JPH06217323A - Picture display device - Google Patents

Abstract

PURPOSE:To obtain the picture display device in which a process of a serial change of an object making a series of operations is easily discriminated and observed in a short time. CONSTITUTION:A luminance of a reference picture signal and a luminance of an input picture signal received sequentially after the reference picture signal is set are compared with each other, and a picture luminance comparison extract device 7 extracts the input picture signal having the different luminance from the luminance of the reference picture signal. Then after the extracted input picture signal and the reference picture signal are synthesized by a picture synthesizer 8, the result is displayed on a screen by a picture display means 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image display device which synthesizes a plurality of image signals obtained by time-sharing a series of operations and displays them on one screen.

[0002]

2. Description of the Related Art FIG. 5 is a block diagram showing a conventional image display device. In the figure, 1 is an image input means such as a video camera, 2 is a VTR connected to the image input means 1, and 3 is an image display means such as a display monitor connected to the VTR 2.

Next, the operation of the conventional image display device configured as described above will be described. First, when a subject performing a series of operations, for example, a golfer's swing is viewed, the golfer's swing is photographed by the image input unit 1, and the VTR 2
Image recording means 3 after replaying after recording on a video tape etc.
The images are displayed on the screen, and the swing is viewed for each image to observe a series of changes.

[0004]

Since the conventional image display device is configured as described above, when observing a series change of a subject performing a series of operations, it is possible to compare while storing each image. Therefore, there is a problem that it is impossible to determine the process of the overall movement change, and it takes time because a large number of images are observed.

The present invention has been made in order to solve the above-mentioned problems, and it is possible to easily discriminate a process of a series of changes of a subject performing a series of operations, and an image display which can be observed in a short time. The purpose is to obtain the device.

[0006]

[Means for Solving the Problems] Claim 1 according to the present invention
The image display device described in (1) compares the reference image signal with the input image signals that are sequentially input after setting the reference image signal, and extracts an input image signal different from the reference image signal. The input image signal extracted by the comparison / extraction means is stored, and the input image signal stored is combined with the reference image signal, and the combined image is output to the image display means.

The image display device according to a second aspect of the present invention compares the luminances of the reference image signal and the input image signals sequentially input after setting the reference image signal, and compares the luminances of the reference image signal with each other. An image signal comparison and extraction unit for extracting an input image signal having a brightness different from the brightness is provided.

In the image display device according to a third aspect of the present invention, the reference image signal and the input image signals sequentially input after setting the reference image signal are the R, G and B primary color signals. And an image signal comparison / extraction means for extracting the input image signal having a color signal different from the color signal of the reference image signal by comparing the above.

According to a fourth aspect of the present invention, in the image display device, the reference image signal and the input image signals which are sequentially input after setting the reference image signal are the color signals of the three primary colors of R, G and B. An image signal comparison and extraction unit is provided for comparing the respective ratios and extracting the input image signal having a different color signal ratio from the color signal ratio of the reference image signal.

[0010]

According to the first aspect of the present invention, the image signal comparing and extracting means compares the reference image signal with the input image signals sequentially input after setting the reference image signal, and determines the input image signal different from the reference image signal. Extract.

The image signal comparison / extraction means according to claim 2 of the present invention compares the luminances of the reference image signal and the input image signals sequentially input after setting the reference image signal with each other, and compares the luminances with each other. An input image signal having a brightness different from that of the input image signal is extracted.

The image signal comparison / extraction means according to claim 3 of the present invention includes R, G, and B of the reference image signal and the input image signals sequentially input after setting the reference image signal.
The primary color signals are compared with each other to extract an input image signal having a color signal different from the color signal of the reference image signal.

Further, the image signal comparison / extraction means according to claim 4 of the present invention is 3 of R, G and B of the reference image signal and the input image signals sequentially inputted after setting the reference image signal.
The ratios of the color signals of the primary colors are compared with each other, and the input image signal having the ratio of the color signals different from the ratio of the color signals of the reference image signal is extracted.

[0014]

EXAMPLES Example 1. Embodiments of the present invention will be described below with reference to the drawings. 1 is a block diagram showing the configuration of an image display device according to a first embodiment of the present invention. In the figure,
The same parts as those of the conventional device are designated by the same reference numerals and the description thereof will be omitted. Reference numeral 4 is a reference image signal storage device connected to the image input means 1 for setting and storing a desired reference image signal.
Is a luminance signal conversion device connected to the reference image signal storage device 4 for converting the reference image signal into a reference luminance signal.

Reference numeral 6 is connected to the image inputting means 1 and is connected to the brightness signal converting device for converting the input image signal into the input brightness signal. Reference numeral 7 is connected to the brightness signal converting devices 5 and 6 respectively to input the reference brightness signal. An input luminance signal having a luminance different from that of the reference luminance signal is extracted by comparing with the luminance signal, and the extracted input luminance signal is used as the input image signal before conversion, and the reference luminance signal is also the reference before conversion. An image brightness comparison / extraction device for sending out an input image signal and a reference image signal together as an image signal, and 8 are connected to the image input means 1 and the image brightness comparison / extraction device 7, respectively. An image synthesizing device for synthesizing and reproducing each extracted input image signal and a reference image signal.

Next, Example 1 configured as described above
The operation of the image display device will be described. First, when a subject performing a series of motions as in the conventional case, for example, a golfer's swing is viewed, the golfer's swing is photographed by the image inputting means 1 and the input image signal is stored in the reference image signal storage device 4 and the brightness. It is sent to the signal conversion device 6. Next, the reference image signal storage device 4 sets and records a desired reference image signal from the input image signal, sends this reference image signal to the luminance signal conversion device 5, and the luminance signal conversion device 5 outputs the reference image signal. Image luminance comparison / extraction device 7 which converts into a reference luminance signal
Send to.

On the other hand, the brightness signal conversion device 6 converts each input image signal into an input brightness signal and sends it to the image brightness comparison and extraction device 7. Next, the image brightness comparison / extraction device 7 compares the reference brightness signal with each input brightness signal, extracts an input brightness signal having a brightness different from that of the reference brightness signal, and converts the extracted input brightness signal. Input image signal and the reference luminance signal before conversion, and the input image signal and the reference image signal are sent together to the image synthesizing device 8. Then, the image synthesizing device 8 synthesizes each input image signal corresponding to each of the extracted input luminance signals and the reference image signal, reproduces the synthesized image, and sends it to the image display means 3. Then, as shown in FIG. 2, the image display means 3 can synthesize and display a plurality of image signals obtained by time-sharing a series of operations, so that it is easy to discriminate a series change of the subject. Moreover, it can be observed in a short time.

Example 2. FIG. 3 is a block diagram showing the configuration of the image display device according to the second embodiment of the present invention. In the figure, the same parts as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. Reference numeral 9 is connected to the reference image signal storage device 4 and converts the reference image signal into a reference R color signal, a reference G color signal and a reference B color signal of the three primary colors of R, G and B respectively. The color signal conversion device is connected to the image input unit 1 and converts an input image signal into an input R color signal, an input G color signal, and an input B color signal of three primary colors of R, G, and B, respectively.

Reference numeral 11 is connected to the color signal conversion devices 9 and 10, respectively, and compares the reference R color signal with the input R color signal to extract an input R color signal having an R color signal different from the reference R color signal. An image R color signal comparison / extraction device 12 for performing the operation is connected to the color signal conversion devices 9 and 10, respectively, and compares the reference G color signal with the input G color signal to obtain a G color signal different from the reference G color signal. An image G color signal comparing / extracting device for extracting an input G color signal having 13 is connected to the color signal converting devices 9 and 10, respectively, and compares the reference B color signal with the input B color signal to obtain a reference. An image B color signal comparison / extraction device for extracting an input B color signal having a B color signal different from a B color signal.

Reference numeral 14 is connected to the image R color signal comparison / extraction device 11, the image G color signal comparison / extraction device 12 and the image B color signal extraction device 13, respectively, and the image R color signal comparison / extraction device 11 and the image G color signal comparison are performed. The input image signal before being converted into a color signal by taking the logical sum of the input R color signal, the input G color signal and the input B color signal respectively extracted by the extraction device 12 and the image B color signal comparison extraction device 13 State,
Further, by taking the logical sum of the reference R color signal, the reference G color signal and the reference B color signal, the state of the reference image signal before being converted into the color signal is obtained, and the input image signal and the reference image signal are sent together. An OR circuit 15, 15 is an image synthesizing device which is connected to the image input means 1 and the OR circuit 14, respectively, and synthesizes the respective input image signals obtained from the OR circuit 14 with the reference image signal and reproduces them.

Next, an embodiment 2 constructed as described above
The operation of the image display device will be described. First, when a subject performing a series of motions, for example, a golfer's swing is viewed as in the case of the first embodiment, the golfer's swing is photographed by the image inputting means 1 and the input image signal is stored as the reference image signal storage device 4. And to the color signal converter 10. next,
In the reference image signal storage device 4, a desired reference image signal is set and recorded from the input image signal, and this reference image signal is sent to the color signal conversion device 9, and in the color signal conversion device 9, R, G,
An image R color signal comparison / extraction device 11, an image G color signal comparison / extraction device 12, and an image B color signal comparison / extraction device are respectively converted into reference R color signals, reference G color signals, and reference B color signals of the three primary colors of B. 13 is sent.

On the other hand, in the color signal conversion device 10, each input image signal is converted into an input R color signal, an input G color signal and an input B color signal of the three primary colors of R, G and B, and the image R color is converted respectively. It is sent to the signal comparison and extraction device 11, the image G color signal comparison and extraction device 12 and the image B color signal comparison and extraction device 13. Next, the image R color signal comparison / extraction device 11 compares the reference R color signal with each input R color signal to extract an input R color signal having an R color signal different from the reference R color signal,
The image G color signal comparison / extraction device 12 compares the reference G color signal with each input G color signal to extract an input G color signal having a G color signal different from the reference G color signal. The B-color signal comparison / extraction device 13 compares the reference B-color signal with each input B-color signal to extract an input B-color signal having a B-color signal different from the reference B-color signal. It is sent to the OR circuit 14 together with the G color signal and the reference B color signal.

In the OR circuit 14, the input R color signal and the input G color signal extracted by the image R color signal comparison and extraction device 11, the image G color signal comparison and extraction device 12 and the image B color signal comparison and extraction device 13, respectively. By taking the logical sum of the color signal and the input B color signal, the state of the input image signal before conversion into the color signal is obtained, and the logical sum of the reference R color signal, the reference G color signal and the reference B color signal is taken. As a result, the state of the reference image signal before being converted into the color signal is set, and the input image signal and the reference image signal are sent together to the image synthesizing device 15. Then, the image synthesizing device 15 synthesizes each input image signal sent from the logical sum circuit 14 and the reference image signal, reproduces them, and sends them to the image display means 3. Then, as in the case of the first embodiment, the image display means 3 can synthesize and display a plurality of image signals obtained by time-sharing a series of operations, as shown in FIG. It has the same effect as 1.

Example 3. FIG. 4 is a block diagram showing the configuration of the image display device according to the third embodiment of the present invention. In the figure, the same parts as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. 16 is connected to the reference image signal storage device 4,
A color ratio signal conversion device for converting the reference image signal into the reference R / G signal and the reference B / G signal by taking the respective ratios of the three primary colors of R, G and B, and 17 is connected to the image input means 1 and the input image It is a color ratio signal conversion device for converting a signal into an input R / G signal and an input B / G signal of three primary colors of R, G, and B, respectively.

Reference numeral 18 is connected to the color ratio signal converters 16 and 17, respectively, and compares the reference R / G signal with the input R / G signal to input R having a different R / G signal from the reference R / G signal. An image R / G signal comparison / extraction device for extracting the A / G signal, and 19 are connected to the color ratio signal conversion devices 16 and 17, respectively, and compare the reference B / G signal with the input B / G signal to obtain a reference. An image B / G signal comparison / extraction device for extracting an input B / G signal having a B / G signal different from the B / G signal.

Reference numeral 20 is connected to an image R / G signal comparison / extraction device 18 and an image B / G signal comparison / extraction device 19, respectively, and is connected to the image R / G signal comparison / extraction device 18 and image B / G signal comparison / extraction device 19. Input R / G extracted respectively
The signal and the input B / G signal are logically ORed to obtain the state of the input image signal before being converted to the color ratio signal, and the logical color is obtained by ORing the reference R / G signal and the reference B / G signal. An OR circuit for setting the state of the reference image signal before conversion into a ratio signal and sending out the input image signal and the reference image signal together. Reference numeral 21 is connected to the image input means 1 and the OR circuit 20, respectively. This is an image synthesizing device for synthesizing each input image signal obtained from the circuit 20 and the reference image signal and then reproducing them.

Next, a third embodiment constructed as described above
The operation of the image display device will be described. First, when a subject performing a series of motions, for example, a golfer's swing is viewed as in the case of the first embodiment, the golfer's swing is photographed by the image inputting means 1 and the input image signal is stored as the reference image signal storage device 4. And to the color ratio signal conversion device 17. Next, in the reference image signal storage device 4, a desired reference image signal is set and recorded from the input image signal, this reference image signal is sent to the color ratio signal conversion device 16, and in the color ratio signal conversion device 16, R, Standard R / G by taking the ratio of each of the three primary colors G and B
The signal and the reference B / G signal are respectively converted and sent to the image R / G signal comparison / extraction device 18 and the image B / G signal comparison / extraction device 19, respectively.

On the other hand, in the color ratio signal converter 17, each input image signal is converted into an input R / G signal and an input B / G signal by taking ratios of the three primary colors of R, G and B, respectively.
Image R / G signal comparison and extraction device 18 and image B /
It is sent to the G signal comparison and extraction device 19. Next, image R / G
The signal comparison / extraction device 18 uses the reference R / G signal and each input R / G signal.
The input R / G signal having an R / G signal different from the reference R / G signal is extracted by comparing each of the G signals with each other, and the image B / G signal comparison / extraction device 19 compares the input R / G signal with each of the reference B / G signals. The input B / G signals are compared with each other to extract input B / G signals having B / G signals different from the reference B / G signals, and the OR circuit 20 together with the reference R / G signals and the reference B / G signals.
Send to.

In the OR circuit 20, the image R / G signal comparison / extraction device 18 and the image B / G signal comparison / extraction device 1 are connected.
Input R / G signal and input B extracted in 9 respectively
By taking the logical sum of the / G signals, the state of the input image signal before conversion into the color ratio signals is obtained, and by taking the logical sum of the reference R / G signals and the reference B / G signals, the color ratio signals are obtained. The input image signal and the reference image signal are sent to the image synthesizing device 21 together with the state of the reference image signal before being converted to. Then, the image synthesizing device 21 synthesizes each input image signal sent from the logical sum circuit 20 and the reference image signal, reproduces them, and sends them to the image display means 3.

Then, the image display means 3 displays the same as in the above-mentioned respective embodiments, and compares the reference R / G signal and the reference B / G signal with the input R / G signal and the input B / G signal, respectively. Since the input image signal having the luminance and the color signal different from the reference image signal can be extracted, when the luminance is constant and the color signal changes, when the color signal is constant and the luminance changes. It becomes applicable to both.

[0031]

As described above, according to the first aspect of the present invention, the reference image signal and the input image signals sequentially input after setting the reference image signal are compared with each other and different from the reference image signal. According to claim 2 of the present invention, the reference image signal and the luminance of the input image signal sequentially input after setting the reference image signal are compared with each other. Image signal comparison and extraction means for extracting an input image signal having a luminance different from that of the reference image signal, and according to claim 3 of the present invention, the reference image signal and the reference image signal are set and then sequentially. Image signal comparison and extraction for comparing input color signals of the three primary colors R, G, B with the input image signal and extracting an input image signal having a color signal different from the color signal of the reference image signal Comprising a stage, also claim 4 of the present invention
According to the above, the ratios of the color signals of the three primary colors R, G, and B of the reference image signal and the input image signal sequentially input after setting the reference image signal are compared with each other, and the color signal of the reference image signal is compared. Since an image signal comparison / extraction means for extracting an input image signal having a ratio different from the above is provided, it is possible to easily discriminate the process of the series change of the subject performing a series of operations and to observe in a short time. There is an effect that can be obtained.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an image display device according to a first embodiment of the present invention.

FIG. 2 is a diagram schematically showing a composite image displayed on an image display unit in FIG.

FIG. 3 is a block diagram showing a configuration of an image display device in Embodiment 3 of the present invention.

FIG. 4 is a block diagram showing a configuration of an image display device according to a fourth embodiment of the present invention.

FIG. 5 is a block diagram showing a configuration of a conventional image display device.

[Explanation of symbols]

1 Image Input Means 3 Image Display Means 4 Reference Image Signals 5 and 6 Luminance Signal Converter (Image Signal Comparison Extraction Means) 7 Image Brightness Comparison Extraction Means (Image Signal Comparison Extraction Means) 8, 15, 21 Image Synthesis Equipment 9, 10 Color signal conversion device (image signal comparison and extraction means) 11 Image R color signal comparison and extraction device (image signal comparison and extraction means) 12 Image G color signal comparison and extraction device (image signal comparison and extraction means) 13 Image B color signal comparison and extraction device ( Image signal comparison and extraction means) 14, 20 OR circuit (image signal comparison and extraction means) 16, 17 Color ratio signal conversion device (image signal comparison and extraction means) 18 Image R / G signal comparison and extraction device (image signal comparison and extraction means) 19 Image B / G signal comparison and extraction device (image signal comparison and extraction means)

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Makoto Koura 8-23 Asahimachi Nagasaki City Mitsubishi Electric Engineer Ring Co., Ltd. Nagasaki Plant (72) Toshiyuki Fujino 8-23 Asahimachi Nagasaki City Mitsubishi Electric Engineer Ring Nagasaki Plant Co., Ltd. (72) Inventor Tomoaki Uemura 8-23 Asahimachi, Nagasaki City Mitsubishi Electric Engineer Ring Co., Ltd. Nagasaki Plant (72) Inventor Koichiro Oshikawa 8-23 Asahimachi, Nagasaki Mitsubishi Electric Engineer Ring Co., Ltd. Company Nagasaki Office

Claims (4)

[Claims] 1. A reference image signal storage means for setting and storing a desired reference image signal from an input image signal input from an image input means, and the reference image signal and the reference image signal are set and then sequentially input. Image signal comparison / extraction means for extracting the input image signal different from the reference image signal by comparing the input image signals extracted by the image signal comparison / extraction means. In addition, the image display device is provided with an image synthesizing unit that synthesizes the stored input image signals and the stored reference image signal and outputs the synthesized image to the image display unit. 2. The image signal comparing / extracting means compares the brightnesses of a reference image signal and input image signals that are sequentially input after setting the reference image signal with each other, and determines that the brightness is different from the brightness of the reference image signal. The image display device according to claim 1, wherein the input image signal having brightness is extracted. 3. The image signal comparing and extracting means compares the respective color signals of the three primary colors of R, G and B of the reference image signal and the input image signal sequentially input after setting the reference image signal. 2. The image display device according to claim 1, wherein the input image signal having the color signal different from the color signal of the reference image signal is extracted. 4. The image signal comparing / extracting means compares the ratios of the color signals of the three primary colors of R, G, B between the reference image signal and the input image signal sequentially input after setting the reference image signal. The image display device according to claim 1, wherein the input image signal having a ratio of the color signals different from the ratio of the color signals of the reference image signal is extracted.