摘要:
An imaging apparatus (1) includes an optical system (101) which is variable in focal distance and which varies a size of an image circle by the focal distance, the image circle being an effective image formation region of an optical image of a subject, a data storage unit (1121) which stores data indicating a correspondence between a value of the focal distance and a value of the size of the image circle, an imaging unit (206, 208) which obtains image data from the optical image formed on an image pickup device (206) via the optical system (101), and an image processing unit (2225) which performs image processing that differs between image data corresponding to an inside of the image circle and image data corresponding to an outside of the image circle among image data obtained in the imaging unit (206, 208) on the basis of the data indicating the correspondence.
摘要:
An adjusting assembly for a lens of a camera has a hollow housing (1) with a mounting portion (11), at least one driving ring (40) mounted around the lens, at least one turning rod (30) mounted through the mounting portion (11) and engaging with the at least one driving ring (40), and at least one limiting ring (33) embedded in the mounting portion (11) of the housing (1). The mounting portion (11) is integrally formed on the housing (1) and has an enlarged thickness that allows the at least one turning rod (30) to be stably mounted on the housing (1). The at least one turning rod (30) is embedded in the housing (1), such that appearance of the housing (1) is smooth and pleasing.
摘要:
A monitoring camera device that is water-proofed and whose focusing can be adjusted when a dome cover is installed on it. A lens (3) is covered by the removable dome cover (5). A focus adjustment mechanism (9) performs focus adjustment by moving an imaging element (7) in the optical axis direction. A setting button (13) that is a focus setting/operation section is placed on the inner side of the dome cover (5) and is operated when the dome cover (5) is installed. A control section (11) controls the focus adjustment mechanism (9). The control section (11) allows the focus adjustment mechanism (9) to start focus adjustment when a predetermined focus start waiting time elapses after the setting button (13) is operated. The focus start waiting time is a time set according to a standard installation work time required to install the dome cover (5).
摘要:
The present invention reistes to a method for determining a difference between a sample position and an infocus position, as well as a vision inspection system. In a first step image data depicting a sample is captured. Next, a feature set is extracted from the image data. Thereafter, the feature set is classified into a position difference value, corresponding to the difference between the sample position and the in-focus position, by using a machine learning algorithm that is trained to associate image data features to a position difference value.
摘要:
A focus state display apparatus comprising focus area extraction means (21) for extracting the image signals of a predetermined area from photographed image signals, edge enhancement processing means (22) for enhancing the edge of the extracted image signals, time integration value calculation means (24) for calculating an integration value of the edge-enhanced image signals in a certain period of time, focus state determination means (26) for determining the focus state of the photographed image signals on the basis of the calculated integration value, and focus state display means (31) for displaying the determined focus state. A user is capable of readily determining the focus state of a camera and confirming and adjusting the focus thereof with accuracy even in a display apparatus of a camera-equipped portable terminal device, where the size and resolution thereof are limited.
摘要:
A camera module includes a holder provided with a lens unit and displaceable along an optical axis direction of the lens unit; a coil formed from a wound wire having both end portions serving as lead wires, and provided on the holder; a yoke and magnets for providing a magnetic field to the coil; a flexible printed circuit board for supplying an electrical current to the lead wires; and upper and lower leaf springs for supporting the holder so that the holder is displaceable along the optical axis direction. Each of the upper and lower springs includes an outer annular portion, an inner annular portion provided inside the outer annular portion and attached to one of the cylindrical end portions of the holder, and a plurality of bridge portions coupled between the outer annular portion and the inner annular portion. The flexible printed circuit board is arranged below the lower leaf spring, and a part of the insulating sheet portion thereof is formed into a tongue part which extends in a tongue-shaped manner so that the tongue part is arranged in a space between a predetermined bridge portion of the lower leaf spring and the lead wires. The provision of such a tongue part makes it possible to prevent the bridge portion from making contact with the lead wires even in the event that the bridge portion is hardly deformed.
摘要:
A focus state display apparatus comprising focus area extraction means for extracting the image signals of a predetermined area from photographed image signals, edge enhancement processing means for enhancing the edge of the extracted image signals, time integration value calculation means for calculating an integration value of the edge-enhanced image signals in a certain period of time, focus state determination means for determining the focus state of the photographed image signals on the basis of the calculated integration value, and focus state display means for displaying the determined focus state. A user is capable of readily determining the focus state of a camera and confirming and adjusting the focus thereof with accuracy even in a display apparatus of a camera-equipped portable terminal device, where the size and resolution thereof are limited.
摘要:
An imaging element (208) includes imaging pixels and focus detection pixels. An imaging control circuit (210) reads pixel from the imaging pixels or the focus detection pixels. A reading range for the imaging control circuit (210) to read the pixel signals from the focus detection pixels is set to resisters (210a) and (210b).