The disclosure relates generally to systems and methods for providing a range from a laser range finding device. In one embodiment, the disclosure relates to systems and methods for providing a consistent ranged distance to a user of a laser range finding device.

The present technology relates to a distance measuring device, a distance measuring method, a program, an electronic apparatus, a learning model generating method, a manufacturing method, and a depth map generating method that are designed to enable distance measurement with higher precision.

The distance measuring device includes: a first determination unit that determines whether or not the difference in depth value between a first pixel in a depth map and a second pixel adjacent to the first pixel is larger than a first threshold; and a second determination unit that determines whether or not the difference in confidence between the first pixel and the second pixel is larger than a second threshold, in a case where the first determination unit determines that the difference in distance between the first pixel and the second pixel is larger than the first threshold. In a case where the second determination unit determines that the difference in confidence between the first pixel and the second pixel is larger than the second threshold, the first pixel is confirmed to be a defective pixel. The present technology can be applied to a distance measuring device, for example.

The present technology relates to a distance measuring device, a distance measuring method, a program, an electronic apparatus, a learning model generating method, a manufacturing method, and a depth map generating method that are designed to enable distance measurement with higher precision.

The distance measuring device includes: a first determination unit that determines whether or not the difference in depth value between a first pixel in a depth map and a second pixel adjacent to the first pixel is larger than a first threshold; and a second determination unit that determines whether or not the difference in confidence between the first pixel and the second pixel is larger than a second threshold, in a case where the first determination unit determines that the difference in distance between the first pixel and the second pixel is larger than the first threshold. In a case where the second determination unit determines that the difference in confidence between the first pixel and the second pixel is larger than the second threshold, the first pixel is confirmed to be a defective pixel. The present technology can be applied to a distance measuring device, for example.

Provided is an oil leakage detection apparatus by which oil leakage detection is performed even for colorless oil with high detection accuracy and without complicating the apparatus. The oil leakage detection apparatus of the invention includes a distance measurement unit configured to measure a distance to the oil-input machine, an ultraviolet light source configured to irradiate the oil-input machine with ultraviolet light, a color imaging unit configured to capture an image of the oil-input machine irradiated with ultraviolet light, an image processing unit configured to diagnose oil leakage of the oil-input machine based on the distance measured by the distance measurement unit and the captured image of the color imaging unit, and a display unit configured to display a processed image processed by the image processing unit. Further, an oil leakage detection method of the invention includes measuring a distance from an oil-input machine, irradiating the oil-input device with ultraviolet light, capturing an image of the oil-input machine irradiated with ultraviolet light, diagnosing oil leakage of the oil-input machine based on the measured distance and the captured image, and displaying a processed image after the diagnosis processing.

Provided is an oil leakage detection apparatus by which oil leakage detection is performed even for colorless oil with high detection accuracy and without complicating the apparatus. The oil leakage detection apparatus of the invention includes a distance measurement unit configured to measure a distance to the oil-input machine, an ultraviolet light source configured to irradiate the oil-input machine with ultraviolet light, a color imaging unit configured to capture an image of the oil-input machine irradiated with ultraviolet light, an image processing unit configured to diagnose oil leakage of the oil-input machine based on the distance measured by the distance measurement unit and the captured image of the color imaging unit, and a display unit configured to display a processed image processed by the image processing unit. Further, an oil leakage detection method of the invention includes measuring a distance from an oil-input machine, irradiating the oil-input device with ultraviolet light, capturing an image of the oil-input machine irradiated with ultraviolet light, diagnosing oil leakage of the oil-input machine based on the measured distance and the captured image, and displaying a processed image after the diagnosis processing.

A photoelectric conversion device including pixels arranged to form rows, a scanning circuit that performs scanning for sequentially outputting a signal from the pixel on a row basis, and a processing circuit that processes a signal output from the pixel. The processing circuit corrects, based on a first reset signal and a second reset signal based on a reset state of the pixel, an optical signal based on incident light. The scanning circuit performs scanning for outputting the optical signal and the first reset signal from the pixel by scans performed in different periods. The scanning circuit performs scanning for outputting the optical signal and the second reset signal from the pixel by a scan. The first reset signal, the second reset signal, and the optical signal are output from the pixel in a frame period in which signals to be used for generating a frame is output.

A photoelectric conversion device including pixels arranged to form rows, a scanning circuit that performs scanning for sequentially outputting a signal from the pixel on a row basis, and a processing circuit that processes a signal output from the pixel. The processing circuit corrects, based on a first reset signal and a second reset signal based on a reset state of the pixel, an optical signal based on incident light. The scanning circuit performs scanning for outputting the optical signal and the first reset signal from the pixel by scans performed in different periods. The scanning circuit performs scanning for outputting the optical signal and the second reset signal from the pixel by a scan. The first reset signal, the second reset signal, and the optical signal are output from the pixel in a frame period in which signals to be used for generating a frame is output.

An optical navigation device comprising: a processing circuit; a first light source, configured to emit first light; a cover; at least one second light source, configured to emit second light toward the cover; and an first optical sensor, configured to sense first optical data generated according to the first light and to sense second optical data generated according to the second light on the cover. The processing circuit determines a dirtiness level of the cover based on the second optical data sensed by the first optical sensor. The optical navigation device can further comprise a second optical sensor. Also, an optical navigation device which can avoid the interference of another optical navigation device is also disclosed.

An optical navigation device comprising: a processing circuit; a first light source, configured to emit first light; a cover; at least one second light source, configured to emit second light toward the cover; and an first optical sensor, configured to sense first optical data generated according to the first light and to sense second optical data generated according to the second light on the cover. The processing circuit determines a dirtiness level of the cover based on the second optical data sensed by the first optical sensor. The optical navigation device can further comprise a second optical sensor. Also, an optical navigation device which can avoid the interference of another optical navigation device is also disclosed.

The disclosure provides a calibration system, a calibration method, and a calibration device. The calibration method for obtaining a transformation of coordinate systems between a vision sensor and a depth sensor includes the following steps. (a) A first coordinate group of four endpoints of a calibration board in a world coordinate system is created. (b) An image of the calibration board is obtained by the vision sensor, and a second coordinate group of the four endpoints of the calibration board in a two-dimensional coordinate system is created. (c) A third coordinate group of the four endpoints of the calibration board in a three-dimensional coordinate system is created according to the first and second coordinate groups. (d) The third coordinate group is transformed to a fourth coordinate group corresponding to the depth sensor to obtain the transformation of the coordinate systems according to at least three target scanning spots.