JPH10126605A - Projector supporting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To display a picture to be displayed at the full angle of view even if it is in a vertical or lateral direction by designating a start picture element position and a read order at the time of reading data stored in a picture frame memory. SOLUTION: When picture data is vertically or laterally converted or when upper/lower parts or the front/back are corrected, a read address setting unit 9 designates the start picture element position and the read order at the time of reading data stored in an original picture frame memory 6 by data from a vertical/lateral part setting unit 4 or an upper/lower part and front/back setting unit 5 if a user designates it by a switch. A display frame memory 7 sequentially stores data which are read in the designated order from the original picture frame memory 6. Original picture data is read in the scanning direction of an upper direction from the lower left from the original picture frame memory 6, for example, and they are sequentially written into the display frame memory 7. The vertical/lateral directions of display data are converted from original picture data.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a projector support apparatus for displaying, by a projector, image data obtained by converting image information of a slide film or the like into an electric signal.

[0002]

2. Description of the Related Art When image information on a slide film or the like is converted into an electric signal and displayed by a projector, an image captured by a device for converting the electric signal into an electric signal has been displayed as it is.

[0003]

As shown in FIG. 2, many pieces of image information such as slide films and documents are mixed vertically and horizontally. However, since the vertical / horizontal screen ratio of the device for converting to electrical signals is fixed, the lens magnification for capturing all horizontal images and the lens magnification for reading all vertical images are different. 3), when the images are displayed on the projector in the vertical and horizontal directions, the images are displayed in different sizes as shown in FIGS. For this reason, in the case of a vertical image, it is necessary to make the character larger than that of the horizontal image. In addition, when an image is taken in wrongly upside down, or when the front and back are mistaken (in the case of a slide film), the orientation of the subject and the front and back must be restored to the normal direction, and the image must be taken in again.

[0004]

According to a first aspect of the present invention, there is provided a projector support apparatus, comprising: an image input unit for inputting an image; and an original image storage for storing the image as an original image. Means, a vertical / horizontal conversion instruction means for instructing a vertical / horizontal position conversion of the image, and a vertical / horizontal direction for converting the original image stored in the original image storage means into a vertical / horizontal direction based on the vertical / horizontal conversion instruction means. A conversion unit, a display image storage unit for storing the processed image converted by the vertical / horizontal direction conversion unit, and an image output unit for outputting the processed image to the projector from the display image storage unit.

According to a second aspect of the present invention, in the first aspect,
The number of vertical and horizontal pixels of the original image storage unit is equal to or greater than the number of long side pixels of the original image, and the number of vertical and horizontal pixels of the display image storage unit is equal to or greater than the number of long side pixels of the processed image. The configuration is characterized in that: According to a third aspect of the present invention, in the second aspect, an external control device is connected to the aspect conversion instruction means.

According to a fourth aspect of the present invention, there is provided an image input means for inputting an image, an original image storing means for storing the image as an original image, an up / down conversion instructing means for instructing a vertical position conversion of the image, An up-down direction conversion unit for converting the original image stored in the original image storage unit into an up-down direction based on the up-down conversion instruction unit, and a display image storage for storing the processed image converted by the up-down direction conversion unit Means,
An image output means for outputting the processed image to the projector from the display image storage means is provided.

According to a fifth aspect of the present invention, there is provided an image input means for inputting an image, an original image storing means for storing the image as an original image, a front-to-back conversion instruction means for instructing a conversion of a front-back position of the image, The front and back conversion means for converting the front and back of the original image stored in the original image storage means based on the front and back conversion instruction means, and a display image storage means for storing the processed image converted by the front and back conversion means, An image output means for outputting the processed image to the projector from the display image storage means is provided.

According to a sixth aspect of the present invention, there is provided image input means for inputting an image, original image storage means for storing the image as an original image, and vertical and horizontal conversion instruction means for instructing vertical and horizontal position conversion of the image. Up / down conversion instructing means for instructing conversion of the vertical position of the image, front / back conversion instructing means for instructing conversion of the front / back position of the image, and the vertical / horizontal conversion instructing means,
Composite direction conversion instructing means combining up-down conversion instructing means and front-to-front conversion instructing means, and compound direction converting means for changing the direction of an image based on the composite direction converting instructing means for the original image stored in the original image storing means A display image storage unit for storing the processed image converted by the composite direction conversion unit; and an image output unit for outputting the processed image to the projector from the display image storage unit.

[0009]

Embodiments of the present invention will be described below. FIG. 1 is a diagram illustrating a configuration of a projector support device according to an embodiment of the present invention. In FIG. 1, a projector support device (14) processes image data captured by an image input device (1) and outputs the processed image data to a multi-sync compatible projector (11). Multi-sync compatible means that the synchronization frequency (horizontal scanning frequency, vertical scanning frequency) of the TV signal is
It refers to having a function that can display any numerical value within a certain range.

The image input device (1) converts a subject image such as a slide film into an electric signal, and outputs the captured image data as digital data (12) or analog data (13). The projector support device (14) includes a digital interface (2) corresponding to each data signal and an analog / digital (A / D) conversion unit according to the digital or analog output specification of the image input device (1). And an analog interface (3) incorporating the same. The digital data (12) passes through the digital interface (2) and is stored in the original image frame memory (6) by the image input device (1).
Input the image data input as it is. The analog data (13) (video signal) passes through the analog interface (3), converts the video signal read by the image input device (1) into the original image frame memory (6), and inputs the digital signal.

The vertical / horizontal setting unit (4) is a unit for specifying vertical and horizontal correction of image data. When vertical / horizontal conversion is performed, a user specifies the vertical / horizontal conversion by using a switch. The up / down / front / back setting unit (5) is a unit for designating up / down or up / down correction of image data. When performing vertical / horizontal conversion, the user designates with a switch. Vertical / horizontal data for instructing vertical / horizontal correction from the vertical / horizontal setting unit (4), and top / bottom / front / back data for instructing vertical / front / back correction of an image from the vertical / front / back setting unit (5) are read address setting units (9). Is input to These data specify the starting pixel position and the reading order when reading the data stored in the original image frame memory (6).

The display frame memory (7) stores the data read from the original image frame memory in the specified order in that order. Synchronization signal creation unit (1
0) has a function of outputting the timing of extracting the data stored in the display frame memory (7) in accordance with the vertical and horizontal data from the vertical and horizontal setting unit (4). By inputting the timing to a D / A conversion unit (8), the data extracted from the display frame memory (7) is converted into an analog (video signal) at a timing adjusted in the vertical and horizontal directions.

The converted analog data (video signal)
Output to the multi-sync compatible projector (11). 5 to 16 show a function of changing the direction of image data read by the image input device (1) and outputting the converted data to the projector. FIGS. 5, 8, and 11 show how the image direction is converted. The original image data (15) recorded in the original image frame memory (6) becomes the image data (17) after the conversion operation. It is stored in the display frame memory (7). The display data (17) is displayed on the projector.

FIGS. 5 and 6 show an example in which an image created for the horizontal direction is read. In this case, the position of the address to be read is not changed, and the addresses are sequentially read from the head address of the original image frame memory (6). , Are written into the display frame memory (7). Therefore, as shown in FIG. 7, the order of the pixel data (18) stored in the original image frame memory (6) and the display frame memory (7) does not change. The numbers described in the pixel data (18) indicate pixel coordinates. For example, (2, 1) means pixels in the second column and first row.

The display data (17) stored in the display frame memory (7) is a synchronization signal of the read image.
(Not shown), the data is sequentially sent to the D / A conversion unit (8) one step after the head address, and is converted to analog data (video signal) (a well-known 2: 1 interlaced video signal). Is done. FIG. 8 is an example in which an image created for the vertical direction is read, and the original image data (15) is
As shown by the arrow in the left diagram of FIG. 9, the data is read from the original image frame memory (6) in the upper left scanning direction.

The read data is sequentially written in the display frame memory (7) in the direction indicated by the arrow in the right diagram of FIG. In FIG. 10, the written display data (17) and the original image data (15) correspond to the pixel data (1).
The length and width are converted as indicated by the numeral 8). The display data (17) is provided at the timing of the synchronization signal to be corrected in the vertical direction created by the synchronization signal creation unit (10).
The data is sequentially sent from the head address to the / A conversion unit (8) by the interlace method, and is converted into analog data (video signal).

FIG. 11 shows an example in which an image taken upside down is returned to a normal image. The original image data (15) is stored in the original image frame memory (6) as shown by an arrow in the left diagram of FIG. It is read in the scanning direction from the bottom left to the top left. The read data is sequentially written in the display frame memory (7) in the direction indicated by the arrow in the right diagram of FIG. The layout of the written display data (17) is as shown in the right diagram of FIG.

The display data (17) is sequentially sent from the head address to the D / A conversion unit (8) in accordance with the interlace method according to the synchronization signal (not shown) of the read image. Video signal).
FIG. 14 shows an example in which, in the case of a subject such as a slide film, an image that has been erroneously turned upside down is returned to a normal image.

The original image data (15) is read from the original image frame memory (6) in the scanning direction from upper right to lower left as indicated by the arrow in the left diagram of FIG. The read data is sequentially written in the display frame memory (7) in the direction indicated by the arrow in the right diagram of FIG. The layout of the written display data (17) is as shown in the right diagram of FIG.

The display data (17) is sent to the D / A conversion unit (8) in sequence from the head address in the interlaced manner in accordance with the synchronization signal (not shown) of the read image, and the analog data ( Video signal).
Although each of the embodiments has been described for a single case, for example, the present invention is also applicable to all combinations of vertical / horizontal conversion and front-to-back conversion, or up / down conversion. As an example, FIG. 17, FIG. 18, and FIG.
An example of a composite of horizontal to vertical and front to back is shown.

In the description so far, the transfer to the D / A conversion unit (8) has been all described in the interlace system, but a non-interlace system (known) can also be used. In this embodiment, the input to the vertical / horizontal setting unit (4) is made by a user's switch or the like. However, a method of connecting an external control device such as a personal computer to the vertical / horizontal setting unit (4) for control is also conceivable. For example, when continuously projecting a large number of slides mixed vertically and horizontally, all slides are aligned horizontally, and only the order of vertical slides is registered as data in the PC, and when used, It can be used for sending a direction correction command from a personal computer.

Finally, the requirement for displaying the mixed image in the vertical and horizontal directions at the same size in the vertical and horizontal directions will be described. In order that the size of the original image is not changed in the original image frame memory (6), both the subscripts m and n of the pixel 18 in FIG. 10 need to be equal to or larger than the number of pixels on the long side of the rectangular original image. The same can be said for the display image and the display frame memory (7). Both the original image frame memory (6) and the display frame memory (7) need only be m = n.

[0023]

According to the present invention, the image data can be effectively displayed regardless of whether the image displayed on the projector is vertical or horizontal.
It is possible to display the full angle of view of the projector. This solves the problem that even objects of the same size (for example, characters) on the display screen are displayed in different sizes vertically and horizontally. Further, even in the case of a vertical image, it is not necessary to make the character larger than that of the horizontal image.

Further, even when the slide film is set upside down or upside down, an image in a normal direction can be displayed by a simple operation, so that a prior check can be simplified. Also, vertical-horizontal, upper-lower,
Modification is possible even if the back and front are combined. By connecting an external control device such as a personal computer to the projector support device of the present invention, it is possible to automate the vertical / horizontal conversion.

[Brief description of the drawings]

FIG. 1 Overall configuration diagram

[Figure 2] Captured image (slide film)

FIG. 3 Display on the projector (horizontal position)

FIG. 4 Display on the projector (vertical position)

FIG. 5: Image transfer between frame memories (horizontal position)

FIG. 6 shows the order of writing between frame memories (horizontal position)

FIG. 7: Pixel data position conversion (horizontal position)

FIG. 8: Image transfer between frame memories (vertical position)

FIG. 9 shows the order of writing between frame memories (vertical position).

FIG. 10: Pixel data position conversion (vertical position)

FIG. 11 is an image movement between frame memories (vertical reversal position).

FIG. 12 shows the order of writing between frame memories (vertical inversion position).

FIG. 13: Pixel data position conversion (vertical inversion position)

FIG. 14: Image transfer between frame memories (front / reverse)

FIG. 15 shows the order of writing between frame memories (reversed position).

FIG. 16: Pixel data position conversion (front / back inversion position)

FIG. 17: Image transfer between frame memories (composite)

FIG. 18 shows the order of writing between frame memories (composite).

FIG. 19: Image transfer between frame memories (composite)

[Explanation of symbols]

 (1) Image input device (2) Digital interface (3) Analog interface (4) Vertical / horizontal setting unit (5) Top / bottom / front / back setting unit (6) Original image frame memory (7) Display frame memory (8) D / A Conversion unit (9) Read address setting unit (10) Synchronization signal creation unit (11) Multi-sync compatible projector (12) Digital data (13) Analog data (14) Projector support device (15) Original image data (16) For projector Displayed image information (17) Display data (18) Pixel data

Claims (6)

[Claims] 1. An image input unit for inputting an image, an original image storage unit for storing the image as an original image, a vertical and horizontal conversion instruction unit for instructing a vertical and horizontal conversion of the image, and the original image storage unit The original image stored in the vertical and horizontal conversion means for converting the vertical and horizontal direction of the image based on the vertical and horizontal conversion instructing means, a display image storage means for storing the processed image converted by the vertical and horizontal conversion means, A projector support apparatus, comprising: an image output unit that outputs the processed image to a projector from a display image storage unit. 2. The projector support apparatus according to claim 1, wherein the number of vertical and horizontal pixels of the original image storage means is:
A projector support device, wherein the number of pixels in the vertical and horizontal directions of the display image storage means is equal to or greater than the number of pixels on the long side of the original image, and the number of pixels in the vertical and horizontal directions is equal to or greater than the number of pixels on the long side of the processed image. 3. The projector support device according to claim 2, wherein an external control device is connected to the vertical / horizontal conversion instruction means. 4. An image input means for inputting an image, an original image storage means for storing the image as an original image, an up / down conversion instruction means for instructing a vertical position conversion of the image, and the original image storage means Vertical conversion means for converting the original image stored in the vertical direction of the image based on the vertical conversion instruction means; display image storage means for storing the processed image converted by the vertical conversion means; A projector support device, comprising: an image output unit that outputs the processed image to a projector from an image storage unit. 5. An image input unit for inputting an image, an original image storage unit for storing the image as an original image, a front-to-back conversion instruction unit for instructing a conversion of a front-back position of the image, and the original image storage unit The front and back conversion means for converting the front and back of the image based on the front and back conversion instruction means, the display image storage means for storing the processed image converted by the front and back conversion means, and the display image storage means A projector support apparatus further comprising an image output unit that outputs the processed image to a projector. 6. An image input means for inputting an image, an original image storage means for storing the image as an original image, a vertical / horizontal conversion instruction means for instructing a vertical / horizontal position conversion of the image, Up / down conversion instructing means for instructing position conversion, front / back conversion instructing means for instructing conversion of the front / back position of the image, and composite direction conversion combining the vertical / horizontal conversion instructing means, up / down conversion instructing means, and front / back conversion instructing means. Instructing means, composite direction converting means for converting the direction of the image based on the composite direction converting instruction means for the original image stored in the original image storing means, and storing the processed image converted by the composite direction converting means A projector support apparatus, comprising: a display image storage unit that performs processing; and an image output unit that outputs the processed image to the projector from the display image storage unit.