CN101732072B - Movie file playback and secondary storage method suitable for ultrasonic diagnostic equipment - Google Patents

Movie file playback and secondary storage method suitable for ultrasonic diagnostic equipment Download PDF

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CN101732072B
CN101732072B CN 200910213218 CN200910213218A CN101732072B CN 101732072 B CN101732072 B CN 101732072B CN 200910213218 CN200910213218 CN 200910213218 CN 200910213218 A CN200910213218 A CN 200910213218A CN 101732072 B CN101732072 B CN 101732072B
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step
playback
movie
image
cursor
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CN 200910213218
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CN101732072A (en
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张小艾
曹文娟
赵明昌
陈建军
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无锡祥生科技有限公司
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Abstract

The invention discloses a movie file playback and secondary storage method suitable for ultrasonic diagnostic equipment, which comprises that: when a system is in a frozen state, a user can start a movie playback mode for a cursor shifting control device, and the system can automatically analyze the playback mode according to the operation method of the user for the cursor shifting control device, namely determines order playback or reversed order playback according to the cursor shifting direction and judges continuous play or frame-by-frame play according to the cursor shifting speed; in a playback state, the user also can use the cursor to quickly and flexibly adjust and convert the playback mode according to the actual need; and in a movie playback state, the user can freely interceptthe needed part in the image data of a current movie playback memorizer to perform secondary storage, rather than only store all the image data of the current movie playback memorizer in one movie file. Therefore, the method can efficiently utilize the limited storage space and avoid resource waste.

Description

适用于超声诊断设备的电影文件回放和二次存储方法 Movie file playback is suitable for ultrasonic diagnostic equipment and secondary storage method

技术领域 FIELD

[0001] 本发明涉及一种图像数据文件的回放和存储方法,尤其是一种适用于超声诊断设备的电影文件的回放和二次存储方法。 [0001] The present invention relates to an image data file storage and playback method, particularly playback and secondary storage method suitable for the ultrasonic diagnostic apparatus movie file.

背景技术 Background technique

[0002] 在超声诊断设备中,电影回放的功能指的是:实时扫描时得到图像数据同时被存入存储器中,用户在冻结情况下可以把存储器中的图像数据重现在显示设备上。 [0002] In the ultrasonic diagnostic apparatus, the movie playback function refers to: obtain an image data in real time while the scan is stored in memory, the user can freeze the image data in the memory device now re-display. 电影回放功能是超声诊断的重要手段。 Movie playback function is an important means of diagnostic ultrasound.

[0003] 现有的超声诊断设备可分为两种工作状态:实时扫描状态和冻结状态。 [0003] Existing ultrasound diagnostic equipment can be divided into two working conditions: real-time scanning state and frozen state. 在实时扫描状态下,扫描并显示实时图像,同时把图像数据保存在电影回放存储器中。 In the real-time scanning state, scanning and display real-time images, while the image data stored in cine memory. 冻结状态下, 如果没有启动电影回放,则显示最后一帧的图像;如果启动电影回放,则从电影回放存储器中取出之前存储的图像数据,回放实时状态下产生的图像。 The frozen state, if not start movie playback, the last image is displayed; if started cine, the images produced from image data of previously stored, the real-time status cine memory replay removed. 电影回放的启动方式一般是通过菜单选择或别的控件进行控制,回放速度一般是固定不变的,由第一帧开始顺序连续播放。 Cine startup mode typically through a menu selection or other controls for controlling playback speed is generally fixed sequence starting from the first frame continuously. 电影文件的存储则是在冻结情况下,把电影回放存储器中所有的图像数据保存为一个电影文件,不能对文件内容进行选择或删减。 Movie file is stored in the event of freezing, to save all the image data cine memory as a movie file, the file contents can not be selected or deletion.

[0004] 由于电影文件占用空间比较大,而每次电影回放存储器中的图像数据多数并不具有诊断价值,用户为了其中部分图像数据而不得不把所有图像数据都一起存进电影文件, 这样造成的后果是存储的电影文件中大部分是无价值的图像数据,极大浪费了有限的存储空间。 [0004] As the movie files occupy a larger space, and each image data cine memory does not have the majority of diagnostic value, in which part of the image data to the user had to put together all the image data are stored into a movie file, so that cause the consequence is that most of the movie files stored in the image data is worthless, tremendous waste of the limited storage space.

[0005] 并且在进行电影回放时,用户只能进行顺序回放,如果在回放过程中遇到有价值的图像想要回退进行仔细观察和比对时,也不便进行操作;再者,由于不能逐帧回放,极有可能因为回放速度过快而使用户错过有诊断价值的图像而造成误诊事故。 [0005] and during movie playback, users can only play back the sequence, if valuable experience image during playback wants to be rolled back when careful observation and comparison, will not operate; Furthermore, because it is not frame playback, most likely because the user missed the playback speed is too fast diagnostic value of the image caused by misdiagnosis accident.

发明内容 SUMMARY

[0006] 本发明的目的是克服现有技术中存在的不足,提供一种适用于超声诊断设备的电影文件回放和二次存储方法,用户在冻结状态下,能够只使用光标移动控制装置启动电影回放操作,并根据对光标移动控制装置的操作方式选择不同的电影回放方式,包括顺序回放和逆序回放、连续回放和逐帧回放。 [0006] The object of the present invention is to overcome the disadvantages present in the prior art, and provides the movie file playback method suitable for the secondary storage ultrasonic diagnostic apparatus, a user in a frozen state, it is possible to use only the cursor movement control means starts film playback operation, an operation mode and a cursor movement control device to select a different movie playback, including sequential playback and reverse playback, frame playback, and continuous playback. 而且在电影回放状态下,能够根据实际需要截取电影回放存储器中的一部分图像数据,存储为可反复操作的电影文件。 And in movie playback state, can be a part of the image data in the cine memory, the operation can be repeated for the storage of movie files taken according to actual needs.

[0007] 按照本发明提供的技术方案,所述超声诊断设备的电影文件回放方法包括以下步骤: [0007] The technical solution according to the present invention provides the ultrasonic diagnostic apparatus movie file playback method comprising the steps of:

[0008] 步骤A2,超声图像诊断设备检测光标位移信号,首先判断光标位移方向,如果检测到有向左的位移量,则执行步骤A3,如果检测到向右的位移量,则执行步骤C3 ; [0008] Step A2, the ultrasound image diagnosis apparatus detects a cursor displacement signal, the displacement direction of the cursor is first determined if the detected displacement amount has left, step A3, if the rightward displacement amount detected, step a C3;

[0009] 步骤A3,检测光标位移量的大小,并与系统给定的设定值进行比较,如果大于设定值,则执行步骤A4,否则执行步骤B4 ; [0009] Step A3, a cursor displacement amount detecting the size of the system and with a given set value, and if greater than the set value, execute step A4, otherwise executing step B4;

[0010] 步骤A4,根据所述位移量计算需要回放的电影文件的图像帧数η ;[0011] 步骤A5,逆序回放步骤A4中计算出的η帧图像; [0010] Step A4, according to the number of image frames required displacement amount calculating movie file playback η; [0011] Step A5, A4 reverse playback step [eta] calculated in the frame image;

[0012] 步骤Α6,判断是否检测到退出电影回放模式信号,如果是,则退出电影回放模式, 结束操作;否则返回执行步骤Α2 ; [0012] Step [alpha] 6, determines whether the detected signal to exit the movie playback mode, if so, exit the movie playback mode, the operation ends; otherwise, returning to step alpha] 2;

[0013] 步骤Β4,逆序回放电影文件的一帧图像,然后执行步骤Α6 ; [0013] Step [beta] 4, reverse playback of a movie image file, then step [alpha] 6;

[0014] 步骤C3,检测光标位移量的大小,并与系统给定的设定值进行比较,如果大于设定值,则执行步骤C4,否则执行步骤D4 ; [0014] Step C3, a cursor displacement amount detecting the magnitude and compared with a set value given system, if it exceeds the set value, step C4, otherwise to step D4;

[0015] 步骤C4,循环顺序连续播放电影文件存储器中所有的图像,即当回放到最后一帧图像后,再从第一帧开始继续播放;同时执行步骤Α6 ; [0015] Step C4, continuous playback of all loop sequence of image memory movie files, i.e., when the playback to the last frame image, and then continue to play from the first frame; [alpha] 6 performed concurrently;

[0016] 步骤D4,系统顺序播放电影文件的一帧图像,然后执行步骤Α6。 [0016] Step D4, the system displays a sequence of images of a movie file, and the step Α6.

[0017] 一种超声诊断设备的电影文件存储方法,对实时扫描采集到的图像数据进行抽样,再将抽样后得到的图像数据存入电影文件存储器,抽样过程中使用线性插值算法作为图像插值法。 [0017] movie file storage method of an ultrasonic diagnostic apparatus, real-time scanning of the acquired image data are sampled and then the sampled image data obtained is stored movie file memory, the sampling process using a linear interpolation of an image interpolation algorithm .

[0018] 一种超声诊断设备的电影文件的可选择性二次存储方法,在电影文件回放过程中,通过指定起始位置和终止位置,将起始位置和终止位置之间的图像帧保存为一个完整的电影文件。 [0018] The method of selectively secondary storage movie file an ultrasonic diagnostic apparatus, the movie file playback, by specifying the start and end positions, the image frame is stored between the start and end positions of a full movie file.

[0019] 所述指定起始位置和终止位置是通过一个按键信号触发;第2Ν-1次收到按键信号时,触发的是确认起始位置信号;第2Ν次收到按键信号时,触发的是确认终止位置信号; N为自然数。 [0019] The start and end positions designated by a key signal is triggered; 2Ν-1 times the first key signal is received, the trigger signal is to identify a starting position; the first key signal received 2v times, triggered confirm the termination position signal; N is a natural number.

[0020] 当接收到保存电影文件信号时,将指定起始位置和终止位置之间的图像帧保存为一个完整的电影文件。 [0020] Upon receiving the signal stored movie file, the designated image frames stored between the start and end positions for a full movie file.

[0021] 本发明的优点是:在冻结状态下,用户只使用光标移动控制装置就能操作电影回放功能,并能灵活控制电影回放方式,连续播放、逐帧播放、逆序播放都能快捷获得,这样便捷灵活的操作不仅方便用户操作,更能降低因回放方式不便调节而错过有价值诊断的图像,从而引起误诊的概率。 [0021] The advantages of the present invention is: in the frozen state, the user only can use the cursor movement control means movie playback operations, and can flexibly control the cine mode, continuous playback, frame playback, fast reverse playback can be obtained, such action is not only convenient and flexible user-friendly operation, can reduce the image playback mode due to the inconvenience and missed valuable diagnostic adjust, causing the probability of misdiagnosis. 并且在电影回放状态下,还能根据实际需要截取有价值的电影文件进行存储,减小空间资源浪费。 And in movie playback mode, it can be stored according to the actual need to intercept value movie files, reduce the waste of space resources.

附图说明 BRIEF DESCRIPTION

[0022] 图1是本发明所述超声诊断设备的系统框图。 [0022] FIG. 1 is a system block diagram of an ultrasonic diagnostic apparatus according to the present invention.

[0023] 图2是本发明所述电影文件回放方法的流程图。 [0023] FIG 2 is a flowchart of a movie file playback method of the present invention.

[0024] 图3是本发明所述电影文件二次存储方法的流程图。 [0024] FIG. 3 is a flowchart of the second method of the present invention stores the movie file.

具体实施方式 Detailed ways

[0025] 下面结合附图和实施例对本发明作进一步说明。 Drawings and embodiments of the present invention will be further described [0025] below in conjunction.

[0026] 如图1所示:本发明所述超声诊断设备在信号处理模块和图像形成模块之间设置有电影回放存储器。 [0026] As shown in FIG 1: the ultrasonic diagnostic apparatus according to the present invention, the signal processing module and an image is formed between the cine memory module is provided.

[0027] 如图2所示,本发明所述电影回放方法详细如下: [0027] 2, the method of the present invention cine detail as follows:

[0028] 步骤Al,用户按下键盘上的“FREEZE”按键,使系统进入冻结状态,然后操作光标移动控制装置移动光标启动电影回放模式; [0028] Step Al, the user presses the "FREEZE" key on the keyboard, the system into a frozen state and then operating the cursor movement control means moves a cursor to start the movie playback mode;

[0029] 步骤A2,系统检测光标位移信号,首先检测光标位移方向,如果检测到有向左的位移量,则执行步骤A3,如果检测到向右的位移量,则执行步骤C3 ; [0029] Step A2, a cursor displacement signal detecting system, a cursor is first detected displacement direction, the displacement amount is detected if there is left, step A3, if the rightward displacement amount detected, step a C3;

[0030] 步骤A3,系统检测光标位移量的大小,并与系统给定的设定值进行比较,如果大于设定值,则执行步骤A4,否则执行步骤B4 ;所述设定值为事先设定,仅用于判断光标位移量大小而确认用户的输入指令,后同。 [0030] Step A3, a cursor displacement amount detecting system size, and compared with a set value given system, if it exceeds the set value, step A4, otherwise step B4; the setting value set in advance given only for determining the size and amount of displacement of the cursor to confirm a user's input instruction, after the same.

[0031] 步骤A4,系统根据位移量计算需要回放的图像帧数,假设为η帧;执行步骤Α5 ; [0031] Step A4, according to the displacement amount calculation system requires the playback image frame number, the frame is assumed to be η; cc5 step;

[0032] 步骤Α5,系统逆序回放步骤Α4中计算出的η帧图像,然后执行步骤Α6 ; [0032] Step cc5, reverse playback system calculated in step Α4 η frame image, and then step [alpha] 6;

[0033] 步骤Α6,系统判断是否检测到退出电影回放模式信号,如果检测到此信号,则退出电影回放模式,结束操作;如果未检测到退出信号,则返回执行步骤Α2 ; [0033] Step [alpha] 6, the system determines whether the detected exit cine mode signal, this signal is detected, then exit the movie playback mode, the operation ends; exit if no signal is detected, the step returns alpha] 2;

[0034] 步骤Β4,系统逆序回放一帧图像,然后执行步骤Α6 ; [0034] Step [beta] 4, an image playback system in reverse order, then step [alpha] 6;

[0035] 步骤C3,系统检测光标位移量的大小,并与设定值进行比较,如果大于设定值,则执行步骤C4,否则执行步骤D4 ; C3, a cursor displacement amount detecting system size [0035] step, and compared with a set value, if it exceeds the set value, step C4, otherwise to step D4;

[0036] 步骤C4,系统循环顺序连续播放电影文件存储器中所有的图像,即当回放到最后一帧图像后,再从第一帧开始继续播放;同时执行步骤Α6 ; [0036] Step C4, the system loops continuous playback sequence of all image memory movie files, i.e., when the playback to the last frame image, and then continue to play from the first frame; [alpha] 6 performed concurrently;

[0037] 步骤D4,系统顺序播放一帧图像,然后执行步骤Α6 ; [0037] Step D4, the system displays a sequence of images, then step [alpha] 6;

[0038] 在上述操作中,当系统处于冻结状态,用户只需通过控制光标移动控制装置来操作电影回放。 [0038] In the above operation, when the system is in a frozen state, the user operates only through cine controlling cursor movement control means.

[0039] 以下通过另一个实施例并结合附图3,对本发明的电影文件选择性二次存储操作方法加以说明: [0039] The following embodiments in conjunction with the accompanying drawings and through another embodiment 3, the movie file will be described the present invention a method of operating a selective secondary storage:

[0040] 步骤Ε1,用户使用前面所述的操作方法启动电影回放,使系统进入回放状态,此时光标在回放显示条上移动; [0040] Step ∈ 1, the user starts using the cine operating method previously described, the system enters the playback mode, the playback The cursor moved on the display section;

[0041] 步骤Ε2,当光标移动到想要开始保存的图像时,用户按下SET键,确定保存起始位置s——电影回放存储器中第s帧图像位置; [0041] Step ∈ 2, when the cursor moves to the desired start saving the image, the user presses the SET key, the start position determination save s-- cine memory location of the frame image s;

[0042] 步骤E3,保持电影回放状态,当回放到想要结束保存的图像时,用户再次按下SET 键,确定保存终止位置t——电影回放存储器中第t帧图像; [0042] Step E3, a state holding movie playback, when playing back image you want to save the end, the user presses the SET key again, the end position is determined to save cine memory t-- t th frame image;

[0043] 步骤E4,若用户确认保存区域为s_t区间的图像,则按下SAVE按键触发保存电影文件信号。 [0043] Step E4, if the user confirms the image storage area s_t section, press the trigger button SAVE to save the movie file signal. 系统检测保存电影文件信号,如果收到此信号,则执行步骤E5 ;否则返回执行步骤E2 ; Save Movie File system detects a signal, if you receive this signal, step E5; otherwise it returns to step E2;

[0044] 步骤E5,系统判断s与t的大小;如果s < = t,则执行步骤E6,否则执行步骤F6 ; [0044] Step E5, the system determines the size s and t; if s <= t, then the step E6, otherwise, executing step F6;

[0045] 步骤E6,保存从第s帧图像至第t帧图像为一个完整的电影文件。 [0045] Step E6, s saved from the t th frame image and a frame image is complete movie file. 操作结束。 The end of the operation.

[0046] 步骤F6,保存从第t帧图像至第s帧图像为一个完整的电影文件。 [0046] Step F6, from the t th frame image is saved to the s-th frame image is a full movie file. 操作结束。 The end of the operation.

[0047] 在实时扫描状态,存入电影回放存储器的图像数据并不一定完全等同于实际扫描得到的所有数据。 [0047] In the real-time scanning state, stored in cine memory, the image data is not necessarily exactly the same as all the data is actually scanned. 举个例子说明:如果实际帧频为100帧/S,即每秒钟采集到100帧图像数据,如果要保存10秒内采集到的所有图像数据,也就是1000帧图像数据。 For example: If the actual frame rate of 100 / S, i.e. taken every 100 to the image data, if you want to save all the image data acquisition within 10 seconds, the image data is 1,000. 这需要耗占很大的空间,而电影回放存储器的空间是相对有限的,如果在帧频较高的情形下保存所有的图像数据,则只能保存很短时间内的图像数据。 This requires consumption accounts for a large space, and cine memory space is relatively limited, if you save all the image data at a higher frame rate situation, you can only save a very short period of image data. 而对医生来说,一般希望能够保存稍长时间的图像数据,并且100帧/S的帧频在临床使用方面并无太大意义,因为0. 01秒的采样间隔相对于图像的真实变化来说几乎可以忽略不计,通常要过很多个采样间隔图像才会真正变化。 While for doctors generally desirable to be able to save a little longer in the image data, and a frame rate S 100 is not much sense / in clinical use, since the sampling interval of 0.01 seconds with respect to the real change in the image He said almost negligible, usually a lot of sampling interval image will really change. 换句话说,实际采集的图像数据中大部分都是重复的冗余数据。 In other words, the image data is actually collected in duplicate mostly redundant data. 为了合理利用电影回放存储器的资源,并满足临床需要,势必要对采集到的图像数据进行筛选再存入电影回放存储器。 For rational use of resources cine memory, and meet clinical needs, it is bound to the collected image data stored in the cine memory screened again. 本发明为解决此问题,给出以下方法:在进行电影存储时,首先根据帧频对图像数据采取抽样,使采样后的图像帧频恒定,假设设置为M帧/s,实际帧频为R帧/s,那么抽样频率为R/M。 The present invention solves this problem, the following methods are given: the film during storage, take a sample of the first image data according to the frame rate, the frame rate constant image sampled assumed to M frames / s, the actual frame rate is R frames / s, then the sampling frequency of R / M. 比如设定电影回放文件的变化帧频为25帧/s,而实时扫描时的实际帧频为100 Such as setting the movie frame rate of change of the playback file 25 / s, while the actual frame rate of the real-time scanning 100

帧/s,则采样得到的图像数据为扫描采集到图像数据的1/4,第1、5、9......帧图像数据被 The image data frame / s, the sampled image data for the scan acquired 1/4, the first frame of image data is 1,5,9 ......

存入电影回放存储器,其他图像数据则不存入;当R/M的值是非整数时,理论上的抽取图像为虚拟图像,比如第2. 3帧、4. 6帧等等,而实际上这样的虚拟图像数据并不存在。 Stored in cine memory, another image data is not stored; noninteger when the value R / M, in theory, a virtual image is an image extracted, such as 2.3 second, 46 frames, etc., in fact. such virtual image data does not exist. 为得到存入电影回放存储器的图像数据,本发明采用一种图像插值算法——线性插值方法来解决此问题。 To obtain the image data stored in cine memory, the present invention employs an image interpolation algorithm - linear interpolation method to resolve this problem. 插值方法如下所述: Interpolation method as follows:

[0048] 现在对线性插值算法作简要描述:首先假设相邻两帧图像的对应像素值是线性变化的,比如第m帧(m为整数)图像上坐标为(i,j)的像素点的像素值为f(i,j),第m+1帧图像上坐标为(i,j)的像素点的像素值为g(i,力,那么虚拟的第111+1^(0<=1^<1)帧图像上坐标为(i,j)的像素点的像素值为I (i,j)可由公式: [0048] The linear interpolation algorithm will now be briefly described: first assumed that the corresponding pixel values ​​of two adjacent frame images is linear, such as the m-th frame (m is an integer) of the image coordinates (i, j) of the pixel pixel value f (i, j), the m + coordinates (i, j) of an image on the pixel value g (i, force, then the first virtual ^ 111 + 1 (0 <= 1 pixel points ^ <1) on the frame image coordinates (i, j) values ​​I (i, j) by the formula:

[0049] I(i, j) = kXg(i, j) + (lk) Xf (i, j) [0049] I (i, j) = kXg (i, j) + (lk) Xf (i, j)

[0050] 获得。 [0050] obtained. 这样就获得了所有存入电影回放存储器的图像数据,从而达到了解决合理利用电影回放存储器的资源,并满足临床需要的目的。 This will get all the image data stored in the cine memory, so as to achieve a rational use of resources cine memory solutions, and to meet the objectives of the clinical need.

Claims (1)

1. 一种超声诊断设备的电影文件回放方法,其特征是,所述方法包括以下步骤: 步骤A2,超声图像诊断设备检测光标位移信号,首先判断光标位移方向,如果检测到有向左的位移量,则执行步骤A3,如果检测到向右的位移量,则执行步骤C3 ;步骤A3,检测光标位移量的大小,并与系统给定的设定值进行比较,如果大于设定值, 则执行步骤A4,否则执行步骤B4 ;步骤A4,根据所述位移量计算需要回放的电影文件的图像帧数η; 步骤Α5,逆序回放步骤Α4中计算出的η帧图像;步骤Α6,判断是否检测到退出电影回放模式信号,如果是,则退出电影回放模式,结束操作;否则返回执行步骤Α2;步骤Β4,逆序回放电影文件的一帧图像,然后执行步骤Α6 ;步骤C3,检测光标位移量的大小,并与系统给定的设定值进行比较,如果大于设定值, 则执行步骤C4,否则执行步 Movie file playback method of an ultrasonic diagnostic apparatus, characterized in that the method comprises the following steps: Step A2, the ultrasound image diagnosis apparatus detects a cursor displacement signal, the displacement direction of the cursor is first determined, if the detected displacement leftwards amount, the step A3, if the rightward displacement amount detected, step a C3; step A3, a cursor displacement amount detecting the magnitude and compared with a set value given system, if it exceeds the set value, step A4, B4 otherwise step; step A4, [eta] according to the number of image frames required displacement amount calculating movie file playback; step Α5, calculated in step reverse playback Α4 [eta] in a frame image; step Α6, determined whether to exit the cine mode signal, if so, exit the movie playback mode, the operation ends; otherwise, to step alpha] 2; step [beta] 4, reverse playback of an image of a movie file, then step [alpha] 6; step C3, detecting a cursor displacement amount size, and the system with a given set value, and if greater than the set value, step C4, otherwise go to step 骤D4 ;步骤C4,循环顺序连续播放电影文件存储器中所有的图像,即当回放到最后一帧图像后,再从第一帧开始继续播放;同时执行步骤Α6 ;步骤D4,系统顺序播放电影文件的一帧图像,然后执行步骤Α6。 D4 step; step C4, continuous playback of all loop sequence of image memory movie files, i.e., when the playback to the last frame image, and then continue to play from the first frame; [alpha] 6 while performing step; step D4, the order of play movie file system of an image, and the step Α6.
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