Abstract: A scanning apparatus (110), a medical image obtaining method, and a medical image obtaining system (100) are provided. The scanning apparatus (110) comprises a gantry, a controller, a C-shaped arm, a radiation source (112), and a detector (113). The radiation source (112) and the detector (113) are arranged at both ends of the C-shaped arm. The C-shaped arm is connected to the gantry. The controller is configured to control a motion of the gantry to drive the C-shaped arm to move so as to scan a target object.

Abstract: The present disclosure provides a system and method for image processing. The method may include obtaining multiple projection images of a subject acquired by an imaging device from multiple view angles; generating an initial slice image of the subject by image reconstruction based on the multiple projection images; determining, based on the multiple projection images, a target out-of-plane artifact of the initial slice image; and generating a corrected slice image by correcting the initial slice image with respect to the target out-of-plane artifact.

Abstract: The present disclosure relates to a method for generating an image. The method may include obtaining a preliminary image of an object. The method may include determining a plurality of point radiation sources of at least one array radiation source at least partially based on an ROI of the object. The method may include determining at least one scanning parameter associated with the plurality of point radiation sources based on the preliminary image. The method may include causing the plurality of point radiation sources to emit radiation beams to the ROI to generate scan data relating to the ROI based on the at least one scanning parameter. The method may include obtaining scan data relating to the ROI. The method may further include generating a target image of the ROI based on the scan data relating to the ROI.

Abstract: A method may include obtaining an original image. The method may also include determining a plurality of decomposition coefficients of the original image by decomposing the original image. The method may also include determining at least one enhancement coefficient by performing enhancement to at least one of the plurality of decomposition coefficients using a coefficient enhancement model. The method may also include generating an enhanced image corresponding to the original image based on the at least one enhancement coefficient.

Abstract: The present disclosure relates to systems, methods, computing devices, and storage media for medical examination. The medical examination system comprises: a breathing guiding apparatus configured to guide a breathing of a subject; an imaging device configured to scan the subject; and a controller coupled to the breathing guiding apparatus and configured to cause the breathing guiding apparatus to generate a breath guiding state for guiding the breathing of the subject.

Abstract: The present disclosure relates to systems and methods for image splicing. The systems and methods may acquire a first image and a second image, determine a plurality of first feature points in a first region of the first image, determine a plurality of second feature points in a second region of the second image, then match the plurality of first feature points with the plurality of second feature points to generate a plurality of point pairs. Based on the plurality of point pairs, a third region on the first image and a fourth region on the second image may be determined. Finally, a third image may be generated based on the first image and the second image, wherein the third region of the first image may overlap with the fourth region of the second image in the third image.

Abstract: Provided is an electronic device. The electronic device includes a screen provided with a first polarizer, a second polarizer arranged below the screen, and an optical fingerprint identification module arranged below the second polarizer. The polarization direction of the first polarizer is the same with the polarization direction of the second polarizer. The first polarizer and the second polarizer are configured to filter a first optical noise. The second polarizer is configured to filter a second optical noise. The first optical noise is light from screen light of the screen and directing to the optical fingerprint recognition module. The second optical noise is light from the screen light, directing away from the optical fingerprint recognition module and reflected by a glass cover on an outer side of the screen.

Abstract: A display screen assembly is provided. The display screen assembly includes a display screen, a first light source, a light conducting member, a receiving element, and a processor. The display screen includes a display region for displaying images and a non-display region surrounding the display region. The light conducting member faces the display region. At least one first light source faces at least one surface of the light conducting member. The at least one first light source is configured to emit a detection signal to the light conducting member. The light conducting member is configured to diffuse the detection signal to allow the detection signal to pass through the display region, to interact with a detection object to form a target signal. The receiving element is disposed in the display region and configured to receive the target signal.

Abstract: An electronic device, including: a display panel, including a fingerprint recognition region, the fingerprint recognition region including a central region and an edge region surrounding the central region; an optical sensor, configured to collect a fingerprint image of a target object and including a plurality of photosensitive units, wherein a projection of the optical sensor on the display panel along a direction perpendicular to the display panel is within the fingerprint recognition region; and a controller, configured to control photosensitive performance of at least one photosensitive unit corresponding to the edge region to be better than photosensitive performance of at least one photosensitive unit corresponding to the central region.

Abstract: A display screen frequency conversion method and a terminal (1100). The method is applied to a DDIC chip of an OLED display screen, including: initializing display screen parameters according to a first refresh rate; in response to receiving first image data sent by an AP, performing an image scanning according to the first refresh rate; in response to not receiving second image data sent by the AP within a preset delay duration of a VFP corresponding to the first refresh rate, adjusting the first refresh rate to a second refresh rate; wherein the second refresh rate is less than the first refresh rate; and adjusting the display screen parameters according to the second refresh rate.

Abstract: The present disclosure provides a method for automated image acquisition and imaging processing. The method may include obtaining imaging information of an object. The method may include determining, based on the imaging information, at least target device positioning information of an imaging device. The method may include causing, based on the target device positioning information of the imaging device, the imaging device to be positioned to perform the image acquisition. The method may include providing, based on the inspection information, guidance information, the guidance information being configured to guide positioning of the object. The method may also include obtaining a target image from an imaging operation by the imaging device. Further, the method may include determining a target image processing algorithm of a medical image.

Abstract: A method and apparatus for controlling a display frequency of a display screen, and an electronic device are provided. The method includes: (S101) determining, in a command mode in response to no image data being transmitted to the display screen by an application processor currently, whether the display screen is in a self-refreshing state; (S102) transmitting, in response to the display screen being in the self-refreshing state, notification information to the application processor after self-refreshing of the display screen is completed, the notification information being used for notifying the application processor to transmit the image data to the display screen; and (S103) receiving the image data transmitted by the application processor, and updating the display frequency with a first frequency at which the application processor transmits the image data.

Abstract: A method may include obtaining a breast image of an object that is acquired by an imaging device; determining a projection curve based on the breast image; determining a first valley point and a second valley point of the projection curve; determining a peak point of the projection curve based the first valley point and the second valley point of the projection curve; determining a first valley location, a second valley location, and a peak location in the breast image based on the peak point, the first valley point, and the second valley point of the projection curve; and determining a breast region in the breast image based on the first valley location, the second valley location, and the peak location.

Abstract: A display screen and an electronic device are provided. The display screen includes a metal anode layer, a semi-transparent cathode layer, and a pixel unit layer. The metal anode layer includes multiple metal anodes arranged at intervals. The semi-transparent cathode layer includes multiple semi-transparent cathodes. The pixel unit layer is sandwiched between the metal anode layer and the semi-transparent cathode layer. The pixel unit layer includes multiple pixel units arranged at intervals. Each pixel unit is located between a corresponding metal anode and a corresponding semi-transparent cathode. The display screen has a preset region, and in the preset region of the display screen, the semi-transparent cathode layer further includes a light-shielding portion and light-transmitting regions surrounded by the light-shielding portion. The light-shielding portion is connected with the multiple semi-transparent cathodes.

Abstract: An under-screen fingerprint module for an electronic device is provided. The electronic device includes a screen defining a preset area and arranged with a first polarizer to filter first optical noise, and a back cover; the fingerprint module being arranged between the two. At least part of a vertical projection of the preset area on the back cover and that of the fingerprint module are overlapped. The fingerprint module includes a second polarizer to filter the first optical noise as reflected light of first light being part of emitted light of the screen and irradiated along a direction perpendicular to the screen and away from the back cover. A polarization direction of the second polarize and the first polarizer are same. The second polarizer is further configured to filter second optical noise as second light being part of the emitted light and irradiated along a direction towards the back cover.

Abstract: Disclosed are a testing apparatus and a testing method. When the testing apparatus is used to test a sample (11) to be tested, a first detection apparatus (21) and a second detection apparatus (22) can be switched by means of an objective lens switching apparatus (20), so as to acquire height information and structure information of the sample (11) to be tested. In the process, the sample (11) to be tested does not need to be transferred between testing apparatuses, thus, not only is pollution potentially created in the process of transferring the sample (11) to be tested avoided, and the probability of the sample (11) to be tested being polluted in the testing process reduced, but also a region to be tested of the sample (11) to be tested does not need to be determined repeatedly, improving the testing speed for the sample (11) to be tested.

Abstract: A detection device, a detection apparatus, and a detection method are provided. The detection device includes a detection assembly and a driving assembly. At least two rows of detection units are provided, and the detection units are arranged in a matrix along the first direction and the second direction. During detection, the driving assembly may drive one or both of the to-be-detected object and the detection assembly to move along at least one of the first direction and the second direction, so that the detection units scan different areas of the surface of the to-be-detected object, thereby realizing a scanning of the entire surface. That is, the scanning of the surface of the to-be-detected object is completed by using multiple detection units, which improves detection efficiency for the to-be-detected surface, and realizes a relatively high imaging quality.