Described herein are various technologies pertaining to an automated light field illumination container inspection. The container inspection system includes a plurality of cameras that capture images of a container when the container is illuminated by way of light field illumination. Bands in images that include reflections in the exterior surface of the sidewall are identified, and a determination is made as to whether the container is defective based upon the identified bands.

A method for detecting a defect on a surface (12) by multidirectional lighting includes acquiring a plurality of images of the surface (12) using an optical device (14) having an optical axis, each image being acquired with a lighting of the surface along a lighting direction (E, E) given for each point of the surface (12) and an optical direction (O), the images being acquired with different lighting directions (E, E) or different combinations and/or with different optical directions (O); for each point, calculating a plurality of parameters, the parameters including coefficients of an equation characterizing the response of said point of the surface as a function of the lighting direction (E, E) and an observation direction (B, B); and deducing from the calculated parameters whether the surface (12) has a defect at said point.

Systems and apparatuses of operating the same are described. An apparatus that may include a light guide. The light guide may include a body configured to direct at least a portion of light within a defined wavelength spectrum from a first light source toward an object. The body may be formed of a material to provide a threshold contrast ratio between a first portion of the object and a second portion of the object. The body may include a first surface that includes a first cavity formed to receive at least a portion of an incident end the first light source. The body may include a second surface at a distal end from the light source. The second surface may be a peripheral diffusing portion or a peripheral focusing portion.

Disclosed is a method and a device for optically analyzing fruit or vegetables. Different light sources are adapted to apply light radiation in different wavelength ranges selectively to each object according to a predetermined illumination sequence, and images are produced by at least one color camera sensitive to infrared, the exposure of which is controlled in synchronism with the illumination sequence so as to produce a plurality of images in different wavelength ranges, including at least one image in a visible range and at least one image in an infrared range.

The invention relates to a method for the manufacture of a prophylactic article, especially of a glove, from a (carboxylated) diene rubber, according to which a layer of a (carboxylated) diene latex is applied on a former and the (carboxylated) diene latex is cross-linked with a cross-linking agent, which is immobilized on inorganic and/or organic particles with formation of modified particles, and the modified particles are added to the (carboxylated) diene latex.

A collapsible light tunnel includes pairs of vertical, (optional angled) and overhead light panels collapsibly coupled together and moveable between a stowed position and a deployed position. The light panels include strips of LED lights, light diffusers, and fixtures/brackets for maintaining the panels in the deployed position. The overhead (and angled) light panels are collapsible adjacent the vertical panels in the stowed position.

An automatic inspection station is presented for inspecting exterior of vehicles. The inspection station comprises a physical structure configured to be deployable at a predetermined location and, when deployed defining first and second adjacent compartments and exposing an inner space of the first compartment to vehicle's entry and exit into and from said inner space and at least partially isolate said inner space from ambient light. The first compartment comprises an inspection system, and the second compartment comprises a control system in data communication with the inspection system. The inspection system comprises an optical imaging system configured and operable for imaging a vehicle located within at least part of said inner space and generating image data which is processed and analyzed by the control system to generate data indicative of vehicle's status.

A linearly-overlapping light measurement system measurement head having one or more linearly-overlapping modular light sources each having individual light sources arranged in a geometric pattern, the light sources being single- or multi-wavelength and programmable to generate light that is transmitted through and/or reflected from a work piece to be detected by linearly-overlapping modular light detectors having individual light detectors arranged in a geometric pattern. The measurement head also has linearly-overlapping modular light detectors arranged in a geometric pattern to receive light emitted by the light sources. A computer controller coordinating the operation of the light source array and light detector array to automatically sense and record the light transmittance and/or reflectance of one or more spectral ranges in real time from the work piece and then adjust the work being performed on the work piece to attain pre-determined standards. Reference feedback circuitry is provided for monitoring the light sources in each light source module. The reference feedback circuitry adjusts the operating parameters of a light source module to ensure that the intensity and the chromatic output of the light therefrom remains at a consistent level.

Reflective or embossed regions are supposed to be illuminated as uniformly as possible over the greatest possible angle range for optical inspection using in one aspect an apparatus for inspection having a passive lighting body spotlighted by a spotlight light source, which body illuminates a test region, as well as at least one optical sensor directed at the test region. The lighting body is configured to be partially transmissible, and the optical sensor is disposed, with reference to the test region, optically beyond the lighting body, detecting the test region through the lighting body, and/or the spotlight light source is directed at the lighting body and the lighting body extends continuously over at least 120 in a section plane that stands perpendicular to the surface of the flat items to be tested or inspected.

An inspection system for detecting defects in a workpiece can include an illumination source for illuminating a first section of the workpiece with a patterned light, wherein the illumination source does not illuminate a second section of the workpiece. The inspection system further includes a feedback camera for imaging the first section and producing a first output, and a background camera for imaging the second section and producing a second output. A processor compares the first output with the second output, and a controller alters the patterned light that is output by the illumination source based on the comparison. This feedback control continues until the background is suitably homogeneous or camouflaged compared to the defect, such that the visibility and/or detectability of the defect is increased.