Abstract: An image processing apparatus for tracking an image of a predetermined object included in an input captured image includes acquiring the captured image, executing tracking processing to identify a position of the image of the predetermined object included in the captured image, executing the tracking processing using different matching methods, acquiring situation information indicating a state of the predetermined object and/or an image capture situation of the captured image, and switching, on a basis of the situation information, to executing the tracking processing using either a first tracking unit or a second tracking unit on a basis of the captured image. The matching method used by the first tracking unit has a lower power consumption associated with executing the tracking processing than the matching method used by the second tracking unit.

Abstract: An image processing apparatus comprises a first tracking circuit configured to apply machine learning (ML)-based first tracking processing to images and a second tracking circuit configured to apply non-ML-based second tracking processing to the images. The apparatus controls operations of the first and second tracking circuits so that an operation frequency of the first tracking circuit to be lower than an operation frequency of the second tracking circuit.

Abstract: An image processing apparatus having appropriate capability while reducing power consumption is disclosed. The image processing apparatus comprises a first tracking unit and a second tracking unit having a higher processing accuracy and a greater operational load than the first tracking unit. The image processing apparatus computes an evaluation value pertaining to difficulty of tracking for a subject region as a tracking target determined in a target frame to which tracking processing is to be applied. The image processing apparatus, based on the evaluation value, activates both the first tracking unit and the second tracking unit, or deactivates at least one of the first tracking unit and the second tracking unit for a subsequent frame to the target frame.

Abstract: An image-capturing apparatus according to the present invention includes: an image sensor; a gaze detecting sensor configured to detect a gaze of a user; and at least one memory and at least one processor which function as: an object-detecting unit configured to detect an object from an image captured by the image sensor; and a control unit configured to, if the object-detecting unit detects an object of a specific type in a case where a state of the gaze detecting sensor is a first state for detecting the gaze, change the state of the gaze detecting sensor to a second state in which an electric power consumption of the gaze detecting sensor is less than in the first state.

Abstract: An image processing apparatus includes an analysis unit for analyzing an image, an extraction unit for extracting a reference image corresponding to a specific object, and a first correlation calculation unit and a second correlation calculation unit for presuming an area having a high correlation in an input image by using the reference image. The first correlation calculation unit executes presumption based on components including a direct current (DC) component, and the second correlation calculation unit executes presumption based on an alternate current (AC) component, from which the DC component is eliminated. Based on at least any one of a detection result of the specific object, a feature amount of the specific object, and an analysis result of an imaging scene, acquired by the analysis unit, the first correlation calculation unit and the second correlation calculation unit are switched when the area is presumed.

Abstract: An image processing device detects a subject inside a captured image, acquires information of a first subject area and a second subject area that is a part thereof, and detects features of the subject areas. The image processing device calculates evaluation values from the detected feature points. If the second subject area is detected, control of displaying a display frame corresponding to the subject area on the display unit is performed. In addition, if the second subject area is not detected, control of displaying ranging position candidate frames as evaluation values to be displayed on the display unit is performed.

Abstract: An information processing apparatus includes an acquisition unit configured to acquire a first phase signal and a second phase signal that are acquired by measuring a rotation of a moving object, and a calculation unit configured to calculate a rotational angle by an iterative calculation so as to satisfy a relational expression bearing an arctangent. The relational expression bearing the arctangent uses a first cosine wave and a second cosine wave at a higher harmonic of the first cosine wave for the first phase signal, and a first sine wave and a second sine wave at a higher harmonic of the first sine wave for the second phase signal. The first phase signal and the second phase signal may, for example, be analog signals having a wave shape.

Abstract: An information processing apparatus includes an acquisition unit configured to acquire a first phase signal and a second phase signal that are acquired by measuring a rotation of a moving object, and a calculation unit configured to calculate a rotational angle by an iterative calculation so as to satisfy a relational expression bearing an arctangent. The relational expression bearing the arctangent uses a first cosine wave and a second cosine wave at a higher harmonic of the first cosine wave for the first phase signal, and a first sine wave and a second sine wave at a higher harmonic of the first sine wave for the second phase signal. The first phase signal and the second phase signal may, for example, be analog signals having a wave shape.

Abstract: In one embodiment, a magnetic disk drive includes a magnetic disk having data tracks, a magnetic head, a motion mechanism for moving the magnetic head, and a controller. The controller adds a value to a rewrite parameter for a rewrite region based on a number of writes to data tracks related to the rewrite region, the value is chosen to reflect a degree of influence the number of writes have on the rewrite region, and the magnetic head rewrites data of the rewrite region when the rewrite parameter is greater than a threshold. In another embodiment, a method includes writing data tracks in a rewrite region, defining values reflecting a degree(s) of influence on the rewrite region, adding the values to a rewrite parameter upon writing data to the data tracks, determining that the rewrite parameter has reached or exceeded a threshold and rewriting data in the rewrite region.

Abstract: A hard disk drive (HDD) provides for the logical removal of defective physical heads. The HDD includes one or more disks organized into a plurality of regions, each region having a plurality of physical block addresses (PBAs). A number of physical heads are used to read and write information to the disks. A controller is configured to translate logical block addresses (LBAs) received from an external system to PBAs used to access the one or more disks, wherein the controller is configured to logically remove a defective physical head from service by dynamically re-assigning LBAs to each of the plurality of regions while preventing LBAs from being assigned to regions associated with the defective physical head.

Abstract: Provided is a method for controlling an image processing apparatus for generating and outputting frames different from each other in frequency component from an input frame include, detecting motion of the input frame by comparing the input frame with a frame before or after the input frame in terms of time, storing the input frame in a frame memory, and reading the input frame by a plurality of times to convert a frame rate of the input frame, generating the frames different from each other in frequency component from the frame whose frame rate has been converted, outputting the generated frames if the detected input frame is determined to be a moving image, and outputting the frame whose frame rate has been converted if the input frame is determined to be a still image.

Abstract: A master strategy adjustment method includes performing first recording on a master with a predetermined strategy, performing first measurement of an evaluation value of the master of the first recording, forming a first optical disc based on the master after the first recording, performing second measurement of an evaluation value of the optical disc formed as the first optical disc, calculating a target value of the evaluation value of the master based on a difference with the first measurement evaluation value and the second measurement evaluation value, and adjusting the strategy so that the evaluation value with regard to the master matches the target value, performing recording on the master with the adjusted writing strategy, performing measurement of the evaluation value of the master, and performing determination of whether the evaluation value is within a predetermined range with the target value as a reference until an affirmative result is obtained.

Abstract: A disc inspecting method includes: forming recording marks on a disc; scanning the recording marks from inside to outside or from outside to inside of the disc by a pickup unit to read a reproduction signal while rotating a spindle to move a slider by each predetermined width; acquiring reproduction data from the reproduction signal in a signal acquiring unit; and determining whether or not the reproduction data is proper in a calculation unit, and optimizing a formation condition of the recording marks when it is determined that the reproduction data is not proper.

Abstract: A method of changing a program for controlling a disk drive that includes an EEPROM. The method includes storing a program block to a disk area such that the program block is associated with a second area for storing the program block that is not utilized for a read operation from the disk area. The method also includes storing a program block that is associated with a first area to an area that includes at least a portion of the second area in the EEPROM such that the first area contained a program block that is utilized for a read operation from the disk area. In addition, the method includes changing the program block in the first area after storing to the second area. Moreover, the method includes storing to the second area the program block that is not utilized for a read operation from the disk area after storing to the first area.

Abstract: A master strategy adjustment method includes performing first recording on a master with a predetermined strategy, performing first measurement of an evaluation value of the master of the first recording, forming a first optical disc based on the master after the first recording, performing second measurement of an evaluation value of the optical disc formed as the first optical disc, calculating a target value of the evaluation value of the master based on a difference with the first measurement evaluation value and the second measurement evaluation value, and adjusting the strategy so that the evaluation value with regard to the master matches the target value, performing recording on the master with the adjusted writing strategy, performing measurement of the evaluation value of the master, and performing determination of whether the evaluation value is within a predetermined range with the target value as a reference until an affirmative result is obtained.

Abstract: A disc inspecting method includes: forming recording marks on a disc; scanning the recording marks from inside to outside or from outside to inside of the disc by a pickup unit to read a reproduction signal while rotating a spindle to move a slider by each predetermined width; acquiring reproduction data from the reproduction signal in a signal acquiring unit; and determining whether or not the reproduction data is proper in a calculation unit, and optimizing a formation condition of the recording marks when it is determined that the reproduction data is not proper.

Abstract: A recording drive waveform adjusting method for manufacturing a master disc is provided. The method includes forming an exposed area in an inorganic resist layer for test exposure by irradiating a master disc having the inorganic resist layer with laser light of a recording power based on a recording drive waveform according to a test recording signal. The method also includes obtaining reflected-light information by irradiating the exposed area formed in the test exposure with laser light of a reproducing power, determining whether the recording drive waveform is appropriate by using the reflected-light information, and correcting the recording drive waveform if the recording drive waveform is determined to be inappropriate in the determination.

Abstract: An exposure apparatus includes an exposure unit selectively performing exposure on a resist layer with a first laser beam, focused by a lens system, in a pattern including pits and lands arranged in a scanning direction; a detecting unit detecting a reflection of a second laser beam applied through the lens system to the resist layer selectively exposed to the first laser beam, the second laser beam being produced by changing a focal length of the lens system such that the resist layer is prevented from responding thereto; a calculating unit calculating, from a result of the detection, a displacement between center axes of signal waveforms representing beams reflected from first and second portions of the pattern having a smallest width and a larger width, respectively; a setting unit setting the focal length of the lens system to such a value that the displacement is maximal; and a control unit controlling the exposure unit to expose the resist layer to the first laser beam focused with the focal length set

Abstract: Provided is a method for controlling an image processing apparatus for generating and outputting frames different from each other in frequency component from an input frame include, detecting motion of the input frame by comparing the input frame with a frame before or after the input frame in terms of time, storing the input frame in a frame memory, and reading the input frame by a plurality of times to convert a frame rate of the input frame, generating the frames different from each other in frequency component from the frame whose frame rate has been converted, outputting the generated frames if the detected input frame is determined to be a moving image, and outputting the frame whose frame rate has been converted if the input frame is determined to be a still image.

Abstract: Embodiments in accordance with the present invention help a disk drive to effectively cope with a data address mark detection error. In one embodiment, a data sector is provided with plural data address marks and an read/write (RW) channel reads out the data sector using part of those data address marks. Each divisional section of a split sector has two data address marks and the RW channel uses one of the two data address marks. A data address mark to be used is specified by a register. When an error occurs in detecting a data address mark, its position is stored in a register. Based on the error position, an error recovery processing section stores, in the register, a data address mark to be used in a next retry.