WO2013171891A1 - マーカーを表示する方法及び装置 - Google Patents
マーカーを表示する方法及び装置 Download PDFInfo
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- WO2013171891A1 WO2013171891A1 PCT/JP2012/062769 JP2012062769W WO2013171891A1 WO 2013171891 A1 WO2013171891 A1 WO 2013171891A1 JP 2012062769 W JP2012062769 W JP 2012062769W WO 2013171891 A1 WO2013171891 A1 WO 2013171891A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/02—Diagnosis, testing or measuring for television systems or their details for colour television signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
- H04N17/045—Self-contained testing apparatus
Definitions
- the present invention relates to a method and apparatus for displaying a marker in an image representing a video signal.
- waveform monitors and vector scopes are conventionally used to adjust camera gain and offset.
- a specific video for example, turf for a golf broadcast, a human face for a talk program, etc. taken with a camera is used as a reference for camera adjustment.
- Recent monitors related to video signals have the function of a vector scope in addition to the function of a waveform monitor.
- the vector display of the video signal can be performed.
- the picture display displays the captured image as it is, that is, the raster image in the form of a frame composed of horizontal lines
- the waveform display displays the magnitude of various signal components included in the video signal on the time axis.
- the two color difference signals (Cb and Cr) obtained from the video signal are drawn using the horizontal axis input and vertical axis input, respectively, and the locus of the tip of the vector formed by these color difference signals is displayed. Is displayed. Therefore, the image in the picture display and the image in the waveform display can correlate the positions in the different images roughly using the time of the video signal. However, the position of the image by vector display in the vector display image cannot be specified depending on the time of the video signal. As a result, even if different display images of the same one video signal are provided, it is not easy to accurately identify which part in one image corresponds to which part in another image. It may be difficult or difficult.
- the present invention provides a marker generation method and apparatus that facilitates finding corresponding positions between a plurality of images representing a video signal.
- the present invention provides a computer program related to the marker generation and a computer-readable storage medium.
- a marker display method includes a step of selecting a position in one image representing a video signal, and displaying a marker at a position corresponding to the selected position in another image representing a video signal. Including the steps of:
- a computer readable storage medium stores computer readable instructions for causing a computer to execute the marker display method.
- a computer program causes a computer to execute the marker display method.
- a marker display device is a selection circuit that selects a position in one image representing a video signal, and the one image is displayed on a display unit, and the video signal
- a marker generating circuit for generating a marker to be displayed at a position corresponding to the selected position in another image representing the marker, wherein the indicator displays the another image and a marker; ,including.
- FIG. 1 is a block diagram showing a video signal monitor according to an embodiment of the present invention.
- FIG. 2 is a front view showing a front panel of the monitor shown in FIG.
- FIG. 3 is a flowchart showing processing executed by a computer that implements the display control / additional image generation circuit of FIG. 1.
- FIG. 4 is a diagram showing a display example of a picture image including a cursor displayed on a monitor screen.
- FIG. 5 is a diagram showing a display example of a vector image including a marker displayed on a monitor screen.
- FIG. 6 is a diagram illustrating a display example of a waveform image including a marker displayed on a monitor screen.
- FIG. 7 is a diagram showing a display example of another waveform image including a marker displayed on the screen of the monitor.
- FIG. 8 is a diagram illustrating a display example of an image including a marker in a multi-screen mode displayed on a monitor screen.
- FIG. 9 is a diagram illustrating a configuration example of a monitor that displays markers on a plurality of monitors.
- FIG. 10 is a flowchart showing processing executed by a computer that implements the display control / additional image generation circuit of FIG. 1, and shows processing for displaying a target marker.
- 11 is a diagram showing a display example in which a target marker is added to the image in the multi-screen mode of FIG.
- FIG. 12 is a view showing a display example in which only a target marker is added to a vector image.
- FIG. 1 is a block diagram of a video signal monitor 100 according to an embodiment of the present invention.
- the monitor 100 includes a display 102, a key / encoder circuit 104, a serial-parallel converter 106, a picture image generation circuit 108, a vector image generation circuit 110, a waveform image generation circuit 112, and a conversion circuit 114.
- Display 102 and key / encoder circuit 104 act as a position selector for selecting the position of the marker to be generated according to one embodiment of the present invention.
- the serial-parallel converter 106, the image generation circuits 108, 110, and 112, and the conversion circuits 114 and 116 function as a video signal image generation unit that generates an image of a video signal that is a target for displaying a marker.
- the selected pixel extraction circuit 118, the display control / additional image generation circuit 120, and the drawing memory 122 display that performs display control of an image of a video signal related to marker display and generation of an additional image that is a marker. Acts as a control / additional image generator.
- the synthesizing circuit 124 functions as a synthesizing unit that synthesizes the marker with the image of the video signal to which the marker is to be added.
- the circuits 108, 110, 112, 114, 116, 118, and 124 are constituted by FPGAs.
- the display control / additional image generation circuit 120 is implemented by a computer and a program. Note that the various circuits of the monitor 100 of the present embodiment can be all realized by hardware, or can be realized by a combination of a computer and software.
- the display unit 102 receives the composite image signal from the composite circuit 124 and the image received at the input. Responsive to the signal, it has a screen 202 that displays an image at XGA resolution to the user.
- the key / encoder circuit 104 includes a key matrix 204 for operating the monitor 100 and an encoder knob 206.
- the key matrix 204 has function keys F-1 to F-5 and other keys PIC, WFM, VECT, MULTI, etc., as shown in the figure, and the encoder knob 206 operates a horizontal cursor and a vertical cursor. And a pair of knobs (F ⁇ D1, F ⁇ D2).
- PIC designates a picture display mode. When this mode is selected, a raster image composed of video signals is displayed as a “picture image”.
- the WFM key designates a waveform display mode, and when this mode is selected, an image showing temporal variations of components included in the video signal is displayed as a “waveform image”.
- the VECT key designates a vector display mode, and when this mode is selected, an image similar to that displayed on a conventional vector scope is displayed as a “vector image”.
- the values of the two color difference signals (Cb and Cr) obtained from the video signal are drawn using the horizontal axis input and the vertical axis input, respectively, and the locus of the tip of the vector constituted by these color difference signals is drawn.
- the MULTI key is a key for designating a multi-screen mode. When this mode is selected, the picture image, the waveform image, and the vector image are simultaneously displayed on one screen. When the multi-screen mode is not selected, the operation is performed in the single screen mode.
- the key / encoder circuit 104 generates a key matrix output indicating which key is pressed when receiving the above-described user operation input, and an encoder indicating the operation when the encoder knob 206 is operated. Generate output. The user can move the cursor on the image while viewing the image on the screen 202.
- the encoder may include, for example, a rotary encoder. In this case, the encoder detects a pulse of the rotary encoder output, and generates an encoder output obtained by updating data indicating the operation direction and the moving distance.
- the serial-parallel converter 106 included in the monitor 100 has an input for receiving a video signal from the camera, for example, an HD SDI signal (SMPTE274M standard).
- An HD SDI signal having a serial form is converted into a parallel form video signal having an HD SDI rate and generated at the output.
- SMPTE274M standard an HD SDI signal
- the present invention is not limited to other standards (eg, SD-SDI, 3G-SDI, HDMI, Display Port, etc.).
- the present invention can also be applied to video signals of video standards.
- the picture image generation circuit 108, the vector image generation circuit 110, and the waveform image generation circuit 112 receive an output from the serial-parallel converter 106, and a display control / additional image generation circuit 120 described in detail later.
- the display position / display size setting output is received respectively.
- the waveform image generation circuit 112 has an input for receiving a GBR conversion command from the display control / additional image generation circuit 120.
- the image generation circuits 108, 110, and 112 generate different types of images that represent the received video signal and that are in accordance with the received display position and display size settings.
- the picture image generation circuit 108 generates an active picture image obtained by removing the blanking period from the input parallel data, converts the generated picture image to XGA resolution in order to match the format of the display 102, The generated picture image after conversion is reduced in accordance with the set display size, the reduced image is shifted to the set display position, and the resulting XGA size picture image is output.
- the picture image generated in this way is included in the image shown in FIG.
- the image generation circuit 108 masks the picture image output, that is, does not generate a picture image in the output.
- the vector image generation circuit 110 removes the blanking period from the input parallel data, converts the generated picture image into a vector display coordinate system, rasterizes the vector image, and further matches the rasterized vector image to the display format. converting the resolution to XGA for, the vector image after conversion, reduced so that the set display size, is shifted to the reduced image is displayed on the set display position, as a result of Outputs an XGA vector image.
- the vector image generated in this way is included in the image shown in FIG. In the display mode that does not require a vector image, the image generation circuit 110 masks the vector image output.
- the waveform image generation circuit 112 receives Y (luminance) signal, color difference signals Cb and Cr (in the case of GBR display, G (green) signal, B (blue) signal) from input parallel data from the serial-parallel converter 106.
- R (red) signal) is converted into three waveforms, rasterized into one image, the resolution is converted to XGA to match the rasterized image to the display format, and the converted image is set.
- the display image is reduced to the display size, the reduced image is shifted to be displayed at the set display position, and the resulting XGA waveform image is output.
- the waveform image generated in this way is included in the image shown in FIG. 6 or FIG.
- the image generation circuit 112 masks the waveform image output. Note that the above-described picture image, waveform image, and vector image are included together in the image shown in FIG.
- the conversion circuit 114 has an input connected to the output of the picture image generation circuit 108, and performs frame rate conversion so that the received picture image has a frame rate so as to have an XGA rate. After the conversion, the converted XGA picture image is generated at the output.
- the conversion circuit 116 has an input connected to the output of the vector image generation circuit 110 and an input connected to the output of the waveform image generation circuit 112, and combines the vector image and the waveform image. In order to match the synthesized image to the display format, the frame rate is converted to the XGA rate, and the converted XGA vector / waveform synthesized image is generated at the output.
- the display control / additional image generating circuit 120 has an input connected to the output of the key / encoder circuit 104, from the key / encoder circuit polling The key matrix output and the encoder output are read, and the display mode is determined from the operated keys. Further, the display control / additional image generation circuit 120 calculates and outputs the sample number and line number of the input video from the output from the operated encoder based on the format of the input video signal. The initial position of the cursor in the picture display is set to a specific position in the picture image, and the current position of the cursor is determined based on the encoder output from this initial position.
- the input video signal has the format of HD SDI 1080i / 59.94
- the number of lines per frame is 1080 and the number of samples per line is 1920.
- the initial position of the cursor is sampled at line 1. It is the position of the number 1920.
- the selected pixel extraction circuit 118 has an input connected to the output of the serial-parallel converter 106 and an input connected to the output from the display control / additional image generation circuit 120.
- the sample number and line number are monitored, and the pixels of the input parallel data corresponding to the sample number and line number received from the display control / additional image generation circuit 120 are extracted and output.
- the selected pixel extraction circuit 118 detects the luminance value Y and the color difference values Cb and Cr of the extracted pixel, updates the values, and outputs them together with the extracted pixel data.
- the display control / additional image generation circuit 120 having an input for receiving the extracted pixel data acquires the luminance value Y and the color difference values Cb and Cr from the extracted pixel data.
- the display control / additional image generation circuit 120 sets the display size and position of the picture image, vector image, and waveform image according to the determined display mode. That is, in the single screen mode in which only one image is displayed on the screen, the display size and position of only the designated image among the picture image, vector image, and waveform image are displayed as shown in FIGS. In the multi-screen mode, the display size and position of each of the picture image, vector image, and waveform image are set to display as shown in FIG. 8, for example. Further, the display control / additional image generation circuit 120 generates a GBR conversion command when GBR display is designated in association with the waveform display mode. These settings and commands are used in the image generation circuits 108, 110, and 112 as described above.
- the display control / additional image generation circuit 120 performs a predetermined calculation process from the extracted pixel data. That is, for addition to each image, an image of the cursor to be added to the picture image is generated, and the G value, B value or R value to be added to the picture image is calculated from the extracted pixel data. Note that a Y (luminance) value can be selected as the value added to the picture image.
- the display position of the cursor image is determined according to the sample number, the line number, and the display mode.
- the display position of the marker and scale to be added to the waveform image is calculated according to the extracted pixel data and the display mode, and the marker image to be added to the waveform image is generated.
- the Cb% value, Cr% value, saturation% value (d), and hue angle (deg) added to the vector image are calculated from the extracted pixel data, and the display position of the marker and scale added to the vector image is displayed. And an image of a marker to be added to the vector image is generated.
- the display control / additional image generation circuit 120 performs processing for drawing in the drawing memory 122. That is, in the case of a picture image, the G value, B value, R value, or luminance value Y (in the example of FIG. To do.
- a marker and a scale image added to the waveform image are output to the drawing memory 122.
- images for three images of a picture image, a vector image, and a waveform image are combined in the drawing memory 122.
- Drawing memory 122 has an input for receiving the output of the street or from the display control / additional image generating circuit 120, and received and stored the rendered data in accordance with the input, XGA graphic image (number from the drawing data , Marker, cursor, and scale) at the XGA rate of the display 102.
- the synthesis circuit 124 has inputs connected to the output of the conversion circuit 114, the output of the conversion circuit 116, and the output of the drawing memory 122, respectively.
- the composition circuit 124 selects a drawing image from the drawing memory 122, that is, a cursor to be added to the picture image, with respect to the picture image from the conversion circuit 114 when the picture display mode is selected. , G value, B value or R value image.
- the vector image is masked by the vector image generation circuit 110, and the waveform image is masked by the waveform image generation circuit 112.
- a drawing image from the drawing memory 122 that is, a marker to be added to the waveform image and a scale image are combined with the waveform image from the conversion circuit 116.
- the picture image is masked by the picture image generation circuit 108, and the waveform image is masked by the waveform image generation circuit 112.
- the vector display mode is selected, with respect to the vector image from the conversion circuit 116, the drawn image from the drawing memory 122, that is, the marker, scale, Cb% value, Cr% value, and saturation% to be added to the vector image.
- An image having a value (d) and a hue angle (deg) is synthesized.
- the picture image is masked by the picture image generation circuit 108, and the waveform image is masked by the waveform image generation circuit 112.
- the picture image, the vector image, and the waveform image are combined, and the above-described additional image to be added to the three images is combined with the combined image.
- the synthesis circuit 124 generates a synthesis result at the output.
- the display 102 having an input for receiving the output of the combining circuit 124 displays the received combined image to the user.
- step 300 a key detection task is executed, whereby the output from the key / encoder circuit 104 is polled to read the key matrix output and the encoder output.
- step 302 a key execution task is executed, thereby generating display mode data and line / sample numbers.
- Display mode data which of the single-screen mode or the multi-screen mode is selected, when the single-screen mode is selected, it shows picture display mode, the waveform display mode, which of the vector display mode is selected.
- the waveform display mode When the waveform display mode is selected, it indicates whether the GBR waveform display is selected.
- the generated line number / sample number is output to the selected pixel extraction circuit 118 to perform the above-described pixel extraction.
- a monitor task is executed, in which one or all of the tasks called “picture task”, “vector task”, and “waveform task” specified by the display mode data are executed. These tasks are related to the picture image display mode, vector image display mode, and waveform image display mode, respectively.
- a picture task is executed.
- the display position and size of the picture image on the monitor screen 202 are determined from the display mode data (ie, single screen mode or multi-screen mode). Is output to the picture image generation circuit 108.
- a position for displaying the cursor is determined from the extracted pixel data, and a cursor image is generated.
- the display position of the cursor is converted into a position on the XGA coordinates.
- This picture task determines the display position and size of the picture image 400 or 800 on the screen 202 as shown in FIGS. 4 and 8, and the horizontal and vertical cursors 402 and 404 or 802 in the picture image. And 804 are determined.
- FIG. 4 and 8 the display position and size of the picture image 400 or 800 on the screen 202 as shown in FIGS. 4 and 8, and the horizontal and vertical cursors 402 and 404 or 802 in the picture image. And 804 are determined.
- FIG. 4 shows the line number and sample number of the pixel P1 selected at the intersection of the cursor and, for example, the luminance value Y (percentage) of the pixel near the intersection of the cursor.
- Y luminance value
- up to three positions can be specified with the cursor, so the line numbers and sample numbers of the pixels P2 and P3 are also shown at the top, but these are outside the active picture, It is not displayed on the screen.
- data relating to the pixels P2 and P3 are not displayed, but can be displayed. Switching between the three position designations with the cursor can be performed using, for example, function keys.
- step 308 the vector task is executed.
- the display position and size of the vector image on the monitor screen 202 are determined from the display mode data in step 3080, and these determination results are output to the vector image generation circuit 110 in step 3082.
- step 3084 Cb% value, Cr% value, saturation% value (d), and hue angle (deg) to be added to the vector image are extracted from the Cb / Cr value received from the selected pixel extraction circuit 118. Calculate from the data.
- the display position of markers, scales, and numerical values to be added to the vector image is determined according to the display mode (ie, single screen mode or multi-screen mode), and a cross-shaped marker image, for example, is generated to be added to the vector image. To do.
- the marker display position is a position in vector coordinates for vector display (the horizontal axis is the Cb value and the vertical axis is the Cr value).
- the display positions of the markers, scales, and numerical values are converted into positions on the XGA coordinates.
- This vector task determines the display position and size of the vector image 500 or 810 on the screen 202, as shown in FIGS. 5 and 8, and also includes a marker 502 or 812, a scale 504 or 814, a numerical value 506 or The position of 816 is determined.
- step 310 the waveform task is executed.
- the display position and size of the waveform image on the monitor screen 202 are determined from the display mode data in step 3100, and these determination results are output to the waveform image generation circuit 112 in step 3102.
- a GBR conversion command is also output.
- step 3104 the display position of the marker and scale to be added to the waveform image is determined according to the display mode (that is, the single screen mode or the multi-screen mode), and is added to the waveform image.
- the marker display position is a position in waveform coordinates for waveform display (the horizontal axis is time and the vertical axis is the size of each component).
- the position on the horizontal axis is determined from the sample number, and the position on the vertical axis is determined by converting the Y value, Cb value, and Cr value received from the selected pixel extraction circuit 118 into% values.
- the waveform of each line is superimposed. However, only the designated line can be displayed without designating the waveform of all lines by specifying the line number or selected on the picture image. Only displayed lines can be displayed.
- the display positions of the marker and the scale are converted into positions on the XGA coordinates.
- This waveform task determines the display position and size of the waveform image 600 or 820 on the screen 202, as shown in FIGS. 6 and 8, and includes markers 602 to 606 or 822 to 826, scale 608 or 828.
- the waveform image shows a luminance (Y) waveform, a color difference (Cb) waveform, and a color difference (Cr) waveform.
- Y luminance
- Cb color difference
- Cr color difference
- the waveform image is shown in FIG.
- a green (G) waveform, a blue (B) waveform, and a red (R) waveform are displayed as a waveform image 700.
- markers 702 to 706 and a scale 708 are generated and displayed for each waveform.
- a drawing task is executed.
- images generated by the picture task, vector task, and waveform task are sent as drawing data to the drawing memory 122, and an image is formed in the drawing memory.
- the user designates a position using a cursor in an image in the picture display mode, so that a marker can be included in another vector image or waveform image. Can be displayed. Thereby, the user can easily find a position corresponding to the position in the same video signal in a plurality of different forms of images.
- the position can be selected based on the line number and the sample number, the corresponding position can be specified very accurately.
- the position selection is performed on the picture image, but it can also be performed on the waveform display.
- the position selection and the marker display are performed on the same monitor.
- the present invention is not limited to this, and can be performed on different monitors.
- FIG. 9 it is possible to select a position on a picture monitor and display a marker on a waveform monitor or a vector scope.
- data representing the selected position may be sent from the picture monitor to another monitor or the like.
- the entire circuit of FIG. 1 or a portion excluding the key / encoder circuit 104 may be provided in another monitor so as to receive position data from the picture monitor.
- This feature relates to the display of additional markers in addition to the aforementioned markers.
- This additional marker will be referred to as a “target marker” in the following description.
- This target marker can be displayed without displaying the marker.
- the processing shown in the flowchart of FIG. 10 is performed by the display control / additional image generation circuit 120 of FIG.
- the operation of the other circuit portions in FIG. 1 is substantially the same as that described with reference to FIG.
- a key detection task is executed, and key matrix output and encoder output are read out by polling.
- a key execution task is executed. In this task, it is detected that the target marker display is selected while the vector screen is displayed, and the position where the target marker is to be displayed is determined at that time. The user can select the position at which the target marker is displayed by moving the horizontal and vertical cursors. The initial position of the cursor when displaying the target marker is set at the center in the vector coordinates, and the cursor can be moved to an arbitrary position in the vector coordinates by operating the encoder.
- the vector task is executed.
- the display position of the target marker is determined from the display mode (single screen mode or multi-screen mode), the display position and display size of the vector image.
- the display position of the target marker is a position in vector coordinates for performing vector display.
- numerical values of Cb and Cr% value, saturation% value (d), and hue angle (deg) at this position are calculated.
- the display position of the target marker is converted into a position on the XGA coordinates.
- a drawing task is executed, whereby the image of the target marker and the numerical value related thereto are output to the drawing memory 122 as drawing data.
- the drawing memory 122 Upon receiving this output, the drawing memory 122 forms an image to be added to the vector image. Even additional image described with respect to FIG. 1, is formed in the drawing memory 122 as necessary, thus combining circuit 124 which receives the output from the drawing memory 122, an image related to the target marker received, FIG. 5 Or it adds to the image of FIG.
- FIG. 11 shows a display example in which target markers are added to the image in the multi-screen mode of FIG.
- the target marker 1104 and its numerical value 1106 are included.
- the target marker can be displayed by designating an arbitrary position in the vector coordinates by the user.
- This target marker can be used in combination with the aforementioned marker.
- a plurality of cameras may be used to adjust the plurality of cameras by photographing the same subject.
- a video signal photographed by the first camera is received, the position in the picture image (corresponding to the position where the subject is located) is designated and the marker 1100 is displayed in the vector image by the configuration of FIG.
- the target marker 1104 is moved to the position of the marker 1100 and is kept displayed at that position.
- the monitor 100 is switched to receive the video signal from the second camera, and the corresponding position in the picture image at this time (the position of the subject) is designated, and the second image is displayed in the vector image. Display the marker.
- the second marker When the second marker is deviated from the target marker, it can indicate that the first and second cameras are out of adjustment. Further, since the numerical values of both the marker value and the target marker value are displayed, the user can know how much the value of which parameter is deviated. As described above, the use of the marker, the target marker, and their numerical display makes it possible to adjust the two cameras more easily and accurately than in the past.
- the description of the target marker related to FIG. 10 includes only the operation related to the generation of the target marker, and does not include the generation of the vector image as shown in FIG. 5 or FIG. Therefore, when the target marker 1200 (including the display of the target marker value 1202) is displayed alone as shown in FIG. 12, only the processing related to the generation of the vector image described in FIG.
- the shape of the marker is a cross shape, but this is only an example, and other shapes such as an X-shape and dots are also possible.
- the cursor is used for position selection, this is only an example, and any other pointer can be used.
- the position in the image may be selected directly using line numbers and sample numbers.
- up to three positions can be selected, but this is only an example, and more or fewer positions can be selected.
- a part of the circuit is implemented by a computer and a program.
- all the circuits of the monitor can be configured by hardware, and the circuit configured by hardware in the above embodiment can be configured by a computer and a program. It can also be modified to configure.
Abstract
Description
Claims (20)
- マーカーを表示する方法であって、
映像信号を表す1つの画像内の位置を選択するステップと、
映像信号を表す別の画像内において、選択された前記位置に対応する位置にマーカーを表示するステップと、
を含む方法。 - 請求項1記載の方法において、
前記1つの画像内の位置と前記別の画像内の位置とは、前記映像信号内の同じ位置に対応する、方法。 - 請求項1または2に記載の方法において、
前記1つの画像と前記別の画像とは、映像信号を互いに異なった形態で表示する、方法。 - 請求項1から3のいずれかに記載の方法において、
前記1つの画像は、ピクチャー表示モードで表示された前記映像信号の画像であり、
前記別の画像は、ベクトル表示モードまたは波形表示モードで表示された前記映像信号の画像である、方法。 - 請求項1から4のいずれかに記載の方法において、
前記選択するステップと前記表示するステップは、同じ1つのモニター、あるいは別々のモニターで実行する、方法。 - 請求項1から5のいずれかに記載の方法において、
前記選択するステップは、
前記1つの画像内の前記位置の選択を受けるステップであって、前記位置の選択はカーソルの使用によって選択される、ステップと、
選択された前記位置を表す位置データを発生するステップと、
を含み、
前記表示するステップは、前記位置データを受けて前記選択された位置に対応する位置を求めるステップを含む、
方法。 - 請求項1から6のいずれかに記載の方法において、
前記1つの画像は、ピクチャー表示モードで表示された前記映像信号の画像であり、
前記別の画像は、ベクトル表示モードで表示された前記映像信号の画像であり、
前記方法は、さらに、
前記別の画像が表示されるベクトル表示座標内の位置を選択して該位置に追加のマーカーを表示するステップを含み、
前記追加のマーカーは、前記別の画像が表示される前記ベクトル表示座標内においてユーザーが選択した位置を示す、
方法。 - 請求項7に記載の方法において、
前記方法は、
前記追加のマーカーを、第1の前記映像信号に関し表示された前記別の画像内の第1の前記マーカーの位置に配置するステップであって、これにより第2の前記映像信号に関し表示される前記別の画像内の第2の前記マーカーとの位置関係を示す、ステップ、
を含み、前記第2の映像信号を表す前記1つの画像内の前記第2のマーカーが示す前記選択された位置の画像部分は、前記第1の映像信号を表す前記1つの画像内の前記第1のマーカーが示す前記選択された位置の画像部分に対応する、方法。 - 請求項7または8に記載の方法において、
前記追加のマーカーを表示するステップは、さらに、前記追加のマーカーに関連した数値を表示するステップを含み、前記追加のマーカーに関連した数値は、前記別の画像が表示されるベクトル表示座標内の位置を示し、
前記マーカーを表示するステップは、さらに、前記マーカーに関連した数値を表示するステップを含み、前記マーカーに関連した数値は、前記別の画像が表示される前記ベクトル表示座標内の位置を示す、方法。 - 請求項1から9のいずれかに記載の方法をコンピュータに実行させるためのコンピュータ読み取り可能命令を格納したコンピュータ読み取り可能記憶媒体。
- 請求項1から9のいずれかに記載の方法をコンピュータに実行させるためのコンピュータ・プログラム。
- マーカーを表示する装置であって、
映像信号を表す1つの画像内の位置を選択する選択回路であって、前記1つの画像は表示器に表示される、選択回路と、
映像信号を表す別の画像内において、選択された前記位置に対応する位置に表示するマーカーを生成するマーカー生成回路であって、前記表示器が、前記別の画像とマーカーを表示する、マーカー生成回路と、
を含むマーカー表示装置。 - 請求項12記載のマーカー表示装置において、
前記選択回路と前記マーカー生成回路は、同じ1つのモニター、あるいは別々のモニターに設けられた、マーカー表示装置。 - 請求項12または13に記載のマーカー表示装置において、
前記選択回路は、
前記1つの画像内の前記位置の選択を受ける入力回路と、
選択された前記位置を表す位置データを生成する生成回路と、
を含み、
前記マーカー生成回路は、
前記位置データを受けて前記選択された位置に対応する位置を決定する位置決定回路と、
前記選択された位置に対応する位置に配置されたマーカーを表す画像を生成するマーカー画像生成回路と、
を含む、マーカー表示装置。 - 請求項12から14のいずれかに記載のマーカー表示装置において、
前記1つの画像内の位置と前記別の画像内の位置とは、前記映像信号内の同じ位置に対応する、方法。 - 請求項12から15のいずれかに記載のマーカー表示装置において、
前記1つの画像と前記別の画像とは、映像信号を互いに異なった形態で表示する、マーカー表示装置。 - 請求項12から16のいずれかに記載のマーカー表示装置において、
前記1つの画像は、ピクチャー表示モードで表示された前記映像信号の画像であり、
前記別の画像は、ベクトル表示モードまたは波形表示モードで表示された前記映像信号の画像である、マーカー表示装置。 - 請求項12から17のいずれかに記載のマーカー表示装置において、
前記1つの画像は、ピクチャー表示モードで表示された前記映像信号の画像であり、
前記別の画像は、ベクトル表示モードで表示された前記映像信号の画像であり、
前記マーカー表示装置は、さらに、
前記別の画像が表示されるベクトル表示座標内の位置を選択して該位置に追加のマーカーを表示する追加マーカー表示回路を含み、
前記追加のマーカーは、前記別の画像が表示される前記ベクトル表示座標内においてユーザーが選択した位置を示す、
マーカー表示装置。 - 請求項18に記載のマーカー表示装置において、
前記追加マーカー表示回路は、
前記別の画像内の第2の位置を選択する選択回路であって、前記別の画像は前記表示器に表示される、選択回路と、
前記別の画像において、選択された前記第2の位置に表示する追加マーカーを生成する追加マーカー生成回路であって、前記表示器が、前記別の画像と、前記マーカーと、前記追加マーカーを表示する、追加マーカー生成回路と、
を含み、これにより、前記追加のマーカーを、第1の前記映像信号に関し表示された前記別の画像内の第1の前記マーカーの位置に配置し、これにより第2の前記映像信号に関し表示される前記別の画像内の第2の前記マーカーとの位置関係を示し、前記第2の映像信号を表す前記1つの画像内の前記第2のマーカーが示す前記選択された位置の画像部分は、前記第1の映像信号を表す前記1つの画像内の前記第1のマーカーが示す前記選択された位置の画像部分に対応する、マーカー表示装置。 - 請求項18または19に記載のマーカー表示装置において、
前記追加マーカー生成回路は、さらに、前記追加のマーカーに関連した数値を生成し、該追加のマーカーに関連した数値は、前記別の画像が表示されるベクトル表示座標内の位置を示し、前記表示器が前記追加のマーカーに関連した数値を表示し、
前記マーカー生成回路は、さらに、前記マーカーに関連した数値を生成し、該マーカーに関連した数値は、前記別の画像が表示されるベクトル表示座標内の位置を示し、前記表示器が前記マーカーに関連した数値を表示する、マーカー表示装置。
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