36 results about "Small eye" patented technology

An image sensing apparatus with artificial ommatidia includes an imaging optical lens group forming a concave focal surface, an artificial ommatidia unit having a curved top surface corresponding to the concave focal surface and a flat bottom surface, and an image sensor disposed under the artificial ommatidia unit. The artificial ommatidia unit is disposed under the imaging optical lens group so that the curved top surface is coincided with the concave focal surface of the imaging optical lens group. The artificial ommatidia unit having a plurality of artificial ommatidia collects light emitting from the imaging optical lens group, and guides the light to the bottom surface thereof.

The invention discloses a small target detection instrument based on Fourier optics and a detection method thereof. The detection instrument comprises an image acquisition preprocessing module, an image matching module and a small target detection and output module. The detection method utilizes a CCD camera to obtain a small-eye image, the small-eye image is outputted to a FPGA chip after being preprocessed by a programmable video signal processor to sequentially complete evaluation and splicing processing of matching parameters and nonlinear compression processing of bionic vision so as to obtain a compressed image, and the compressed image outputs a small target image after performing small target existence analysis and identification extraction processing by utilizing a DSP chip. The small target detection instrument is low in cost, low in calculation complexity and simple and flexible in principle, is not limited by movement speed of targets, can detect existence of small targets which are static in a scene or have identical movement speed with the scene, is strong in noise interference, and has certain robustness to complex backgrounds.

The invention discloses an artificial compound eye lens with controllable curvature and a preparation method thereof, belonging to the technical field of optics microcomponent. The method adopts a polymer to manufacture a die of a lens to be copied, and a double-faced method is adopted to prepare the artificial compound eye lens with controllable curvature by a plane compound eye lens array. The artificial compound eye lens prepared with the method of the invention comprises a substrate and a plurality of small holes on the external surface of the substrate, wherein the small hole is round, hexagonal or square, and the substrate and the compound eye lens are both prepared from polydimethylsiloxane. The artificial compound eye lens of the invention is suitable for various using environments, the small volume ensures that the artificial compound eye lens can directly form an optical imaging system on an image sensor or can replace the original single-aperture lens and is favourable for improving dynamic capture capability and spatial information capture capability.

The invention provides a photo processing method and an apparatus thereof. The method comprises detecting a photo to acquire the width of eyes on the photo; determining whether to magnify the eye parts in the photo according to the width of the eyes; determining the points to be transformed within the setting scope of the pupil center of each eye to be magnified on the photo when the eye parts in the photo are to be magnified; acquiring the mapping point corresponding to each point to be transformed according to the distance from the point to be transformed to the pupil center of the eyes to be magnified and a preset transformation template; and replacing the corresponding point to be transformed by the pixel of the mapping point. The photo processing method and the apparatus thereof of the invention can intelligently detect the position of eyes in the photo and identify the size of eyes and automatically perform natural smooth magnification of too small eyes, thus beautifying the figure image on the photo and improving the overall effect of the photo.

The invention discloses an artificial compound eye with an adjustable large eye curvature, belongs to the field of bionic optical element preparation, and adopts a wet etching assisted femtosecond laser direct writing technology to prepare a hard template with a small eye array inverse structure, and a flexible material can be quickly imprinted into a flexible small eye array film with 100% filling factors by using the hard template; a compound eye lens inner structure with a hollow flat cylindrical hole groove and a microfluidic channel is prepared through femtosecond laser direct writing, and a flexible small eye array film and the compound eye lens inner structure are bonded and integrated to form a planar compound eye structure; deionized water is injected into the fly-eye lens throughthe microfluidic channel, the flexible small eye array film can be rapidly driven to protrude upwards, and the artificial fly eye with the curvature flexibly adjusted by the deionized water injectionamount is obtained. The artificial compound eye prepared by using the wet etching assisted femtosecond laser direct writing technology has the advantages of high efficiency, uniformity and high filling factor, effectively realizes integration of a small eye array and any curvature surface shape, freely regulates and controls the large eye curvature of the artificial compound eye, and the like.

Provided is an optical sensor and an optical sensor fabricating method. The optical sensor includes: a substrate; and an ommatidia located on or inside the substrate, the ommatidia comprising a microlens which receives light, an optical waveguide which transfers the light received through the microlens, and a cone structure comprising a first end connected to the microlens and a second end connected to the optical waveguide, the cone structure having a diameter or a width decreasing in a direction from the first end to the second end.

The invention discloses a spherical multipath double-heterojunction quantum dot-based artificial compound eye laser system, which consists of a master controller, a constant current driving source and multiple quantum dot small eye laser units with the same structure, wherein each quantum dot small eye laser unit consists of a small eye laser emitting window, an external electrode, an upper-layer P-DBR (P-distributed bragg reflector), an upper blocking layer, an active area, a quantum dot, a lower blocking layer, a lower-layer N-DRB, an N<+> type substrate and an internal electrode. N quantum dot small eye laser units have the same geometric structure and matter distribution, emitted laser has the same wavelength characteristic, and N beams of continuous laser emitted from the small eye laser emitting windows along the directions of optical axes of each small eye and having a wavelength lambada are finally obtained. The system has the beneficial effects that key problems about efficient miniaturization of a multi-channel parallel compound eye laser are solved. According to an artificial compound eye laser, the wavelength and the intensity are selected, so that a compound eye can be adapted to different environments to detect various characteristics of stimulated emission, scattering and the like of a target.

The compressors of the invention comprise: a crankcase carrying a cylinder, inside which is lodged a piston provided with two radial holes and with one eccentric axial hole; a connecting rod having a smaller eye mounted in the interior of the piston and connected to a larger eye through a rod; a wrist pin provided with a diametral hole and disposed through the smaller eye of the connecting rod and through the opposite radial holes of the piston; and an elastic pin to be inserted in the eccentric axial hole of the piston and in the diametral hole of the wrist pin. The connecting rod incorporates an indexing stop which defines an axial seating surface for a tool for inserting the elastic pin, said axial seating surface being positioned at a predetermined distance from the axis of the smaller eye of the connecting rod.

The invention provides a raised drilling machine large drill removing method which comprises the steps of installing the inverted basket on a drill rod, fixing a steel wire on the inverted basket, fixing a large drill by using a steel wire, and retaining a remaining drill through a limit ring, and therefore, the drill rod does not poke a rock wall when the large drill is lifted. The invention hasthe advantages that the use of the inverted basket plays a key role in the handling of an accident, the problem of fixing the steel wire at a place is solved, the problem that people enters a small hole to process drill rod connection is avoided, the safety factor in the handling of an accident is greatly improved, and safety benefits are particularly impressive. The method is simple and practicaland ends only with one small shift in an actual operation. In addition, the limit ring is employed, with the cooperation of the tension of the two steel wires, the retaining drill can be pulled to amiddle position in the small hole, and a problem that the drill rod pokes to the rock wall when the retain drill is lifted is avoided.

The invention discloses a device and a method for detecting a moving target by using a multi-view camera, and the device comprises four cameras which are respectively a central camera C0, cameras C1-C3, and a control system. The existence of the target is detected through the cameras C1-C3. After a target is detected, a pulse is output to a camera C0, and the C0 is used for imaging the target. Thecamera carries out imaging through a spherical coordinate system, space information is mapped to the spherical coordinate system, and an equation of a tangent plane penetrating through one point on aplane is calculated. Then forming a conical projection from the target object to the small eye in a space spherical coordinate system, and then calculating to obtain an elliptical projection area S to obtain a target elliptical imaging result. According to the invention, the detection difficulty and complexity are reduced.

An image recognizing and diagnosing method for the oculus disease of fruit fly includes such steps as acquiring the oculus image of fruit fly, smoothing the image for removing noise, intensifying the image by non-linear logarithmic transformation, dividing the grayscale threshold of grayscale image (including dividing threshold and dividing pixels), screening the target image by area screening method to obtain binary target image, and judging the oculus disease.

The invention provides a method for increasing a scattering angle of a short-axis scattering direction of an anisotropic light-scattering material. The method is characterized in that both a substrateof the light-scattering material and a first scatterer are transparent polymers, particles having a smaller particle size are introduced into the polymer scatterer as a second scatterer, a compositescatterer having a complex eye structure is formed, a first scatterer is big eye, and the second scatterer is small eye. The anisotropy is achieved by controlling the orientation deformation of the big-eye scatterer in the substrate by controlling a tensile force field of a polymer melt; the small eye scatterer is selectively distributed in the big eye scatterer or at an interface of the big eye scatterer and the substrate, and the scattering angle of the short-axis scattering direction is increased by the multiple scattering action of the complex eye scatterer.

The invention discloses a flight object detection method based on double-channel alert quantum-dot compound eye system, and the method is realized in the double-channel alert quantum-dot laser system on the system of component eye bionic optics. The system is mainly composed of a main controller, a connecting rod, a left-eye three-axis revolver, a right-eye three-axis revolver and left and right compound eyes. The method comprises the steps of laser emission, rough tracking, initial positioning, fine tracking and spatial track description. The method has the advantages that active quantum dot laser emission sources and echo detection unit matching small eye channels are constructed in the compound eyes simultaneously, and the wavelength and the intensity are selected so that the compound eyes are adapted to different environments; a double-compound-eye three-axis continuous scanning detection manner is used to solve the problem in the fine tracking precision of a spatial object; and compared with that of a traditional system, the method is more suitable for 3D track detection of the flight object.

The invention relates to a bionic mantis shrimp compound eye image information collection system and a working method thereof. The system comprises a compound eye lens array for the compound eye collection of the information of a target scene. The compound eye lens array comprises a plurality of small-eye image collection units, and a guide rail assembly which is formed by the central symmetry jointing of a plurality of guide rails. Each small-eye image collection unit is located at the corresponding guide rail transmission mechanism, and the small-eye image collection units are symmetrically distributed relative to the center of the guide assembly. The small-eye image collection units respectively comprise a lens and an imaging device located at the lower end of the lens. The system also comprises a processor module which is connected with the imaging devices, and the processor module is suitable to be used for extracting the brightness values, obtained by all imaging devices, of the target scene, and controlling all small-eye image collection units to make synchronous movement in opposite directions along the guide rails, so as to adjusting the vision range of the compound eye lens array.

The small-hole guardrail linkage locking protection device comprises a belt conveyor main body, a protection guardrail, a guardrail door and a tearing protection main line box, the belt conveyor main body is located on the inner side of the protection guardrail, the guardrail door is hinged to the protection guardrail, the tearing protection main line box is fixedly connected to the front face of the protection guardrail, and the tearing protection main line box is fixedly connected to the front face of the protection guardrail. The front face of the guardrail door is fixedly connected with a tearing protection auxiliary wire box. The belt conveyor has the beneficial effects that the guardrail door is opened, the tearing protection main wire box and the tearing protection auxiliary wire box are far away from each other, and the infrared emitter and the infrared receiver on the tearing protection main wire box are staggered and disconnected, so that the tearing protection main wire box can control the belt conveyor main body to disconnect a power supply, and workers can safely and efficiently clean accumulated waste rocks clamped in holes; the safety coefficient of personnel is high, time is saved, manual emergency stop and contact stop switch locking are not needed, the application range is wide, the applicability is high, and the device is suitable for application and popularization.

The invention discloses a hemispherical space compound eye-like somatic cell laser-induced fluorescence detector, which adopts a spherical compound eye structure formed by splicing an upper hemisphere compound eye patch body and a lower hemisphere compound eye patch body, and performs laser excitation and immunofluorescence receiving on each small eye by adopting an LIF light path formed by a small eye light path structure, an excitation light path structure and a fluorescence light path structure, so that the dynamic detection of the to-be-detected cells in each angle of a three-dimensional space can be realized, and the dynamic detection of the spatial distribution and change of specific antigen molecules in the cells can be realized. The detector structurally comprises an excitation light path structure, a fluorescence light path structure, a flow type sample injector and a spherical compound eye structure, wherein the spherical compound eye structure comprises an upper hemisphere compound eye patch body and a lower hemisphere compound eye patch body which can be closely spliced, the upper hemisphere compound eye patch body and the lower hemisphere compound eye patch body are provided with small eye light path structures, and the small eye light path structure is connected with the excitation light path structure and the fluorescence light path structure.

The invention discloses a bionic compound eye image acquisition device. The bionic compound eye image acquisition device comprises a visual experiment table, a small eye system, an image sensor, a zoom lens and a data processing system; the small eye system comprises a plurality of small spectacle lenses, the plurality of small spectacle lenses are arranged in a matrix and distributed on a spherical surface with a set curvature radius, and a convex spherical surface of the small eye system faces a picture to be imaged; the image sensor is fixed on the visual experiment table and is positionedon the concave spherical surface side of the ommatidium system; the zoom lens is connected with the image sensor, and the center of the zoom lens is opposite to a small spectacle lens located in the center of the small eye system; and the image sensor is connected with the data processing system. According to the method, the problem that the compound eye spatial resolution is too low due to the small eye size in a traditional compound eye model is solved, meanwhile, the space of the image sensor can be fully utilized, and the system cost is reduced.

The invention relates to a mantis shrimp compound eye simulated image information acquisition system and an operation method thereof. The mantis shrimp simulated image information acquisition system comprises the components of a compound eye lens array which is used for acquiring target scene information by a compound eye, wherein the compound eye lens array comprises a plurality of small eye image acquisition units, and a guiderail assembly which is obtained through splicing a plurality of guiderails in a central symmetric manner, the small eye image acquisition units are arranged on the transmission mechanisms of the guiderails and are in symmetric arrangement relative to the center of the guiderail assembly, wherein each small eye image acquisition unit comprises a lens and an imaging device behind the lens; and a processor module which is connected with each imaging device and is suitable for extracting an objective scene brightness value which is acquired by each imaging device and makes each small eye image acquisition unit perform synchronous face-to-face movement or opposite equal-speed movement along the guiderail, thereby adjusting the vision field range of the compound eye lens array.