31 results about "Endoscopic imaging" patented technology

The present application belongs to the technical field of endoscope and image processing, and in particular to an endoscope image anti-shake method based on motion vector compensation, comprising the following steps: collecting a sequence of continuous video frames, performing stability screening on the initial feature point set, eliminating unstable feature points located in the edge region, high light reflection region and low contrast region of the image to form a reliable feature point set, performing robust estimation processing on the original motion vector set based on the matched feature points in the reliable feature point set to generate a stabilized output frame, wherein the remapping adopts a bilinear interpolation algorithm; by constructing a closed-loop anti-shake system taking local feature motion vectors as input, spatio-temporal domain joint filtering as core and sub-pixel remapping as output, high-precision separation and compensation of high-frequency micro-shaking in endoscope imaging are realized without introducing additional mechanical structures.

This invention relates to an illumination module, an endoscopic imaging system, an endoscope, and an imaging method thereof. The illumination module includes a light source assembly and a filter assembly. The light source assembly includes a first light source, a second light source, and a control element, the control element being used to control the light emission from the first and / or second light sources. The filter assembly includes a switching element, a first filter, and a second filter, the first and second filters alternating circumferentially along the switching element; the switching element is used to rotate to selectively place the first and second filters on the light emission path of the light source assembly, the first filter allowing light emitted from the first light source to pass through while blocking light emitted from the second light source, and the second filter allowing light emitted from the second light source to pass through while blocking light emitted from the first light source. In this illumination module, the illumination of the object under test by the first and second light sources is separated, which facilitates individual optimization processing of the images formed by the first and second light sources, thereby improving image quality.

The present invention relates to the technical field of endoscopic imaging, and in particular to an endoscopic imaging system and a control method therefor. In the solution of the present application, first, a light source module emits first visible light and / or second visible light on the basis of a control instruction, and an image processing module controls a brightness ratio of the first visible light to the second visible light when irradiating a target tissue, so that the target tissue generates reflected light after irradiated by the first visible light and the second visible light; then, an image sensor of a camera module receives the reflected light, and generates a three-color response signal on the basis of the reflected light; and finally, the image processing module processes the three-color response signal to obtain a corresponding image and output the corresponding image. The described solution of the present application effectively solves the problem of low recognition of target tissue images in existing endoscopic imaging.

Systems and methods for an endoscope system are described. The endoscope system can include a processing apparatus including a processor including hardware. The processor can acquire structure data of an organ, acquire an endoscope image from an imager of an endoscope, and acquire an ultrasonic image from a probe of the endoscope. The processor can automatically control a probe position of the endoscope based on the structure data and the distal end position information of the endoscope in a first control mode, and automatically controls the probe position based on the ultrasonic image in a second control mode.

The application discloses a bladder cancer diagnosis and treatment integrated system and a control method thereof, which comprises a swept-frequency OCT light source, a treatment laser, a wavelength division multiplexer, a double-clad optical fiber, a flexible scanning probe, an endoscope imaging unit and an intelligent image processing and control terminal; imaging light and treatment laser are transmitted in a common light path by using the double-clad optical fiber, and scanning and light beam control are completed by means of a double-axis MEMS micro-mirror. The control method obtains tomographic structure information and depth information by reconstructing OCT data, and controls treatment laser power, galvanometer deflection and laser pause, recovery or stop by combining distance calculation, displacement compensation and blood perfusion monitoring, and is suitable for imaging navigation and closed-loop treatment in bladder cancer surgery.

Provided herein are methods for the surgical removal of lung cancer tissue using CXL, a near-infrared fluorescent imaging agent. This approach involves administering a pharmaceutical composition containing CXL intravenously to a patient, detecting a fluorescence signal emitted from lung cancer tissues, and surgically excising the identified cancerous tissue. Administration doses may range from about 0.001 mg / kg to about 0.10 mg / kg, occurring between up to 4 days and about 1 hour before imaging. The method supports endoscopic imaging and surgeries, including thoracoscopic lung tissue resection, intraoperative visualization, and histopathological evaluation to confirm tissue removal. Exclusion criteria cover hypersensitivity history, renal impairment, and specific laboratory markers exceeding defined limits.

The application discloses a kind of multi-mode optical fiber slow ring scanning endoscopic imaging method and device, comprising: long-term implant, pluggable imaging probe and driving mechanism;The long-term implant is rigid transparent tube with bottom end sealed and upper end opened, for forming long-term indwelling guide channel in organism and preventing body fluid from entering lumen;The pluggable imaging probe includes optical fiber and lateral emission element fixed to the end of optical fiber, can be inserted and extracted long-term implant, and obtains the lateral imaging signal of peritubular tissue when being inserted;The driving mechanism is used to drive the imaging probe to generate rotary motion around its own axis and reciprocating displacement along the axial direction, form slow ring scanning scanning track, realize large field of view lateral imaging of peritubular tissue.The application can provide more reliable imaging means for biomedical research and minimally invasive diagnosis and treatment, and is suitable for repeated, stable and large field of view lateral imaging observation of deep tissue in animal brain tissue and other organisms.

This invention provides a detachable coaxial assembly and adjustment device and method for a scanning fiber optic cantilever, belonging to the field of optical endoscopic imaging technology. It includes an auxiliary assembly and adjustment structure and a piezoelectric scanning structure. The auxiliary assembly and adjustment structure includes an outer sleeve, a ceramic ferrule, and an inner sleeve. The piezoelectric scanning structure includes an optical fiber, a coupler, a piezoelectric ceramic tube, and a piezoelectric ceramic tube base. One end of the outer sleeve is fitted to and glued to the outer diameter of the ceramic ferrule, and the other end of the outer sleeve is fitted to the outer diameter of the inner sleeve. The inner sleeve can slide axially within the outer sleeve. A viewing window structure is provided on the outer sleeve. The inner hole of the ceramic ferrule is fitted to the outer diameter of the optical fiber. The inner diameter of the inner sleeve is fitted to the outer diameter of the boss on the piezoelectric ceramic tube base. The inner diameter of the inner sleeve is larger than the outer diameter of the piezoelectric ceramic tube, and the inner sleeve and the piezoelectric ceramic tube do not contact each other. This invention, using the above-mentioned detachable coaxial assembly and adjustment device and method for a scanning fiber optic cantilever, solves the problem that high-precision coaxial constraints are required during the assembly and fixing stage of the scanning fiber, while no additional constraints are required during the working stage.

The present invention provides an image processing device, an endoscope system, an image processing method, and a program that enable oxygen saturation imaging with correction for in-plane unevenness caused by imaging system factors in endoscopes. [Solution] The image processing device according to this disclosure acquires a first spectral image obtained by imaging a living organism irradiated with a first light using an endoscope, acquires a second spectral image obtained by imaging a living organism irradiated with a second light having a different wavelength band from the first light using an endoscope, corrects the brightness distribution of the first spectral image with first correction data stored in advance in association with the endoscope, outputs an image showing the distribution of oxygen saturation of blood in the living organism from the corrected first spectral image and the second spectral image, and calculates the first correction data using a first reference spectral image obtained by imaging a reference region with a known brightness distribution using an endoscope and the brightness distribution of the reference region.

This invention discloses a cardiac observation endoscope, belonging to the field of medical device technology. It addresses the problem of patient bodily fluids affecting the clarity of endoscopic imaging. The endoscope includes a control handle with a connecting rod mounted on it. An imaging module is mounted on the end of the connecting rod furthest from the control handle. The connecting rod is slidably connected to a connecting shell, and the end of the connecting shell furthest from the control handle is detachably connected to and communicates with a mounting shell. A fluid-filled sac is disposed within the mounting shell. Two symmetrically distributed guide tubes are fixed to and communicated with the connecting shell. The two guide tubes jointly control the volume of the fluid in the sac. This invention injects physiological saline into the sac, causing it to expand under pressure. During expansion, the sac actively displaces bodily fluids and tissue debris around the observation area, reducing the obstruction and scattering of the imaging light path by bodily fluids, thus providing a transparent observation window for the image sensor.

A medical system includes a processor. The processor is configured to calculate a presence probability of a lesion in a not-yet-observed region inside a hollow organ of a patient, the not-yet-observed region being specified on the basis of an image that has been captured by an imaging sensor of an endoscope inside the hollow organ, and spatial disposition information of a distal end of an insertion part of the endoscope.

This invention discloses a full-mouth maxillofacial oral macroscopic imaging device and a panoramic dental endoscopic imaging method, belonging to the field of oral medical technology. It includes: a tray; a U-shaped locator, positioned on one side of the tray to open the lips and position the teeth; a handle located on the side of the U-shaped locator away from the opening and fixedly connected to it; multiple macro cameras located on the opening side of the U-shaped locator and arrayed on the tray for capturing images of the teeth; and a button on the handle to control the on / off operation of the multiple macro cameras. This invention meets almost all the requirements of full-mouth maxillofacial oral photography, reduces the need for specialized personnel, allows ordinary people to easily operate it, and frees up medical personnel to spend more time on treatment.

The application provides a super-structured optical fiber for generating a spindle beam and an optical acoustic endoscopy imaging system, the super-structured optical fiber comprising a fiber body and a super-structured optical structure arranged at an exit section of the fiber body, the super-structured optical structure comprising an optical expander and a super-structured structure array arranged at the end of the optical expander; the super-structured structure array is periodically arranged by super-structured units in a sub-wavelength scale, and the super-structured unit is in the form of a regular quadrangular prism; by clear phase modulation and parameter optimization, the super-structured optical structure is integrated at the end face of the fiber body, the emission light wave front is accurately regulated, a long focal depth spindle beam is obtained under the condition of a limited aperture and a compact structure, and the problem that the focal depth is limited in optical acoustic endoscopy imaging is effectively relieved; based on the combination of Bessel beams and the lateral spot size, the application maintains a high lateral resolution ability while extending the focal depth, avoids the defect that the resolution is significantly reduced in the traditional zooming scheme, and improves the imaging consistency and the signal-to-noise ratio.

The application provides an endoscope imaging method and system, an imaging method and device, and an electronic device. The system comprises: a white light illumination module for obtaining standard white light to illuminate a target tissue of an endoscope; a beam splitting module for splitting reflected light of the white light into a first light beam and a second light beam; a white light imaging processing module for obtaining a standard white light image using the first light beam; simultaneously, a hyperspectral imaging processing module for collecting a hyperspectral image using the second light beam, and selecting two or more narrowband images with a center wavelength difference reaching a preset difference from a plurality of narrowband images of the hyperspectral image; and, based on at least any two narrowband images of the two or more narrowband images, promoting and inhibiting mechanism fusion and color channel combination are performed to generate a false color image; and an image display module for displaying the standard white light image, the hyperspectral image, and the false color image, so as to realize real-time examination of the endoscope.

This utility model discloses a non-destructive testing device for existing bridge foundation piles, comprising a pre-embedded transparent sonic logging tube and a detector. The transparent sonic logging tube is embedded in the foundation pile at the bottom of the pile cap, and an inlet communicating with the transparent sonic logging tube is provided on the pile cap. The detector includes a cable, an endoscope probe, and an ultrasonic probe. The cable is connected to the endoscope probe and the ultrasonic probe, and the detector is inserted into the transparent sonic logging tube through the inlet. This utility model, by providing an inlet on the pile cap and designing the sonic logging tube to be transparent, and by combining an endoscope probe and an ultrasonic probe with the detector, can continuously perform imaging inspection of the foundation pile concrete. Furthermore, the sonic logging tube is not concealed or covered after the pile cap construction is completed, and can continue to be used for long-term, continuous acoustic transmission testing and endoscopic imaging inspection through the inlet and the sonic logging tube.

A method for medical imaging, the method including receiving light from a scene at a camera assembly that comprises at least one reflecting optical element and an imaging sensor assembly; reflecting light received by the camera assembly from the scene toward the imaging sensor assembly via the at least one reflecting optical element, wherein reflecting the light causes the scene to be at least one of inverted and reverted at the imaging sensor assembly; focusing the reflected light onto the imaging sensor assembly with at least one focusing optical element; transmitting image data generated from the focused light from the imaging sensor assembly to a camera controller; and generating by the camera controller a non-inverted and non-reverted image of the scene from the data generated by the imaging sensor assembly.

This invention belongs to the field of endoscopy technology, specifically an endoscopy image blind spot detection and 3D reconstruction system, including an endoscopy imaging module, a posture perception module, a blind spot dynamic detection module, a reliable completion module, and a 3D surface reconstruction module. It constructs a visible volume model through ray projection to identify blind spots, integrates prior knowledge of cavity anatomy with Poisson surface interpolation for reliable completion, and combines a topological rationality discriminator and photometric consistency feedback to achieve dual verification, ultimately generating a complete and geometrically consistent 3D model.

Provided are an endoscopic imaging apparatus and method, an electronic device, and a storage medium, which relate to the technical field of image processing. The apparatus comprises: a lighting module (101), configured to provide a lighting source and comprising a plurality of narrowband light sources of different colors, the plurality of narrowband light sources containing main spectral bands that constitute white light; an imaging module (102), configured to image reflected light after the lighting module (101) irradiates a target part of a patient, so as to acquire an RGB image; and a processing module (103), configured to decompose the RGB image into a white light image and a plurality of non-white light narrowband images, and to fuse, after enhancement processing is performed on the plurality of non-white light narrowband images, the plurality of non-white light narrowband images with the white light image to acquire a narrowband-enhanced target image, wherein the plurality of non-white light narrowband images respectively represent information formed in different tissue sites absorbing narrowband light of different wavelengths. In this way, on the basis of the full narrowband lighting source and the image decomposition-enhancement-fusion technology, the visual perception of white light tones is taken into account while ensuring that the imaging highlights details of the lesion.

The application discloses a kind of digestive tract optical coherence tomography and endoscope dual-mode imaging device and detection system;The device includes OCT in-vitro optical path module and dual-mode capsule probe.Dual-mode capsule probe is connected with OCT in-vitro optical path module by signal transmission line with optical fiber core line inside.Dual-mode capsule probe includes capsule shell, dichroic mirror, OCT acquisition module, endoscope imaging module and rotating drive component.OCT acquisition module includes lens support, beam collimator, achromatic lens, liquid lens and aspheric lens.The application is tilted in the inner cavity of capsule probe Middle part dichroic mirror, the near-infrared light and visible light reflected in the same position in digestive tract at the same time are separated after being separated respectively to OCT acquisition module and endoscope imaging module;So that the OCT image and endoscopic image of the same position in digestive tract are simultaneously collected, to facilitate the comprehensive analysis of digestive tract pathological condition.

A method may comprise detecting an event and determining a location of the event with respect to a frame of reference. The method may also comprise determining that the location of the event is outside a field of view of an endoscopic imaging system and displaying, within the field of view of the endoscopic imaging system, a directional indicator indicating a direction of the location of the event outside the field of view.

An adapter for connecting an endoscope to a video processor comprises a housing extending between a first end portion and a second end portion, a first connector located at the first end portion, the first connector comprising a standardized computer peripheral connector, and a second connector located at the second end portion, the second connector comprising a non-standardized computer peripheral connector. A method for communicating signals between an endoscope and an imaging system of an endoscope 2024 / 102619 system comprises connecting the endoscope to a first connector of a conversion adapter, the first connector comprising a standardized computer periphery connector, connecting the imaging system to a second connector of the conversion adapter, the second connector comprising a non-standardized computer peripheral connector, and transmitting a communication signal from the imaging system to the endoscope through the first connector and the second connector.

Endoscopic imaging systems are disclosed herein. In some embodiments, an endoscopic imaging system can include an endoscope having a distal tip with a distal face configured to face a scene, such as a portion of a body cavity of a patient. The endoscope can further include first cameras for capturing first image data of the scene, a projector for projecting a light pattern into the scene, and second cameras for capturing second image data of the scene including the light pattern. A processor can be communicatively coupled to the first and second cameras for receiving the first and second image data. The processor can process the first and second image data to generate an image of the scene at the perspective of a virtual camera, and can vary the perspective, the aperture, the focus plane, and / or another parameter of the virtual camera without requiring the endoscope to be physically moved.

The application provides an optical endoscopic imaging system based on a ring-shaped ultrasonic array, and the optical endoscopic imaging system based on the ring-shaped ultrasonic array comprises an acoustic assembly, an optical assembly and an endoscope, wherein: the optical assembly comprises a first laser fiber, a second laser fiber and a third laser fiber with different wavelengths, the first laser fiber, the second laser fiber and the third laser fiber are connected with a control unit, the acoustic assembly comprises an ultrasonic transceiver device and an ultrasonic transducer assembly; the endoscope comprises an endoscope camera and a protective tube, the first laser fiber, the second laser fiber and the third laser fiber are arranged in the protective tube, the endoscope camera is arranged on one side of the protective tube, the ultrasonic transducer assembly is arranged on the outer side of the protective tube, the ultrasonic transducer assembly is connected with the ultrasonic transceiver device, and the complementary characteristics of the structure and the function of the light and the sound are utilized to realize lateral multidimensional imaging and different types of image imaging at the same time, so that the diagnosis efficiency and the accuracy are improved.

Systems, devices, and methods for determining or adapting an imaging mode for use in examining tissue or foreign bodies during an endoscopic procedure are disclosed. An exemplary endoscopy system comprises an endoscope and a control circuit. The endoscope includes an imaging system for acquiring images or video data streams of a target anatomy during an endoscopic procedure. The control circuit can generate endoscopic image or video features from the acquired images or video data streams that characterize an anomaly in the target anatomy and determine a personalized, pathology-specific imaging mode to improve the detectability of the anomaly from the images or video data streams. The recommended imaging mode can be determined using a trained machine learning model.The recommended imaging mode can be provided to a user or process to facilitate manual or automatic adjustment of the endoscopic imaging mode during the endoscopic procedure.

1. The name of the design product: ultrasonic diagnostic apparatus for endoscope. 2. The use of the design product: used for completing ultrasonic examination with endoscope imaging system. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view 1.

In general, devices, systems, and methods for multi-source imaging are provided. In one embodiment, a surgical method includes visualizing, with a first imaging system, a first side of a tissue wall during performance of a surgical procedure, and visualizing, with an endoscopic imaging system, a second, opposite side of the tissue wall during the performance of the surgical procedure. The first imaging system and the endoscopic imaging system are unable to directly visualize each other, and the first imaging system and the endoscopic imaging system are operatively coupled together. The method also includes guiding a first surgical instrument based on the visualization provided by the first imaging system and the visualization provided by the endoscopic imaging system, and guiding a second surgical instrument based on the visualization provided by the endoscopic imaging system and based on the visualization provided by the first imaging system.

The application relates to an image fusion method and device, computer equipment and a readable storage medium. The method comprises the following steps: acquiring a visible light image and a fluorescent image; determining an overexposure area in an overlapping area of the visible light image and the fluorescent image; filtering the overexposure area to obtain a to-be-fused fluorescent image; and fusing the to-be-fused fluorescent image with the visible light image to obtain a target image. By determining the overexposure area in the overlapping area of the visible light image and the fluorescent image and filtering the overexposure area to obtain the to-be-fused fluorescent image, the exposure area in the to-be-fused fluorescent image can be effectively processed. After the to-be-fused fluorescent image is fused with the visible light image to obtain the target image, the imaging quality of the target image is improved, the effective information in the collected image can be more accurately acquired, the possibility of misjudgment of a lesion caused by low imaging quality is further reduced, and the accuracy of disease diagnosis based on endoscope imaging is improved.

The application discloses a medical light source method for self-adaptive adjustment of output brightness, a host and a system, and relates to the technical field of medical endoscope imaging and illumination control. The method comprises the following steps: collecting a current frame image in real time; performing brightness feature analysis on the current frame image, and calculating an effective brightness value of a current scene; generating a brightness control signal based on the difference between the effective brightness value and a preset target brightness value; and sending the brightness control signal to a light source device to drive the light source device to adjust the output brightness. The application solves the problem of inaccurate light measurement caused by high light interference and the risk of overexposure in a wall-adhering scene, and realizes the accuracy and stability of brightness adjustment.