JPH10295690A - Cine-memory control method with ultrasonic diagnostic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate additional equipment of a cine-memory without increasing signal lines to make interface with an image data bus by using a format of an image data string, and simplifying the interface for the image data bus. SOLUTION: An input/output part 21 is furnished to make interface with an image data bus 27, and header data and footer data including the controlling information are extracted from the image data string so that control of a cine- memory part 23 is conducted. A cine-memory control part 22 to accommodate the image data of an image data slot in the image data string and a data changeover part 24 to make changing-over into the data read out of the cine- memory part 23 at the timing of the image data slop or the image data string entered from the input/output part 21 are connected with the cine-memory part 23, and it is made practicable that the image data fed from the fore stage is left to multiple transmission to the image data bus 27 while it is accommodated in the cine-memory part 23, and further a simplification is accomplished by introducing a packet system of image data bus interface, and additional equipment of cine-memory is facilitated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultrasonic diagnostic apparatus which displays images on a monitor in real time,
The present invention relates to a cine memory control method for storing image data in a memory (cine memory) for storing image data, and appropriately reproducing and displaying the image data based on the stored image data.

[0002]

2. Description of the Related Art As a conventional ultrasonic diagnostic apparatus, one having a configuration described in Japanese Patent Application Laid-Open No. 5-212031 is exemplified.
The apparatus has a cine memory function capable of obtaining an ultrasonic image of a diagnostic site inside a subject using ultrasonic waves and storing image data for a plurality of images.

FIG. 3 is a block diagram showing the configuration of a conventional ultrasonic diagnostic apparatus. The present apparatus controls a probe 1 for transmitting and receiving ultrasonic waves to and from a subject, and controls the probe 1. A reflected echo detector 2 that transmits an ultrasonic wave and detects a reflected echo signal from a received reflected wave signal, and an A / A that converts a reflected echo signal that is an analog signal from the reflected echo detector 2 into a digital signal. A D (analog / digital) converter 3, a frame memory unit 4 for receiving and storing image data from the A / D converter 3, and a plurality of image data sequentially output from the A / D converter 3 A multi-memory unit 5 capable of storing, a multi-memory control unit 6 for controlling writing and reading of image data to and from the multi-memory unit 5, and an image data read from the frame memory unit 4. A display circuit 7 for performing processing for converting the video signal of the use, the image display unit 8 for displaying images by inputting the video signal from the display circuit 7, the image display unit 8
And an image recording device 9 that captures and records the image displayed on the display.

In FIG. 3, reference numeral 10 denotes a central processing unit (CPU) for controlling the operation of each member, and reference numeral 11 denotes an operation board for inputting operation commands to the CPU 10.

In the conventional apparatus having the above-described configuration, a plurality of image data considered to be effective for diagnosis are stored in the cine memory of the multi-memory section 5, and the stored image data is sequentially read out later to display the image. The display can be made in any state in the section 8.

[0006]

However, in the cine memory control in the conventional ultrasonic diagnostic apparatus, the number of signal lines to be interfaced is increased, which complicates the cine memory control. There was a problem that it was not possible to respond flexibly to requests.

An object of the present invention is to provide a cine memory control method in an ultrasonic diagnostic apparatus which solves the conventional problems and facilitates the addition of a cine memory.

[0008]

In order to achieve the above object, the cine memory control method in the ultrasonic diagnostic apparatus of the present invention uses the following image data string format. That is, the format of the image data sequence to be used is one packet that sandwiches the image data by the address as the header data, the write command, the read command, and the image data end command as the footer data. By using the format of the image data sequence, it is possible to simplify the interface of the image data bus, and to enhance the expandability of cine memory expansion without increasing the number of signal lines to be interfaced. It is.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention provides an input / output unit for performing time-division processing on input / output of an image data sequence, and a cine memory for storing image data in the image data sequence. Unit, a cine memory control unit that extracts header data and footer data from the image data sequence and controls storage and reproduction of image data in the cine memory unit, and an image read out from the cine memory unit at the timing of the image data slot. A data switching unit that switches and outputs data and an image data sequence input from the input / output unit, and a frame memory unit that forms image data to be displayed while simultaneously extracting and storing image data from the image data sequence. An image display unit that converts the image data read from the frame memory unit into a signal for image display and displays an image. A cine memory control method for use in an ultrasonic diagnostic device including in an image data stream,
The header data, the image data, and the footer data are formatted so as to form one packet, and the image data is stored in the cine memory unit according to the control information included in the header data, or the reproduction control of the cine memory unit is performed. By palletizing the image data sequence as described above, it is easy to add a cine memory.For example, by providing the ID number (identification number) of the cine memory in the header data,
The cine memory can be easily added, the interface of the image data bus can be simplified, and an expansion board can be easily realized based on the packet interface. Further, by using the ID number, it is possible to easily cope with various use states, for example, it is possible to control storage and reproduction of image data in a specific cine memory in the mounted cine memory.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing a configuration of a cine memory control system in an ultrasonic diagnostic apparatus for explaining an embodiment of the present invention. The cine memory unit in FIG. 1 corresponds to the multi-memory unit described with reference to FIG. 3, and this control system is basically applied to the ultrasonic diagnostic apparatus having the configuration described with reference to FIG. Applicable.

In FIG. 1, reference numeral 21 denotes an input / output unit for performing input / output processing of image data, reference numeral 22 denotes a cine memory control unit for performing data control on a cine memory unit 23, and reference numeral 24 denotes data from the input / output unit 21 and a cine memory unit 23. A data switching unit for switching and outputting data, a frame memory unit 25 for forming image data to be displayed as a monitor image on an image display unit 26 such as a CRT, and an image data bus 27.

FIG. 2 is an explanatory diagram showing a format state of a packetized image data sequence.
One packet is formed by sandwiching image data 31 by header data 30 including an address, an ID number, a write command, a read command, and the like, and footer data 32 including an image data end command.

In FIG. 1, an input / output unit 21 is for inputting / outputting the above-described packetized image data sent from a preceding member (not shown) to a cine memory unit 23. For example, the input / output of image data is time-shared by the timing of the clock, such that a High period in a 5 MHz clock is an input period to the cine memory unit 23 and a Low period is an output period to the image data bus 27. (Time division).

The cine memory control unit 22 extracts the header data 30 and the footer data 32 from the image data sequence input via the input / output unit 21 and controls the storage and reproduction of the cine memory unit 23. , I in the header data 30
By increasing the D number, the cine memory unit 23 to be added is increased.
Identification of

The cine memory unit 23 is controlled by the cine memory control unit 22 and stores the image data 31 in the image data sequence packetized via the input / output unit 21. The header data in the image data sequence Controlled by 30,
A plurality of frame images are stored.

The data switching section 24 switches between image data 31 read from the cine memory section 23 at the timing of an image data slot and an image data string input from the input / output section 21. When the timing of the image data slot in the image data string passed through is changed, the contact is switched to the b side, and at the timing of data other than the image data slot, that is, the timing of the header data slot and the footer data slot, the contact is switched to the a side. By switching in this manner, the image data 31 stored at the position of the image data slot in the packetized image data sequence can be multiplexed.

The frame memory unit 25 extracts and stores the image data 31 from the packetized image data sequence, and forms image data to be displayed on the image display unit 26.

The image display section 26 converts the image data 31 read from the frame memory section 25 into a signal for television monitor display and displays the image.

As a cine memory control method for the ultrasonic diagnostic apparatus according to the above-described embodiment, a packetized image data string passing through the input / output unit 21 is stored in the cine memory unit by, for example, a High period in a 5 MHz clock. Two
The input / output of the image data is time-shared such that the input period to the image data bus 3 and the low period of the same clock are the output period to the image data bus 27.

The format of the packetized image data sequence includes header data 30 including control information,
Consisting of footer data 32 and image data 31, the simplification of the image data bus interface is realized, and the expandability of the cine memory expansion can be increased without increasing the number of signals to be interfaced.

Further, the present invention can be similarly applied to an ultrasonic diagnostic apparatus having a color display function.

[0023]

As described above, according to the cine memory control method in the ultrasonic diagnostic apparatus of the present invention, the header data, the image data, and the footer data are made into one packet, thereby simplifying the image data bus interface. And the header data contains the I
By providing the D number, it is possible to enhance the expandability of the cine memory expansion without increasing the number of signal lines to be interfaced, and to store the image data in a specific cine memory in the cine memory mounted by the ID number. Reproduction is also possible, and the effect that the flexibility of application can be increased is obtained.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a cine memory control system in an ultrasonic diagnostic apparatus for explaining an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a format state of a packetized image data sequence in the embodiment.

FIG. 3 is a block diagram illustrating a configuration of a conventional ultrasonic diagnostic apparatus.

[Explanation of symbols]

21 input / output unit, 22 cine memory control unit, 23 cine memory unit, 24 data switching unit, 25 frame memory unit, 26 image display unit, 30 header data, 31 image data, 32 footer data.

Claims (1)

[Claims] 1. An input / output unit for performing time-division processing on input / output of an image data sequence, a cine memory unit for storing image data in the image data sequence, and header data and footer data from the image data sequence A cine memory control unit that controls the storage and reproduction of image data in the cine memory unit by performing extraction of the image data, an image data read from the cine memory unit at an image data slot timing, and an image data string input from the input / output unit. A data switching unit for switching and outputting the image data; a frame memory unit for extracting image data from the image data string and forming image data to be stored and displayed at the same time as an image display; And an image display unit for displaying an image by converting the signal into an image signal. A method of formatting an image data sequence so that header data, image data, and footer data become one packet, and storing image data in the cine memory unit according to control information included in the header data. Or a cine memory control method in an ultrasonic diagnostic apparatus, wherein reproduction control is performed on the cine memory unit.