JPH0793524A - Picture processor - Google Patents

Abstract

PURPOSE:To accurately and quickly set art arithmetic expression at the time of inputting a window number and setting the arithmetic expression. CONSTITUTION:At the time of setting windows, the numbers of the respective set windows 21-23 and the order of the areas of the respective windows 21-23 are made to correspond and stored in a window memory. At the time of setting the arithmetic expression, a display screen A is switched to the display screen B and the numbers of the respective windows 21-23 and the order of the areas of the respective windows 21-23 are displayed in characters. An operator inputs the window number and performs an operation for setting the arithmetic expression while looking at the display.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image processing apparatus which measures a feature amount of an image obtained by picking up an object and executes object recognition, and in particular, the present invention relates to the feature amount. The present invention relates to an image processing apparatus provided with a function of setting a plurality of windows for measuring a number and a function of executing a predetermined calculation by using the feature amount obtained in the numbered windows.

[0002]

2. Description of the Related Art For example, when a plurality of objects are included in the field of view of a television camera, the images obtained by picking up these objects are binarized to generate a binary image, and the binary image is generated. There is a case where a desired number of windows are set, the feature amount such as the area is measured for the image region in each window, and then the average value or the like is calculated using the measurement value for each window. In this case, the operator needs to set an arithmetic expression for executing the above-mentioned arithmetic operation.
According to the procedure shown in FIG. 1, operations from setting the window to setting the arithmetic expression are performed.

When the object is now imaged and the image is displayed on the video monitor, the operator first selects the window setting function in step 1 and sets the window using the keyboard and mouse in steps 2 to 4 below. Perform the operation. First, in step 2, specify the window number,
In the next step 3, the shape of the window is specified, and in the next step 4, the position and size of the window are specified for the image on the screen.

When all windows are set by repeating the same procedure, the next step 5 becomes "YES", and the operator selects the arithmetic expression setting function in step 6. By this selection operation, the video monitor is switched to the display screen for setting the arithmetic expression, and the operator inputs the window number by a key to set the following arithmetic expression (step 7).

[0005]

[Equation 1]

In the above equation, W1 and W2 mean window numbers, and the window number is W by this arithmetic expression.
The average value of the areas of the image areas in the windows 1 and W2 is calculated.

[0007]

In the above procedure for setting the arithmetic expression, when the operator inputs the window number by key, the window number of the window to be operated (W1 and W2 in the above example) is stored. Although it is necessary, if a large number of windows are set, an error will occur in the setting of the arithmetic expression due to a memory error. If the window number of the window to be calculated is not stored, it is necessary to call the window setting contents from the memory and display it on the video monitor to confirm this.

The present invention has been made in view of the above-mentioned problem. By displaying each window number and information indicating the characteristics of the window in association with each other when setting the arithmetic expression,
It is an object of the present invention to provide an image processing device that can set an arithmetic expression properly and quickly.

[0009]

According to the present invention, a function for setting a plurality of windows for measuring a feature amount of an image and a predetermined calculation using the feature amount obtained in a window with a number designated are performed. In an image processing apparatus having a function of executing, storage means for storing the number of each window and the feature of each window in association with each other, and the number of each window and the feature of each window are represented by referring to the storage means. And a display means for displaying information in association with each other.

According to the second aspect of the present invention, the display means displays the information relating to the area of each window in characters as the information representing the characteristics of each window.

According to the third aspect of the invention, the display means displays the information relating to the shape of each window in characters as the information representing the characteristics of each window.

According to the fourth aspect of the present invention, the display means displays the information relating to the setting position of each window in characters as the information representing the characteristics of each window.

According to the fifth aspect of the invention, the display means displays the information relating to the setting order of each window in characters as the information representing the characteristics of each window.

According to the invention of claim 6, the display means graphically displays information relating to the shape of each window as information representing the characteristics of each window.

[0015]

[Function] Since the set window numbers and the characteristics of each window, such as the information indicating the area, shape, setting position, setting order, etc. of each window, are displayed in the form of characters or figures, the operator displays the display. It is possible to set the arithmetic expression properly and swiftly while watching.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the configuration of an image processing apparatus according to an embodiment of the present invention. In the image processing apparatus of the illustrated example,
The A / D converter 2 receives an analog grayscale image signal from the television camera 1, converts the analog grayscale image signal into a digital grayscale image signal, and outputs the digital grayscale image signal to the display control unit 8 and the binarization circuit 3.
The binarization circuit 3 inputs a digital grayscale image signal, binarizes it with a predetermined binarization threshold value, and stores the binary image in the image memory 5.

The measuring unit 4 measures the characteristic amount such as area and perimeter of the binary image, and the measurement result is CP.
It is taken in by U11. Window data for setting the measurement area of the binary image is written in the window memory 6, and an image of characters forming the operation menu or characters representing the features of each window described later is written in the character memory 7. Data is written.

The CPU 11 controls the operation of each component and executes predetermined arithmetic operations while reading and writing data from and in the RAM 13 in accordance with a program stored in the ROM 12. The input device 15 is a keyboard, a mouse, or the like, and a CP is supplied via the I / O interface 14.
It is connected to U11 and is used for window setting operation and arithmetic expression setting operation.

The display control unit 8 receives image data relating to an object or a window from the A / D converter 2, the binarization circuit 3 and the window memory 5, the image data of characters from the character memory 7, and the measuring unit. The measurement results are input from 4, and these are selected or combined to generate display data. The display data is converted into an analog signal by the D / A converter 9 and then output to the video monitor 10.

FIG. 2 shows a display screen A when setting a window and a display screen B when setting an arithmetic expression. 21 of display screen A
23 to 23 indicate windows set in steps 2 to 4 of FIG. 11 described above. The window 22 having the largest area has the window number W2, and the window 21 having the second largest area has the window number W1. , Window number W3 for the window 23 with the third largest area
Are set respectively.

At the time of setting this window, the table TB shown in FIG. 3 is generated by the CPU 11, and this table T
B is stored in the window memory 6. In the table TB in the figure, each window number and the feature of each window, that is, the rank of the area in this example, are stored in association with each other.

At the time of setting the arithmetic expression, the screen is switched to the display screen B of FIG. 2, and a display 24 for setting the arithmetic expression and a display 25 for referring to the window number appear on the screen. The window number reference display 25 is a character display in which the set window numbers are associated with the information representing the characteristics of each window, that is, the window area rank in this example.

The CPU 11 refers to the table TB, writes the characters constituting the displays 24 and 25 in the character memory 7, and outputs the characters to the display control unit 8.
When the operator operates the input device 15 while looking at this display to key in a desired window number, an arithmetic expression using the window number is assembled.

FIG. 4 shows an embodiment in which information relating to the shape of each window is displayed in characters as the information representing the characteristics of the window. Display screen A when setting the window
21 to 23 are steps 2 to 2 of FIG.
4, the window number W1 is set in the rectangular window 21, the window number W2 is set in the polygonal window 22, and the window number W3 is set in the square window 23. .

When the window is set, the table TB shown in FIG. 5 is generated. In the table TB shown in FIG. 5, each window number and each shape as a feature of each window are stored in association with each other. .

At the time of setting the arithmetic expression, the screen is switched to the display screen B shown in FIG. 4, and as the display 25 for referring to the window number,
The set number of each window and the shape of each window are displayed in characters.

FIG. 6 shows an embodiment in which information relating to the setting position of each window is displayed in characters as the information showing the characteristics of the window. In the display screen A at the time of setting the window, 21 to 23 indicate the windows set in the above steps 2 to 4 of FIG. 11, and the window number W2 is the second in the window 22 having the first raster order. Window number W in window 21
1 is the window number W3 in the third window 23
Are set respectively.

When the window is set, the table TB shown in FIG. 7 is generated. In the table TB shown in FIG. 7, each window number and the raster rank as a feature of each window are stored in association with each other.

At the time of setting the arithmetic expression, the screen is switched to the display screen B of FIG. 6, and the display 25 for referencing the window number is
The number of each set window and the position of each window on the screen are displayed in characters.

FIG. 8 shows an embodiment in which information relating to the setting order of each window is displayed in characters as information representing the characteristics of the window. In the display screen A at the time of setting the window, 21 to 23 indicate the windows set by the above steps 2 to 4 of FIG. 11, and the window number W1 is set to the first window 21 in the setting order.
However, the window number W2 is displayed in the second window 22.
However, the window number W3 is displayed in the third window 23.
Are set respectively.

When the window is set, the table TB shown in FIG. 9 is generated. In the table TB shown in FIG. 9, the window numbers and the setting order of the windows as the features of the windows are stored in association with each other. is there.

At the time of setting the arithmetic expression, the screen is switched to the display screen B of FIG. 8, and the display 25 for referencing the window number is
The set number of each window and the setting order of each window are displayed in characters.

FIG. 10 shows an embodiment in which information relating to the shape of each window is graphically displayed as information indicating the characteristics of the window. In the display screen A at the time of setting the window, 21 to 23 are Steps 2 in FIG.
4 shows the windows set by 4 to 4, and the window 22 having the largest area has the window number W2.
The window number W1 is set for the window 21 having the second largest area, and the window number W3 is set for the window 23 having the third largest area.

When setting this window, the window memory 6 stores each window number and each window 21-23.
Image data of is stored.

At the time of setting the arithmetic expression, the screen is switched to the display screen B of FIG. 10, and as the window number reference display 25, the figures 26 to 28 of each window are displayed together with the number of each set window.

In the above structure, when the object is imaged and the image is displayed on the video monitor 10, the operator operates the input device 15 to select the window setting function, and then operates the key of the input device 15 to operate the window. The position and size of the window are set by designating the number and the shape of the window and further operating the mouse to designate multiple points on the screen. By this setting operation, the window number and the characteristics of each window are stored in the window memory 6.

After the setting of all windows is completed, when the operator operates the input device 15 to select the arithmetic expression setting function, the video monitor 10 displays the window for setting the arithmetic expression on the display screen A for setting the arithmetic expression. The screen is switched to the display screen B, and the operator inputs the window number while confirming the display 25 for referring to the window number on the display screen B to set a desired arithmetic expression.

[0038]

As described above, according to the present invention, each window number is displayed in correspondence with the information indicating the characteristics of the window. Therefore, even if the number of window settings is large, the setting of the arithmetic expression is appropriate. And it can be done quickly.

According to the second aspect of the present invention, the information relating to the area of each window is displayed in characters as the information representing the characteristics of each window. And can be specified quickly.

According to the third aspect of the present invention, since the information relating to the shape of each window is displayed in characters as the information indicating the characteristics of each window, the shape is used as a clue and the number of the window to be calculated is appropriate. And can be specified quickly.

According to the fourth aspect of the present invention, since the information relating to the setting position of each window is displayed in characters as the information representing the characteristics of each window, the number of the window to be calculated with the setting position as a clue. Can be specified properly and quickly.

According to the fifth aspect of the present invention, the information relating to the setting order of each window is displayed in characters as the information indicating the characteristics of each window. Therefore, the number of the window to be operated is calculated based on the setting order. Can be specified properly and quickly.

According to the sixth aspect of the present invention, since the information relating to the shape of each window is displayed as a figure as the information representing the characteristic of each window, the shape and size of the window are used as clues to identify the window to be operated. The effect is that the number can be designated appropriately and quickly.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of an image processing apparatus according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a specific example of a display screen when setting a window and a display screen when setting an arithmetic expression.

FIG. 3 is an explanatory diagram showing table contents in the specific example of FIG. 2.

FIG. 4 is an explanatory diagram showing another specific example of a display screen when setting a window and a display screen when setting an arithmetic expression.

5 is an explanatory diagram showing table contents in the specific example of FIG. 4. FIG.

FIG. 6 is an explanatory diagram showing another specific example of a display screen when setting a window and a display screen when setting an arithmetic expression.

FIG. 7 is an explanatory diagram showing table contents in the specific example of FIG.

FIG. 8 is an explanatory diagram showing another specific example of a display screen when setting a window and a display screen when setting an arithmetic expression.

9 is an explanatory diagram showing table contents in the specific example of FIG. 8. FIG.

FIG. 10 is an explanatory diagram showing another specific example of a display screen when setting a window and a display screen when setting an arithmetic expression.

FIG. 11 is a flowchart showing an operation procedure from setting a window to setting an arithmetic expression.

[Explanation of symbols]

 1 TV camera 4 measurement unit 6 window memory 7 character memory 8 image display unit 11 CPU 10 video monitor

Claims (6)

[Claims] 1. An image having a function of setting a plurality of windows for measuring a feature amount of an image, and a function of executing a predetermined calculation using the feature amount obtained in a window whose number is designated. In the processing device, storage means for storing the number of each window and the feature of each window in association with each other, and displaying the number of each window and information representing the feature of each window in association with each other by referring to the storage means An image processing apparatus comprising a display means. 2. The image processing apparatus according to claim 1, wherein the display unit displays information relating to the area of each window in characters as information representing the characteristics of each window. 3. The image processing apparatus according to claim 1, wherein the display unit displays information relating to the shape of each window in characters as information representing the characteristics of each window. 4. The image processing apparatus according to claim 1, wherein the display unit displays information relating to a setting position of each window in characters as information representing a characteristic of each window. 5. The image processing apparatus according to claim 1, wherein the display unit displays information relating to a setting order of each window in characters as information representing a characteristic of each window. 6. The image processing apparatus according to claim 1, wherein the display unit graphically displays information relating to the shape of each window as information representing the characteristics of each window.