Panasonic Intellectual Property Management Co., Ltd.

Panasonic Intellectual Property Corporation of America

Panasonic Corporation

Panasonic Intellectual Property Co., Ltd.

Ryuji Fuchikami

Kazuhiro Minami

Hideyuki Nakamura

Ikuo Fuchigami

Kenji Shimizu

Ken Mashitani

Yuji Sugisawa

Masahiro Ohashi

Tomoo Kimura

Tadanori Tezuka

Takayuki Sasaki

Yoichi Nishida

Toshihiro Ishikawa

Chiharu Tsubota

Takashi Nishitoba

This fingerprint registration method by a user terminal device includes: capturing an image of a fingertip by a camera provided to the user terminal device; generating and displaying an enlarged image obtained by enlarging a fingertip image that includes the captured fingertip; receiving a user operation whether or not the fingertip image is to be registered for fingerprint authentication on the basis of the enlarged image; and transmitting, to an external server as fingerprint data, the fingertip image on which registration operation has been performed through the user operation.

Fingerprint registration method and user terminal device

A projection system includes a projection apparatus configured to perform position measurement and projection on a target object. The projection apparatus includes: an invisible light projector configured to project measurement light of invisible light onto the target object; a light receiver configured to receive reflected light of the measurement light reflected from the target object; and a calculator configured to calculate position information of the target object based on the reflected light of the measurement light. The calculator is configured to perform a mask processing of limiting a part of a projection range in which the measurement light is projected.

Projection system, projection adjustment program, and projection method

A projection adjustment program which causes a computer to execute a process relating to adjustment of projection operations of a plurality of projection devices configured to perform position measurement and projection on a target object in a projection system including the plurality of projection devices. The process includes: causing a projection device to project measurement light onto the target object; causing an image capture device to receive reflection light of the measurement light, the reflection light being reflected from the target object; judging a connection relationship of a projection range of the projection device on a basis of the received reflection light of the measurement light; executing a process of the judging of the connection relationship on all processing target projection devices; generating projection position information indicating a connection relationship between projection ranges of the respective projection devices of the projection system; and displaying the generated projection position information on a display.

Projection adjustment program and projection adjustment method

A projection control device includes: a communication unit connected to communicate with an image capturing device configured to capture an image of a target object positioned around a projected object; a derivation unit configured to derive a projection position of a content image based on designation of a parameter related to the content image to be projected onto the projected object and an image of the projected object including the target object; a projection image generation unit configured to generate a projection image including the content image disposed at the derived projection position; and a control unit configured to transmit a projection instruction of the projection image to a projection device via the communication unit.

Projection control device, projection control method and projection control system

A non-transitory computer-readable storage medium stores a projection adjustment program which, when executed by a processor, causes a computer to execute a process relating to adjustment of projection operations of projection devices configured to perform position measurement and projection on a target object in a projection system including the projection devices. The process includes: causing a first projection device to project invisible measurement light onto the target object; causing a second projection device to receive reflection light reflected from the target object; judging a connection relationship of a projection range of the first projection device on the basis of the received reflection light; executing a process of the judging of the connection relationship on all processing target projection devices; and generating projection position information indicating a connection relationship between projection ranges of the respective projection devices and displaying the projection position information on a display unit.

A projection system includes a plurality of projection devices configured to perform position measurement and projection on a target object. Each of the projection devices includes: an invisible light projection unit configured to project invisible measurement light onto the target object; a light receiving unit configured to receive reflection light of the measurement light, the reflection light being reflected from the target object; a computing unit configured to calculate position information of the target object on the basis of the reflection light of the measurement light; and a visible light projection unit configured to project a visible light video content on the basis of the position information of the target object. A first projection device and a second projection device of the plurality of projection devices project the measurement light at different projection timings.

Projection system, projection device, and projection method

Projection device switches and projects a plurality of types of pattern images in a unit of projection frame. Imaging device images object to which the pattern image is projected and generates image data. Measurement device discriminates whether each imaging frame is a key frame of the image data obtained by capturing one of the pattern images or a blended frame of the image data obtained by capturing a plurality of the pattern images switched during an exposure period of one frame, and performs measurement based on a space coding method by using at least the image data of the key frame.

Projection imaging system, measurement device, and projection imaging method

Video display system is configured to include imaging device that sequentially outputs display video data of a second gradation having a second bit number smaller than a first bit number, based on captured video data of the first gradation having the first bit number, and display apparatus that sequentially displays a video based on the display video data from imaging device, and in display apparatus, when a plurality of frames continuous in time series are displayed based on the display video data, although a first gradation value based on the first gradation of a predetermined pixel included in the captured video data corresponding to the plurality of frames does not change in imaging device, a second gradation value based on the second gradation of the predetermined pixel included in the display video data corresponding to the plurality of frames varies.

Video display system and video display method

A video signal processing device is configured to include a quantizer that sequentially outputs quantized data obtained by quantizing input data based on the video data of the first gradation into the video data of the second gradation, a storage that sequentially stores the quantized data output from the quantizer, a difference calculator that sequentially calculates differences between the video data of the first gradation for a current frame and the quantized data for a previous frame stored in the storage, and an integrator that sequentially outputs integral data obtained by sequentially integrating data output from the difference calculator as the input data of the quantizer.

Video signal processing device, video display system, and video signal processing method

A projection system for projecting an image comprises: a visible light projector that projects the image with visible light; an invisible light projector that projects an invisible light image onto the object with invisible light; an imaging device that captures the invisible light image projected from the invisible light projector; and a controller that obtains information regarding reflected light from the object while obtaining three-dimensional measurements of the object to control the image, based on a capture image. The invisible light image includes a bright region and a dark region having a light amount less than the light amount of the bright region. The invisible light projector emits the invisible light to cause the light amount of the dark region in the invisible light image to be more than or equal to an offset value.

Projection system

A projection device viewpoint image of a three-dimensional projection target is acquired, a three-dimensional model corresponding to the projection target is prepared as projection contents, the three-dimensional model is converted into a two-dimensional image that coincides with the projection device viewpoint image, and the two-dimensional image that coincides with the projector viewpoint image is projected to the projection target.

Image projection method and image projection device for three-dimensional object for projection

An image display device includes an image input unit into which an image signal from an image signal source is input; a memory; a writing unit that writes at a first frequency an image signal input into the image input unit into the memory; a reading unit that reads at a second frequency higher than the first frequency an image signal written in the memory; an image output unit that outputs an image signal read by the reading unit to a display unit; and an image interpolation unit that interpolates an image to be output to the display unit.

Image display device including first and second input units, memories, writing units, and reading units, and an interpolation unit that combines image signals read by the reading units from the memory units

In an image projection system, a computing device generates conversion information for converting camera coordinates used by an imaging device and projector coordinates used by an image projection device based on a positional relationship between a projection pattern image and an imaging pattern image, the imaging device images a subject including a person, the computing device detects a first position indicating a position related to the camera coordinates in a specific region in the person, the computing device converts information on the first position into information on a second position indicating a position related to the projector coordinates in the specific region based on the conversion information, and the image projection device projects a warning image for overlapping with an entire region of the specific region based on the information on the second position.

Image projection system, image projection device, and image projection method

A projection system includes an invisible light projector, a background member, an imaging unit, an image generator, and a visible light projector. The invisible light projector projects a predetermined invisible light image onto the object via invisible light. The background member is disposed behind the object in a direction of the invisible light emitted from the invisible light projector. The imaging unit captures an image of the invisible light projected from the invisible light projector. The image generator measures a shape of the object based on the image captured by the imaging unit to generate image data showing image content for projection onto the object in accordance with the measured shape. The visible light projector projects the image content shown by the image data onto the object via visible light. The background member has a light shielding surface that does not diffusely reflect the invisible light incident thereon.

A high-speed display device inputs first video information having a first frame rate and a gradation of first number of bits, generates a set of M (integer of 2 or more) variation gradation values having a second number of bits smaller than the first number of bits and having a sum corresponding to the respective gradation values of the gradations of the first number of bits, and distributes the values from the set of the M variation gradation values corresponding to the respective gradation values of the first video information obtained from a variation gradation value output to the corresponding M frames for each frame of the first video information to generate second video information having a second frame rate that is M times the first frame rate and display video based on the second video information.

Growing community of inventors

Fukuoka, Japan

Ryuji Fuchikami