JP2015161748A5

JP2015161748A5 - Projection apparatus, image processing apparatus, control method therefor, and program

Info

Publication number: JP2015161748A5
Application number: JP2014035993A
Authority: JP
Filing date: 2014-02-26
Publication date: 2017-03-30
Anticipated expiration: 2034-02-26

Description

本発明は、上記課題に鑑みてなされ、その目的は、スクリーン上に付加された情報が残った状態で投影映像が切り替えられた場合であっても、投影中の映像と新たに付加された情報とを正確に関連付けて記録することができる技術を実現することである。 The present invention has been made in view of the above-described problems, and its purpose is to provide a newly added image and a newly added information even when the projection image is switched in a state where the information added on the screen remains. It is to realize a technology capable of accurately associating and recording.

上記課題を解決し、目的を達成するために、本発明の投影装置は、映像データを投影する投影装置であって、前記映像データが投影されているスクリーンを撮像する撮像手段と、前記撮像手段により得られた画像データから、前記スクリーンに投影されている映像データとは別に当該スクリーンに付加された付加情報を検出する検出手段と、前記検出手段により検出された付加情報と、当該付加情報が検出されたときに前記スクリーンに投影されていた映像データとを関連付けて記録する記録手段と、前記スクリーンに投影されている映像データが切り替えられたときに、前記撮像手段によるスクリーンの撮影と、前記検出手段による付加情報の検出とを行い、前記検出手段により新たに付加情報が検出されたときに、当該新たに検出された付加情報と当該付加情報が検出されたときに投影されていた映像データとを関連付けて記録するように制御する制御手段と、を有する。 In order to solve the above-described problems and achieve the object, a projection apparatus of the present invention is a projection apparatus that projects video data, an imaging unit that images a screen on which the video data is projected, and the imaging unit Detecting means for detecting additional information added to the screen separately from the video data projected on the screen, additional information detected by the detecting means, and the additional information Recording means for recording the video data projected on the screen in association with the screen when detected, photographing of the screen by the imaging means when the video data projected on the screen is switched, and When the additional information is newly detected by the detecting means, the additional information is detected by the detecting means. Pressure information and the additional information and a control means for controlling to record in association with image data that was projected when it is detected.

本発明によれば、スクリーン上に付加された情報が残った状態で投影映像が切り替えられた場合であっても、投影中の映像と新たに付加された情報とを正確に関連付けて記録することができる。 According to the present invention, even when the projection video is switched in a state where information added on the screen remains, the video being projected and the newly added information are accurately associated and recorded. Can do.

Claims

A projection device for projecting video data,
Imaging means for imaging a screen on which the video data is projected;
Detecting means for detecting additional information added to the screen separately from video data projected on the screen, from the image data obtained by the imaging means;
Recording means for associating and recording additional information detected by the detection means and video data projected on the screen when the additional information is detected;
When the video data projected on the screen is switched, the screen is photographed by the imaging means and the additional information is detected by the detecting means, and the additional information is newly detected by the detecting means And a control means for controlling to record the newly detected additional information and the video data projected when the additional information is detected in association with each other.

First storage means for storing video data projected on the screen;
Second storage means for storing additional information detected during the projection of the video data;
The recording unit records video data stored in the first storage unit in association with additional information stored in the second storage unit in response to a recording request. The projection apparatus according to claim 1.

The recording means includes first information indicating a position of the additional information in the video data in addition to the additional information newly detected by the detection means and the video data projected when the additional information is detected. 3. The projection apparatus according to claim 1, wherein at least one of the first information and the second information indicating the timing at which the additional information is deleted is recorded.

Synthesizing means for synthesizing the video data and the additional information recorded in association with each other based on at least one of the first information and the second information;
The projection apparatus according to claim 3, further comprising a reproduction unit that reproduces the image data synthesized by the synthesis unit.

5. The projection apparatus according to claim 4, wherein the control unit controls the combining unit so as not to combine the additional information with the video data from which the additional information has been deleted based on the second information.

The projection apparatus according to claim 1, wherein the additional information is handwritten information written on a screen when the video data is projected.

The projection apparatus according to claim 6, wherein the imaging unit captures handwritten information written on a screen different from a screen on which the video data is projected.

When the first additional information is detected within the projection range of the video data, and the second additional information is detected outside the projection range of the video data, the control means, even if the video data is switched, The projection apparatus according to claim 2, wherein control is performed so that the second additional information is always stored in the second storage unit until the second additional information is deleted.

Receiving means for receiving video data from the image processing device;
The video data projected on the screen, and transmission means for transmitting the additional information to the image processing apparatus when the additional information is detected by the detecting means. The projection apparatus according to any one of 1 to 8.

An image processing apparatus that is communicably connected to a projection apparatus,
Transmitting means for generating video data that can be projected by the projection device and transmitting the image data to the projection device;
Receiving means for receiving, from the projection device, video data projected on the screen in the projection device, and additional information added to the screen detected at the time of projection of the video data;
An image processing apparatus, comprising: a recording unit that records the additional information received by the receiving unit in association with the video data projected by the projection device when the additional information is detected.

Combining means for combining the video data and the additional information recorded in association with each other by the recording means;
Display means for displaying the image data synthesized by the synthesizing means,
The image processing apparatus according to claim 10, wherein the transmission unit transmits the image data displayed on the display unit to the projection device.

A method of controlling a projection device that projects video data,
Imaging means for photographing a screen on which the video data is projected;
Detecting means for detecting additional information added to the screen separately from the video data projected on the screen from the captured image data;
A recording unit, when the additional information is detected, recording the additional information in association with the video data projected on the screen when the additional information is detected;
The control means executes photographing of the screen by the imaging means, detection of additional information by the detection means, and recording by the recording means when the video data projected on the screen is switched. And a step of controlling the projection apparatus.

A control method of an image processing apparatus connected to a projection apparatus so as to be communicable,
Transmitting means for generating video data that can be projected by the projection device and transmitting the image data to the projection device;
Receiving means from the projection device receiving video data projected on the screen in the projection device and additional information added to the screen detected when projecting the video data;
And a recording unit that records the received additional information in association with the video data projected by the projection device when the additional information is detected. Control method.

  A projection device for projecting video data,
  Detecting means for detecting additional information added to the screen separately from the video data projected on the screen, from image data obtained by imaging the screen on which the video data is projected;
  Recording means for recording the additional information detected by the detection means in association with the video data projected on the screen when the additional information is detected;
  When new additional information is detected by the detecting means after the video data projected on the screen is switched, the newly detected additional information is projected when the additional information is detected. Control means for controlling the image data so as to be associated with the video data.

When the image data obtained by imaging after the video data projected on the screen is switched includes additional information added before switching, the control means The projection apparatus according to claim 14, wherein the additional information added before the switching is controlled so as not to be associated with the video data after the switching.

  An image processing device that communicates with a projection device,
  Transmitting means for generating video data that can be projected by the projection device and transmitting the image data to the projection device;
  Receiving means for receiving additional information added to a screen on which the projection apparatus projects a video based on the video data;
  Recording means for recording the received additional information in association with video data projected by the projection device when the additional information is detected;
  The recording means associates the newly added additional information with the video data projected after the switching after the video data projected on the screen is switched. apparatus.

The image processing apparatus according to claim 16, wherein the reception unit receives image data obtained by photographing the screen as the additional information.

If the image data obtained by imaging after the video data projected on the screen is switched includes additional information added before switching, the recording means 18. The image processing apparatus according to claim 16, wherein the additional information added before the switching is recorded so as not to be associated with the video data after the switching.

  A method of controlling a projection device that projects video data,
  Detecting means for detecting additional information added to the screen separately from the video data projected on the screen from image data obtained by imaging the screen on which the video data is projected;
  Recording means for recording the detected additional information in association with the video data projected on the screen when the additional information is detected;
  When the control means detects new additional information after the video data projected on the screen is switched, the newly detected additional information is projected when the additional information is detected. And a step of controlling so as to be associated with the image data that has been performed.

  A method of controlling an image processing apparatus that communicates with a projection apparatus,
  Transmitting means for generating video data that can be projected by the projection device and transmitting the image data to the projection device;
  Receiving means for receiving additional information added to a screen on which the projection device projects a video based on the video data;
  The recording means records the received additional information in association with the video data projected by the projection device when the additional information is detected, and
  In the recording step, after the video data projected on the screen is switched, the newly added additional information is associated with the video data projected after the switching. A method for controlling a processing apparatus.

A program for causing a computer to execute the control method according to any one of claims 12, 13, 19, and 20.