8 results about "Lens flare" patented technology

This application discloses a method, apparatus, and electronic device for generating lens flare. The method includes: generating a set of patches corresponding to the lens flare based on its attribute information; obtaining a set of sequence maps corresponding to the patch set; determining the sampled texture coordinates of the multi-frame textures based on the original texture coordinates of the patch set and the region information of the areas where the multi-frame textures are located in the sequence map set; sampling the sequence map set based on the sampled texture coordinates of the multi-frame textures to obtain the texture information of the patch set; and generating the lens flare based on the texture information of the patch set. This application solves the technical problems of complex lens flare generation processes and poor generation effects in related technologies.

To provide a method for eliminating lens flare which contributes to elimination of lens flare reflected in an image captured by irradiating a target with coaxial epi-illumination light via a lens and receiving the reflected light via the lens.SOLUTION: A method for eliminating lens flare includes an image collection step of irradiating coaxial epi-illumination light while changing the irradiation intensity in a state where no target object is placed on a mounting table, and capturing images at each irradiation intensity to collect a plurality of images; a target object imaging step of irradiating the target object placed on the mounting table with coaxial epi-illumination light at an arbitrary irradiation intensity to capture an image of the target object; a correction image generation step of estimating, based on the plurality of images collected in the image collection step, a correction image which is an image at the irradiation intensity irradiated in the target object imaging step; and a flare elimination step of eliminating the lens flare from the image of the target object by taking the difference between the image of the target object and the correction image.SELECTED DRAWING: Figure 4

This invention relates to the field of optical inspection equipment technology, and particularly to a rapid lens flare detection device, comprising: a driving mechanism, a planar LED inspection mechanism, and a multi-field-of-view screening mechanism; the planar LED inspection mechanism and the multi-field-of-view screening mechanism respectively perform rapid inspection and screening of lens flare, using real imaging conditions to assist in evaluating the degree of lens flare. The driving mechanism includes: a linear module, a sliding module, an L-shaped support plate, and a tray; the linear module is symmetrically fixed on a horizontal working platform, and the sliding module is installed at the driving end of the linear module, driving the sliding module to slide and adjust on the X-axis; several L-shaped support plates are installed at the driving end of the sliding module, driving the L-shaped support plates to slide and adjust on the Y-axis. This invention enables multi-station planar rapid inspection, combined with multi-field-of-view point light source screening of lens flare degree, improving inspection efficiency and reducing the risk of missed detection.

The present invention provides an image processing method and a readable storage medium. Among them, the image processing method includes: acquiring RAW data based on a QPD array or an image sensor similar to a QPD array; calculating the non-uniformity of at least a part of the units; obtaining a flare correction value corresponding to each of the units / pixels based on the non-uniformity; and correcting the RAW data based on the flare correction value. With such a configuration, the flare and ordinary object light are distinguished based on the non-uniformity caused by the flare to the pixels within the same unit, and then the original image is corrected for flare based on this. The final obtained image has a good flare elimination effect and is not limited to a specific external environment, flare color, and flare mode, solving the problem of poor applicability of the existing methods for eliminating lens flare.

The invention relates to a light absorbing flange lens. A light absorbing flange lens that can be used in a lens stack of a compact lens system is disclosed. In a light absorbing flange lens, an effective area of the lens is comprised of a transparent optical material, and at least a portion of the flange of the lens is comprised of an optical material that absorbs at least a portion of light entering the flange. The use of a light absorbing flange lens may allow elimination of a lens barrel from the lens system, thereby reducing the X-Y size of the lens system, when compared to a conventional compact lens system that includes a lens stack enclosed in the lens barrel. Further, the use of light-absorbing material in the flange of the light-absorbing flange lens may reduce or eliminate optical aberrations in an image, such as lens flare, haze, and ghosting.

The utility model discloses a lens stray light detection device. The device comprises a supporting platform; the first linear moving module is mounted on the supporting platform and used for driving the second linear moving module to move in the first direction; the second linear moving module is used for driving the lens adjusting unit to move along a second direction; a first mounting seat of the lens adjusting unit is connected with the second linear moving module, a first motor is connected with the first mounting seat and used for driving the second mounting seat to rotate around a third direction, and a second motor is connected with the second mounting seat and used for driving the first fine tuning unit to rotate around a second direction; the first fine-tuning unit is used for driving the second fine-tuning unit to move along a first direction and a third direction, the second fine-tuning unit is used for driving the camera to move along a second direction, and the camera is also used for connecting a lens which can move and adjust along the second direction relative to the camera; and the illumination unit is used for providing illumination light for the lens. The device can improve the accuracy and efficiency of stray light detection, and is wide in application range.

The utility model relates to a lens detection device. The lens detection device comprises a shading half shell, a functional half shell and a plurality of point light sources, the functional half shell and the shading half shell jointly define a working cavity for isolating external light, the functional half shell is provided with a window, the window is used for containing a lens, the lens partially extends into the working cavity and faces the shading half shell, and the point light sources are arranged in the working cavity. The plurality of point light sources are arranged on the inner wall of the shading half shell at intervals, and at least one of the plurality of point light sources is set to be capable of being independently switched on and off. According to the invention, a standard controllable scene is provided for lens Flare detection, point light sources at different positions can be controlled to emit light to the lens, the precision of lens Flare detection is improved, and the detection accuracy is improved.

A method for eliminating lens flare that eliminates lens flare is provided. The lens flare elimination method performs: a step for acquiring images by irradiating the coaxial episcopic illumination light with varying irradiation intensities and capturing images at each irradiation intensity while the object is not placed on the mounting table; a step for capturing an image of the object by irradiating the object placed on the mounting table with the coaxial episcopic illumination light at an arbitrary irradiation intensity; a step for estimating an image for correction, which is the image at the irradiation intensity irradiated when the measurement object is captured, based on the images acquired in the image acquiring step; and a step for generating a post-correction image in which the lens flare is eliminated from the image of the object by obtaining the difference between the image of the object and the image for correction.