Abstract: A light source spectrum acquisition method includes: acquiring a multispectral image, and determining a multispectral response value of each pixel in the multispectral image; reconstructing an RGB image according to the multispectral image; converting the RGB image into a grayscale image; and determining a target region in the grayscale image, wherein in the target region a grayscale value is less than or equal to a threshold, and calculating a light source spectrum response value according to multispectral response values of pixels of the multispectral image corresponding to the target region.

Abstract: A method for manufacturing an image sensor, includes: obtaining feature parameter sets of filters corresponding to different wavelengths in a filter unit set, where the image sensor includes at least one filter unit set, the image sensor is manufactured in one of candidate manufacturing methods, and the feature parameter sets correspond to the candidate manufacturing methods; inputting the feature parameter sets of the filters and a preset parameter set into a feature vector conversion model, to obtain feature vectors based on detection targets; inputting the feature vectors into a detection model corresponding to an application scenario type associated with the image sensor, and calculating a corresponding detection accuracy; and selecting a feature parameter set of a filter unit set corresponding to a highest detection accuracy corresponding to the candidate manufacturing methods, and using a candidate manufacturing method corresponding to the selected feature parameter set as an initial manufacturing metho

Abstract: A method includes: obtaining a registration depth map and a target spectral image; obtaining depth information of a target point from the registration depth map, and obtaining a first grayscale value of the target point; calculating 3D coordinate information of the target point according to the depth information of the target point, a first internal parameter of the imaging spectrum device, and first coordinate information of the target point in the target spectral image; determining normal vector information corresponding to the target point according to neighboring points of the target point; inputting the 3D coordinate information and the normal vector information into a full-light model of a diffuse reflecting plate to obtain a second grayscale value; and obtaining reflectance of the diffuse reflecting plate, and calculating reflectance of the target point according to the reflectance of the diffuse reflecting plate, the first grayscale value, and the second grayscale value.

Abstract: A sensor includes a microlens array, a filter array, and a photosensitive chip that are sequentially arranged along a direction of incident light. The photosensitive chip includes a plurality of pixel units. The filter array includes at least one filter unit set. Each of the at least one filter unit set includes a plurality of filters corresponding to different wavelengths. The filters in each of the at least one filter unit set are arranged according to optimal image acquisition indicators corresponding to each of the at least one filter unit set. The microlens array includes at least one microlens unit. The at least one microlens unit is configured to converge the incident light, and focus the converged incident light on the photosensitive chip after passing through the filter array.

Abstract: An image sensor includes a microlens array, a filter array, and a photosensitive chip sequentially arranged along a direction of incident light. The photosensitive chip includes a plurality of pixel units. The filter array includes at least one filter unit set. Each of the at least one filter unit set includes a plurality of filters corresponding to different wavelengths. Each of the plurality of filters is configured for a corresponding wavelength of the incident light to pass. The microlens array includes at least one microlens unit. The at least one microlens unit is configured to converge the incident light, and focus the converged incident light on the photosensitive chip after passing through the filter array.