摘要:
An input device which generates control information by moving an object to be detected, having an image capture section which captures an image of the object to be detected, a feature point extraction section which extracts a feature point of the image captured by the image capture section, a difference calculation section which calculates a difference between a reference position and a position of the feature point, and a control information output section which outputs the control information corresponding to the calculated difference.
摘要:
An input device, which generates control information by capturing an image of a detection object, comprises: a registered image storage section which stores a registered image in which a parameter value is associated with at least a part of the registered image; an image capture section which captures an image of the detection object; and a control information output section which outputs control information corresponding to the parameter value associated with an area of the registered image corresponding to the image of the detection object.
摘要:
In an information device, a fingerprint image capture section captures a fingerprint image of an operator. When a fingerprint image captured by the fingerprint image capture section is referred to as a first fingerprint image and a fingerprint image captured at a given time interval after the first fingerprint image is captured is referred to as a second fingerprint image, a comparison section compares minutiae points of the first and second fingerprint images extracted by a minutiae point extraction section. An image generation section generates image information which is changed while reflecting the comparison results of the comparison section. A display section displays an image based on the image information generated by the image generation section. The information device may be provided with a check section, and display control by the display section may be performed after a fingerprint image is checked by the check section.
摘要:
A light source device includes: a light source; a driving signal generating unit that supplies a driving signal to the light source; a light amount measuring unit that measures the amount of light of the light source; and a light amount correcting unit that calculates as a light amount error a difference between a target light amount corresponding to a gray-scale value indicated by gray-scale data input from the outside and the amount of light measured by the light amount measuring unit, corrects a differential efficiency by an integrated value of a product of the light amount error and the gray-scale value, corrects a threshold value of the driving signal, and outputs to the driving signal generating unit a command signal for generating a driving signal having a differential efficiency and a threshold value after the correction.
摘要:
A pulse width modulation signal generating device which generates a pulse width modulation signal for modulating laser beam according to image data includes: a cycle signal output circuit which outputs a cycle signal having a cycle corresponding to a drawing rate for drawing the image data by the laser beam; and a pulse width modulation circuit which receives supply of the image data and the cycle signal and modulates a pulse wave having a cycle determined by the cycle signal by changing duty ratio of the pulse wave based on the image data to produce the pulse width modulation signal.
摘要:
A light source device includes: a light emitting element; a pulse drive section adapted to supply the light emitting element with a pulse current in order for controlling an average emission light intensity from the light emitting element; and a light emitting element shunt section disposed in parallel to the light emitting element and adapted to shunt the light emitting element.
摘要:
A light source device including a semiconductor light emitting element and a control section for controlling the semiconductor light emitting element in accordance with an input value. The control section includes a supply section that supplies the semiconductor light emitting element with a drive current based on the input value and an estimated threshold current of the semiconductor light emitting element, and an estimation section that obtains the estimation of the threshold current using the drive current and the amount of light detected to be emitted from the semiconductor light emitting element.
摘要:
A light source device includes: a semiconductor light-emitting element that emits, according to an input value, light having first wavelength; a wavelength converting element that converts, with a nonlinear optical effect, the light having the first wavelength emitted by the semiconductor light-emitting element into light having second wavelength; a light-amount measuring unit that measures a light amount of the light having the second wavelength emitted from the wavelength converting element; an equivalent-light-amount calculating unit that calculates, on the basis of the measured light amount measured by the light-amount measuring unit, an equivalent light amount equivalent to a light amount of the light having the first wavelength; and a light-amount correcting unit that corrects an emitted light amount of the semiconductor light-emitting element using the input value and the equivalent light amount.
摘要:
An input device which generates control information by moving an object to be detected, having an image capture section which captures an image of the object to be detected, a feature point extraction section which extracts a feature point of the image captured by the image capture section, a difference calculation section which calculates a difference between a reference position and a position of the feature point, and a control information output section which outputs the control information corresponding to the calculated difference.
摘要:
An image display apparatus includes a light source, a scanner that scans an output beam emitted from the light source to forms an image on a projection surface, a light source driver that control intensity of the output beam emitted from the light source by controlling a drive current for driving the light source based on input image data, a light source drive power supply that supplies power to the light source driver, and a voltage controller that controls an output voltage from the light source drive power supply based on the input image data.