Class / Patent application number | Description | Number of patent applications / Date published |
396095000 | Having pursuit mode | 18 |
20080199169 | CAMERA AND PHOTOGRAPHIC LENS - A camera is provided which is configured to receive a photographic lens having a diaphragm. The camera includes a defocus amount detection unit configured to detect first information corresponding to a defocus amount, from light passing through the photographic lens mounted on the camera; an acquisition unit configured to acquire second information corresponding to an image-forming position from a lens position output unit provided on the photographic lens; and an image-forming position prediction unit configured to predict a change in image-forming position based on a change in the second information and a plurality of the past first information stored in a memory, wherein the image-forming position prediction unit predicts the image forming position in consideration of third information corresponding to time required for diaphragm driving that is acquired from a diaphragm driving time prediction unit provided on the photographic lens. | 08-21-2008 |
20090034953 | Object-oriented photographing control method, medium, and apparatus - An object-oriented photographing control method, medium, and apparatus. The object-oriented photographing control method includes detecting an interesting object registered in advance from an input image, estimating photographic information on the detected interesting object, and generating control information for capturing the input image by using the estimated photographing information, and capturing the input image according to the control information. Accordingly, states of a position and illuminance of the object are perceived in real-time, a high-quality image can be captured, and the user does not need to control the focus and the exposure of the input image. | 02-05-2009 |
20090142046 | FOCUSING SYSTEM AND METHOD FOR ENHANCING RESOLUTION OF AN OPTICAL SYSTEM - An exemplary focusing method for enhancing resolution of an optical system is provided. The method includes: focusing on an object and obtaining an image of the object by a lens assembly of the optical system, using a designated point within a motion range of an auto focusing (AF) lens in the lens assembly to calculate; determine a first coordinate and a second coordinate of the AF lens according to resolution of the image; obtaining a direction and distance for positioning the AF lens according to the two coordinates, driving the AF lens to move along the direction of motion, and limiting the range of motion of the AF lens to obtain an optimum focusing location to focus on the object according to the motion distance. A related system is also provided. | 06-04-2009 |
20090238549 | AUTOFOCUS SYSTEM - Pattern data for specifying a face image of a person is registered in a pattern data storage unit 32 of a tracking device 16. When a face recognition auto-tracking mode is selected, a face image coinciding with the registered pattern data is detected, and an AF area is set to track the face image. | 09-24-2009 |
20090238550 | AUTOFOCUS SYSTEM - When it is detected that a tracking target disappears in an image range in the course of tracking the tracking target, which is a registration pattern selected as a target to be tracked from among registration patterns, an autofocus is disabled. Thereafter, the autofocus is kept being disabled even if it is detected that the tracking target having the selected registration pattern appears in the image range. Alternatively, when the tracking target disappears in the image range in the course of tracking the tracking target, the autofocus is disabled, and thereafter when the tracking target having the registration pattern appears in the image range, it is started to track the tracking target having the registration pattern. | 09-24-2009 |
20100034529 | PREDICTIVE AUTOFOCUSING SYSTEM - A system for providing a predictive autofocus prior to capturing an image of an iris of a subject. A sequence of images of the subject may be taken with a visible light sensitive camera. A speed and/or location of the subject may be estimated from the images. An encounter may be when the subject is within focus of the camera or, in other words, a focus distance and subject distance coincide. The focus may be determined in accordance with an intensity variance determination of the subject in the image, and more particularly of a subject's eye within a window of an image. Upon an encounter, an image of the iris of the eye may be captured with an infrared sensitive camera. | 02-11-2010 |
20100189427 | Auto-focusing method - An auto-focusing method according to an aspect of the invention may include: setting a central point of area of interest according to a user's input to select a moving object to perform auto tracking of the moving object within an image; setting an auto focusing area encompassing the central point of area of interest, the auto focusing area in which an operation is performed for auto focusing; setting a tracking sub-window encompassing the auto focusing area, the tracking sub-window in which an operation is performed for auto tracking; and tracking, by the central point of area of interest according to the user's input, the auto focusing area and the tracking sub-window, the moving object while changing a position of the auto focusing area and updating a position of the tracking sub-window according to a movement of the moving object. | 07-29-2010 |
20100254689 | AUTOFOCUS SYSTEM - An autofocus system includes an image pickup unit that takes a subject image formed by an optical system; an autofocus unit that performs focus adjustment on the optical system so as to bring into focus a subject within a predetermined AF area in a photographing image taken by the image pickup unit; a tracking unit that moves an AF frame, which indicates an outline of the AF area, in accordance with the movement of the subject within the photographing image taken by the image pickup unit; a face direction detection unit that detects a face direction of the subject from the photographing image; a face direction registration unit that registers the face direction of the subject together with coordinates which represent a position of the AF frame in the photographing image; a face direction comparing unit that compares the detected face direction of the subject with the registered face direction. | 10-07-2010 |
20100278520 | AUTOMATIC FOCUSING APPARATUS - An automatic focusing apparatus includes: a focus detector photoelectrically converting at least a part of a photographing beam; a defocus computer calculating a defocus amount based on an output of the focus detector; a driver driving a focus lens based on the defocus amount; and a unit setting a maximum time period for charge accumulation in the focus detector. If the accumulated charge in the focus detector reaches a threshold within the period, when the accumulated charge in the focus detector reaches the threshold, the defocus computer calculates a defocus amount using an output of the focus detector and outputs the defocus amount to the driver. If the accumulated charge in the focus detector does not reach the threshold within the period, when the period lapses, the defocus computer calculates a defocus amount using an output of the focus detector and outputs the defocus amount to the driver. | 11-04-2010 |
20110002679 | IMAGE PICKUP APPARATUS - An optical device includes a shooting optical system including an AF lens, an AF lens driving apparatus for driving the AF lens, a detection unit for detecting a defocus amount corresponding to a difference between an image pickup position of an object and an imaging position of the object which is formed by the shooting optical system, and a control unit for drive-controlling the AF lens driving apparatus to reduce the defocus amount. The control unit detects a shooting magnification of the shooting optical system and changes a method of controlling the AF lens driving apparatus to reduce the defocus amount based on the shooting magnification. | 01-06-2011 |
20110044675 | FOCUS ADJUSTMENT APPARATUS AND FOCUS ADJUSTMENT METHOD - A focus adjustment apparatus includes an imaging unit configured to capture an object image input via a focus lens to output image data, a focus adjustment unit configured to perform focus adjustment by controlling a position of the focus lens based on the image data, a motion detection unit configured to detect a motion of the object image based on the image data, and a control unit configured to control the focus adjustment unit to perform a first focus adjustment operation if motion of the object image is not detected by the motion detection unit, and to control the focus adjustment unit to perform a second focus adjustment operation different from the first focus adjustment operation if motion of the object image is detected by the motion detection unit. | 02-24-2011 |
20110044676 | IMAGE PICKUP SYSTEM HAVING RANGING FUNCTION - The image pickup system includes a ranging part measuring object distances in plural ranging areas in an image pickup region in a state where the image pickup system and a moving object are in movement with respect to a still object, a first setting part setting, among the plural ranging areas, a first ranging area including the moving object, a second setting part setting, among the plural ranging areas, a second ranging area including the still object. The system further includes a calculating part calculating a moving speed of the moving object based on the object distances measured in the first and second ranging areas by the ranging part at a first time point and the object distances measured in the first and second ranging areas by the ranging part at a second time point different from the first time point. | 02-24-2011 |
20110081141 | FOCUS ADJUSTING DEVICE, IMAGE PICKUP APPARATUS, AND FOCUS ADJUSTMENT METHOD - A focus adjusting device in which, when a detecting unit that detects an object image to be focused from a picked up image is capable of detecting the object image to be focused, a setting unit that sets a focus detection area when a focused state of an image pickup optical system is detected sets a second focus detection area after setting a first focus detection area and in accordance with the position of the first focus detection area, corresponding to the object image that is detected by the detecting unit and that is to be focused. Then, on the basis of signal outputs at the set focus detection area, the image pickup optical system is driven to perform focus adjustment. | 04-07-2011 |
20110305446 | IMAGING APPARATUS, FOCUS POSITION DETECTING METHOD, AND COMPUTER PROGRAM PRODUCT - An imaging apparatus includes: a focus lens; an imaging device; a movement detecting unit that detects the movement of an image on the basis of a difference between a plurality of image data which is output from the imaging device in time series; an estimating unit that estimates the movement of an object or a photographer on the basis of the movement of the image detected by the movement detecting unit; a movement range setting unit that sets a movement range of the focus lens on the basis of the movement of the object or the photographer estimated by the estimating unit; and a focus position detecting unit that moves the focus lens in an optical axis direction in the movement range set by the movement range setting unit and detects a focus position where the focus lens is focused on the position of the object of the image. | 12-15-2011 |
20120219278 | IMAGE PICKUP APPARATUS - An image pickup apparatus which changes focal point adjustment by a focal point adjusting unit in accordance with the panning state detected by a panning detecting unit and a focal point state detected by a focal point detecting unit. | 08-30-2012 |
20120237193 | IMAGE CAPTURE APPARATUS - An image capture apparatus which captures an object image formed by an imaging lens, comprises a focus detection unit which detects a focus position of the object image at a plurality of positions on an image sensing plane, a prediction unit which stores the past output from the focus detection unit, and predicts a locus of the focus position of the object image based on the stored output, thereby predicting the focus position of the object image at a predetermined time instant, a detection unit which detects a shift of the object image on the image sensing plane, and a control unit which changes the output from the prediction unit based on the output from the detection unit. | 09-20-2012 |
20120301125 | IMAGE CAPTURE APPARATUS AND METHOD OF CONTROLLING THE SAME - A subject is tracked during continuous shooting, and the degree of reliability of the tracking result is determined. When it is determined that the degree of reliability of the tracking result is high, control values of exposure used to capture an image of the previous frame are configured as those used to capture an image of the next frame, thereby omitting calculation of control values of exposure. Upon this operation, in an image capture apparatus having a continuous shooting function, and a method of controlling the same, suppression of exposure variations and shortening of the exposure calculation time during continuous shooting can be effectively achieved. | 11-29-2012 |
20140153915 | IMAGE PICKUP APPARATUS - An image pickup apparatus which changes focal point adjustment by a focal point adjusting unit in accordance with the panning state detected by a panning detecting unit and a focal point state detected by a focal point detecting unit. | 06-05-2014 |