Abstract: The present disclosure discloses an optical lens assembly which includes, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The first lens may have negative refractive power, a convex object-side surface, and a concave image-side surface. The second lens may have negative refractive power, a convex object-side surface, and a concave image-side surface. The third lens may have positive refractive power, and both object-side and image-side surfaces thereof are convex. The fourth lens may have positive refractive power, and both object-side and image-side surfaces thereof are convex. The fifth lens may have negative refractive power, and both object-side and image-side surfaces thereof are concave. The sixth lens may have positive refractive power, and both object-side and image-side surfaces thereof are convex.

Abstract: The present disclosure discloses an optical lens assembly including, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. An object-side surface of the first lens is convex, and an image-side surface thereof is concave. The second lens has negative refractive power. The third lens has positive refractive power. The fourth lens has positive refractive power, and both an object-side surface and an image-side surface thereof are convex. The fifth lens has positive refractive power. The sixth lens has negative refractive power.

Abstract: A lens assembly for an optical imaging lens is disclosed, which includes a first lens, wherein the first lens has a negative power, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens, wherein the sixth lens has a positive power, wherein the second lens and the third lens define a first cemented achromatic lens assembly, and the fourth lens and the fifth lens define a second cemented achromatic lens assembly, wherein the first lens, the first cemented achromatic lens assembly, the second cemented achromatic lens assembly and the sixth lens are orderly arranged along the direction from the object side to the image side.

Abstract: An interframe registration and adaptive step size-based non-uniformity correction method for an infrared image, comprising: first calculating a normalized cross-power spectrum of n-th and (n?1)-th original infrared images with the non-uniformity, and then calculating a horizontal relative displacement and a vertical relative displacement of the n-th and (n?1)-th original infrared images with the non-uniformity; calculating a space variance and a time variance of each pixel of the n-th original infrared image with the non-uniformity, using the obtained space variance and time variance to calculate an adaptive iterative step size of each pixel of the n-th original infrared image with the non-uniformity, and using the iterative step size to update a gain correction coefficient and a bias correction coefficient; finally, performing non-uniformity correction on the pixel in an overlapping area of the n-th and (n?1)-th original infrared images with the non-uniformity.

Abstract: A non-uniformity correction method for an infrared image based on guided and high-pass filtering includes: assigning high-frequency component of first image frame of original image sequence to first fixed pattern noise f1; successively loading N-th image frame of the original image sequence with non-uniformity as current image frame, determining a difference between the current image frame and (N?1)-th image frame to obtain (N?1)-th differential image frame, and obtaining a relative change amplitude of each image element of (N?1)-th image frame according to the (N?1)-th differential image frame; and performing high-pass filtering based on a combination of a high-frequency component of the current image frame obtained through guided filtering and the relative change amplitude to obtain n-th fixed pattern noise fn, and performing non-uniformity correction on the current image frame according to fn to obtain a correction result of the current image frame, where N?2, n?2.

Abstract: An optical lens includes a first lens having negative power, a second lens having positive power, a third lens, a fourth lens, and a fifth lens having positive power. The third lens and the fourth lens form an achromatic lens group. The fifth lens has two surfaces and at least one of the two surfaces is an aspherical surface.

Abstract: An optical lens assembly and an imaging device including the optical lens assembly are disclosed. The optical lens assembly may include, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The first lens may have a negative refractive power; the second lens may have a positive refractive power; the third lens may have a positive refractive power; the fourth lens may have a negative refractive power, an object-side surface thereof is a convex surface and an image-side surface thereof is a concave surface; the fifth lens may have a positive refractive power, and both of an object-side surface and an image-side surface thereof are convex surfaces; and the sixth lens may have a negative refractive power.

Abstract: A non-uniformity correction method for an infrared image based on guided and high-pass filtering includes: assigning high-frequency component of first image frame of original image sequence to first fixed pattern noise f1; successively loading N-th image frame of the original image sequence with non-uniformity as current image frame, determining a difference between the current image frame and (N-1)-th image frame to obtain (N-1)-th differential image frame, and obtaining a relative change amplitude of each image element of (N-1)-th image frame according to the (N-1)-th differential image frame; and performing high-pass filtering based on a combination of a high-frequency component of the current image frame obtained through guided filtering and the relative change amplitude to obtain n-th fixed pattern noise fn, and performing non-uniformity correction on the current image frame according to fn to obtain a correction result of the current image frame, where N?2, n?2.

Abstract: The present disclosure discloses an optical lens assembly and an imaging device including the same. The optical lens assembly includes seven lenses, wherein a first lens has a negative refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; a second lens has a negative refractive power, and an image-side surface thereof is a concave surface; a third lens has a negative refractive power, and an object-side surface thereof is a concave surface; a fourth lens has a positive refractive power, and an object-side surface thereof is a convex surface; an object-side surface of a fifth lens is a convex surface; and a seventh lens has a positive refractive power, and an object-side surface thereof is a convex surface. The optical lens assembly satisfies TTL/h/FOV?0.025.

Abstract: The present invention relates to an optical lens assembly and an imaging device. The optical lens assembly comprises, in order from an object side to an image side: a first lens (L1) being a meniscus lens having a negative focal power, the first lens having an object side surface (S1) being a convex surface, and an image side surface (S2) being a concave surface; a second lens (L2) having a negative focal power, an image side surface (S4) of the second lens being a concave surface; a third lens (L3) being a meniscus lens having a positive focal power, the third lens having an object side surface (S5) being a concave surface, and an image side surface (S6) being a convex surface; a fourth lens (L4); a fifth lens (L5) cemented to the fourth lens; and a sixth lens (L6) having a positive focal power. With the optical lens assembly and the imaging device according to the present invention, high resolution can be obtained while maintaining the miniaturization of the optical lens assembly.

Abstract: An optical lens comprises: a first lens having a negative focal power; a second lens; a third lens; a fourth lens; a fifth lens, wherein the fourth lens and the fifth lens forms an achromatic lens group; and a sixth lens, wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens are sequentially disposed along a direction from an object side to an image side, wherein the first lens has at least one object surface facing the object side, and the object surface of the first lens is convex, and wherein the second lens has at least one image surface facing the image side, and the image surface of the second lens is convex so as to facilitate forming a concentric circle structure.

Abstract: A system providing a decentralized gateway for external entry into a private blockchain holding where the private blockchain and the gateway use different processors in that a first processor is used to reach consensus on public to private transactions as compared to a second processor used to reach consensus on private to private transactions on the peer to peer network. The manner of reaching consensus for both processors may be the same or different, but different sources of data are used.

Abstract: An optical lens includes a first lens having negative power, a second lens having positive power, a third lens, a fourth lens, and a fifth lens having positive power. The third lens and the fourth lens form an achromatic lens group. The fifth lens has two surfaces and at least one of the two surfaces is an aspherical surface.

Abstract: A method and apparatus are disclosed for determining behaviour of a plurality of candidate objects in a multi-candidate object scene. The method comprises the steps of frame-by-frame, extracting behaviour features from video data associated with a scene, providing the behaviour features to an input of a recognition module comprising an interval Type 2 Fuzzy Logic (IT2FLS) based recognition model and classifying candidate object behaviour for a plurality of candidate objects in a current frame by selecting a candidate behaviour model having a highest output degree for each candidate object.

Abstract: A lens assembly for an optical imaging lens is disclosed, which includes a first lens, wherein the first lens has a negative power, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens, wherein the sixth lens has a positive power, wherein the second lens and the third lens define a first cemented achromatic lens assembly, and the fourth lens and the fifth lens define a second cemented achromatic lens assembly, wherein the first lens, the first cemented achromatic lens assembly, the second cemented achromatic lens assembly and the sixth lens are orderly arranged along the direction from the object side to the image side.

Abstract: Camphor-derived compounds are disclosed, which are represented as the following formula (I): wherein R1, R2, R3, and R4 each are defined as described in the specification. In addition, a method for manufacturing the camphor-derived compounds and application thereof are disclosed.

Abstract: A method for forming a metastable intermolecular composite (MIC) includes providing a vacuum level of <10?8 torr base pressure in a deposition chamber. A first layer of a first material of a metal that is reactive with water vapor is deposited, followed by depositing a second layer of a second material of a metal oxide on the first layer. The first and second material are capable of an exothermic chemical reaction to form at least one product, and the first and second layer are in sufficiently close physical proximity so that upon initiation of the exothermic reaction the reaction develops into a self initiating chemical reaction. An interfacial region averaging <1 nm thick is formed between the first layer and second layer from a reaction of the first material with water vapor. In one embodiment, the first material is Al and the second material is CuOx.

Abstract: A metastable intermolecular composite (MIC) and methods for forming the same includes a first material and a second material having an interfacial region therebetween. The first and second material are capable of an exothermic chemical reaction with one another to form at least one product and are in sufficiently close physical proximity to one another so that upon initiation the exothermic reaction develops into a self initiating reaction. At least one of said first and second materials include a metal that is reactive with water vapor at room temperature. The interfacial region averages <2 nm thick, such as <1 nm thick. In one embodiment, the first material is Al and the second material is CuOx.

Abstract: Camphor-derived compounds are disclosed, which are represented as the following formula (I): wherein R1, R2, R3, and R4 each are defined as described in the specification. In addition, a method for manufacturing the camphor-derived compounds and application thereof are disclosed.