Abstract: A system for marker placement includes a plurality of puzzle blocks connectable by a connection mechanism. The plurality of puzzle blocks include a plurality of markers positioned in a predetermined configuration. The puzzle blocks are connected together by the connection mechanism to surround a sensor for calibration of the sensor with the plurality of markers. The puzzle blocks include one or more sizes and have a quantity based on a calibration parameter of the sensor.

Abstract: A system for marker placement includes a plurality of puzzle blocks connectable by a connection mechanism. The plurality of puzzle blocks include a plurality of markers positioned in a predetermined configuration. The puzzle blocks are connected together by the connection mechanism to surround a sensor for calibration of the sensor with the plurality of markers. The puzzle blocks include one or more sizes and have a quantity based on a calibration parameter of the sensor.

Abstract: A focus evaluation value generation apparatus includes a low frequency image data generation unit configured to generate low frequency image data, a thinned image generation unit configured to generate thinned input image data and thinned low frequency image data, and a focus evaluation value generation unit configured to generate the focus evaluation value based on the thinned input image data and the thinned low frequency image data.

Abstract: A processor includes: an imaging control unit which causes an imaging unit for capturing an image with changing a focused object distance, to change the focused object distance with a first change width in the case of a first focused object distance, and to change the focused object distance with a second change width that is smaller than the first change width in the case of a second focused object distance that is shorter than the first focused object distance; and an image processing unit which extracts focused object image data from captured image data for each of the focused object distances, and generates image data by shifting the extracted object image data by parallax amounts corresponding to the respective focused object distances, and by synthesizing the extracted object image data.

Abstract: A focus evaluation value generation apparatus includes a low frequency image data generation unit configured to generate low frequency image data, a thinned image generation unit configured to generate thinned input image data and thinned low frequency image data, and a focus evaluation value generation unit configured to generate the focus evaluation value based on the thinned input image data and the thinned low frequency image data.

Abstract: An execution control method is executed by a first processor of a multi-processor system controlled by plural operating systems (OSs). The execution control method includes determining by referring to first information that is stored in a storage unit and identifies a synchronization process for threads executed by OSs that are different from one another and among the OSs, whether a synchronization process for which an execution request is issued by a thread that is executed by a first OS that is among the OSs and controls the first processor, is the synchronization process for threads executed by OSs that are different from one another; and upon determining so, causing the first OS to execute the synchronization process for which the execution request is issued, using a storage area accessible by the first OS and specific to the first processor.

Abstract: An image processing method performed by a processor for processing a plurality of pixel values in an image data representing a two-dimensional image, the image processing method including defining a block representing a part of the two-dimensional image corresponding to a predetermined number of pixels in rows and columns, obtaining an average of a gradient of pixel value on the basis of the pixel values of adjacent pixels in the block along each of at least one of rows and at least one of columns, generating a product of the average of the gradient pixel value along each of at least one of the rows and the average of the gradient pixel value along each of at least one of the columns, and generating a double summation of the products of the gradient pixel values of each of the rows and the columns.

Abstract: A processor includes: an imaging control unit which causes an imaging unit for capturing an image with changing a focused object distance, to change the focused object distance with a first change width in the case of a first focused object distance, and to change the focused object distance with a second change width that is smaller than the first change width in the case of a second focused object distance that is shorter than the first focused object distance; and an image processing unit which extracts focused object image data from captured image data for each of the focused object distances, and generates image data by shifting the extracted object image data by parallax amounts corresponding to the respective focused object distances, and by synthesizing the extracted object image data.

Abstract: A method for restoring still image data acquired by capturing a subject image with an imaging element, includes: acquiring blur information regarding blur in a Y direction of the imaging element upon image capturing; sets a recovery matrix for recovering, from the still image data, image data to be acquired upon capturing the subject image in a state where there is no blur; recovers the image data by multiplying the recovery matrix and the still image data; computes plural types of noises which derive from the recovery matrix and which are periodically superimposed on the recovered image data in the Y direction, based on (i) noise period information regarding a noise superimposition period of each noise, (ii) the recovered image data, and (iii) the still image data; and eliminates the computed noise from the recovered image data.

Abstract: In an electric hand-vibration correction method of dividing each of frame images output from an effective pixel region of an imaging element in frame order into a plurality of segment images, calculating a movement vector of each segment image between the frame images, calculating a movement vector of each entire frame image (hereinafter, referred to as a hand-vibration vector), from the movement vectors for the respective segment images, and determining an image output region that is cut out from each frame image, based on the hand-vibration vector, an infinite point F is calculated based on an intersectional position among the calculated movement vectors of the respective segment images, and the image output region is determined using a vibration vector between the infinite points calculated for the respective frame images as the hand-vibration vector.

Abstract: An image processing method performed by a processor for processing a plurality of pixel values in an image data representing a two-dimensional image, the image processing method including defining a block representing a part of the two-dimensional image corresponding to a predetermined number of pixels in rows and columns, obtaining an average of a gradient of pixel value on the basis of the pixel values of adjacent pixels in the block along each of at least one of rows and at least one of columns, generating a product of the average of the gradient pixel value along each of at least one of the rows and the average of the gradient pixel value along each of at least one of the columns, and generating a double summation of the products of the gradient pixel values of each of the rows and the columns.

Abstract: An optical pickup and an optical disk apparatus of the invention includes a light source 1 mounted with a light-emitting element constituted of a monoblock on a surface of a plate 6 and emitting plural light beams, a light-receiving element 2, optical members 4, 5 and a coupling base 3 for coupling the light source 1, the light-receiving element 2 and the optical members 4, 5, wherein a light from the light source 1 is directed through the optical members 4, 5 toward an optical disk, and a returning light from the optical disk is guided through the optical members 4, 5 to the light-receiving element 2, characterized in that the plate 6 provided in the light source 1 and the coupling base 3 are adjoined by a solder.

Abstract: A bus arbitration method for arbitrating a bus in a computer capable of executing a plurality of tasks by a plurality of devices connected to the bus is provided and includes: acquiring a task information at a timing, the information containing a priority of each of the tasks and a usage rate of each of the devices for executing each of the tasks; producing an information of a bus use condition of each of the devices on the basis of the priority and the usage rate so that that the bus is preferentially assigned to a device necessary to execute a task having high priority; and arbitrating the bus between the devices according to the information of the bus use condition.

Abstract: In an electric hand-vibration correction method of dividing each of frame images output from an effective pixel region of an imaging element in frame order into a plurality of segment images, calculating a movement vector of each segment image between the frame images, calculating a movement vector of each entire frame image (hereinafter, referred to as a hand-vibration vector), from the movement vectors for the respective segment images, and determining an image output region that is cut out from each frame image, based on the hand-vibration vector, an infinite point F is calculated based on an intersectional position among the calculated movement vectors of the respective segment images, and the image output region is determined using a vibration vector between the infinite points calculated for the respective frame images as the hand-vibration vector.

Abstract: A method for restoring still image data acquired by capturing a subject image with an imaging element, includes: acquiring blur information regarding blur in a Y direction of the imaging element upon image capturing; sets a recovery matrix for recovering, from the still image data, image data to be acquired upon capturing the subject image in a state where there is no blur; recovers the image data by multiplying the recovery matrix and the still image data; computes plural types of noises which derive from the recovery matrix and which are periodically superimposed on the recovered image data in the Y direction, based on (i) noise period information regarding a noise superimposition period of each noise, (ii) the recovered image data, and (iii) the still image data; and eliminates the computed noise from the recovered image data.

Abstract: A bus arbitration method for arbitrating a bus in a computer capable of executing a plurality of tasks by a plurality of devices connected to the bus is provided and includes: acquiring a task information at a timing, the information containing a priority of each of the tasks and a usage rate of each of the devices for executing each of the tasks; producing an information of a bus use condition of each of the devices on the basis of the priority and the usage rate so that that the bus is preferentially assigned to a device necessary to execute a task having high priority; and arbitrating the bus between the devices according to the information of the bus use condition.

Abstract: A reference image is cut out from a first image and a comparison image is cut out from a second image while shifting a cutting block by n pixels and correlation between each of the comparison images. The reference image is calculated to obtain a motion vector of the second image with respect to the first image. Plural second images (hereinafter, referred to as 2-1 image, 2-2 image, . . . ) obtained by shifting the second image by m pixels (m<n) are created and stored in a memory. Also, when cutting out the comparison image, plural comparison images are cut out from each of the 2-1 image, 2-2 image, . . . and operations of calculating correlation between each of the comparison images and the reference image are performed in parallel.

Abstract: The present invention provides a small, low power consumption ultrasonic flow velocity meter. The burst signal generation section 110 generates two kinds of burst signals with a phase difference and sends these burst signals to a pair of transmission/reception ultrasonic transducers 6 and 7 located on the upstream side and downstream side of the conduit to be measured 9. Upon reception of the corresponding burst signals, the pair of the transmission/reception ultrasonic transducers 6 and 7 convert the burst signals, send ultrasonic waves with a phase difference to the conduit to be measured 9, receive the ultrasonic wave sent by the other transmission/reception ultrasonic transducer and propagated through the conduit to be measured and convert the ultrasonic waves to received signals.

Abstract: An optical pickup and an optical disk apparatus of the invention includes a light source 1 mounted with a light-emitting element constituted of a monoblock on a surface of a plate 6 and emitting plural light beams, a light-receiving element 2, optical members 4, 5 and a coupling base 3 for coupling the light source 1, the light-receiving element 2 and the optical members 4, 5, wherein a light from the light source 1 is directed through the optical members 4, 5 toward an optical disk, and a returning light from the optical disk is guided through the optical members 4, 5 to the light-receiving element 2, characterized in that the plate 6 provided in the light source 1 and the coupling base 3 are adjoined by a solder.

Abstract: The present invention provides a small, low power consumption ultrasonic flow velocity meter. The burst signal generation section 110 generates two kinds of burst signals with a phase difference and sends these burst signals to a pair of transmission/reception ultrasonic transducers 6 and 7 located on the upstream side and downstream side of the conduit to be measured 9. Upon reception of the corresponding burst signals, the pair of the transmission/reception ultrasonic transducers 6 and 7 convert the burst signals, send ultrasonic waves with a phase difference to the conduit to be measured 9, receive the ultrasonic wave sent by the other transmission/reception ultrasonic transducer and propagated through the conduit to be measured and convert the ultrasonic waves to received signals.