352 results about "Endoscopic imaging" patented technology

The invention relates to the technical field of medical instruments, and discloses a laparoscope and digestive endoscope combined positioning measurement system and method.The method comprises the steps of positioning mark initialization, image feature analysis, instrument path planning, dynamic positioning calibration, operation integrity evaluation and the like. Spatial matching is realized by setting multiple types of positioning marks and utilizing optical reflection signals, noise reduction and feature extraction are performed on endoscope imaging data to generate a measurement area boundary, an operation path is planned in combination with anatomical path information, the tail end position of an instrument is calibrated in real time, and operation integrity is evaluated. The system comprises a positioning module, an analysis module, a correction module and an integration module which are respectively used for realizing the functions of positioning mark setting, image processing and path generation, offset correction and operation evaluation. According to the system, the operation positioning precision and the operation safety are improved, intellectualization and precision of minimally invasive surgery are achieved, and the system is suitable for minimally invasive treatment of digestive system diseases.

The invention discloses a lateral transceiving integrated optical fiber ultrasonic endoscope and a preparation method, and belongs to the field of ultrasonic endoscopic imaging. Comprising a double-clad optical fiber, an excitation film, a dielectric mirror and a sensing film. A part of the inner cladding of the optical fiber is etched into a concave spherical surface and coated with an excitation film, excitation light transmitted in the inner cladding is absorbed, and focused ultrasonic waves transmitted in the lateral direction are excited. A part of an inner cladding layer and a fiber core of the optical fiber are etched, and a Fabry-Perot (Fabry-Perot, F-P) cavity is prepared. When an ultrasonic signal laterally transmitted into the ultrasonic endoscope acts on the sensing film of the cavity, the effective refractive index and the F-P cavity length of the sensing film are changed, and the change is demodulated through signal light in the fiber core to complete ultrasonic detection. According to the lateral transmitting-receiving integrated optical fiber ultrasonic endoscope, the inner cladding is etched and coated with the excitation thin film to excite laterally focused ultrasonic waves, an F-P cavity is formed through lateral etching of the optical fiber to achieve lateral ultrasonic detection, and the lateral transmitting-receiving integrated optical fiber ultrasonic endoscope is formed.

The invention relates to the technical field of image processing, in particular to an endoscope image processing method based on photodynamic imaging and an endoscope imaging system.The endoscope image processing method based on photodynamic imaging comprises the steps that a focus image is collected through a photodynamic imaging endoscope, and preprocessing, three-dimensional reconstruction, combined reaction and curative effect database analysis are conducted; configuring an image processing module according to the request, and docking three-dimensional display; according to the method, the technical problem that the imaging request cannot be quickly and accurately responded due to the fact that the speed of endoscopic image processing through empirical data is low is solved, and the effects that the endoscopic image is finely processed, the photodynamic reaction features are extracted and the imaging request cannot be quickly and accurately responded are achieved. The technical effects that the optimal image enhancement parameter is adaptively searched, the imaging request is quickly responded, and the image targeting enhancement is performed are achieved, so that the focus area is accurately and visually displayed in a three-dimensional manner, and the output quality of the endoscope image is remarkably improved are achieved.

The application discloses a multi-marked endoscopic imaging lens for digestive tract, and belongs to the field of biomedical microscopic endoscopic imaging. The endoscopic imaging lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens; the first lens focuses laser; the second lens is matched with the first lens to limit a light beam in an effective light aperture of the lens; the third lens corrects chromatic aberration; the fourth lens and the fifth lens are combined to correct aberration; the sixth lens adopts an aspheric lens to correct spherical aberration caused in a collimating and focusing system; and the seventh lens is matched with the sixth lens to correct chromatic aberration. The working spectral range of the microscopic objective lens group is 488-860 nm, the effective light aperture is less than 1.8 mm, the mechanical outer diameter is not greater than 2.6 mm, the numerical aperture at the object side or the tissue is 0.55, the imaging field of view is 450 microns, the magnification is 2.14 times, and the working distance is 84 microns. The effect of matching excitation and fluorescence spectrum of a clinically available fluorescence contrast agent is realized.

The invention discloses an ultra-wide-spectrum endoscopic imaging device capable of being used for short-wave infrared fluorescence imaging, which is used for in-vivo minimally invasive imaging and comprises an illumination module, a wide-spectrum image transmission module, an imaging module and an image processing module. The illumination module consists of a light source and a light guide optical fiber, and is used for generating illumination light from ultraviolet to short wave infrared band and transmitting the illumination light to the wide-spectrum image transmission module; the wide-spectrum image transmission module consists of a few-interface optical imaging channel and a light guide illumination channel, and is used for illuminating an imaging target, exciting target fluorescence and collecting image signals from ultraviolet to short-wave infrared bands; the imaging module is composed of an optical filter and an imaging camera, and the imaging camera can be a wide spectral response image sensor or can be formed by combining cameras working in different wavebands and is used for converting optical images in different wavebands into image data; and the image processing module is used for registering and fusing image data of different wavebands in real time and displaying the image data.

The invention discloses a multi-photon optical fiber array endoscopic imaging device and method based on hollow spiral scanning, and belongs to the technical field of biological imaging. The device comprises a laser collimation and beam expansion module, a pulse chirp module, a light beam switching module, an endoscopic detection module and a fluorescence acquisition module. The light beam switching module comprises an optical switch and an optical fiber array composed of at least two low-group-velocity dispersion single-mode optical fibers. The endoscopic detection module drives the optical fiber array to execute hollow spiral scanning through the resonance driver, the track starting point is not located at the view field original point, and central dense sampling is avoided. According to the method, the optical fibers are switched through the optical switch, so that the optical fibers execute spatial non-coincident hollow spiral scanning, multi-photon signals such as fluorescence, second harmonic and fluorescence lifetime are acquired, a central hole is complemented through image reconstruction and fusion, and a complete field imaging result is obtained. Light damage of the central area is remarkably reduced, the imaging resolution uniformity is improved, the fused image is true and reliable based on physical sampling, and the system stability is high.

An endoscopic imaging system for use in a light deficient environment includes an imaging device having a tube, one or more image sensors, and a lens assembly including at least one optical elements that corresponds to the one or more image sensors. The endoscopic system includes a display for a user to visualize a scene and an image signal processing controller. The endoscopic system includes a light engine having an illumination source generating one or more pulses of electromagnetic radiation and a lumen transmitting one or more pulses of electromagnetic radiation to a distal tip of an endoscope.

The present invention relates to an endoscopic probe for photoacoustic tomography of cavity side walls, characterized by comprising a hollow tubular probe housing with a closed front end; N acoustic wave receiving windows and M laser output windows formed on the side wall of the tubular probe housing; an array of linear laser output ports connected to a pluggable optical fiber connector via an optical fiber bundle; and an ultrasonic transducer array connected to a multi-channel signal connector via a signal harness. The present invention employs a method of arranging array transducers and array laser outputs on the side wall of the probe, eliminating the need for a reflector. The probe is less than 2 centimeters in size and can be placed in close proximity to the prostate through the rectum for photoacoustic imaging of the prostate, or in close proximity to the inner wall of the rectum for photoacoustic imaging of the inner wall of the rectum. The endoscopic probe provided by the present invention, combined with a photoacoustic imaging system host, utilizes photoacoustic endoscopic imaging technology to perform real-time transrectal prostate imaging and rectal imaging, achieving ideal imaging results.

The invention discloses an optical fiber coupling real-time correction method in a single-mode and multi-mode optical fiber endoscopic imaging system, which comprises the following steps of: firstly, manually adjusting reflectors M1 and M2 to an optimal multi-mode optical fiber coupling state, acquiring images of light spots at the near end and the far end of a laser beam in the state by using a CCD (charge coupled device) 1 and a CCD 2, and calculating the position of a central coordinate of the images; and collecting a speckle image formed by the light spot through the scattering medium by using a CCD3 (charge coupled device 3). The system monitors the center coordinates of near-end and far-end light spots at the current moment and the correlation coefficient of the current speckle image and the collimation state image in real time. The piezoelectric mirror bracket is fed back and adjusted in real time through the center coordinates of the two spot light spots and the correlation coefficient of the speckles, so that the correlation coefficient of the speckles is kept above a set threshold value, and automatic calibration of light beams is achieved. On the basis of the traditional thinking that two points determine one straight line, the correlation coefficient of using speckles is increased, the alignment precision is improved, and the method has certain practicability and application prospects.

The invention relates to the technical field of image processing, and discloses an endoscope image imaging method and an endoscope, and the endoscope image imaging method comprises the steps: obtaining a real-time collection image of the endoscope and a light source parameter of the endoscope; positioning a target light spot in the real-time acquired image based on light source parameters of the endoscope; suppressing a specular reflection component of a target area where the target light spot is located to obtain an endoscope imaging image; the method comprises the following steps: firstly, positioning a light spot in a real-time acquired image based on a light source parameter to obtain a target light spot; the specular reflection component of the target area where the target light spot is located is further suppressed, so that the overexposure spots can be suppressed while global processing damage to normal highlight areas such as highlight bleeding spots and highlight mucous membranes can be avoided, and the original expression of the image can be restored.

Endoscopic viewing systems for use in diagnostic and therapeutic medical procedures. More specifically, an imaging and control system and coupler that allows for control of imaging and fluid management from a hand-held unit coupled to a conventional multiple-use, sterilizable endoscope.

The invention provides an endoscope imaging system and a hard tube type endoscope, and belongs to the technical field of optical imaging, the endoscope imaging system comprises an objective lens, a relay lens and an ocular lens of an object space telecentric structure, the objective lens comprises a first lens, a second lens, a third lens with positive focal power and a bonding lens group with positive focal power, the second lens is a steering prism, the image side surface and the object side surface of the first lens are aspheric surfaces, the balsaming lens group comprises a fourth lens, a fifth lens and a sixth lens, the fourth lens is a doublet lens, the fifth lens is a triplet lens, the sixth lens is a doublet lens, the relay lens comprises an odd number of rod lens groups which are arranged at intervals, and the rod lens groups are arranged at intervals. The eyepiece comprises a seventh lens, an eighth lens and a ninth lens, and the seventh lens, the eighth lens and the ninth lens are all doublet lenses. By optimizing the structural design of the optical system, the defocusing amount is reduced, seamless switching of visible light and near-infrared light dual-mode imaging can be achieved, and meanwhile high-quality imaging is achieved.

The invention relates to an endoscope imaging system and a light source thereof, the light source comprises a laser light source, a visible light source and a light combiner, the laser light source is used for outputting laser of at least two different wavebands, the laser of the different wavebands is used for exciting different fluorescent dyes, and the visible light source is used for outputting visible light; the light combiner is used for combining the laser and the visible light into a combined light beam and outputting the combined light beam to the endoscope; wherein the laser light source is a single light-emitting device, the single light-emitting device comprises a single substrate and at least two laser chips arranged on the single substrate, the at least two laser chips are used for emitting laser of different wave bands, and the single light-emitting device further comprises a single light outlet and a single optical fiber; and laser emitted by the at least two laser chips is output to the single optical fiber through the single light outlet. The light source can independently or simultaneously output laser of different wave bands to excite different fluorescent dyes, and the layout of an endoscope imaging system is simplified by adopting the light source.

The invention provides an endoscope working distance self-adaptive adjustable system, an endoscope imaging system and application. The endoscope working distance self-adaptive adjustable system comprises an image transmission lens sheath, a lens base, a protective lens sheath and a working distance auxiliary adjusting system arranged between the protective lens sheath and the lens base and / or arranged between the protective lens sheath and the image transmission lens sheath. The lens base protrudes in the axial direction to form a supporting part, and an imaging lens is arranged in the image transmitting lens sheath far away from the image side. The protective lens sheath comprises an outer sheath tube which axially extends out of the imaging lens, a sheath tube connecting part which partially sleeves the outer side of the supporting part and is connected with the outer sheath tube, and a protective lens which is arranged in the tail end of the object side of the outer sheath tube; the working distance auxiliary adjusting system is used for adjusting the relative axial position between the imaging lens and the protection lens and keeping the working distance between the protection lens and the imaging lens. By means of the working distance auxiliary adjusting system, the optimal object distance of the endoscope imaging system is achieved, and the microscopic imaging quality is ensured.

The invention relates to the technical field of endoscope imaging, and discloses a depth-of-field continuation imaging device and method for an endoscope and electronic equipment. The microlens array is composed of a plurality of microlenses with positive focal power, the microlens array is used for obtaining an original image collected by the endoscope, a light field image comprising sub-aperture images corresponding to the microlenses is obtained, depth calculation is carried out according to the parallax value between the different sub-aperture images, and the depth of the endoscope is calculated according to the parallax value between the sub-aperture images. Obtaining a pixel depth corresponding to an image pixel in the original image, refocusing each sub-aperture image on a focal plane corresponding to the pixel depth to obtain a refocused image corresponding to each sub-aperture image, and determining a definition weight corresponding to the image pixel from each refocused image; and carrying out image fusion on the pixel regions of the image pixels in the corresponding definition weights to obtain a target image. Compared with depth-of-field continuation according to multiple frames of images, the target picture with clear texture and extended depth-of-field can be obtained, and the image quality is improved.

The present invention discloses a three-dimensional reconstruction method and device for endoscopic images, including: building a polarization measurement binocular endoscope system; receiving original endoscopic images in different scenes, decoupling to obtain corresponding RGB images and polarization images with different polarization angles, and calculating corresponding polarization information codes; constructing an end-to-end RGB+polarization fusion network, using the dense surface normal information carried by the polarization mode to enhance the depth information of binocular stereo vision, and using the calculated polarization information code and RGB image group as input to obtain the corresponding depth map in real time; using the current posture parameters of the image and the depth map to reconstruct the image and obtain a three-dimensional visualization point cloud. The present invention can efficiently fuse the RGB modal information and polarization modal information in the endoscopic imaging system, perform high-precision three-dimensional model reconstruction tasks for complex endoscopic scenes, thereby significantly improving the operation speed and judgment accuracy of doctors when performing medical diagnosis.

The present invention discloses a fiber-optic ultrasonic endoscope with integrated lateral transmission and reception and a preparation method, which belongs to the field of ultrasonic endoscopic imaging. It comprises a double-clad optical fiber, an excitation film, a dielectric mirror, and a sensing film. By etching part of the inner cladding of the optical fiber into a concave spherical surface and coating it with an excitation film, the excitation light transmitted in the inner cladding is absorbed and focused ultrasonic waves transmitted laterally are excited. By etching part of the inner cladding and the core of the optical fiber and preparing it into a Fabry-Perot (F-P) cavity. When the ultrasonic signal transmitted laterally into the ultrasonic endoscope acts on the sensing film of the cavity, the effective refractive index of the sensing film and the F-P cavity length change, and the signal light in the core demodulates this change to complete the detection of ultrasonic waves. The present invention etches the inner cladding and coats it with an excitation film to achieve the excitation of laterally focused ultrasonic waves, etches an F-P cavity on the side of the optical fiber to achieve the lateral detection of ultrasonic waves, and thus forms a fiber-optic ultrasonic endoscope with integrated lateral transmission and reception.

The invention discloses a self-adaptive intervention type single-array-element photoacoustic endoscopic imaging near-field noise removal method based on a spatial domain and morphological characteristics. The method comprises the following steps that 1, original data of photoacoustic endoscopic imaging are obtained; step 2, adaptively generating a patch mask area; 3, preprocessing the image in a frequency domain; step 4, executing strip interference detection based on adaptive spatial domain filtering on the non-plaque region to obtain a spatial domain noise mask; step 5, screening strip-shaped noise areas; step 6, performing interpolation restoration on the noise area; 7, calculating the convergence degree and the noise level in the iteration process; and step 8, outputting a final result after polar coordinate transformation. The intrusive single-array-element photoacoustic endoscopic imaging method can effectively inhibit strip-shaped interference signals occurring in intrusive single-array-element photoacoustic endoscopic imaging and reduce the covering influence of background noise on target signals, so that the imaging quality of a near-end area is improved, and the structural definition and contrast ratio of overall imaging are remarkably optimized.

There is provided a processor device that performs a type determination method for an endoscope by a processor using an endoscope color adjustment jig, the endoscope color adjustment jig including an insertion portion that includes at least one insertion hole into which a distal end portion of the endoscope is inserted, a lid portion that is disposed to face the insertion portion in an insertion direction of the distal end portion, and an outer peripheral portion that is in contact with the insertion portion and the lid portion to form an internal space, the lid portion including a chart that includes a mark on an inner surface facing the internal space, in which the processor is configured to, based on a shape of the mark imaged by the endoscope inserted from the insertion portion, determine an oblique angle of the endoscope.

The invention discloses a multi-label endoscopic imaging lens for a digestive tract, and belongs to the field of biomedical microscopic endoscopic images. The endoscopic imaging lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. The first lens focuses laser, and the second lens is matched with the first lens to limit a light beam in an effective clear aperture of the lens; the third lens corrects chromatic aberration; a fourth lens and a fifth lens are combined to correct aberration; the sixth lens is an aspheric lens and corrects spherical aberration brought in collimation and focusing systems, and the seventh lens is matched with the sixth lens to correct chromatic aberration. The working spectral range of the microscope objective set is 488-860 nm, the effective clear aperture is smaller than 1.8 mm, the mechanical outer diameter is not larger than 2.6 mm, the numerical aperture at the object space or the tissue is 0.55, the imaging view field is 450 microns, the magnification factor is 2.14 times, and the working distance is 84 microns. And the effect of matching excitation and fluorescence spectrum of a clinically available fluorescence contrast agent is realized.

An endoscopic examination assistance device according to an aspect of the present disclosure includes: a memory storing instructions; and at least one processor configured to execute the instructions to: acquire an endoscopic image captured by an imaging unit of an endoscope and imaging unit position information indicating a position of the imaging unit of the endoscope within a lumen at a time when the endoscopic image is captured; detect a lesion from the endoscopic image; determine whether it is an insertion step for inserting the endoscope to a turnaround point in the lumen or a removal step for removing the endoscope from a turnaround point in the lumen; and cause a notification device to give notification according to a positional relationship between the imaging unit position information and lesion position information indicating a position of a lesion, in a case where a result of the determination indicates the removal step.

The invention discloses a balloon type heart cavity endoscope imaging system and method based on a three-dimensional mapping system, and belongs to the technical field of medical equipment. The problems that in an existing imaging method, imaging in the heart cavity is interfered by blood, the image definition is insufficient, and intuitive visualization of an inner wall image cannot be achieved are solved. A filling opening is formed in the handle end of the balloon type heart cavity endoscope, the filling opening is used for injecting liquid into a balloon so that the balloon can expand to be attached to the inner wall of a heart cavity to drain blood at the attached position of the inner wall of the heart cavity, and an image sensor is used for conducting image collection on the tissue, attached to the outside of the balloon, of the inner wall of the heart cavity; the positioning assembly is used for acquiring the position and posture of the image sensor in real time; the image processing unit is used for preprocessing the image acquired by the image sensor and then transmitting the image to the three-dimensional mapping system; the three-dimensional mapping system establishes a mapping heart cavity model, and the collected image and the mapping heart cavity model are matched, fused and displayed. The method is mainly used for intracardiac imaging.

The invention provides a hyperspectral endoscope and an imaging method thereof, and is characterized in that an endoscope body is internally provided with a high-frequency monochromatic illumination assembly, a hyperspectral imaging assembly, a data acquisition assembly, a display assembly, a data processing assembly and a control assembly, and the high-frequency monochromatic illumination assembly uses a high-frequency monochromatic source to illuminate a target object; reflected light of a target object is input to the hyperspectral imaging assembly, the signal output end of the hyperspectral imaging assembly is connected with a signal input end interface of the data acquisition assembly, the signal output end of the data acquisition assembly is connected with the signal input end of the data processing assembly, and the signal output end of the data processing assembly is connected with the display assembly. The illumination assembly, the endoscope imaging assembly, the data acquisition assembly, the display assembly and the data processing assembly are all controlled and connected by the control assembly; according to the invention, the hyperspectral image is provided for an observer, and the diseased or potential diseased tissues or parts can be directly found by analyzing the hyperspectral image, so that the working process of medical personnel is simplified, and the working efficiency is improved.

The invention discloses an endoscope imaging method and system. The method comprises the following steps: acquiring a real-time acquired image of an endoscope; performing brightness clustering on the real-time acquired image, extracting an area with a brightness value in a front preset proportion as an initial light spot candidate area, and performing circularity detection on the initial light spot candidate area to select a light spot candidate area from the initial light spot candidate area; extracting an LBP local texture histogram of the light spot candidate region to obtain a corresponding texture entropy, and determining a target light spot region from the light spot candidate region according to a size relationship between the texture entropy and a texture entropy threshold value; and in the real-time acquired image, inhibiting factors which influence the image quality and are caused by the target light spot in the target area where the target light spot area is located, and obtaining an endoscope imaging image. The problem that in the prior art, the imaging quality of an endoscope is low is solved.

This application discloses an endoscope imaging detection method and device with intelligent illumination adjustable glare removal, which effectively eliminates the glare area in the detection image by intelligently adjusting the scanning parameters of the illumination light and using auxiliary acquisition optical fibers, and significantly improves the imaging quality of the endoscope. This not only helps doctors diagnose the disease more accurately, but also improves the safety and efficiency of the operation.

The invention discloses a device for measuring photoacoustic endoscopic imaging resolution and depth, and belongs to the technical field of biomedical imaging detection.The device comprises a vertical plate, a height adjusting mechanism is arranged on the vertical plate, the height adjusting mechanism is connected with a liftable probe clamping assembly, and a bottom plate is fixedly arranged at one end of the vertical plate; a scanning imaging rotating motor is arranged on one side of the bottom plate, the output end of the scanning imaging rotating motor is connected with a coupling medium container, a base body is installed in the coupling medium container, a plurality of through holes distributed in an Archimedes spiral shape are formed in the base body, and a plurality of target wires used for providing photoacoustic signal comparison are arranged in the through holes in a penetrating mode. According to the invention, a complex tissue environment can be simulated, and a multi-azimuth and multi-scale imaging result can be obtained, so that the resolution ratio and the imaging depth of the photoacoustic endoscopic system can be evaluated, and the method is suitable for detection and standardized evaluation of different types of photoacoustic endoscopic equipment.

The invention discloses a method for identifying a blood vessel in an endoscope image and an endoscope system. The method for identifying the blood vessel in the endoscope image comprises the following steps: acquiring a multi-channel image formed by endoscope imaging; time sequence points of all points in all RGB channels in the to-be-analyzed area in the multi-channel image are extracted, and normalization processing is carried out; according to the time sequence point of each point in each RGB channel in the to-be-analyzed area, respectively calculating the time sequence point of the mean value of each RGB channel in the to-be-analyzed area, and carrying out normalization processing; according to the normalized time sequence point of each point in each RGB channel in the to-be-analyzed area, determining a PPG amplitude for representing blood fluctuation information at each point; determining an average amplitude for representing blood fluctuation information according to a time sequence point of an average value of each RGB channel in the normalized region to be analyzed; and determining a blood vessel region according to the PPG amplitude of each point, the average amplitude, the penetration depth of the light sources with different wavelengths to human tissues and the difference of the absorption characteristics of blood components.

The present application relates to the field of medical equipment, and in particular to an endoscopic imaging device, an imaging system, and a method thereof having a diagnostic imaging device. The device comprises: a diagnostic imaging device, an external control device, and an ingestible capsule endoscope. The external control device is used to control the position and / or posture of the capsule endoscope within a target area; the diagnostic imaging device is disposed within the capsule endoscope and is used to perform diagnostic imaging of the target area under the control of the external control device. The endoscopic imaging device and the imaging method thereof provided in the present application utilize a diagnostic imaging device to examine the target area without the need for a tissue biopsy, thereby not only improving the accuracy of the examination of the lesion area, but also reducing the risk of infection in the patient.

The present invention belongs to the field of medical equipment technology, and specifically discloses a 3D-VR binocular stereoscopic vision image construction method and an endoscope operation teaching device, which obtains the three-dimensional original image information of the endoscope inspection by setting two endoscope imaging probes; determines the displayed three-dimensional original image information; renders and coordinates the displayed three-dimensional original image information to construct an image model of parallel binocular vision; based on the image model of parallel binocular vision, displays the visual image on a 3D-VR display device; uses a 3D-VR endoscope operation platform to operate the endoscope and display it on the display device. The use of this technical solution to construct an image model and use a 3D-VR display device for display can not only enhance the visual reception ability of the trainees, but also improve the corresponding medical diagnosis and treatment teaching efficiency.

The invention discloses a bending endoscopic imaging method and system based on a few-mode optical fiber, and belongs to the technical field of optical fiber imaging. According to the method, an MNIST handwritten digital image is loaded through a digital micromirror device (DMD), a speckle pattern is generated through few-mode optical fiber transmission, image restoration in a bending state is achieved through a deep learning model, and reconstruction effects under different bending degrees are quantized through a Dice coefficient. The system comprises a light beam collimation module, a pattern loading module, an image transmission module and an image acquisition-processing module. The image transmission module adopts a step refractive index few-mode optical fiber, and mode coupling caused by bending is inhibited by increasing the effective refractive index difference between modes; and the image acquisition-processing module is combined with a shallow U-shaped convolutional neural network to reconstruct a speckle pattern acquired by the CCD camera. While miniaturization of the probe is ensured, the imaging quality in a bending environment is remarkably improved, and the probe is suitable for miniaturized high-resolution imaging scenes such as medical endoscopes and the like.