231results about How to "Avoid observation" patented technology

The invention provides a robot indoor environment exploration,obstacle avoidance and target tracking method based on a ROS. Based on a grid map established through laser radar information,combined with local map deduction and global boundary searching,an independent exploration strategy is designed so that a moving robot can be prevented from getting into a local exploration infinite loop,and whole-indoor-environment exploration can be completely guaranteed. According to the method,real-time tracking nodes and shielding tracking nodes are designed with an improved Kalman filtering method and aMeanShift method in the ROS,the real-time problem and the complete-shielding problem of target tracking of the moving robot are solved,the computing speed of the system is increased,target search time is shortened,and the real-time requirement of tracking is met; when a target is completely shielded,the shielding tracking nodes forecast and track the target according to previous state information,and after shielding is ended,a target is newly locked,tracking modes are automatically switched,and the target is tracked through the real-time tracking mode.

A method for autofocusing in microscopic examination of a specimen located at the focus of a microscope objective uses an autofocus beam path, the autofocus beam path being directed, via a deflection device arranged on the side of the microscope objective facing away from the specimen, toward the microscope objective, and from there onto a reflective autofocus interface in the specimen region. The autofocus beam path is reflected at the autofocus interface and directed via the microscope objective and the deflection device toward an autofocus detector. The deflection device comprises two regions spaced apart from one another in a propagation direction of the autofocus beam path. Each region reflects the autofocus beam path. The autofocus detector is arranged in a plane conjugated with the microscope objective pupil to acquire an interference pattern. The focus of the microscope is adjusted as a function of the acquired interference pattern.

An already-existing and general-purpose capsule endoscope for alimentary canal is enabled to be used to monitor a body cavity by directly diverting the already-existing and general-purpose capsule endoscope to a body-cavity-indwelling capsule endoscope in a simple and secure manner. An indwelling device for an encapsulated medical device of the invention includes a latching portion 203 which fixes a capsule endoscope 300 and a retaining unit 202 which mounts and retains a capsule endoscope 300. Therefore, the capsule endoscope 300 and the latching portion 203 are integral with each other only by mounting and retaining the capsule endoscope 300 to and in the retaining unit 202, and then the capsule endoscope 300 can be placed along with the latching portion 203 by setting the latching portion 203 to a desired region in the body cavity to fix the latching portion 203 to a body cavity tissue by endoscopic treatment. Accordingly, the already-existing and general-purpose capsule endoscope 300 for alimentary canal can be used to monitor a body cavity by directly diverting the already-existing and general-purpose capsule endoscope to the body-cavity-indwelling capsule endoscope in the simple and secure manner.

The invention discloses a metallographic grinding and polishing process. The metallographic grinding and polishing process comprises the steps that (1) the surface of a metallographic specimen is cleaned; (2) the surface of the metallographic specimen is ground; (3) the metallographic specimen is polished; and (4) cleaning is conducted. The metallographic specimen is cleaned and polished through vibration of an ultrasonic washing unit, when the metallographic specimen is cleaned, liquid inside the ultrasonic washing unit is industrial pure water, diamond abrasive grains, polishing paste and glycerinum are put into the ultrasonic washing unit for cleaning, resources can be saved, and influence on the subsequent grinding and polishing process can be avoided; a rubber soft bottom is arranged at the bottom of the metallographic specimen, so that the surface is prevented from being scratched in the grinding process, the metallographic specimen is dried for many times, oxidation of easily oxidized metals can be prevented in the operation process, and it is ensured that the surface of the metallographic specimen is even in color and has no water spot; coating of antirust agents is avoided, and the retention time is long in a vacuum environment.

The invention discloses a preparation method of a sample with a rust layer for in-situ observation of a transmission electron microscope. The method comprises the following steps of: (1), integrally packaging an obtained sample with a rust layer by a cold embedding method; 2), cutting the sample according to the sample size facilitating observation of the transmission electron microscope; 3), thinning the sample primarily; 4), forming a thin sample area which can be observed by the transmission electron microscope; and 5), bonding the prepared sample to a phi3mm round copper mesh, so as to obtain the sample with the rust layer for the in-situ observation of the transmission electron microscope. By adopting the preparation method, the initial shape of the rust layer is remained completely, and the method is very suitable for preparing of the sample with the rust layer for observation of the transmission electron microscope; and the prepared sample is representative, can truly indicate the whole characteristics of the analyzed material, and has great significant in the corrosion resistance research of steel and iron materials.

The present invention discloses a medical anti-adhesion hydrogel dressing, which comprises a hydrogel, wherein a methyl propiolate monomer, double or multi-functional group terminated-polyethylene glycol having unsaturated double bond, water and an initiator are further subjected to thermal initiation or photo initiation or radiation initiation polymerization so as to obtain the hydrogel, and the hydrogel has a micron porous structure. According to the present invention, the prepared hydrogel dressing has characteristics of no adhesion to wound, good water absorption and excellent mechanical property, and has a space micro-structure capable of loading drugs or growth factors so as to load various drugs or growth factors, achieve the functionalization treatment of the dressing, and achieve antibacterial, wound healing promoting and other functions.

The invention provides a digital PCR (polymerase chain reaction) chip. The digital PCR chip comprises a droplet production module formed by laminating a cover glass and a glass substrate and a droplet collecting module tightly attached to one surface of the droplet production module, wherein two through holes including a liquid phase sample inlet and an oil phase sample inlet are formed in the cover glass; microflow channels communicated withthe liquid phase sample inlet or the oil phase sample inlet are etched in one surface, attached to the glass substrate, of the cover glass, each microflow channel is divided into two branch channels, and the branch channels pairwise intersect with droplet production ports; the droplet collecting module comprises a cavity with two opening sides, and the droplet production ports are all tightly attached to the inner side of one opening. The digital PCR chip is provided with the independent droplet collecting module, the PCR and the result observation are both performed in the chip, so that the probabilities of pollution and demulsificationare greatly reduced, meanwhile, results of the PCR are observed under a fluorescence microscope in a unified manner, signals reading of droplets is not required to be performed in the chip one by one, and the signal reading time is greatly shortened.

A slab continuous casting crystallizer protection slag automatically adding device, pertaining to the field of continuous casting process equipment, includes a large hopper, electric valves, a feeding tube, a small hopper, a screw feeder, a two-dimensional movement mechanism and a base. The device uses gravity to fall material from height, so that the large hopper is far away from the crystallizer mouth, to increase storage amount and allow long time of continuous work; the small hopper with small size, the screw feeder and the two-dimensional motion mechanism are reasonably installed at the intermediate tanker flank nearby the crystallizer to avoid the obstruction to the observation and operation of workers because the device is mounted in front of the crystallizer; the precise control of the feed amount can be achieved by the screw feeder; the conveyer tube is totally enclosed, which avoids slag leakage and dust emission; orthogonal coordinate type two-dimensional motion mechanism can realize a larger area of protection slag uniform spreading, which adapts to different sizes of slabs and billet production; automatic uniform slag adding is achieved, billet surface quality can be improved and the labor intensity of workers is reduced.

In a semiconductor integrated circuit (100) having a shielding film (1) formed by a material different from at least either of a semiconductor substrate (4) and an interlayer insulating film (7) in thermal expansion coefficient, the shielding film (1) has shielding portions (9) and openings (12), and at least either of a plurality of independent openings (12a) whose circumferences are surrounded by the shielding portions (9) and a plurality of independent shielding portions (11) whose circumferences are surrounded by the openings (12) is present and scattered on the entire surface of a chip. Or, a plurality of openings (12) are present on an optional straight line parallel with the surface (4a) of the semiconductor substrate (4) passing through a portion for shielding circuit devices (21) and circuit wirings (16) in the shielding portions (9).

A medical image processing apparatus of the invention comprises: a three-dimensional model estimating section that estimates a three-dimensional model of body tissues based on a two-dimensional image of an image of the body tissues inside a body cavity inputted from a medical image pickup apparatus; a voxel detecting section that detects one voxel existing on a nearest side in a view direction of the medical image pickup apparatus among the voxels included in the three-dimensional model; and a raised shape detecting section that acquires one curved surface including the one voxel to detect a position with gradient variation on the one curved surface and to determine whether or not body tissues with a locally raised shape exist in the position in the three-dimensional model.

A system or method for displaying a video segment recorded by a camera device on a display device disposed remotely from the camera device. Video segments may be transmitted over a network to a remote viewing location. Video segments sent from a plurality of camera devices may be compiled by a server and displayed on a single display device. Video segments may auto-scroll such that a user need not interact with this display device to begin playback of a video segment. The technology may be used for such purposes as an athlete reviewing videos captured by one or more coaches or spectators.

The invention discloses a brightness equalization method and apparatus for a vehicle-mounted surround view system. The method includes the steps of determining, according to magnitudes of brightness changes of historical images taken by a plurality of cameras, a current image taken by one camera as a first reference image; determining a current image captured by a camera located on the opposite side of the camera photographing the first reference image as a second reference image; determining, for an adjacent image located at the same side of the first reference image and the second reference image and taken currently by another camera, a brightness correction value of the adjacent image according to a first brightness difference and a second brightness difference of the adjacent image; and correcting the pixel brightness of the adjacent image according to the determined brightness correction value. The method of the invention can ensure the brightness consistency of a spliced image, make a fusion transition area more natural, and cause no occurrence of an obvious change of brightness to the whole spliced image, thereby facilitating the observation by a user and improving the user experience.

An electron beam device includes a first electron biprism between an acceleration tube and irradiation lens systems, and an electron biprism in the image forming lens system. The first electron biprism splits the electron beam into first and second electron beams, radiated to differently positioned first and second regions on objective plane of an objective lens system having a specimen perpendicular to an optical axis. The first and second electron beams are superposed on the observation plane by the electron biprism of the image forming lens system. The superposed region of those electron beams is observed or recorded. Optical action of the irradiation lens system controls each current density of the first and second electron beams on the objective plane of the objective lens system having the specimen, and distance on electron optics between the first electron biprism and the objective plane of the objective lens system having the specimen.

The invention provides a device and method for quantitative measurement of soft X-ray radiant flows in a local area. The device is characterized by comprising a pin hole, an X-ray imaging plate, a flat-response X-ray detector and an oscilloscope, wherein the pin hole is located in the front-most end, the X-ray imaging plate is located between the pin hole and the flat-response X-ray detector, a hole is formed in the X-ray imaging plate, the area of the hole is not greater than that of a cathode of the flat-response X-ray detector, the cathode of the flat-response X-ray detector is aligned to the hole formed in the X-ray imaging plate, and the oscilloscope is connected with the flat-response X-ray detector through a cable. Accordingly, the influence of hole shrinkage is avoided, and measurement of soft X-ray radiant flows in different areas is achieved.

The invention provides a cervical cancer screening detection kit. The kit comprises a p16/Ki-67 hybrid primary antibody, a hybrid enzyme-labeled secondary antibody and a staining solution, wherein thestaining solution comprises an AP-Red staining solution and a DAB staining solution, and the preparation method of the AP-Red staining solution comprises chromogen preparation, substrate preparationand staining solution preparation. A novel cervical cancer screening detection kit is provided in the technical scheme. The AP-Red staining solution of a novel formula is used in the kit, the chromogen in the staining solution possibly has multiple reactive groups, and the groups can react with groups on tissues so as to form covalent bonds, so that cervical cell slices using the kit can directlypass through organic reagents after staining, a water-based sealing agent does not need to be used for sealing the slices, bubbles are avoided, the thickness is controlled, the time and labor cost canbe saved, observation of staining results is prevented from being influenced, and the detection efficiency and detection quality are improved.

An object of the invention is to provide a medical diagnosis support device, an endoscope system, and a medical diagnosis support method where the visibility of a recognition result of a medical image is high.

A medical diagnosis support device according to an aspect of the invention includes an image acquisition section that acquires medical images in time series, a detection section that detects a region of interest included in the medical images, a discrimination section that performs the discrimination of the medical images, a display control section that causes a display device to display any one of a result of the detection or a result of the discrimination, and a setting section that sets a waiting time required until the display is performed after the detection or the discrimination is performed. In a case where an object to be displayed is switched between the result of the detection and the result of the discrimination, the display control section causes the result of the detection or the discrimination to be displayed when the waiting time has passed after the detection or the discrimination is performed.

An insertion portion, a projecting portion 1 that projects forward from a first distal end surface 10s of the insertion portion, a forward observing lens 7 that is provided to face a second distal end surface 1s of the projecting portion 1, a dual purpose lens 5 that is provided such that a light receiving surface 5j faces an outer peripheral side surface 1vg of the projecting portion 1 along the outer peripheral side surface 1vg of the projecting portion 1, a first forward illuminating lens 12 that is provided to face the first distal end surface 10s,; and a light shielding portion 20m that is located on a phantom line Q that linearly connects an end portion 5t at a distal end side of the dual purpose lens 5 and an end portion 12at at an outer side in a diameter direction K in the first forward illuminating lens 12 and prevents incidence of illumination light emitted from the first forward illuminating lens 12 on a light receiving surface 5j of the dual purpose lens 5, are included.

An electronic endoscope 10 is provided with an FM circuit 41 and an SSB modulation circuit 42. Electric power is supplied to the electronic endoscope 10 from a battery 32. The battery 32 is connected to a voltage detection circuit 35. The voltage detector 35 detects a voltage of the battery 32 and inputs the detected voltage to a CPU 30. The CPU 30 determines as to whether or not the voltage of the battery 32 is equal to or lower than a predetermined value. If the CPU 30 determines that the voltage is equal to or lower than the predetermined value, the CPU 30 causes the SSB modulation circuit 42, which consumes less power, to modulate image data.

The invention provides an improved multifunctional pathological sampling and slicing device comprising a main fixing rod, an auxiliary fixing rod, a slicing placing box, a retaining ring, a rotating tube, a U-shaped handle, an anti-sliding rubber sleeve, an odor adsorption discharge machine, a dustproof uncapping structure, a rapid dehumidification and moisture-proof ventilator, a position-movableadjustable adsorption frame, a damping spring, a rubber outer sleeve, a damping base and an anti-sliding rubber pad. The main fixing rod is horizontally welded to a middle position of the upper leftside of the slicing placing box. The arrangement of a hollowed-out cap, a discharge pipe, an exhaust motor, a machine base, fan blades, an intake conduit, a joining lining base, an air absorption cover and an adsorption ball is favorable for timely adsorption of odor generated by slicing, and the problem that the odor pollutes the environment during discharge can be solved; and the arrangement ofa joining base, a fixing frame, a dust cap, a dustproof sealing strip, a handle and a magnet block is favorable for preventing dust from entering the slicing placing box and affecting follow-up observation work of the slicing.