JP2010041295A - Imaging apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve sense of use of an imaging apparatus by enabling a user to image photography intervals in preview. <P>SOLUTION: The imaging apparatus has: a still picture and moving picture imaging means 103; a display means 112 for displaying a photographed image and/or sound output means; time information detection means and positional information detection means 117 for detecting time information and positional information in imaging; a time difference calculation means for calculating time difference by a plurality of pieces of detected time information, calculating distance by a plurality of pieces of detected positional information, and calculating speed by the time difference and the distance; a distance calculation means and a speed calculation means 114, and outputs drift speed in photography as an image, a sign and sound which are sensuously easy to be recognized together with a plurality of photographed image in reproduction. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a display method based on speed information calculated from position information and distance information and an operation during display in an imaging apparatus.

The GPS (Global Positioning System) is a system that knows the current position by receiving signals from a plurality of GPS satellites with a GPS receiver and performing positioning. There are car navigation systems, cameras, and the like that use position information obtained by mounting GPS receivers in electrical equipment. In the car navigation system, a vehicle speed pulse or the like is used in addition to the GPS to guide the travel route to the current position or destination on the display screen during driving of the automobile. In the camera, it is possible to know the shooting location of the shot image by referring to the position information measured by the GPS device when playing back the shot image, and it is possible to search for the shot image using the shooting location. . In addition, there are some that divide the storage area of the captured image from the time at the time of shooting.
Japanese Patent Laid-Open No. 04-70724 Japanese Patent Laid-Open No. 04-347977

  However, there are imaging systems that display during playback how the two shooting images taken with the camera were moved and taken and under what shooting environment. Not. Whether the shooting interval is sufficient or the shooting before and after long-distance movement, a display method that allows the user to easily perceive sensuously during playback is a problem.

In order to solve the above problems, an imaging apparatus according to the present invention provides:
Imaging means capable of capturing still images and moving images;
Display means for displaying a photographed image captured by the imaging means;
Time information detecting means for detecting time information by the imaging means;
Position information detecting means for detecting position information by the imaging means;
Time difference calculating means for calculating a time difference from a plurality of time information detected by the time information detecting means;
Distance calculating means for calculating a distance from a plurality of pieces of position information detected by the position information detecting means;
Speed calculating means for calculating a speed from the time calculating means and the distance calculating means;
It has a display control means for controlling the display means based on the speed information calculated by the speed calculation means.

  Furthermore, the imaging apparatus further includes voice output means for outputting voice, and voice control means for controlling the voice output means based on speed information calculated by the speed calculation means.

  Furthermore, in the imaging apparatus, the time information detection unit and the position information detection unit perform detection processing in conjunction with imaging.

  Furthermore, in the imaging apparatus, the time information detection unit and the position information detection unit perform detection processing in conjunction with arbitrary processing regardless of shooting.

  Further, the imaging apparatus is characterized in that the display means is controlled by map information reading means for reading map information and position information detected by the position information detecting means.

  By outputting images, symbols, and voices that can easily perceive the moving speed during shooting together with multiple shot images during playback, it is possible to improve the user's feeling of use and improve the usage frequency of the imaging device It becomes possible to promote.

  Next, details of the present invention will be described in accordance with the description of the embodiments.

  FIG. 1 is a configuration diagram of an imaging apparatus according to an embodiment of the present invention.

  In FIG. 1, the imaging apparatus (video camera) includes an optical system 101 including a lens and a diaphragm, a mechanical shutter 102, an imaging element 103, a CDS circuit 104 that performs analog signal processing, and an A / D that converts an analog signal into a digital signal. A converter 105 is provided.

  Here, the image sensor 103 scans a pixel arranged on a two-dimensional plane that converts incident light from a subject into an electric signal, and sequentially performs a reset operation and a read operation of the pixel in one direction on the two-dimensional plane. The time for the scanning unit to scan one screen changes according to the mode transition.

  The imaging apparatus also includes a timing signal generation circuit 106 that generates signals for operating the imaging element 103, the CDS circuit 104, and the A / D converter 105. The image pickup apparatus also includes an optical system 101, a mechanical shutter 102, and a drive circuit 107 for the image sensor 103.

  The imaging apparatus also includes a signal processing circuit 108 that performs signal processing necessary for captured image data, an image memory 109 that stores the signal processed image data, and an image recording medium 110 that is removable from the imaging apparatus.

  The imaging apparatus also includes a recording circuit 111 that records signal-processed image data on the image recording medium 110, an image display device 112 that displays the signal-processed image data, and a display circuit that displays an image on the image display device 112. 113.

  The imaging apparatus also includes a system control unit 114 that controls the entire imaging apparatus. The system control unit 114 functions as a control unit that controls mode transition of the image sensor 103.

  The imaging apparatus stores a program describing a control method executed by the system control unit 114, control data such as parameters and tables used when executing the program, and correction data such as a scratch address. A non-volatile memory (ROM) 115 is provided.

  In addition, the imaging apparatus transfers and stores the program, control data, and correction data stored in the nonvolatile memory 115, and the volatile memory (RAM) used when the system control unit 114 controls the imaging apparatus. ) 116.

  Hereinafter, a photographing (imaging) operation by the imaging apparatus configured as described above will be described.

  Prior to the shooting operation, when the operation of the system control unit 114 is started, such as when the imaging apparatus is turned on, necessary programs, control data, and correction data are transferred from the nonvolatile memory 115 to the volatile memory 116 and stored therein. Shall.

  These programs and data are used when the system control unit 114 controls the imaging apparatus, and additional programs and data are transferred from the nonvolatile memory 115 to the volatile memory 116 as necessary. Further, it is assumed that the system control unit 114 directly reads and uses data in the nonvolatile memory 115.

  First, the optical system 101 drives a diaphragm and a lens according to a control signal from the system control unit 114 to form a subject image set to an appropriate brightness on the image sensor 103.

  Next, the image sensor 103 is driven by a drive pulse based on an operation pulse generated by the timing signal generation circuit 106 controlled by the system control unit 114, and the subject image is converted into an electrical signal by photoelectric conversion. Output as an image signal.

  At this time, when the image sensor 103 has an electronic shutter function, the exposure time may be secured by the control signal from the system control unit 114 so that the required exposure time is obtained.

  The analog image signal output from the image sensor 103 is subjected to an operation pulse generated by the timing signal generation circuit 106 to remove clock synchronization noise by the CDS circuit 104 and converted to a digital image signal by the A / D converter 105. The

  Next, the signal processing circuit 108 controlled by the system control unit 114 performs image processing such as color conversion, white balance, and gamma correction, resolution conversion processing, and image compression processing on the digital image signal.

  Further, the signal processing circuit 108 calculates an evaluation value such as motion information necessary for controlling the video camera from the digital image signal and passes it to the system control unit 114. For example, by controlling the optical system 101 from the system control unit 114 to the optical system 101 according to the motion information, it is possible to perform shooting with reduced influence due to the motion of the video camera.

  The image memory 109 is used for temporarily storing a digital image signal during signal processing and for storing image data that is a digital image signal subjected to signal processing.

  The image data signal-processed by the signal processing circuit 108 and the image data stored in the image memory 109 are converted into data suitable for the image recording medium 110 (for example, file system data having a hierarchical structure) by the recording circuit 111. It is recorded on the image recording medium 110.

  Alternatively, the image data is subjected to resolution conversion processing in the signal processing circuit 108 and then converted into a signal suitable for the image display device 112 (for example, an NTSC analog signal or the like) in the display circuit 113. It is displayed on the image display device 112.

  Here, the signal processing circuit 108 may output the digital image signal as it is as image data to the image memory 109 or the recording circuit 111 without performing signal processing by the control signal from the system control unit 114.

  Further, when requested by the system control unit 114, the signal processing circuit 108 outputs information on digital image signals and image data generated in the signal processing process to the system control unit 114. The image data information is, for example, information such as the spatial frequency of the image, the average value of the designated area, the data amount of the compressed image, or information extracted from them.

  The recording circuit 111 outputs information such as the type and free capacity of the image recording medium 110 to the system control unit 114 when requested by the system control unit 114.

  Further, a reproduction operation when image data is recorded on the image recording medium 110 will be described.

  In response to a control signal from the system control unit 114, the recording circuit 111 reads image data from the image recording medium 110, and in response to a control signal from the system control unit 114, the signal processing circuit 108 causes the image data to be a compressed image. First, image expansion processing is performed.

  Then, the system control unit 114 stores the read image data and the decompressed image data in the image memory 109. The image data stored in the image memory 109 is subjected to resolution conversion processing by the signal processing circuit 108, converted to a signal suitable for the image display device 112 by the display circuit 113, and displayed on the image display device 112. The

  The GPS device 117 receives information from a plurality of GPS satellites from the antenna, measures the distance, and obtains location information of the reception location and time information of the reception time. The obtained position information and time information are calculated using the position information and time information acquired in the past by the system control unit 114 to calculate distance information and time information. The system control unit 114 calculates the speed from the calculated distance information and time information, and controls the display circuit 113 based on the calculated speed information.

  The display circuit 113 is controlled using speed information calculated by the system control unit 114 based on a plurality of position information and time information obtained from the GPS device 117. FIG. 2 shows a display example of speed information. The image display device 201 reproduces and displays images A202 and B203 captured by the imaging device. Position information and time information from the GPS are acquired when the image A is captured, and similarly, position information and time information when the image B is captured are acquired. By calculating the imaging time difference and distance between the images A and B from the position information and time information associated with the images A and B, and displaying the speed information obtained as a result on the display device 201 as the speed display icon 204. When the image is reproduced after the user has taken a plurality of images, it is possible to easily perceive the shooting situation and the moving speed.

  A voice output circuit (not shown) is controlled using speed information calculated by the system control unit 114 based on a plurality of position information and time information obtained from the GPS device 117. The speed display icon 204 as shown in the display example of FIG. 2 is displayed on the display device 201 and the voice information of the speed information is output from a voice output device (not shown), thereby visually and audibly. It becomes possible to make it easy to perceive the moving speed sensuously. It is also possible to provide speed information to the user by displaying the speed information without displaying the speed display icon.

  Map data is stored in a non-volatile memory (ROM) 115 or a volatile memory (RAM) 116, and characteristic transportation facilities in the vicinity where the user is located from position information obtained from the GPS device 117, such as an airfield or a station It is also possible to analogize places such as interchanges on expressways and display icons on the display device 112 in association with distance information obtained from position information and time information and speed information calculated from time information. A display example is shown in FIG.

  In FIG. 3, an image display device 301 reproduces and displays an image A 302 and an image B 303 captured by the imaging device. When the system control unit 114 determines that the image A302 is an image captured at the airport X, the image B303 is an image captured at the airport Y, and is captured around the airport from the map data, the image A302 By displaying the icon 304 together with the image B303 on the display device 112, it is possible to make it easy to perceive the shooting situation and the moving speed when the user reproduces an image after performing a plurality of images. Become.

  The display circuit 113 is controlled using speed information calculated by the system control unit 114 based on a plurality of position information and time information obtained from the GPS device 117. FIG. 4 shows a display example of speed information. At the time of continuous reproduction of a plurality of photographed images such as a slide show display, an image indicating speed information is inserted and displayed when switching the display of the photographed images. In FIG. 4, when the display of the image A 401 and the image B 403 is switched, the speed information display icon 402 indicating the speed display is inserted and displayed so that the user can change the shooting location and the shooting location when the shooting scene is switched during playback. It is possible to make the movement speed easy to perceive when changed.

Configuration diagram of the present invention Speed information display example 1 Speed information display example 2 Display example during slideshow

Explanation of symbols

DESCRIPTION OF SYMBOLS 101 Optical system 102 Mechanical shutter 103 Image pick-up element 104 CDS circuit 105 A / D converter 106 Timing signal generation circuit 107 Drive circuit 108 Signal processing circuit 109 Image memory 110 Image recording medium 111 Recording circuit 112 Image display apparatus 113 Display circuit 114 System control Part 115 ROM
116 RAM
117 GPS device 201 Image display device 202 Image A
203 Image B
204 Speed display icon 301 Image display device 302 Image A
303 Image B
304 Icon 401 Image A
402 Speed information display icon 403 Image B

Claims (5)

Imaging means capable of capturing still images and moving images;
Display means for displaying a photographed image captured by the imaging means;
Time information detecting means for detecting time information by the imaging means;
Position information detecting means for detecting position information by the imaging means;
Time difference calculating means for calculating a time difference from a plurality of time information detected by the time information detecting means;
Distance calculating means for calculating a distance from a plurality of pieces of position information detected by the position information detecting means;
Speed calculating means for calculating a speed from the time calculating means and the distance calculating means;
An image pickup apparatus comprising display control means for controlling the display means based on speed information calculated by the speed calculation means. The imaging apparatus according to claim 1, wherein audio output means for outputting audio;
An image pickup apparatus comprising voice control means for controlling the voice output means based on speed information calculated by the speed calculation means. In the imaging device according to claim 1 or 2,
An imaging apparatus, wherein the time information detection means and the position information detection means perform detection processing in conjunction with imaging.   3. The imaging apparatus according to claim 1, wherein the time information detection unit and the position information detection unit perform detection processing in conjunction with arbitrary processing regardless of shooting. In the imaging device according to any one of claims 1 to 4, map information reading means for reading map information;
An image pickup apparatus, wherein the display means is controlled based on position information detected by the position information detecting means.

Images