8results about How to "Increase illumination" patented technology

The present application belongs to the technical field of image enhancement in coal mine, and specifically discloses a coal mine image enhancement method, system, computer device and storage medium. Firstly, a glow imaging degradation model is established to obtain a glow image, and a layer separation method is used to remove the glow to obtain a de-glow image; then, on the basis of a low-illumination enhancement SRLLIE method, a target function of the low-illumination enhancement SRLLIE method is improved according to the de-glow image, the improved target function is iteratively solved, an illumination graph with suppressed overexposure and retained structural details and a de-noised reflection graph are obtained; then, the brightness of the illumination graph is adjusted by using an S-shaped gamma correction function to obtain an optimized illumination graph; finally, the optimized illumination graph and the reflection graph are point multiplied according to the Retinex theory to obtain an enhanced image. The present application can not only effectively improve the brightness of the image and suppress over-enhancement, but also restore the image detail information and improve the visual effect of the image.

The application discloses a low-illumination image enhancement method, system, device and medium, relates to the field of image processing, and comprises the following steps: performing color space conversion and channel decoupling on a low-illumination RGB image to obtain a luminance component; performing current mapping on the luminance component to obtain a driving current; utilizing the resistance state flipping probability of a magnetic tunnel junction device and the Sigmoid relationship of the applied current, performing nonlinear mapping enhancement on the luminance component based on the driving current to obtain an enhanced luminance component; and performing image reconstruction based on the enhanced luminance component to obtain an enhanced image. The application can realize efficient enhancement of the luminance of a low-illumination image and solve the problems of slow response, high power consumption, color distortion and poor edge adaptability of a traditional scheme.

This application proposes a high-intensity tri-proof lamp comprising a lamp body, a heat sink, and a light source plate. The lamp body is co-extruded from a diffusing material and an opaque material, and has a diffuser cover. The inner surface of the diffusing material portion of the diffuser cover forms a serrated light-controlling structure. The light source plate is disposed within the lamp body. The light source plate is disposed within the lamp body, located on the heat sink, and facing the diffuser cover. Through the structural design of the diffusing and opaque materials, the tri-proof lamp achieves excellent light control while still meeting the requirements for waterproofing, dustproofing, and corrosion resistance.

The utility model relates to the technical field of lighting, especially in kind of double polarized distribution optical system and lamps and lanterns of the combination of reflector cup and lens, optical system includes reflector cup, lens, with the light outlet of reflector cup corresponds, the lens has first polarized part and second polarized part, first polarized part is used for polarized light to first side to second polarized part for polarized light to second side opposite to first side. The double polarized distribution optical system of the combination of reflector cup and lens can make the light of the same light source can illuminate two sides simultaneously, need not set up two groups of light source respectively, can satisfy the illumination need of two target areas under the condition of reducing cost and volume, uses the combination of reflector cup and lens to realize bidirectional polarized light, can effectively improve light utilization, improve the illumination of two target areas, satisfy the illumination need under the condition of reducing energy consumption.

The invention relates to a small low-distortion all-glass lens and an imaging method. An optical system of the lens is composed of a first lens, a second lens, a diaphragm, a third lens, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged from left to right along a light incident light path. Wherein the fifth lens and the sixth lens form a balsaming lens group. According to the lens, the design of six glass spherical lenses is adopted, the design requirements of miniaturization, low distortion and high illumination are met by optimizing the parameters of all the lenses and the distance on the axis, meanwhile, the small-aperture design is adopted, the field depth range is enlarged, the athermalization design is achieved through combination with the selection freedom degree of all-glass materials, and the lens is more compact in structure and more compact in structure. And the environmental reliability of the lens is greatly improved.

This invention discloses a double-sided light guide plate and its processing method, as well as a backlight module, relating to the field of light guide plate processing technology. The double-sided light guide plate includes a light guide plate body, which includes a first surface and a second surface disposed opposite to each other. The light guide plate body also includes a light-incoming surface and a light-guiding side surface disposed between the first surface and the second surface. Both the first surface and the second surface include a positioning surface and a light-guiding surface disposed sequentially away from the light-incoming surface. Positioning grooves are formed on both the first positioning surface and the second positioning surface. The positioning grooves extend along a first direction parallel to the light-incoming surface, and at least part of the positioning grooves are arc grooves with intersecting engraved lines. A reflective coating is provided on the light-guiding side surface between the first light-guiding surface and the second light-guiding surface. By adopting a partitioned arrangement of the positioning surface and the light-guiding surface, light with a large scattering angle is refracted outward in the positioning surface. Combined with the reflective coating, the technical effects of light spot suppression and improved uniformity are achieved.

This invention relates to the field of portable lighting fixtures, and more particularly to a portable LED lighting fixture, comprising a base. A rotating ring assembly, composed of multiple concentric rings, is installed in the center of the base. These concentric rings are rotatably connected by rotating rods. The rotating rods on the inner and outer sides of the concentric rings are vertically distributed. A base column is rotatably connected to the center of the innermost concentric ring via a rotating rod. A counterweight is fixedly connected to the bottom of the base column, and the counterweight is located in the lower part of the base. An electric push rod is installed in the upper part of the base column, and a fixing frame is fixedly connected to the top of the electric push rod. A fixing seat is fixedly connected to the bottom of the fixing frame, and a guide strip is fixedly connected to the center of the bottom end of the fixing seat. This invention allows for free control of the number of illuminated light panels and the actual luminous area according to ambient brightness and lighting requirements. It can achieve both concentrated high-brightness lighting in a small area and full-area illumination by activating all light panels, distributing light power as needed.

This invention discloses a focusing module and a laser optical system. The focusing module is used to gather and / or focus excitation light to a wavelength conversion device. The excitation light has a beam quality product in the x-axis direction that is greater than the beam quality product in the y-axis direction. The focusing module includes a module support, a focusing support, and a focusing lens group. The focusing lens group includes a first lens with negative refractive power, a second lens with positive refractive power, and a third lens with positive refractive power, arranged sequentially. The module support has a first mounting cavity in which the first lens is disposed. The focusing support has a second mounting cavity in which the third lens is disposed. The focusing module can efficiently shape and focus asymmetrical excitation light, has a simple and compact structure, and exhibits excellent focusing effect.