Provided is an imaging system including a phase mask including a phase modulation meta surface coded with an image reconstruction phase function configured to reconstruct an image, the image reconstruction phase function being obtained by adding a first phase function corresponding to a lens phase to a second phase function which is a random function, and an image sensor configured to convert light, transmitted through the phase mask from an object, into an electrical signal.

There is provided an imaging device manufacturing apparatus, a method for manufacturing an imaging device, and an imaging device that are designed to be capable of increasing the quality of an image to be reconstructed by a lensless camera. The lensless camera includes a mask that has a plurality of lenses that transmit and condense incident light in part of a light shielding material, and modulates and transmits the incident light; an imaging element that images the incident light modulated by the mask as a pixel signal; and a signal processing unit that reconstructs the pixel signal as a final image by signal processing, the optical axis directions of the lenses to be disposed in the mask are adjusted so that only the incident light having passed through the mask is condensed and enters the imaging element. The present disclosure can be applied to lensless cameras.

There is provided an imaging device manufacturing apparatus, a method for manufacturing an imaging device, and an imaging device that are designed to be capable of increasing the quality of an image to be reconstructed by a lensless camera. The lensless camera includes a mask that has a plurality of lenses that transmit and condense incident light in part of a light shielding material, and modulates and transmits the incident light; an imaging element that images the incident light modulated by the mask as a pixel signal; and a signal processing unit that reconstructs the pixel signal as a final image by signal processing, the optical axis directions of the lenses to be disposed in the mask are adjusted so that only the incident light having passed through the mask is condensed and enters the imaging element. The present disclosure can be applied to lensless cameras.

An imaging device (1) includes an element layer (20) including an image forming element (20a), an illumination element (30) provided at the same position as that of the element layer (20) or behind the element layer (20) in the forward-and-rearward direction, and an imaging element (40) provided behind the image forming element (20a) and the illumination element (30). The illumination element (30) is provided at a position different from that of the image forming element (20a) when viewed from the forward-and-rearward direction.

An image generating system that generates a focal image of a target object on a virtual focal plane located between a plurality of illuminators and an image sensor (b) carries out the following (c) through (f) for each of a plurality of pixels constituting the focal image, (c) carries out the following (d) through (f) for each of the positions of the plurality of illuminators, (d) calculates a position of a target point that is a point of intersection of a straight line connecting a position of the pixel on the focal plane and a position of the illuminator and a light receiving surface of the image sensor, (e) calculates a luminance value of the target point in the captured image by the illuminator on the basis of the position of the target point, (f) applies the luminance value of the target point to the luminance value of the pixel, and (g) generates the focal image of the target object on the focal plane by using a result of applying the luminance value at each of the plurality of pixels.

An imaging device includes a plurality of pixels that receives incident light entering from an object after passing through neither an imaging lens nor a pinhole, and each outputs a detection signal indicating an output pixel value modulated in accordance with an incident angle of the incident light. The imaging device is attached to a vehicle so that a light receiving surface faces a side of the vehicle, and the average of the centroids of incident angle directivities indicating directivities of the plurality of pixels with respect to the incident angle of the incident light deviates in one direction from the center of the pixel. The present technology can be applied to an electronic sideview mirror, for example.

An imaging device includes a plurality of pixels that receives incident light entering from an object after passing through neither an imaging lens nor a pinhole, and each outputs a detection signal indicating an output pixel value modulated in accordance with an incident angle of the incident light. The imaging device is attached to a vehicle so that a light receiving surface faces a side of the vehicle, and the average of the centroids of incident angle directivities indicating directivities of the plurality of pixels with respect to the incident angle of the incident light deviates in one direction from the center of the pixel. The present technology can be applied to an electronic sideview mirror, for example.

A method for manufacturing a phase mask and a lens-less camera module comprises the steps of: obtaining a replica mold on which an inverted phase shift pattern is formed in which a phase shift pattern of a master phase mask spaced apart from an image sensor is inverted; calculating a thickness of a phase mask disposed on the image sensor replacing the master phase mask; arranging a photocurable material for implementing the phase mask on the image sensor to a calculated thickness, placing the replica mold on an upper surface of the photocurable material, and then curing the photocurable material; and removing the replica mold from the top of the phase mask, so that the focal distance change or parallel movement does not occur depending on the position of the phase mask.

A method for manufacturing a phase mask and a lens-less camera module comprises the steps of: obtaining a replica mold on which an inverted phase shift pattern is formed in which a phase shift pattern of a master phase mask spaced apart from an image sensor is inverted; calculating a thickness of a phase mask disposed on the image sensor replacing the master phase mask; arranging a photocurable material for implementing the phase mask on the image sensor to a calculated thickness, placing the replica mold on an upper surface of the photocurable material, and then curing the photocurable material; and removing the replica mold from the top of the phase mask, so that the focal distance change or parallel movement does not occur depending on the position of the phase mask.

An imaging system includes multiple diffractive optical gratings disposed over a two-dimensional array of photosensitive pixels. The different gratings present different patterns and features that are tailored to produce point-spread responses that emphasize different properties of an imaged scene. The different responses are captured by the pixels, and data captured from the responses can be used separately or together to analyze aspects of the scene. The imaging systems can include circuitry to analyze the image data, and to support modes that select between point-spread responses, selections of the pixels, and algorithms for analyzing image data.