Imaging systems, and image pixels and related methods. At least one example is an image sensor comprising a plurality of image pixels. Each image pixel may comprise: a color router defining a router collection area on an upper surface; a first photosensitive region beneath the color router; a second photosensitive region beneath the color router; and a third photosensitive region beneath the color router. The color router may be configured to route photons of a first wavelength received at the router collection area to the first photosensitive region, route photons of a second wavelength received at the router collection area to the second photosensitive region, and route photons of a third wavelength received at the router collection area to the third photosensitive region.

A camera module according to various embodiments of the present invention comprises a lens module including at least one lens, and an image sensor module coupled to the lens module, wherein the image sensor module comprises a micro lens, at least one photodiode, and a filter array, the filter array includes a first filter capable of transmitting light of a first designated band and a second filter capable of transmitting light of a second designated band corresponding to a color having a complementary color relationship with another color corresponding to the first designated band, and the filter array may be disposed between the micro lens and the at least one photodiode. Various other embodiments are possible.

A venous positioning projector includes an infrared light source module, a light splitting element, an infrared light image capture module, a processor, and a visible light projection module. The infrared light source module outputs a first infrared light to a target surface. The infrared light image capture module includes a filter and an infrared light image capture element. The light splitting element transmits a second infrared light reflected by the target surface to the filter. The infrared light image capture element receives the second infrared light passing through the filter. The processor generates venous image data according to the first infrared light and the second infrared light received by the infrared light image capture element. The visible light projection module generates a visible light based on the venous image data. The visible light is transmitted to the target surface through the light splitting element to generate a venous image.

An apparatus includes a camera and a processor circuit. The camera may be configured to capture color images in response to visible light and monochrome infrared images in response to infrared light. The processor circuit may be configured to extract color features from the color images and add color to corresponding monochrome features detected in the monochrome infrared images.

An apparatus includes a camera and a processor circuit. The camera may be configured to capture color images in response to visible light and monochrome infrared images in response to infrared light. The processor circuit may be configured to extract color features from the color images and add color to corresponding monochrome features detected in the monochrome infrared images.

A method of obtaining a plurality of infrared images of a banknote that involves simultaneously illuminating the banknote with infrared light at a first wavelength and infrared light at a second wavelength, capturing an image of the banknote with an RGB camera, obtaining from both a first output channel signal and a second output channel signal of the RGB camera sensor where the intensity distribution of the infrared light at the first wavelength and the intensity distribution of the infrared light at the second wavelength uses a first calibration coefficient and a second calibration coefficient of the RGB camera sensor, producing separate infrared images of the banknote at the first wavelength and the second wavelength from the respective intensity distributions.

A pixel portion includes photodiodes formed on a semiconductor substrate as photoelectric conversion portions, and includes: a high absorption layer (HA layer) for controlling a reflection component of incident light on one surface side of the photodiodes (photoelectric conversion portions), and re-diffusing the incident light in the photoelectric conversion portions, on one surface side of the photodiodes upon which light is incident; and a diffused light suppression structure for suppressing diffused light (caused by light scattering) in a light incident path toward one surface side of the photoelectric conversion portions including the high absorption layer. Due to this, a solid-state imaging apparatus capable of reducing crosstalk between pixels, achieving miniaturization of pixel size, reducing color mixing, and achieving high sensitivity and high performance can be realized.

To provide an imaging device that allows miniaturization to be achieved in an in-plane direction without impairing operation performance. This imaging device includes a first pixel and a second pixel. The first pixel includes m (m represents an integer greater than or equal to 2) first wiring lines and m first gate electrodes that are coupled to the m respective first wiring lines. The second pixel includes n (n represents a natural number smaller than m) second wiring lines and n second gate electrodes that are coupled to the n respective second wiring lines.

A multi-spectrum based image fusion apparatus is disclosed, which includes a light acquisition device, an image processor, and an image sensor having five types of photosensitive channels. The five types of photosensitive channels including red, green and blue RGB channels, an infrared IR channel and a full-band W channel. The light acquisition device acquires target light corresponding to incident light. The image sensor converts the target light into an image signal through the RGB channels, the IR channel and the W channel. The image processor analyzes the image signal into RGB color signals and a brightness signal, and fuses the RGB color signals and the brightness signal to obtain a fused image. The collection of the channels based on which the RGB color signals and the brightness signal are obtained includes the five types of photosensitive channels.

System and method for narrowing the transmission curves obtained using a spectral imager in which spectral images are acquired using a MEMS Fabri-Perot (FP) tunable filter. A method includes acquiring a first plurality of broad-band spectral images associated with respective MEMS FP etalon states and processing the first plurality of broad-band spectral images into a second plurality of narrow-band spectral images.