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

113 results about "Observation Object" patented technology

The name of the entity that is being assessed.

Dual-unmanned aerial vehicle cooperation method and cooperation control system

The invention provides a dual-unmanned aerial vehicle cooperation method and a cooperation control system, and relates to the technical field of unmanned aerial vehicles. The method comprises the steps that a flight task issued by a ground control part is acquired from an unmanned aerial vehicle, first flight data and second flight data are acquired, the first flight data comprise main image data, and the second flight data comprise auxiliary image data; the slave unmanned aerial vehicle determines a space vector between the master unmanned aerial vehicle and the slave unmanned aerial vehicle as a baseline; the slave unmanned aerial vehicle constructs an accompanying flight control model based on the obstacle influence data, the baseline length corresponding to the baseline and the observation sight line included angle, generates an accompanying flight control instruction enabling the accompanying flight control model to reach the flight condition, controls flight according to the accompanying flight control instruction, and the obstacle influence data is used for describing the obstacle avoidance risk of the flight route to the obstacle; the ground control unit fuses the main image data and the auxiliary image data to obtain an observation result of the object to be observed. The flight stability of the multiple unmanned aerial vehicles is improved, and the efficiency of surveying and mapping tasks is improved.
Owner:HUAHANG HI-TECH (BEIJING) TECH CO LTD

Experimental system and method for research on photodynamic therapy, photothermal therapy and combination of photodynamic therapy and photothermal therapy

The invention relates to an experimental system and method for photodynamic therapy, photothermal therapy and combined research of photodynamic therapy and photothermal therapy. The experiment system comprises an optical irradiation module which comprises a plurality of laser light sources, each laser light source can output collimated light beams, the collimated light beams are combined to form a coaxial light path, and the coaxial light paths are projected to the surface of an observation object through a light beam adjusting assembly; the light path position adjusting module comprises an electric Z-axis displacement mechanism; the temperature monitoring module comprises an active temperature control substrate, an infrared thermal imager and an optical fiber temperature probe interface; the data acquisition and control module is configured to synchronously acquire laser output power, light spot area, electric Z-axis position, temperature of the active temperature control substrate, temperature sequences of a plurality of different areas and optical fiber temperature probe data, and associatively record the data with a unified timestamp; the power density can be calculated based on the real-time output power of the laser light source and the light spot area; and when the data of any temperature monitoring channel exceeds a preset safety threshold value, the laser light source is automatically controlled to close the output.
Owner:XUANWU HOSPITAL OF CAPITAL UNIV OF MEDICAL SCI

Traffic information processing method, control method, equipment and medium

The invention relates to a traffic information processing method, a control method, equipment and a medium. The traffic information processing method comprises the following steps: determining an observation object belonging to a target lane; wherein the target lane is a lane in a lane group associated with a vehicle driving path; performing motion trail sampling on the observation object to obtain a trail point sequence of the observation object; wherein the track point sequence comprises a first track point sequence obtained by carrying out motion track sampling based on a time change dimension, and a second track point sequence obtained by carrying out motion track sampling based on a position change dimension; each track point in the track point sequence comprises timestamp information, motion information and distance information of the corresponding track point relative to a stop line of the target lane; and obtaining a traffic light prediction state of the target lane according to the track point sequence.
Owner:CORECHENG (BEIJING) TECHNOLOGY CO LTD

Charged particle beam device and vibration-suppressing mechanism

ActiveUS12700564B2Particle beamActuator
Provided are a vibration-suppressing mechanism that has excellent maintainability and can effectively control vibration of a column, and a charged particle beam device using the same. This charged particle beam device comprises: a sample chamber for accommodating a sample that will serve as an object to be observed therein; a column that is disposed on an upper portion of the sample chamber and irradiates and scans the sample with a charged particle beam generated by a charged particle source; and a vibration-suppressing mechanism that is removably provided to the column, said particle beam device being characterized in that the vibration-suppressing mechanism includes a stator affixed to the column, an annular mover that is supported so as to be movable in a direction orthogonal to the axial direction of the column, a plurality of actuators that cause the mover to vibrate in the direction orthogonal to the axial direction of the column, a plurality of vibration sensors affixed to the stator, and a controller that controls the actuators according to output signals from the vibration sensors.
Owner:HITACHI HIGH TECH CORP

Measurement apparatus and measurement method

To provide a measuring device and a measuring method capable of separately determining a diffusion coefficient of particles contained in a fluid and an advection velocity of the fluid, and determining a shear viscosity characteristic and a temporal characteristic of a non-Newtonian fluid by on-site observation, in the measuring device formed by combining OCT and DLS.SOLUTION: A coupling optical unit that couples reflected or scattered light with reference light that is not reflected or scattered by the observation object, a detection unit that detects coupled light coupled by the coupling optical unit, and a control unit that acquires an optical coherence tomographic image of the observation object on the basis of the coupled light, the control unit records an optical coherence tomographic image of the fluid from the acquired optical coherence tomographic image of the observation object, obtains each of characteristic values representing degrees of thermal motion and advective motion of particles contained in the fluid based on the optical coherence tomographic image of the fluid, and outputs position information of each of the characteristic values in a two-dimension space and time information representing a temporal change of the characteristic value.SELECTED DRAWING: Figure 2-1
Owner:RICOH CO LTD

Eyepiece optical system

To provide an eyepiece optical system EL having a large observation magnification and excellent optical performance, and an imaging apparatus having the eyepiece optical system EL.SOLUTION: The eyepiece optical system EL includes, in order from the observation object side, a first lens having a positive refractive power, a second lens having a negative refractive power and having a meniscus lens shape with a concave surface facing the observation object side, a third lens having a positive refractive power, and a fourth lens having a positive refractive power and having a meniscus lens shape with a concave surface facing the observation object side, and satisfies the following conditional expression: 1.38 <fe / f1 <1.651.600 <nd1 <1.800, where fe is a focal distance of the entire system of the ocular optical system EL, f1 is a focal distance of the first lens, and nd1 is an index of refraction of a medium of the first lens with respect to the d-line SELECTED DRAWING: Figure 1
Owner:NIKON CORP

A Microscopic Denoising Method Based on Multi-Expert Judgment

This invention discloses a microscopic denoising method based on multi-expert judgment, relating to the field of computer image enhancement technology. The method includes: acquiring original microscopic image data; preprocessing the image data; calculating initial expert weights through an expert weight threshold discrimination network; inputting the preprocessed data into multiple expert denoising networks for denoising; calculating result weights based on the denoising results and performing weighted fusion; and generating a denoised microscopic image. By introducing a multi-expert structure and threshold discrimination mechanism, this invention can adaptively denoise under various observation objects and imaging conditions, significantly improving the generalization ability of the denoising method. This invention, through a multi-expert mechanism, overcomes the shortcomings of current denoising methods, such as weak generalization and applicability limited to specific observation sample types or imaging conditions.
Owner:TSINGHUA UNIVERSITY

Specimen storage and specimen preparation device

A specimen storage for storing an observation specimen obtained by providing an observation object on a light transmissive plate, comprises an opening and closing member that is movably attached to a main body of the specimen storage in one direction, and an abutting member configured to be able to abut on a case for housing observation specimens, wherein the opening and closing member is provided to be movable with respect to the main body so as to abut on the case when the opening and closing member is a closing state and to be separated from the case when the opening and closing member is an opening state.
Owner:HIRATA CORPORATION

Observation device and observation method

This observation device includes an image acquisition unit 61, a wavefront propagation calculation unit 62, and an analysis unit 63. The image acquisition unit 61 irradiates an observation object with light of a n-th irradiation condition among the 1st to N-th irradiation conditions at time tn and time tn + T, acquires a complex amplitude image u1,n of light at a focal plane at time tn, and acquires a complex amplitude image u2,n of light at the focal plane at time (tn + T). The wavefront propagation calculation unit 62 causes a wavefront of light represented by complex amplitude images u1,n (r) and u2,n (r) on the focal plane to propagate to another plane, and obtains complex amplitude images u1,n (r) and u2,n (r) representing the wavefront of light on the other plane at that time by calculation. The analysis unit 63 extracts a temporal variation component of the image of the observation object on the basis of the complex amplitude images u1,1 to u1,N and u2,1 to u2,N on the focal plane and the other plane, and analyzes the temporal variation component. Thus, an observation device capable of acquiring three-dimensional function information of an observation object by suppressing an increase in the number of images to be acquired is realized.
Owner:HAMAMATSU PHOTONICS KK

A micro-expression intelligent recognition system based on facial images

This invention relates to the field of intelligent recognition, and more particularly to an intelligent micro-expression recognition system based on facial images. The invention includes a detail extraction module, which retrieves image data corresponding to the observed object in a video image to extract corresponding facial action features; an object analysis module, which combines facial action features and the frequency of contour jitter of the observed object to calculate a representation value of the observed object's action state, thereby classifying the observed object's action abnormality and ambiguity category; a labeling module, which selects to call a conventional labeling module or a dynamic evaluation module based on the action abnormality and ambiguity category; a conventional labeling module, which marks video images as forged videos; and a dynamic evaluation module, which evaluates and labels the observed object. This invention captures facial features and relies on precise quantitative analysis of dynamic details of micro-expressions to improve recognition accuracy and precision. In public security work, it can identify AI-generated facial image videos and combat online and telecommunications fraud.
Owner:GUANGDONG POLICE COLLEGE (GUANGDONG PROVINCIAL PUBLIC SECURITY JUDICIAL MANAGEMENT CADRE COLLEGE)

Microscope device and flat revolver

A flat revolver mountable on a microscope device holds a plurality of objectives having different magnifications, the same design value of parfocal distance, and different working distances so that optical axes of the objectives are parallel, and has a recessed structure in which with respect to a region where a first objective among the plurality of objectives is held, a region where a second objective different from the first objective is held is recessed by a predetermined distance such that the tip of the first objective does not interfere with a structure on a stage of the microscope device at magnification switching operation for switching an observation magnification of an image of a specimen in the microscope device and focusing operation for an object of observation.
Owner:NIKON CORP

Stereoscopic endoscope device, image processing method, apparatus, and storage medium

The invention discloses a three-dimensional endoscope device, an image processing method, equipment and a storage medium, and relates to the technical field of endoscopes, the three-dimensional endoscope device comprises an optical lens group used for collecting reflected light of a target observation object and processing the reflected light into a single light beam to be emitted; the beam splitter prism is used for splitting an incident single light beam into a first light path and a second light path; the first image sensor is arranged on a propagation path of the first light path and is used for receiving the first light path and converting the first light path into a first image signal; the second image sensor is arranged on a propagation path of the second light path and is used for receiving the second light path and converting the second light path into a second image signal; and the flat cable interface is electrically connected to an image processing host at the rear end and is used for transmitting the first image signal and the second image signal to the image processing host, so that the image processing host generates a three-dimensional image according to the first image signal and the second image signal. According to the endoscope, the technical problem that the structure of the endoscope is complex can be solved while the stereoscopic vision imaging definition is ensured.
Owner:CHONGQING XISHAN SCI & TECH

A method for system operation and maintenance real-time interaction

The application discloses a kind of system operation and maintenance real-time interaction method, this method first obtains the operation data of resource equipment of operation and maintenance system, establishes CMDB database, and according to operation and maintenance system operation data, real-time update data in CMDB database, according to the data information in CMDB database, 3D operation and maintenance model is established, define observed object to N step adjacent entity set as observation area, then the entity observed in observation area is labeled, finally, entity and adjacent entity relationship are rendered and displayed in 3D, by defining and labeling observation area observed object, effectively reduce the control range of real-time change, through limited calculation and query, more details 3D operation and maintenance model can be rendered and displayed to user, so that operation and maintenance personnel can more intuitively observe the details of 3D operation and maintenance model, local update is carried out when real-time update, effectively reduce the workload of update, improve the quickness of information query required by operation and maintenance personnel.
Owner:SHANGHAI ZHONGCHANG DATA TECH CO LTD

Observation device and observation method

Provided are an observation device and an observation method with which it is possible to selectively observe, from among two or more types of particles contained in a suspension, a target particle to be observed. This observation device is provided with: a holding unit that holds a suspension containing two or more types of particles having different size relationships with respect to the specific gravity of the liquid, said suspension being separated into a target layer containing the target particles to be observed from among the two or more types of particles contained in the suspension, and a non-target layer containing the target particles to be observed from among the two or more types of particles contained in the suspension; the non-target layer contains particles other than target particles among the two or more types of particles; an observation light source that causes observation light to enter from the object layer side; an objective lens which is provided on the object layer side and amplifies an image of the object particles; and an imaging unit that captures an image of the target particle magnified by the objective lens. The depth of field of the optical system including the objective lens is smaller than the thickness of the object layer.
Owner:FUJIFILM CORP

Image processing method, control device, and endoscope system

An image processing method includes an image acquisition step and an image processing step. In the image acquisition step, a processor acquires a first image and a second image having parallax from each other. The first image and the second image respectively include a first region that represents at least a portion of an observation target and a second region that represents at least a portion of an instrument. In the image processing step, the processor performs image processing on a processing region of at least one of the first image and the second image that includes the second region, and changes an amount of parallax of the processing region.
Owner:OLYMPUS CORPORATION(JP)

Imaging method and imaging system for surgical implantation

The present application provides an imaging method and imaging system for surgical implantation, and the imaging system includes: a support; a mechanical arm, where a first end of the mechanical arm is rotatably connected to the support; an imaging device, connected to a second end of the mechanical arm, where the imaging device rotates freely under the driving of the mechanical arm, and is used to obtain a light signal reflected by an observation object and perform imaging; a light source providing device, where one end of the light source providing device is provided on the support, and some or all of the light signals provided by the light source providing device are transmitted to the observation object through an surgical incision, and are reflected to the imaging device by the observation object; a retractor, where the retractor is used for placement within the surgical incision to establish a surgical channel, so that the light signal reflected by the observation object can be obtained by the imaging device; and a controller, where the controller is electrically connected to the mechanical arm and the imaging device, makes an adjustment to a posture according to a position and a direction of the retractor, and controls the mechanical arm to drive the imaging device to rotate freely. According to the imaging system of the embodiment of the present application, long-distance shooting can be implemented, and it is conducive to performing the surgery.
Owner:AGLOE MEDICAL TECH CO LTD

Zoom lens

A zoom lens is provided which has at least one front optical group with fixed optical power, adapted to receive rays from an observed object, at least one rear optical group with fixed optical power, adapted to convey the rays towards an image plane of a sensor, a lens opening positioned between the front optical group and the rear optical group, a front adaptive lens positioned between the at least one front optical group and the lens opening, and a rear adaptive lens positioned behind the lens opening. The front and rear adaptive lenses are controllable to vary the respective optical power to adjust focal length, magnification, and working distance of the zoom lens.
Owner:OPTO ENG

Monocular with adjustable magnification

Aspects of the invention disclose a variable-magnification monocular, comprising an objective lens group, a prism group and an eyepiece group arranged in sequence along an optical axis direction, wherein the eyepiece group comprises an eyepiece compensation group, an eyepiece variable-magnification group and an eyepiece fixing group arranged in sequence; the focal lengths of all lens groups satisfy the following conditional formula: −1.4<F31 / F32<−0.9 and 2<F33 / F32<1.7. The eyepiece magnification group and the eyepiece compensation group may move closer to or farther from each other along the optical axis to achieve continuous change of magnification between 60-20. The monocular may achieve continuous adjustment of the magnification of the monocular by moving the eyepiece zoom group and the eyepiece compensation group closer to or farther from each other along the optical axis, which can meet the needs of different observation objects.
Owner:GUANGDONG SIRUI OPTICAL CO LTD

Content generation method and apparatus, electronic device and storage medium

Embodiments of the present disclosure provide a content generation method and apparatus, an electronic device and a storage medium. A target viewing angle is determined in response to a user operation, where the target viewing angle is configured to represent an observation viewing angle in a target state; an image medium is acquired, and a content generation model is invoked to process the image medium based on the target viewing angle to generate viewing angle effect content, where the viewing angle effect content has an effect video frame, and the effect video frame is configured to display a visual effect of observing the image medium based on the target viewing angle. A target viewing angle representing an observation viewing angle of a target observation object is determined, and an image generation model is invoked by using the target viewing angle as input to process an image medium to generate viewing angle effect content, thereby realizing video generation based on the viewing angle dimension, and improving the quality of the generated video.
Owner:BEIJING ZITIAO NETWORK TECH CO LTD

Medical device control

Method (Z) for controlling a medical imaging device (1) and / or an information display device (7) that displays data (BD) generated by the medical imaging device (1) to a user (13) by means of a user input (EI, AI), wherein the user input (EI, AI) is performed at least on the basis of an eye position and / or movement detection (Y) in combination with a further non-contact user input recognition logic (X), - wherein the user input (EI, AI) includes a selection input, wherein the user (13) views an object and / or region to be selected with the eye (15) and initiates a selection of the viewed object by means of an expression of intent signal, and the selection input is continued by the user (13) moving the selected object to a location he views after initiating the selection by means of a displacement signal, and / or - the user input (EI, AI) based on eye position and / or movement detection (Y) in combination with further non-contact user input recognition logic (X) includes a graphical input of an object.
Owner:SIEMENS HEALTHINEERS AG

Medical image processing device and medical observation system

A medical image processing device 9 includes an image processing unit 92 for processing pixel signals acquired from pixels of an imaging element 513. The pixel signal includes: a first pixel signal having an unnecessary light component containing autofluorescence generated by light from a member forming an optical path for observation when light emitted from the light source device propagates through the optical path for observation, and an observation target fluorescence component containing fluorescence generated by the member forming the optical path for observation when light emitted from the light source device propagates through the optical path for observation; the observation object fluorescence component is emitted from a substance contained in the observation object excited by light; and a second pixel signal having at least an unnecessary light component. The image processing unit 92 includes a signal correction unit 923 that generates a corrected pixel signal on the basis of the first and second pixel signals and a correction coefficient set on the basis of spectral characteristics of fluorescence to be observed.
Owner:SONY OLYMPUS MEDICAL SOLUTIONS

Filter set, system and method for fluorescence observation of protoporphyrin ix

PCT designated stageWO2026027794A1MicroscopesProtoporphyrin IXTransmittance
The present invention relates to a fluorescence observation system, to a method for carrying out a fluorescence observation and to a filter set that can be used for this purpose for simultaneously observing fluorescent light of protoporphyrin IX in an object and non-fluorescent regions of the object in an almost true-colour representation. The filter set comprises an illumination filter and an observation filter. A transmittance of the illumination filter has an average value of at least 90% from 405 nm to 452 nm, is at most 0.01% in at least 95% of a wavelength range extending from 466 nm to 524 nm, has an average value of at least 0.028% and at most 0.044% from 535 nm to 595 nm, and is at most 0.003% in at least 95% of a wavelength range extending from 610 nm to 750 nm. A transmittance of the observation filter has an average value of at least 0.143% and at most 0.187% from 404 nm to 438 nm, is at most 0.01% in at least 95% of a wavelength range extending from 444 nm to 534 nm, and has an average value of at least 90% from 544 nm to 722 nm.
Owner:CARL ZEISS MEDITEC AG

Methods for Selecting Optimal Stealth Coating Materials for Metal Observation Objects in Different Environments

The application discloses a method for selecting optimal stealth coating layer materials of metal observation objects in different environments, and comprises the following steps: S1, physically modeling a detected scene; S2, obtaining a three-dimensional dissection model of the detected scene; S3, forming a brightness temperature graph; S4, recording the surface number of the surface needing to be coated with a stealth coating layer; S5, coating the surface found and recorded in step S4 with a stealth coating layer; S6, repeating step S3 and recording the average incident angle of the tracking ray of the surface needing to be coated; S7, assuming the coating layer as an ideal smooth surface and drawing a contour graph; S8, extracting the contour graph drawn in step S7 through software; S9, statistically processing the target radiation cross-sectional area parameters of the coating surface after brightness temperature inversion each time; S10, selecting the dielectric constant of the coating layer of the corresponding grade; S11, comparing with a brightness temperature imaging graph of a metal observation object without a coating medium; and S12, observing and statistically processing the influence of the observation angle of a millimeter wave radiometer on the selection of the stealth coating layer.
Owner:ZHEJIANG JIACANG INTELLIGENT EQUIPMENT CO LTD

Method for measuring underwater three-dimensional topography of sandy bed surface

The method for measuring the underwater three-dimensional terrain of the sandy bed surface provided by the present disclosure comprises the following steps: building an image acquisition platform for obtaining an underwater image sequence of the sandy bed surface; arranging water and underwater control points and measuring their coordinates; determining the height, arrangement form and moving space step of the camera array; making all the cameras take pictures of the target water surface area at the same time based on the parameters determined in the previous step, and obtaining the underwater image sequence of the sandy bed surface; performing spatial calculation on the image sequence based on the motion recovery structure method, performing spatial registration only using the water control points, and then performing refraction correction, and then performing spatial registration only using the underwater control points without performing refraction correction, and then performing secondary correction on the point cloud obtained by using only the water control points and performing refraction correction through the average value of the difference between the two, and obtaining the final underwater three-dimensional terrain of the sandy bed surface. The time and space resolution and accuracy of the present disclosure are relatively high, and the observation object is not disturbed.
Owner:INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS

Medical image processing apparatus, endoscope system, diagnosis support method, and recording medium

The present application provides a kind of medical image processing device, endoscope system, diagnostic aid method and program, can be in the observation of using the determination of using image processing is completed at the same time processing error determination, can inhibit the oversight of physician to observation object site.Medical image processing device has at least one processor.At least one processor obtains medical image, based on medical image, whether observation of object site is completed observation completion determination, carries out the display control of the determination result of observation completion determination is displayed on display, accepts the user input including the instruction of the display content of the determination result indicating observation completion determination is modified, and the content modified by user input is reflected in display.
Owner:FUJIFILM CORP

Apparatus and method for image acquisition based on enhancement of maximum contrast ratio and storage medium storing instructions to perform method for image acquisition

There is provided an image acquisition apparatus. The apparatus comprises a memory configured to store instructions; and a processor configured to: obtain distribution information representing distribution of an original visual information of at least one region of interest including an object under observation; determine an illumination pattern of a light source based on the distribution information so that a range of the original visual information of at least one region of interest including the object under observation falls within a pre-determined range; control the light source to illuminate the determined illumination pattern on the object under observation; obtain images of the object under observation illuminated by the light source with the determined illumination pattern; and estimate the original visual information for at least one region of interest including the object under observation by tracking back information on the obtained images based on the information on the illumination pattern.
Owner:UNIST (ULSAN NAT INST OF SCI & TECH)

Endoscope focus control device, focus control method, and focus control program

An endoscope focus control device has an image feature determination section that determines a feature of an image obtained by an imaging device provided at a distal end portion of an endoscope, and a determination section that determines, based on a match between a change in position over time of a feature portion of the image detected by the image feature determination section within the captured image and an operation content of an operator with respect to the endoscope, which is used to change a captured range of the imaging device, an observation target portion that the operator wants to observe from the image, and determines the observation target portion as an object of focusing.
Owner:OLYMPUS MEDICAL SYST CORP