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Controlling device and method for camera

A technology of a control device and a control method, which is applied in the directions of image communication, TV, color TV components, etc., can solve the problems such as the inability to determine the camera shooting, the difficulty for operators to judge, and the inability to determine the zoom of the camera.

Inactive Publication Date: 2005-06-01
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In many cases, however, it is difficult for operators to exercise their best judgment
[0014] 2) Obstacles may prevent the camera from capturing the desired image even when the operator has designated and controlled the camera
[0015] 3) Even when the operator has designated and controlled the camera, another camera may be able to focus on the desired position more quickly than the designated camera by turning
Operators are often not sure which camera can capture the desired location in the shortest time
[0016] 4) Even when the operator has designated and controlled the camera so that the camera is aimed at the desired position, the user cannot be sure whether the position is visible from the direction the operator wishes to shoot
Operators are often not sure which camera can zoom to the desired range in the shortest time
[0018] 6) In the case that the operator has designated and controlled the camera, even if the image captured by the camera under control has been rotated, the operator will encounter difficulties in determining the image currently being controlled, because the camera All images captured are in motion
[0019] 7) When wishing to view the details of a location and its surroundings at the same time, the operator must independently control two or more cameras by using control commands, thus wasting a lot of time

Method used

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  • Controlling device and method for camera
  • Controlling device and method for camera
  • Controlling device and method for camera

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0066] This embodiment is directed to a system consisting of an image transmitter for transmitting images captured by a plurality of cameras and an image receiver for receiving images over a network and displaying the camera images. The system enables the image receiver to control the angle of the camera connected to the image transmitter.

[0067] The camera control method will now be described. According to this camera control method, when an operator issues an instruction to designate a location he wishes to monitor (hereinafter referred to as "designated location"), it is possible to automatically select a location from a plurality of cameras by means of an input device connected to the image receiver. The camera that turns the fastest and shoots the specified position is selected, and the camera thus selected is turned to the specified position. figure 1 The structure of a system embodying this camera control method is shown. in addition, figure 2 An exemplary layout...

no. 2 example

[0085] In the first embodiment, based on the camera angle information, the to-be-operated camera determination unit 125 determines, as the camera to be manipulated, the camera that can turn most quickly to the position designated by the operator, and generates a command for actually turning the thus determined camera . This embodiment will describe a method of turning another camera instead of the camera selected thereby, in the presence of an obstacle along an imaginary straight line between the camera and the designated position. Image 6 The structure of a system embodying this method is shown. Figure 7 Exemplary obstacles 701 on the map 220 provided in the camera control area 210 displayed on the screen 200 of the image receiver 120 are shown.

[0086] exist Image 6 In, reference numerals 101, 102, 103 and 104 denote cameras; 110 denotes an image transmitter for transmitting image data; 120 denotes an image receiver for receiving image data and playing images; 105 deno...

no. 3 example

[0106] In the first embodiment, the image receiver 120 selects the camera that can turn to the designated position most quickly according to the angle of the camera. In this embodiment, two factors are simultaneously used as conditions for selecting a camera to be manipulated, and these two factors are the angle and focus of the camera. In order to be able to use two factors of different scales - that is, the angle and focus of the camera - to represent the cameras can be compared with each other, these two factors are converted into two factors that can be compared with each other, that is, the camera required to turn to the specified position Time and the time it takes for the camera to focus on the specified location. The structure of the system embodying the method of the present invention is shown in Figure 10 middle.

[0107] The image receiver 120 of the present invention corresponds to the image receiver 120 of the first embodiment except that the following elements...

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PUM

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Abstract

A camera control device and method, wherein the rotation angle required for the camera to be aimed at the position specified by the operator is calculated according to the specified position and the direction the camera is currently pointing at. According to the calculated angle, the camera that needs to rotate the smallest angle is determined from the group of cameras as the camera that can be aimed at the designated position most quickly.

Description

technical field [0001] The present invention relates to an image receiver (eg, a camera control system capable of controlling the angle of a camera) in a system comprising an image transmitter and an image receiver, wherein the image transmitter is used to transmit a camera captured by a plurality of cameras whose angles can be controlled image, the image receiver is used to display the camera image sent from it. Background technique [0002] Recent advances in network technology have produced systems that can transmit images captured by cameras over a network and play back the images at a receiving end (hereinafter often referred to as an "image receiving end"). Among such systems, many allow an image receiver that receives and plays back images to control a turntable on which a camera connected to a transmitter (often referred to as "image transmitter" hereinafter) is mounted. [0003] Unexamined Japanese Patent Laid-Open No. 7-123390 / (1995) describes a camera control sys...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N23/90H04N7/18
CPCH04N7/181H04N23/66
Inventor 冈田进南摩英明野岛晋二
Owner PANASONIC CORP