array based on cooperative targets, cooperative target selection is performed, cooperative targets adopt infrared sources, and the wavelength band of the infrared light generated is in or covers the overlapping part of the corresponding wavelength band of the infrared camera array; cooperative target placement is performed, three cooperative targets are installed on the same plane, the distances among the three cooperative targets are not equal in the image captured by the camera array, and the distance ratios among the three cooperative targets are determined; the infrared camera array simultaneously captures and samples the three cooperative targets, converts the three cooperative targets into black and white images, removes interference noise points, obtains the white areas corresponding to the three cooperative targets respectively, and then obtains three points by calculating the mean values of the connected domain coordinates; the corresponding relationship of the three points in the image is obtained through the different distances among the three cooperative targets, affine transformation is performed, and the image after the affine transformation is traversed according to pixels, and the image overlapping part is cut out as the final common area result.
Owner:WUHAN UNIV

Page display method and related apparatus

Provided in the present application are a page display method and a related apparatus, which are applied to a terminal device. The method comprises: when it is detected that the window size of an application window becomes larger, predicting a window size for when the re-layout of a page in the application window has been completed; estimating the page size of the page on the basis of the window size; and displaying the page on the basis of the page size. Insofar as good responsiveness is guaranteed, when the size of a window changes, a terminal device can predict the size of the window for when the next layout of a page in the window has been completed, and the size of the page during the next layout is then estimated on the basis of the predicted size of the window, such that the size of the page displayed after the next layout of the page is completed can be close to the size of the window, thereby reducing the occurrence of a white or black area on an inner edge of the window and improving the user experience.
Owner:HUAWEI TECH CO LTD

Image forming apparatus

An image forming apparatus includes an image carrier, a charging device, an exposure device, a development device, and a development voltage power supply. The development device includes a development container storing a nonmagnetic one-component developer composed only of a toner, and a developer carrier on which a toner layer is formed on an outer circumferential surface thereof. The development voltage power supply applies a development voltage to the developer carrier. The image forming apparatus alternately forms white regions and exposed regions at a predetermined pitch repeatedly on a surface of the image carrier to form a solid image with an area ratio lower than 100%. Where V0 represents a white-region potential of the image carrier, VL represents an exposed-region potential of the image carrier, Vt represents a toner-layer potential, and Vd represents the development voltage, Vd≤0.5*(V0−VL)+VL−Vt is fulfilled.
Owner:KYOCERA DOCUMENT SOLUTIONS INC

Packaging bag (1)

1. Name of the product in this design: Packaging bag (1). 2. Purpose of this design: This design is used as an outer packaging bag for seeds. 3. The key design feature of this product is its pattern. 4. The image or photograph that best illustrates the design's key features: the front view. 5. This design is a two-dimensional product; other views are omitted. 6. Other situations requiring explanation: The white area in the center of the back is transparent.
Owner:GUANGDONG PROVINCE FINE BREED INTRODUCTION SERVICE CO

Image fusion method and device, storage medium and electronic device

The application relates to the technical field of image processing, and provides an image fusion method and device, a storage medium and an electronic device. The image fusion method comprises the following steps: acquiring a plurality of first-type images, the exposure compensation values of the first-type images are all different, and the exposure compensation values of at least two of the first-type images are non-positive numbers; calculating a first-type weight image between each two adjacent first-type images; calculating a highlight image corresponding to each first-type image with a non-positive exposure compensation value; calculating a real highlight image containing a highlight region and / or a white region according to each two adjacent highlight images; correcting a weight value in the corresponding first-type weight image by using the real highlight image; and performing weighted fusion on the plurality of first-type images by using at least the corrected first-type weight image, so as to obtain a final fusion image. The method can effectively improve the problem of grayness in the high-luminance region or the white region of the fusion image, and improve the quality of the fusion image.
Owner:BEIJING JIGAN TECH CO LTD

Ice cream packaging box (Floating Cloud Series)

ActiveCN309467071SColored whiteIce cream
1. The name of this design product: Ice cream packaging box (Floating Cloud Series). 2. Purpose of this design product: used for product packaging. 3. The key design points of this product are the combination of shape, pattern and color. 4. The picture or photo that best illustrates the key points of the design: Main view of Design 1. 5. The design for which protection is sought includes color. 6. Designate Design 1 as the base design. 7. Other situations that require explanation Other explanations: The square white areas in the main views of Design 1 and Design 2 are both made of transparent materials.
Owner:SHENYANG ZHONGJIE FROZEN NOVELTIES FOOD CO LTD

Music playback graphical user interface for electronic devices to improve sleep

1. Name of the product of this design: A music playing graphical user interface for an electronic device that improves sleep. 2. Purpose of the product of this design: an electronic device. 3. The design highlights of this appearance design product lie in the interface content of the graphical user interface. 4. The picture or photo that best illustrates the key points of the design: main view. 5. Purpose of Graphical User Interface: It is used to display the interaction of music playing. 6. The main view is the initial operation interface. The user clicks on "Experience Now" in the main view to enter the changing state diagram 1; clicks on the "Relaxation Mode" button at the top of the changing state diagram 1 to enter the changing state diagram 2; clicks on the "Midnight Flow Mode" button at the top of the changing state diagram 2 to display the changing state diagram 3. The white area in the center of the main view interface is the content screen.
Owner:XIN-HUANGPU JOINT INNOVATION INST OF CHINESE MEDICINE

A magnetic reed liquid level meter identification method

The application discloses a kind of magnetic flap liquid level meter identification methods, it is related to image recognition technical field, comprising the following steps: obtaining the original image containing magnetic flap liquid level meter;Improved target detection algorithm is constructed, and the original image is corrected based on improved target detection algorithm to obtain the corrected image, and the position coordinate information of magnetic flap liquid level meter is obtained;Extract ROI image only containing magnetic flap liquid level meter area in corrected image;ROI image is converted into HSV color space image, and the HSV space threshold value for segmenting ROI image is obtained according to magnetic flap liquid column area;According to the binary image containing liquid column, the minimum circumscribed rectangle of white area in binary image is extracted, the position information relative to ROI image coordinate system is obtained according to minimum circumscribed rectangle, and the actual liquid column height of magnetic flap liquid level meter is obtained.
Owner:XIAN ANCN INTELLIGENT INSTR +1

Sticker (Big Lemon)

1. The name of this design product: Label (Big Lemon). 2. Purpose of this design product: used as a label. 3. The design key points of this appearance design product are the combination of shape, pattern and color. 4. The picture or photo that best illustrates the key points of the design: Main view of Design 1. 5. The design for which protection is sought includes color. 6. Design 1‑5 is a flat product and there are no design highlights on the back, so other views are omitted. 7. Designate Design 1 as the base design. 8. Other situations that require explanation: The white area in the main view of Design 1‑5 is transparent.
Owner:NONGFU SPRING CO LTD

Nucleic acid detection graphical user interface for electronic devices

1. The name of the design product: nucleic acid detection graphical user interface for electronic device. 2. The use of the design product: for an electronic device. 3. The design points of the design product: in the graphical user interface content. 4. The picture or photo that best indicates the design points: interface change state diagram. 5. The use of the graphical user interface: for showing the operation interface of the nucleic acid detection system. 6. The human-computer interaction mode of the graphical user interface: the main view is the login interface; after entering the login information in the main view and clicking "login", enter the interface change state diagram. 7. Other circumstances that need to be explained: the white area marked with LOGO in each view is used to display the product logo or manufacturer's logo.
Owner:GUANGZHOU WONDFO BIOTECH

Phase shift mask for preventing light leakage and application method thereof

The invention relates to the technical field of phase shift mask production, and discloses a phase shift mask capable of preventing light leakage, the mask comprises a plurality of main pattern areas, a scribing channel area and a light leakage protection area, each main pattern area comprises a white area and a pattern area, the scribing channel area comprises a transparent substrate, a partial light transmission layer and a light-proof blocking layer from bottom to top in sequence, and the light leakage protection area comprises a transparent substrate, a partial light transmission layer and a light-proof blocking layer. The light leakage protection area is arranged on the outer layer of the outermost cutting channel of the scribing channel area so as to form light leakage protection on the mask. The invention also provides an application method of the phase shift mask for preventing light leakage. According to the invention, the phase shift mask plate is improved and designed, the light leakage protection areas are introduced, the protection range is expanded on the outer layer of the original peripheral cutting channel, the light leakage protection areas of the adjacent eye mask plates are overlapped so as to complement the original deviation problem, and the edge of the peripheral cutting channel is free from light leakage and light resistance residue during exposure.
Owner:HEJIAN TECH SUZHOU