64results about How to "Imaging time is short" patented technology

The invention discloses a millimeter wave holographic three-dimensional imaging-based human body security inspection system and method. The millimeter wave holographic three-dimensional imaging-based human body security inspection system includes an inspection room, a mechanical scanning mechanism, a millimeter wave transmitting-receiving unit, an image processing unit and an alarm unit; the mechanical scanning mechanism is used for driving the millimeter wave transmitting-receiving unit to move simultaneously relative to people to be inspected in a horizontal direction and a vertical direction; the millimeter wave transmitting-receiving unit is used for transmitting millimeter wave signals to the people to be inspected and receiving millimeter wave signals reflected from the people to be inspected; the image processing unit is used for performing holographic three-dimensional imaging on the bodies of the people to be inspected so as to obtain three-dimensional image of the bodies; and the alarm unit is used for comparing the three-dimensional images of the bodies with secure body three-dimensional images pre-stored in the alarm unit, and emitting alarms if the three-dimensional image of the bodies are not matched with the secure body three-dimensional images pre-stored in the alarm unit. According to the millimeter wave holographic three-dimensional imaging-based human body security inspection system of the invention, mechanical scanning is adopted to replace electric scanning. The millimeter wave holographic three-dimensional imaging-based human body security inspection system has the advantages of low cost, simple structure, short production period, high resolution, fast imaging time and wide application.

A scanning image display system which includes a plurality of scanning image displays each including a light source adapted to emit a laser beam, and a scan unit having a first scan section adapted to scan the laser beam emitted from the light source in a first direction on a projection surface, and a second scan section adapted to scan the laser beam in a second direction substantially perpendicular to the first direction. The first scan sections are resonant scan sections which are faster than the second scan sections in scan speed. The first scan sections are heated with light during the time that an image is formed and a reset period of the second scan sections in order to control resonant frequencies of the first scan sections.

A head mount display includes a first frame, a display, a second frame, and a junction. The display is mountable on the first frame. The second frame is configured to be pivotably connected to the first frame and includes a circuit module. The circuit module includes a power circuit configured to supply power to the display. The junction is configured to electrically connect the display and the circuit module.

A method for driving a charge-transfer type solid-state image pick-up device, wherein the charge-transfer type solid-state image pick-up device comprises: high sensitivity photoelectric conversion elements for executing photoelectric conversion with relatively high sensitivity; low sensitivity photoelectric conversion elements for executing photoelectric conversion with relatively low sensitivity; and vertical transfer channels for transferring signal charges from said high sensitivity photoelectric conversion elements and said low sensitivity photoelectric conversion elements, the method comprising a charge transfer step of individually reading / transferring first signal charges from said high sensitivity photoelectric conversion elements and second signal charges from said low sensitivity photoelectric conversion elements onto said vertical transfer channels, without executing a high speed charge transfer operation for the vertical transfer channels after exposure of said solid-state image pick-up device.

An image analysis device for analyzing a magnetic resonance image obtained from a living body includes a phase difference distribution creating unit configured to create a phase difference distribution of a magnetic resonance image obtained from a predetermined area of the living body, a fitting unit configured to fit the phase difference distribution created by the phase difference distribution creating unit with a plurality of function groups, and a verifying unit configured to verify normality of the living body included in the predetermined area, based on the magnetic susceptibility of the tissue included in the predetermined area determined on the basis of the parameters of the plurality of function groups fit to the phase difference distribution by the fitting unit.

One embodiment provides a gamma camera system, including: a stand, a rotatable gantry supported by the stand, and a transformable gamma camera connected by mechanical supports to the rotatable gantry and comprising groups of tiled arrays of gamma detectors and a collimator for each group of tiled arrays of gamma detectors; the transformable gamma camera being configured to subdivide into a plurality of subdivided gamma cameras, each of the subdivided gamma cameras having at least one of the groups of tiled arrays of gamma detectors and corresponding collimator, wherein the subdivision into a plurality of subdivided gamma cameras facilitates contouring with a region of interest for a spatial resolution. Other embodiments are described and claimed.

The invention discloses a VOx terahertz uncooled focal plane detector component, which is short in imaging time and high in sensitivity. The VOx terahertz uncooled focal plane detector component comprises a VOx terahertz uncooled focal plane detector, a frame frequency and integration time adjustable detector driving circuit and a detector signal processing part, wherein the frame frequency and integration time adjustable detector driving circuit is used for driving the VOx terahertz uncooled focal plane detector to work, and regulating the frame frequency and the exposure time of the VOx terahertz uncooled focal plane detector according to application requirements; the VOx terahertz uncooled focal plane detector is used for imaging the terahertz radiation of a target scenario onto a focal plane, and further outputting the imaged terahertz radiation to the detector signal processing part; and the detector signal processing unit is used for receiving a signal output by the VOx terahertz uncooled focal plane detector, and finishing the image signal processing of terahertz imaging.