JP2006268811A - Image data display system, program and recording medium - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image data display system, capable of determining the propriety of data to be transferred itself in monitoring and analysis of a signal to be transferred on an interface connecting a plurality of pieces of equipment and modules. <P>SOLUTION: In this image data display system, when a signal to be transferred on the interface connecting a plurality of pieces of equipment and modules is monitored and analyzed, transfer data or image data itself in the signal to be transferred is graphically visualized. Otherwise, command data in the signal to be transferred is identified, data transfer end of each page data is determined based on the command data, and display is performed at the completion of transfer of all page data, whereby the transfer data or image data itself in the signal to be transferred is graphically visualized. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an image data display system, a program, and a recording medium. More specifically, the present invention relates to an image data display that monitors and analyzes signals transmitted over an interface connecting a plurality of devices / modules and displays the analysis results. About the system.

  2. Description of the Related Art Conventionally, there is a bus monitor device for monitoring and analyzing signals and data transmitted on an interface connecting a plurality of devices / modules. As such a bus monitor device, it corresponds to the oscilloscope that displays the electrical state of the signal line in an analog waveform, the logic analyzer that displays the logical state, the signal standard of specific physical I / F and the handshake of the signal line A data monitoring device (for example, an RS232 monitor) that monitors the data transferred in this way, or a protocol analyzer that interprets the time transition of the logical state as a specific state transition and displays the state transition and the data transferred by the state transition There is.

  Also in the conventional bus monitor device, not only the transmitted information is displayed as it is, but also various protocol analyzers that can perform command analysis at a higher protocol level and image data and commands from among transmitted signals. There are bus monitoring devices that separate and monitor data.

  In addition, the specific gravity of image data in the interface data targeted for bus monitoring has increased, the number of types has increased, the format has become more complex, and the relationship with command data has become more complex. In the bus monitor device, in order to grasp the relationship between the two, synchronous display is also performed in which image data and command data monitor results are sequentially displayed in association with each other.

For example, in Patent Document 1, in a bus monitor device for monitoring and analyzing a signal transmitted on an interface connecting a plurality of devices / modules, image data and command data are separated from the transmitted signals. By monitoring the image data and associating the image data with the command data, it is possible to automatically determine the format of the image data, and provide a user-friendly device.
JP 2003-216512 A

However, the conventional monitor apparatus focuses only on visualizing the corresponding physical I / F state change itself and the content of the data transferred (binary data). Therefore, the transferred data is only displayed as numerical data such as a bit string or a hexadecimal number, and the content of the data itself is only followed up with respect to an error in transfer.
Therefore, it is difficult to determine whether or not the transferred data itself is appropriate by using these monitor devices.

On the other hand, in an image device represented by an electrophotographic apparatus such as a laser printer and a digital copying machine, a video interface is often used for image data transfer inside the device. However, due to the increase in the data capacity of the video data, it takes time for display processing and the like, and high-speed display cannot be performed, resulting in a problem of reduced debugging efficiency.
Further, if the captured video data is stored as it is, the memory capacity is insufficient, and only a small number of pages can be stored, which hinders improvement in debugging efficiency.

  The present invention has been made in consideration of the above-mentioned actual situation, and when monitoring and analyzing a signal transmitted on an interface connecting a plurality of devices / modules, the transferred data itself is analyzed. An image data display system that can determine the appropriateness and that supports high-speed display of transmitted data and efficient data storage, a program for causing a computer to realize the functions of the image data display system, and a computer that records the program An object is to provide a possible recording medium.

In order to solve the above-mentioned problems, the invention according to claim 1 is directed to monitoring the transfer data itself in the transmitted signal when monitoring and analyzing the signal transmitted on the interface connecting a plurality of devices / modules. It is characterized by being visualized graphically.
The invention according to claim 2 is characterized in that in the image data display system according to claim 1, the image data in the transmitted signal is identified and the image data itself is visualized graphically. To do.
According to a third aspect of the present invention, in the image data display system according to the first or second aspect, the physical I / F unit and the protocol unit, and the I / F between the protocol unit and the other unit are unified, The / F part and the protocol part are made modular.
According to a fourth aspect of the present invention, in the image data display system according to the second aspect, the rear end processing of the transfer data is performed by using the synchronization signal of the image data as a data delimiter for each page of data, and the transfer of all page data is completed. It is characterized by displaying at the time.

The invention according to claim 5 is the image data display system according to claim 4, wherein the rear end processing of the transfer data is performed by using the attribute data synchronization signal as a data delimiter for each page of data, and all page data transfer is completed. It is characterized by displaying at the time.
The invention described in claim 6 is characterized in that, in the image data display system described in claim 5, page unit data for real-time display can be arbitrarily set.
According to a seventh aspect of the present invention, in the image data display system according to the fourth or fifth aspect, when the synchronization signal is not detected, it is determined that the data transfer for each page is completed by a time-out process. It is characterized by that.
According to an eighth aspect of the present invention, in the image data display system according to the seventh aspect, the timeout time is calculated based on transfer data being monitored.

According to the ninth aspect of the present invention, in an image data display system for monitoring and analyzing a signal transmitted on an interface connecting a plurality of devices / modules and displaying an analysis result, command data in the transmitted signal is displayed. And the end of data transfer of each page data is determined based on the command data, and display is performed when all page data transfer is completed.
According to a tenth aspect of the present invention, in the image data display system according to the ninth aspect, the transfer data is processed by determining the data delimiter in page units of the attribute data from the command data, and when the transfer of all pages data is completed. It is characterized in that the display is performed with.

According to an eleventh aspect of the present invention, in the image data display system according to the ninth or tenth aspect, the user is allowed to set a color plate to be stored in the image data and to select each color plate signal of the image data. It is characterized by that.
According to a twelfth aspect of the present invention, in the image data display system according to the eleventh aspect, the transfer order of each color plate data stored in the memory as the image data is set by the user, and the set order is followed. It is characterized in that image data is transferred.
According to a thirteenth aspect of the present invention, in the image data display system according to the eleventh aspect, the user sets a color plate to be transferred in the image data, and selects the transfer color plate according to the setting. It is characterized by that.
According to a fourteenth aspect of the present invention, in the image data display system according to any one of the ninth to thirteenth aspects, the accumulated color plate and its page information are displayed, and the user is allowed to select a composite color plate, The color plate data is read from the memory according to the selected color plate and page information, and the read color plate data is converted into data that can be displayed on the display device and displayed.

According to a fifteenth aspect of the present invention, in the image data display system according to any one of the first to fourteenth aspects, the image data transmitted from the plurality of devices / modules is reduced when the image data is displayed. The image is displayed at high speed.
According to a sixteenth aspect of the present invention, in the image data display system according to the fifteenth aspect, a reduction method of the image data can be selected.
According to a seventeenth aspect of the present invention, in the image data display system according to the sixteenth aspect, the reduction method is a thinning method.
According to an eighteenth aspect of the present invention, in the image data display system according to the sixteenth aspect, the reduction method is a method of reducing gradation.
According to a nineteenth aspect of the present invention, in the image data display system according to the fifteenth aspect, of the image data transmitted from the plurality of devices / modules, only the image data in the designated area for displaying a detailed image is cut out. It is characterized by high-speed display.

According to a twentieth aspect of the present invention, in the image data display system according to any one of the first to nineteenth aspects, the image data transmitted from the plurality of devices / modules is compressed and stored in an image memory. Features.
According to a twenty-first aspect of the present invention, in the image data display system according to the twentieth aspect, the image data to be compressed is reduced image data.
According to a twenty-second aspect of the present invention, in the image data display system according to the twentieth aspect, the image data to be compressed is a frame that requires detailed information among image data transmitted from the plurality of devices / modules. It is characterized by detailed information on all color plates or only some color plates.
The invention according to claim 23 is the image data display system according to claim 20, wherein the image data to be compressed is an image obtained by cutting out a designated area.
According to a twenty-fourth aspect of the present invention, in the image data display system according to any one of the twentieth to twenty-third aspects, a compression method of the image data can be specified.
According to a twenty-fifth aspect of the present invention, in the image data display system according to the twenty-fourth aspect, the compression method is a lossless compression method.
According to a twenty-sixth aspect of the present invention, in the image data display system according to the twenty-fourth aspect, the compression method is an irreversible compression method.

The invention described in claim 27 is a program for causing a computer to realize the function of the image data display system according to any one of claims 1 to 26.
The invention according to claim 28 is a recording medium readable by a computer, wherein the program according to claim 27 is recorded.

According to the present invention, when monitoring and analyzing a signal transmitted on an interface connecting a plurality of devices / modules, the appropriateness of the transferred data itself can be determined. It is effective for debugging, testing, and analyzing transfer protocols.
In addition, since the contents of the image data to be transferred can be freely set, the work associated with the target change is greatly reduced.

Further, since the processing speed can be increased by reducing the capacity of the image data to be displayed, it is possible to display the captured image of the latest page at a high speed and improve the debugging efficiency.
Further, since the data capacity of the image data to be stored can be reduced as necessary, a large amount of image data can be stored, and debugging efficiency is improved.

DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments according to an image data display system of the invention will be described with reference to the drawings.
FIG. 1 is a schematic diagram when an image data display system of the present invention is applied, and takes in image data and attribute data to be processed by an IPU (image processing unit) of a target device, and an I / F (interface) cable. To the PC (computer).
The PC receives image data and attribute data processed by the IPU through the probe / PC I / F and displays monitor information on the display device of the PC.
Here, the target device is a personal computer, a copier, or a printer, and the interface transmits signals using protocols such as SCSI, RS232C, IEEE 1394, and USB.
In this embodiment, image data transferred on the bus will be described. However, the present invention can be similarly applied to image data transferred on ports and channels in addition to the bus.

FIG. 2 is a block diagram showing a functional configuration of hardware and software in the present embodiment.
A in the lower part of FIG. 2 is a block configured by hardware, which receives a synchronization signal group and image data from the target device by the Video I / F monitor unit, and receives the image data in the image data control unit. A synchronization signal is passed to the control unit. The image data control unit stores the image data in the image memory.
B in the upper part of FIG. 2 is a block configured by software, identifies the configuration of the image data from the synchronization signal information, and requests any image data requested by the user from the image data stored in the image memory. Can be displayed.
Software and hardware are composed of functional blocks, and can flexibly cope with changes in image data information and data configuration from the target device. Here, the configuration of software and hardware is not limited to the configuration as shown in FIG. 2 and can be arbitrarily configured.

As described above, in this embodiment, the physical I / F part and the protocol part (hereinafter, including the handshake method), and the I / F between the protocol part and other parts are unified, and the physical I / F part And configure the protocol part modularly.
As a result, a monitor system can be configured with a combination of corresponding modules for different physical I / F units and different protocols, so that it is not necessary to develop as many monitor systems as the number of combinations, and development resources can be saved.

<Embodiment 1>
FIG. 3 is a functional configuration diagram of the image data display system according to the first embodiment. In the figure, the image data display system receives a video I / F monitor unit 11 that receives a synchronization signal group and image data from a target device. The synchronization signal monitoring unit 12 that monitors the state of the synchronization signal group received by the Video I / F monitor unit 11, the image data and attribute data received by the Video I / F monitor unit 11 are stored in the image memory 14, The image data is separated for each color plate and stored in the image memory 14 and received in the image data control unit 13 and the synchronization signal monitoring unit 12. The image data to be displayed after accessing the image memory 14 is displayed. The image display control unit 15 to be transferred to the monitor 30, and the monitor condition input by the user through the input unit 40 according to the synchronization signal monitoring unit 2. A condition setting unit 16 that transmits to the image display control unit 15 and the calculation unit 18, a timer 17 that controls the time interval of synchronization signal monitoring, and a time-out value required for time-out processing is calculated from the set monitor conditions and is output to the timer 17. The calculation unit 18 for setting, the display unit 30 for displaying the monitoring result on the display device, and the input unit 40 having a keyboard and a mouse for specifying monitor conditions and the like.

FIG. 4 is a flowchart showing the operation of the first embodiment.
The hardware of the target device is accessed to receive data on the bus (step S1). If the received data is not an image (NO in step S2), the received data is converted into a data value as in the conventional case. The data is transferred to the display unit 30 and displayed (step S3).

On the other hand, when the received data is an image (YES in step S2), the received data is passed to the synchronization signal monitoring unit 12 via the video I / F monitor unit 11, and the image data is transmitted to the image data control unit. 13, the synchronization signal monitoring unit 12 notifies the image data control unit 13 of the detected synchronization signal (FSYNC signal, FGATE signal, etc.) to the image data control unit 13 as a data unit of each image data or attribute data. 13 separates the received image data and attribute data for each color plate and stores them in the image memory 14 (step S4).
When the image display control unit 15 is notified of the completion of the transfer of all the page data, the image display control unit 15 converts the image data into a bitmap image (step S5), transfers it to the display unit 30 together with the attribute data, and displays it. (Step S6).

  This makes it possible to determine page-by-page breaks of multiple types (by color) of transfer data and attribute data, so that a color image can be visualized in real time.

In addition, since it is not determined that the transfer of all the data constituting the page is completed, the image is not displayed, and therefore, when there is page data that is not transferred, or real-time display of specific page data (a combination thereof) is not possible. Become.
Therefore, in this embodiment, the user can freely set the page unit for performing real-time display through the input unit 40 by the condition setting unit 16. This information is notified to the image display control unit 15 through the condition setting unit 16, and the display of the page unit data in real time display can be controlled.

In addition, when the synchronization signal (FSYNC signal, FGATE signal, etc.) of “image data” or “attribute data” has not been detected, the page-by-page data delimitation cannot be determined, and real-time display cannot be performed.
Therefore, in this embodiment, even if the synchronization signal has not been detected, the synchronization signal monitoring unit 12 is notified that the timer 17 has passed the specified time, and the synchronization signal monitoring unit 12 sends data to the image display control unit 15. The transfer completion can be notified. As a result, even when the synchronization signal (FSYNC signal, FGATE signal, etc.) is not detected, the page-by-page image data can be automatically displayed by the timeout process.

However, if the synchronization signal (FSYNC signal, FGATE signal, etc.) has not been detected, even if it is determined that the data transfer for each page has been completed by the timeout process, if the timeout time is inappropriate, the next page is displayed. Will be affected.
Therefore, in the present embodiment, even when the synchronization signal is not detected, the calculation unit 18 calculates the transfer size of the image data from the monitor conditions input by the user from the input unit 40, and from there, the image data for each page is calculated. An optimal timeout value is calculated and notified to the timer 17, and the timer 17 notifies the image display control unit 15 of the completion of data transfer. As a result, image data in units of pages can be automatically displayed in real time without affecting the subsequent pages.

  By configuring the first embodiment as described above, a function for graphically visualizing the transfer data itself can be added to the function of the conventional data monitoring apparatus and the function of the protocol analyzer. Appropriateness of the data itself can be determined, and debugging, testing, and analysis can be performed effectively.

<Embodiment 2>
FIG. 5 is a functional configuration diagram of the image data display system according to the second embodiment. In the figure, the image data display system includes a receiving unit 21 that receives transfer data from the target device, and a transfer received by the receiving unit 21. A command 22 for separating command data and image data from data, a command data buffer 23 for storing command data separated by the filter 22, a command cutout unit 24 for cutting out commands necessary for page termination from the command data buffer 23, and a command cutout unit The command interpreter 25 interprets page unit transfer from the parameter of the command cut out by 24 or the time order with other commands, the Video I / F monitor unit 11 that receives the image data cut by the filter 22, and the Video I / F monitor. Part 11 receives The image data control unit 13 that separates the image data and attribute data for each color plate and stores them in the image memory 14, receives the transfer completion in units of pages interpreted by the command interpretation unit 25, and accesses the image memory 14 to display the image data to be displayed. The image display control unit 15 transfers the monitor condition to the display unit 30, the condition setting unit 16 that transmits the monitor condition input by the user through the input unit 40 to the image data control unit 13, the display unit 30 that displays the monitor result on the display device, the keyboard, The input unit 40 includes a mouse and has a GUI for designating monitor conditions and the like.

With this configuration, the command interpretation unit 25 notifies the image data control unit 13 of the interpreted page-by-page transfer operation, and the image data control unit 13 performs the rear end processing of the image data. The image display control unit 15 is notified of the completion of the transfer of all page data, and the image display control unit 15 transfers the image data to the display unit 30 for display.
As a result, command data can be monitored and analyzed from among the transferred data, and the page unit breaks of multiple types (by color) of transfer data can be determined, so that color images can be visualized in real time. It is more effective for debugging, testing and analysis.

Further, when “attribute data” is transferred separately from color data as data for graphically displaying the transfer data, the command interpreter 25 sends the interpreted page-by-page transfer operation to the image data controller 13. Then, the image data control unit 13 performs the rear end processing of the image data. At the same time, the command interpretation unit 25 notifies the image display control unit 15 of the completion of the transfer of all page data, and the image display control unit 15 The attribute data ”is transferred to the display unit 30 and displayed.
As a result, transfer data can be processed by determining the page unit break of “attribute data”, so that an image with attribute information added can be visualized in real time, which is more effective for debugging, testing and analysis. is there.

  However, even if configured as described above, the image data to be transferred basically has all the color plates on it, and as the size of the image data increases, the memory capacity to be stored is reduced, and the number of stored images is reduced. I can't earn. In order to solve this problem, a condition setting unit 16 for setting a color plate to be stored in the image data is provided, and selection of each color plate signal of the image data set by the condition setting unit 16 in the image data control unit 13 is performed. To do.

  For example, as shown in FIG. 6, the image data is a CMYK image flowing through the target buses 0 to 3. Here, if the accumulated color plate setting is performed by the user in the condition setting unit 16 and the Y plate accumulation is set, the image data control unit 13 is instructed to store the Y plate and the image data is transferred to the image memory 14. In addition, only the Y version is stored in the image memory 14. As described above, even when the memory capacity can store only one page of CMYK images, by specifying the color plate, it is possible to store images of four pages if it is a single plate.

  In addition, when transferring image data, the meaning of each color plane data of the image data flowing on the bus depends on the target device and cannot be determined uniquely, so it is stored in the image memory 14. The transfer order of each color plate data as image data is set by the condition setting unit 16, and the image data control unit 13 transfers the image data in the order set by the condition setting unit 16.

For example, as shown in FIG. 7, when there is one page of image data for one page on the image memory 14 and the image data is transferred on the bus, the transfer order is designated to the condition setting unit 16 by the user. If the transfer settings are made in order of YMCK to the buses 0 to 3, the setting is instructed to the image data control unit 13, each color plate data is read from the image memory 14, and transferred to the buses 0 to 3 on the bus in the order of YMCK. To do.
As a result, the contents of the image data to be transferred can be freely set, and the work associated with the target change is greatly reduced.

  Further, depending on the target device, if it is necessary to transfer not only the order but also each color plate data, the condition setting unit 16 can set the color plate to be transferred in the image data so that the image can be transferred. The data control unit 13 analyzes the information set by the condition setting unit 16 and selects the transfer color plate according to the setting.

For example, as shown in FIG. 8, when there are two pages of C and Y image data, and the image data is transferred onto the buses 0 and 2, the user specifies the transfer color plate to the condition setting unit 16. When the CY plane designation is set, the setting is instructed to the image data control unit 13, the CY plane data is read from the image memory 14, and transferred to the buses 0 and 2 in a row of CY on the bus.
As a result, the contents of the image data to be transferred can be freely set, and the work associated with the target change is greatly reduced.

  Further, when displaying the image data, if it is desired to arbitrarily combine and display each color plate, the stored color plate and its page information are displayed, and an image window management unit 31 for selecting the combined color plate A data conversion unit 32 that reads color plate data from the image memory 14 according to the selected color plate and page information, and converts the read color plate data into data that can be displayed on a computer. The data converted by the above is displayed on the display unit 30.

For example, as shown in FIG. 9, the user looks at page information and color plate information displayed on the image window management unit 31 and selects each piece of information to be displayed. At this time, if a plurality of color plates are selected, the selected color plates are combined.
The corresponding color plate data is read from the image memory 14 based on the page / color plate information set here, the data conversion unit 32 converts the color plate data into data that can be displayed on the display device, and the display unit 30 displays the color plate data. Displayable data is displayed on a display device.
As a result, it is possible to arbitrarily synthesize the color plate while viewing the information of the accumulated color plate data, which is useful for verifying the image data.

<Embodiment 3>
The third embodiment provides a system that realizes high-speed display of image data sent from a target machine and the minimum storage amount of the image data using the above-described embodiment.
FIG. 10 shows a configuration of an image data display system according to the third embodiment. In this figure, this system includes a debugged device 60 that is a target machine, a receiving unit 41, a data processing unit 42, a compression unit 43, a reduction unit 44, a cutout unit 45, a plane management unit 46, an image memory 47, and display data control. A unit 48, a condition storage unit 49, a condition interpretation unit 50, a control unit 51, an input I / F 52, a transfer unit 53, an input / output I / F 54, an input unit 55, and a display unit 56.

The receiving unit 41 captures image data from the debugged device 60.
In response to an instruction from the control unit 51, the data processing unit 42 determines any one of the compression unit 43, the reduction unit 44, and the cutout unit 45 as a transfer destination, and transfers the captured image data.
The compression unit 43 determines and compresses which image data among the image data transferred from the data processing unit 42 / reduction unit 44 / cutting unit 45 is compressed.
The reduction unit 44 reduces the image data by the compression method selected by the instruction of the control unit 51.
The cutting unit 45 sets a region to be cut out according to an instruction from the control unit 51, and cuts out a region of the image data.
The plane management unit 46 determines a plane to be stored according to an instruction from the control unit 51 and stores it in the image memory 47.
The image memory 47 stores the compressed image data.
The display data control unit 48 selects one of the data from the reduction unit 44 / cutting unit 45 according to an instruction from the control unit 51 and transfers it to the transfer unit 53.
The condition storage unit 49 stores various setting condition information.
The condition interpretation unit 50 interprets the condition information stored in the condition storage unit 49 and passes it to the control unit 51.
The control unit 51 instructs each module to perform processing according to the setting conditions.
The input I / F 52 receives user input information input from the input unit 55 of the external module and passes it to the condition interpretation unit 50.
The transfer unit 53 transfers the image data to the external module according to an instruction from the input / output I / F 54 in order to output the image data to the display unit 56.
The input / output I / F 54 is a communication interface for input from the user and output to the display unit 56.
The input unit 55 is operated by a user using an input device such as a keyboard or a mouse.
The display unit 56 is a display device that displays the image data transferred from the transfer unit 53.

  The connection form between the modules described above may be arbitrary as long as the above-described function can be realized.

FIG. 11 is an example of a condition table stored in the condition storage unit 49. This condition table is an example when the debugged device 60 is an image device.
It should be noted that a user interface that allows the user to easily set each item of the condition table is provided, input information from the user is received by the input unit 55, and the input information is received via the input / output I / F 54 and the input I / F 52 as conditions. By sending the information input to the interpretation unit 50 and storing the information input by the condition interpretation unit 50 in the condition storage unit 49, the user can easily set the condition table.

In FIG. 11, the condition name is written in the vertical direction, and the possible values of the condition name are written in the horizontal direction.
As the “data processing condition flag” of condition 1, any one of “compression”, “reduction”, and “cut” is designated, and the image data taken in by the receiving unit 41 is stored in the compression unit 43 / reduction unit 44 / cutting unit 45. Indicates which to process.

Similarly, the “reduction condition flag” of condition 2 designates either “decimation” or “drop gradation” and indicates the reduction method of the image data passed to the reduction unit 44.
The “cutting condition flag” of condition 3 determines an area (for example, start point coordinates and end point coordinates of the cutting area) to be cut by the cutting unit 45.
The “compression condition flag” of condition 4 determines the compression method (for example, lossless compression, lossy compression, designation of data to be compressed) to be processed by the compression unit 43.
A condition 5 “plane management condition flag” determines a plane to be stored in the image memory 47.
The condition 6 “display data control condition flag” determines whether the data of either the reduction unit 44 or the cutting unit 45 is transferred to the transfer unit 53.

  The condition table is not limited to this, and the condition items, their number, offset value, etc. may be arbitrary.

  FIG. 12 shows an example of a debug target device to be debugged using the third embodiment, which is a configuration example of a digital copying machine. In the figure, an image input from an image input unit is hard-copied by an image forming unit via one or a plurality of image processing units and an image memory connected by various video interfaces. In the image data display system according to the third embodiment, a video signal passed between these modules is taken out, and the copying machine which is a device to be debugged is debugged.

  Here, the number and variation of modules in the middle may be arbitrary. Further, it is not necessary that all the inter-module interfaces are video interfaces. The necessary requirement is that at least the image data transfer interface between modules is a video interface.

Next, the processing operation of this system will be described.
First, the image data flowing through the video interface of the device to be debugged 60 is taken into the system by the receiving unit 41.
In addition, after the condition interpretation unit 50 interprets the condition table stored in the condition storage unit 49, the control unit 51 performs the data processing unit 42, the reduction unit 44, the cutout unit 45, and the display data control unit according to the interpreted conditions. An instruction is issued to 48, and each module processes the captured image data in accordance with an instruction from the control unit 51.

When receiving a reduction instruction from the control unit 51, the data processing unit 42 transfers the image data captured by the reception unit 41 to the reduction unit 44 to perform reduction processing, and transfers it to the display data control unit 48.
Here, the user may input the image data reduction method from the input unit 55 and store it in the condition storage unit 49 via the condition interpretation unit 50.

In this case, the condition interpretation unit 50 interprets the condition setting information stored in the condition storage unit 49, the control unit 51 instructs the reduced processing method to the data processing unit 42, and the data processing unit 42 is designated. Alternatively, the reduction unit 44 according to the reduction method may be executed.
As this reduction method, there are (1) a process of thinning out pixels and (2) a process of reducing gradation.
Since the data capacity can be reduced in this way, the processing speed can be increased. As a result, high-speed display can be realized and debugging efficiency can be improved.

When the control unit 51 receives a cutting instruction, the image data captured by the receiving unit 41 is transferred to the cutting unit 45 to perform a cutting process, and is transferred to the display data control unit 48.
At this time, an area to be cut out is set in the condition storage unit 49 in advance, and the cutout unit 45 cuts out the cutout area designated by the control unit 51 from the image data received from the data processing unit 42.
Next, the display data control unit 48 transfers the data instructed by the control unit 51 among the data transferred from the reduction unit 44 or the cutting unit 45 to the transfer unit 53.

  As a result, the image of the latest page transferred from the display data control unit 48 via the transfer unit 53 and the input / output I / F 54 is displayed on the display unit 56, and is almost delayed from the capture timing from the debugged device 60. Displayed at high speed.

  On the other hand, if the captured image data is not saved, image analysis becomes difficult if a problem occurs during high-speed display. However, since the capacity of the image data is increased, if the image data is stored as it is, the memory capacity is insufficient, and only a small number of pages can be stored, which hinders improvement in debugging efficiency. It is necessary.

For this purpose, the data processing unit 42 compresses the image data captured by the reception unit 41 by the compression unit 43 according to an instruction from the control unit 51 and stores it in the image memory 47 according to an instruction from the plane management unit 46. Further, the image data stored in the image memory 47 is displayed on a display device or stored as a file in a mass storage device (for example, a hard disk device).
Thereby, by compressing and storing the image data, a large amount of image data can be stored in the image memory, and debugging efficiency is improved.

Here, the user may input the image data compression method from the input unit 55 and store it in the condition storage unit 49 via the condition interpretation unit 50.
In this case, the condition interpretation unit 50 interprets the condition setting information stored in the condition storage unit 49, the control unit 51 instructs the data processing unit 42 to determine the interpreted compression method, and the data processing unit 42 is designated. Alternatively, the compression unit 43 according to the compression method may be executed.
As this compression method, (1) when image degradation is not allowed when performing detailed image analysis, lossless compression that does not degrade the image even when compressed, and (2) compression when using the lossless compression method Since the rate is low and the number of pages that can be captured is limited, there is lossy compression when more image data is to be stored even if there is some image degradation.

Further, in accordance with an instruction from the control unit 51, the image data of only the designated area may be cut out by the cutting unit 45, and the cut image data may be compressed and stored by the compression unit 43.
This saves image data only in the specified area in the memory, reducing the image data in areas not necessary for the user, saving image memory and increasing the number of pages of image data that can be stored in the memory, and debugging efficiency. Will improve.

Further, the image data reduced by the reduction unit 44 may be compressed by the compression unit 43 and stored in accordance with an instruction from the control unit 51.
As a result, information unnecessary for the user can be cut off and stored, saving the image memory and increasing the number of pages of image data that can be stored in the memory, thereby improving debugging efficiency.

Further, the plane management unit 46 may store all or some of the color plates of the frame of the detailed image data in the image memory 47 in accordance with an instruction from the control unit 51.
This saves detailed information for only the required color plate in the memory so that pixel data unnecessary for the user is not saved, saving image memory and increasing the amount of image data that can be saved in the memory, improving debugging efficiency. To do.

<Other embodiments>
The present invention is not limited only to the above-described embodiments. Each function constituting the image data display system of the above-described embodiment is programmed and written in a recording medium in advance, and these programs recorded in the recording medium are stored in a memory or a storage device provided in the computer. Needless to say, the object of the present invention is achieved by executing the program. In this case, the program itself read from the recording medium realizes the functions of the above-described embodiment, and the program and the recording medium recording the program also constitute the present invention.
In addition, the program includes a case where the functions of the above-described embodiment are realized by processing in cooperation with an operating system or another application program based on an instruction of the program.

Note that the program for realizing the functions of the above-described embodiments includes a disk system (for example, a magnetic disk, an optical disk, etc.), a card system (for example, a memory card, an optical card, etc.), and a semiconductor memory system (for example, a ROM, a nonvolatile memory). Etc.) and a recording medium of any form such as a tape system (for example, magnetic tape, cassette tape, etc.). Alternatively, the program stored in the storage device may be directly supplied from the server computer via the network. In this case, the storage device of this server computer is also included in the recording medium of the present invention.
As described above, by programming and distributing the functions of the above-described embodiment, the cost can be reduced, and the portability and versatility can be improved.

It is a schematic diagram when applying the image data display system of the present invention. It is a block diagram which shows the function structure in the hardware and software in embodiment. 1 is a functional configuration diagram of an image data display system according to Embodiment 1. FIG. 3 is a flowchart showing the operation of the first embodiment. 6 is a functional configuration diagram of an image data display system according to Embodiment 2. FIG. It is a data flow figure at the time of designating an accumulation color version. It is a data flow figure at the time of designating transfer order. It is a data flow figure at the time of designating a transfer color plane. It is a data flow figure at the time of designating composition of each color plate. It is a structure of the image data display system concerning Embodiment 3. FIG. It is an example of a condition table stored in a condition storage unit. It is an example of the to-be-debugged apparatus debugged using Embodiment 3.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 ... Video I / F monitor part, 12 ... Synchronization signal monitoring part, 13 ... Image data control part, 14 ... Image memory, 15 ... Image display control part, 16 ... Condition setting part, 17 ... Timer, 18 ... Calculation part, DESCRIPTION OF SYMBOLS 30 ... Display part, 40 ... Input part, 21 ... Reception part, 22 ... Filter, 23 ... Command data buffer, 24 ... Command cut-out part, 25 ... Command interpretation part, 31 ... Image window management part, 32 ... Data conversion part, A ... Hardware block, B ... Software block, 40 ... Input unit, 41 ... Receiving unit, 42 ... Data processing unit, 43 ... Compression unit, 44 ... Reduction unit, 45 ... Cut off unit, 46 ... Plane management unit 47 ... Image memory 48 ... Display data control unit 49 ... Condition storage unit 50 ... Condition interpretation unit 51 ... Control unit 52 ... Input I / F 53 ... Transfer unit 5 ... O I / F, 55 ... input unit, 56 ... display unit, 60 ... debug target device.

Claims (28)

  An image data display system characterized by graphically visualizing transfer data itself in a transmitted signal when monitoring and analyzing a signal transmitted on an interface connecting a plurality of devices / modules. .   2. The image data display system according to claim 1, wherein the image data in the transmitted signal is identified and the image data itself is visualized graphically.   3. The image data display system according to claim 1, wherein the physical I / F unit and the protocol unit, and the protocol unit and the other unit are unified, and the physical I / F unit and the protocol unit are modular. An image data display system characterized by that.   3. The image data display system according to claim 2, wherein the rear end processing of the transfer data is performed by using the synchronization signal of the image data as a data delimiter for each page of the data, and the display is performed when the transfer of all the page data is completed. An image data display system characterized by the above.   5. The image data display system according to claim 4, wherein the rear end processing of the transfer data is performed by using the attribute data synchronization signal as a page unit data delimiter of each data, and the display is performed when all page data transfer is completed. An image data display system characterized by the above.   6. The image data display system according to claim 5, wherein page unit data for real-time display can be arbitrarily set.   6. The image data display system according to claim 4, wherein when the synchronization signal is not detected, it is determined that the data transfer for each page is completed by a time-out process. .   8. The image data display system according to claim 7, wherein the timeout time is calculated based on transfer data being monitored.   In an image data display system that monitors and analyzes a signal transmitted over an interface connecting a plurality of devices / modules and displays the analysis result, identifies command data in the transmitted signal, and based on the command data An image data display system characterized by determining the end of data transfer for each page data and displaying the data when all page data transfer is completed.   10. The image data display system according to claim 9, wherein the transfer data is processed by determining the data delimiter in page units of the attribute data from the command data, and the display is performed when the transfer of all page data is completed. A featured image data display system.   11. The image data display system according to claim 9 or 10, wherein the user sets a color plate to be stored in the image data and selects each color plate signal of the image data. Display system.   12. The image data display system according to claim 11, wherein the user sets the transfer order of each color plane data stored in the memory as image data, and the image data is transferred in the set order. An image data display system characterized by the above.   12. The image data display system according to claim 11, wherein a color plate to be transferred in the image data is set by a user and the transfer color plate is selected according to the setting. .   14. The image data display system according to claim 9, wherein the stored color plate and its page information are displayed, the user is allowed to select a composite color plate, and the selected color plate and page information are selected. An image data display system, wherein color plate data is read from a memory, and the read color plate data is converted into data that can be displayed on a display device.   15. The image data display system according to claim 1, wherein when displaying image data, the image data transmitted from the plurality of devices / modules is reduced to display the image at high speed. An image data display system characterized by the above.   16. The image data display system according to claim 15, wherein a reduction method of the image data can be selected.   17. The image data display system according to claim 16, wherein the reduction method is a thinning method.   17. The image data display system according to claim 16, wherein the reduction method is a method of reducing gradation.   16. The image data display system according to claim 15, wherein only image data in a designated area for displaying a detailed image is cut out from the image data transmitted from the plurality of devices / modules and displayed at high speed. Image data display system.   20. The image data display system according to claim 1, wherein the image data transmitted from the plurality of devices / modules is compressed and stored in an image memory.   21. The image data display system according to claim 20, wherein the image data to be compressed is reduced image data.   21. The image data display system according to claim 20, wherein the image data to be compressed includes all color plates or a part of colors of a frame requiring detailed information among image data transmitted from the plurality of devices / modules. An image data display system characterized in that it is detailed information only for the version.   21. The image data display system according to claim 20, wherein the image data to be compressed is an image obtained by cutting out a designated area.   24. The image data display system according to claim 20, wherein a compression method of the image data can be designated.   25. The image data display system according to claim 24, wherein the compression method is a reversible compression method.   25. The image data display system according to claim 24, wherein the compression method is a lossy compression method.   A program for causing a computer to realize the function of the image data display system according to any one of claims 1 to 26.   A computer-readable recording medium on which the program according to claim 27 is recorded.