An ultrasound vibrating-type defect detection apparatus (100) for detecting a defect in a semiconductor apparatus (10) is provided with: an ultrasound vibrator (42); a high-frequency power supply (40); a camera (45); and a controller (50) for adjusting the frequency of high-frequency power supplied from the high-frequency power supply (40) to the ultrasound vibrator (42), and for performing detection of a defect in the semiconductor apparatus (10). The controller (50) causes the camera (45) to capture an image of the semiconductor apparatus (10) while varying the frequency of high-frequency power supplied from the high-frequency power supply (40) to the ultrasound vibrator (42), and performs detection of a defect in the semiconductor apparatus (10) on the basis of the captured image.

A system for inspecting a glass container and methods of inspecting glass containers are provided. The system includes a panel including a plurality of light sources configured to illuminate the glass container. The system includes a camera configured to image the illuminated glass container. The system includes a controller configured to adjust the amount of power applied to each of the light sources individually. The system includes a processor configured to evaluate the image of the illuminated glass container for indications of defects in the container. Methods of calibrating the system are also provided.

A method of processing an analog signal includes receiving, into signal processing circuitry from compensation circuitry, an offset compensation signal, the offset compensation signal having (i) a polarity opposite a polarity of a gain error of the signal processing circuitry and (ii) a magnitude equal to a nominal compensation value plus a deviation. The method includes generating, by the signal processing circuitry, an output signal based on an analog signal received into the signal processing circuitry, including applying the offset compensation signal to an intermediate signal generated by the signal processing circuitry. The method includes scaling the output signal based on the deviation between the magnitude of the offset compensation signal and the nominal compensation value.

The invention includes a pulse oscillated light source, an illumination unit that guides light output from the light source to a sample, a scanning unit that controls a position at which the sample is scanned by the illumination unit, a light converging unit that converges light reflected from the sample, a first photoelectric conversion unit that outputs an electric signal corresponding to the light converged by the light converging unit, an AD conversion unit that converts the electric signal output from the first photoelectric conversion unit into a digital signal in synchronization with pulse oscillation of the light source, a linear restoration unit that processes a digital signal converted by the AD conversion unit in synchronization with a pulse oscillation output by the AD conversion unit and corrects nonlinearity of the first photoelectric conversion unit, a defect detection unit that detects a defect of the sample based on an output of the linear restoration unit, and a processing unit that obtains and outputs a position and a size of the defect detected by the defect detection unit.

An inspection device includes: an analyzer to calculate a parameter representing a feature of image data of an object having no defect by performing dimensionality reduction on the image data, and perform dimensionality reduction on image data of an object to be inspected by using the parameter; a restorer to generate restored data obtained by restoring the image data of the object to be inspected subjected to the dimensionality reduction; a corrector to filter the restored data by using a filter for correcting an error between the restored data and the image data of the object to be inspected, thereby generating corrected restored data; a determiner to output a determination result indicating whether the object to be inspected is defective, based on a difference of each pixel between the image data of the object to be inspected and the corrected restored data; and an interface to output the determination result.

An image acceleration processing device including a field programmable gate array (FPGA) processing platform; and a personal computer (PC). The FPGA processing platform includes: a first fiber interface configured to receive configuration parameters and test commands, and to output test results; a second fiber interface configured to exchange data with the PC; a third fiber interface configured to receive image data and output the configuration parameters and the test commands; a fourth fiber interface configured to control the generation of a screen lighting signal; and a fifth fiber interface configured to control an input/output (IO) light source.

Self-leveling inspection system methods and devices for use in inspecting buried pipes or other cavities are disclosed. The system includes a camera head with an image sensor, an orientation sensor, and a signal processing module including a processing programmed to receive an image from the image sensor, and an orientation signal from the orientation sensor, generate a second image based at least in part on information provided from the orientation sensor, and store the second image in a non-transitory memory.

The invention includes a pulse oscillated light source, an illumination unit that guides light output from the light source to a sample, a scanning unit that controls a position at which the sample is scanned by the illumination unit, alight converging unit that converges light reflected from the sample, a first photoelectric conversion unit that outputs an electric signal corresponding to the light converged by the light converging unit, an AD conversion unit that converts the electric signal output from the first photoelectric conversion unit into a digital signal in synchronization with pulse oscillation of the light source, a linear restoration unit that processes a digital signal converted by the AD conversion unit in synchronization with a pulse oscillation output by the AD conversion unit and corrects nonlinearity of the first photoelectric conversion unit, a defect detection unit that detects a defect of the sample based on an output of the linear restoration unit, and a processing unit that obtains and outputs a position and a size of the defect detected by the defect detection unit.

A dynamic signal to noise ratio tracking system enables detection and tracking of amusement park equipment within the field of view of the tracking system. The tracking system may include an emitter configured to emit electromagnetic radiation within an area, a detector configured to detect electromagnetic radiation reflected back from vehicles within the area, and a control unit configured to evaluate signals from the detector to survey the amusement park equipment to determine whether the equipment has degraded or shifted.

An image acceleration processing device including a field programmable gate array (FPGA) processing platform; and a personal computer (PC). The FPGA processing platform includes: a first fiber interface configured to receive configuration parameters and test commands, and to output test results; a second fiber interface configured to exchange data with the PC; a third fiber interface configured to receive image data and output the configuration parameters and the test commands; a fourth fiber interface configured to control the generation of a screen lighting signal; and a fifth fiber interface configured to control an input/output (IO) light source.