An image processing device is configured to perform: reading an image of an original while a light emitting portion emits light with a first lighting color to acquire first image data representing the image; storing the first image data in a memory; executing a recognition process for recognizing an ID photograph in the image represented by the first image data; in response to determining that the ID photograph is recognized, outputting the image represented by the first image data; in response to determining that the ID photograph is not recognized, switching a lighting color of the light emitting portion from the first lighting color to a second lighting color different from the first lighting color; and reading the image of the original while the light emitting portion emits light with the second lighting color to acquire second image data representing the image.

A light emitting component includes: a first light emitting element row including light emitting elements arranged in a main scanning direction; and a second light emitting element row including light emitting elements arranged in the main scanning direction such that the second light emitting element row is deviated from the first light emitting element row in a sub scanning direction and each of the light emitting elements in the second light emitting element row is positioned between light emitting elements adjacent to each other in the first light emitting element row, and a light emitting point area that is an area where each light emitting element of the first light emitting element row emits light, and a light emitting point area that is an area where each light emitting element of the second light emitting element row emits light are overlapped with each other in the main scanning direction.

A controller of an image reading apparatus is configured to cause the reading device to read an image on an original with moving a reading location from a first position to a second position, after reading the image on the original with moving the reading location from a third position to the first position, the third position being a position between the first position and the second position and spaced from the first position by a particular distance and determining a width of the original in the main scanning direction. The controller is configured to further move the reading location from the second position to the first position, and detect an instruction to continue reading a subsequent original during a period before the reading location reaches the third position. When the instruction is detected, the controller stops moving the reading location when it reaches the third position.

Separately providing a shift register for performing serial-to-parallel conversion on a BD signal and a shift register for performing parallel-to-serial conversion on a bit pattern to generate a PWM signal increases the scale of a circuit for adjusting a writing start position in the scanning direction of a light beam. Therefore, the shift register for performing serial-to-parallel conversion on a BD signal and the shift register for performing parallel-to-serial conversion on a bit pattern to generate a PWM signal are configured as a common register.

A photoelectric conversion element includes pixels that receive light and each generate charge in response to light incidence. The pixels include a first pixel that performs a first readout operation to read a reset signal and an optical signal and a second pixel on which a readout operation is performed at the same time as that of the first pixel and that performs selectively either the first readout operation or a second readout operation to read the reset signal. The photoelectric conversion element further includes, in association with each pixel, a first holding unit that holds the reset signal and the optical signal, and a first switch that controls writing to the first holding unit. A control line that controls the first switch associated with the first pixel and a control line that controls the first switch associated with the second pixel are formed of separate wirings.

An image inspection apparatus includes: a light source configured to emit white light onto a test image formed on a paper sheet; an optical lens system configured to receive light reflected by the paper sheet, the reflected light being of the white light emitted from the light source; a separating unit configured to separate light having passed through the optical lens system; a reading unit configured to receive the separated light at the different wavelengths, and optically read the test image of the light; and a control unit configured to calculate edge blurs at a rising edge and a falling edge of each set of image data of the light obtained by the reading unit reading the test image, calculate widths of the test image, and determine the width calculated from the set of image data having the smallest edge blur to be the width of the test image.

An image reading apparatus includes an image capturing module, a reference member, a light source for emitting light to the reference member, a foreign object determining module for determining whether or not a foreign object appears in a specific image, and a position determining module for determining whether the foreign object exists on the image capturing module side or on the reference member side, based on an absolute value of a difference between a gradation value in a region included in two images and corresponding to a region where the foreign object appears when the foreign object appears in the specific image. One image is an image of the reference member captured under illumination of light with a first light quantity from the light source, and other image is an image of the reference member captured under illumination of light with a second light quantity from the light source.

A fraud confirmation assisting apparatus includes a light source, a reading sensor, and processing circuitry. The light source irradiates an object to be read with light in at least an invisible wavelength range. The reading sensor has sensitivity at least in the invisible wavelength range. The processing circuitry performs a reading operation on the object to be read by a combination of the light source and the reading sensor, and outputs a plurality of pieces of fraud confirmation information based on read information output from the reading sensor by the reading operation.

An image-reading device, such as optical code readers used in retail environments to scan objects, is configured to select from various operational modes. The operational modes are selected based on an application of the image-reading device, such as optical code identification or image recognition. Red, white, and other color light sources are activated in patterns corresponding to an illumination sequence of the selected operational mode, while imagers are activated to capture an image based on an exposure pattern of the selected operational mode. Further, a repeating series of light pulses having different portions of light is provided. Various imagers are configured to capture images over one of the portions. This allows an operator to perceive one continuous light pattern, yet allows various imagers to capture an image under different light conditions used for different applications of the image-reading device.

An imaging assembly for capturing at least one object appearing in a field of view (FOV) is provided that includes an image capturing system, a controller operatively coupled to the image capturing system to control operation thereof, and a processor operatively coupled to the controller. The image capturing system is adapted to capture an image having at least one sub-frame and is further adapted to obtain distance information of the object. The processor analyzes the image to determine a brightness value of at least a portion of the image and analyzes the distance information of the object to determine a distance value from the imaging assembly to the object. The processor further determines an illumination characteristic based on the brightness value and the distance value.