An image inspection apparatus includes an illuminating section for irradiating illumination light, a line camera in which a plurality of imaging elements are arrayed to be linearly arranged, the line camera receiving the light irradiated from the illuminating section and reflected on the inspection target object, a display section for displaying an image captured by the line camera, an optical axis adjusting section for adjusting an optical axis of the line camera, a trigger setting section for specifying a trigger that specifies timing when the inspection target object is imaged by the line camera, an aspect ratio adjusting section for adjusting longitudinal and lateral pixel resolutions of the image captured by the line camera, and a display control section for displaying the optical axis adjusting section, the trigger setting section, and the aspect ratio adjusting section on the display section in order.

A modular LED line light, the modular LED line light comprising: at least one line light module, the at least one line light module comprising: a U-shaped body comprising a base and two opposing side walls extending from the base, the base comprising an interior surface and an exterior surface; at least one LED array disposed on the interior surface of the U-shaped body; a rail for receiving the at least one line light module, the rail comprising a first surface and a second surface, wherein the first surface is configured to receive the exterior surface of the base of the U-shaped body of the at least one light module; and a cooling tube for receiving a cooling fluid for removing heat from the at least one line light module, the cooling tube being disposed between the exterior surface of the base of the U-shaped body and the first surface of the rail.

A system for forming a homogenized illumination line which can be imaged as a low-speckle line is disclosed. The system includes a laser configured to emit a collimated laser beam; and an illumination-fan generator that includes one or more linear diffusers. The illumination-fan generator is arranged and configured to (i) receive the collimated laser beam, (ii) output a planar fan of diffused light, such that the planar fan emanates from a light line formed on the distal-most one of the one or more linear diffusers, and (iii) cause formation of an illumination line at an intersection of the planar fan and an object.

A substance testing method, a substance testing system, and a sensor module for a portable substance testing system is disclosed. The sensor module includes: a light source, configured to illuminate a lateral flow test strip of the portable substance testing system; a filter, comprising a plurality of apertures, configured to filter out light from the lateral flow test strip; and a sensor, for sensing the filtered light, and providing one or more signals indicative of an output of the test strip.

A lighting device (23) irradiates a web under conveyance with light. The lighting device includes a light source (43), and an irradiation port (61) configured to open linearly in a widthwise direction of the web at an end portion facing the web. The irradiation port (61) is formed between first and second parallel portions (62b, 63b) where a first plate member (62) and a second plate member (63) parallelly face each other. The web under conveyance is irradiated with linear light. It is possible to provide a lighting device capable of irradiating only an inspection region of a sheet or a web with light.

A quality control station (2) for a sheet element processing machine, having at least one camera (6) arranged for capturing images of sheet elements (4) transported through the quality control station (2), and further having an illumination unit (5) with at least one light emitter (16) and two reflectors (12, 14), the illumination unit (5) directing light onto a viewing area of the camera (6) such that the illumination intensity is constant despite changing media thickness. An illumination unit for such quality control station is disclosed.

An image capturing system (10), and a corresponding method, for determining the position of an embossed structure (30) on a sheet element (4) moved though a viewing area (18). It includes a camera (12) adapted for capturing a line image of the surface of the sheet element (4) in the viewing area (18), and an illumination unit (14) with a plurality of light sources (20, 21, . . . ) each adapted for illuminating the viewing area (18). The light sources (20, 21, . . . ) are arranged at different inclinations with respect to the viewing area (18). An image evaluation unit (16) determines an inclination-related parameter for the surface of the sheet element (4) in the viewing area (18) across the viewing area (18).

[Object] To monitor, on a metallic body surface, a region that has a specific hue and a region that does not have the specific hue and has a surface whose roughness varies. [Solution] Included are: a measurement apparatus which includes a line sensor camera which is provided such that an optical axis of the line sensor camera is substantially parallel to a normal direction of a metallic body surface, and first, second, and third illumination light sources each configured to irradiate the metallic body surface with first, second, and third illumination light beams each having a strip shape, the measurement apparatus being configured to measure separately respective reflected light beams of the three illumination light beams that have been emitted; and an arithmetic processing apparatus configured to calculate surface state monitoring information on the basis of luminance values of the reflected light beams. The second and third illumination light sources are provided such that a second angle between an optical axis of the second illumination light source and the optical axis of the line sensor camera is substantially equal to a third angle between an optical axis of the third illumination light source and the optical axis of the line sensor camera, and the first illumination light source is provided such that a first angle between the optical axis of the line sensor camera and an optical axis of the first illumination light source is larger than the second angle. The arithmetic processing apparatus calculates information on a hue of the metallic body surface on the basis of a luminance value of the reflected light beam of the first illumination light beam and information on surface roughness of the metallic body on the basis of luminance values of the respective reflected light beams of the second and third illumination light beams.

An apparatus for inspecting images is disclosed. In an embodiment an apparatus includes a camera for recording a surface of a printed product, the printed product being movable relative to the apparatus, a first illumination unit of a first type for illuminating a first partial region of a region that is capturable by the camera, a second illumination unit of a second type for illuminating a second partial region of the region that is capturable by the camera, and an evaluation unit for processing image information captured by the camera, wherein the first illumination unit differs from the second illumination unit, and wherein the first illumination unit forms a diffuse illumination source and has an internally illuminated tunnel.

An optical detection device and a detection method thereof are provided. A linear light source provides a light curtain formed by multiple light beams, the light curtain is located on a transportation path of transporting an object to be detected. A sensor set senses the part of light beams not interrupted by the object to be detected, so as to generate a sensing signal with various strengths. A control circuit determines a physical characteristic, moving speed and position of the object to be detected according to the strength of the sensing signal.