CN105100784A - Smoothness test method and device - Google Patents

Smoothness test method and device Download PDF

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Publication number
CN105100784A
CN105100784A CN201410160340.0A CN201410160340A CN105100784A CN 105100784 A CN105100784 A CN 105100784A CN 201410160340 A CN201410160340 A CN 201410160340A CN 105100784 A CN105100784 A CN 105100784A
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China
Prior art keywords
fluency
image change
key frame
time interval
frame images
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CN201410160340.0A
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Chinese (zh)
Inventor
吴光华
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展讯通信(上海)有限公司
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Priority to CN201410160340.0A priority Critical patent/CN105100784A/en
Publication of CN105100784A publication Critical patent/CN105100784A/en

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Abstract

The invention relates to a smoothness test method and device, and the method and device are used to test the image change smoothness of a mobile terminal. The method comprises that the time interval between frame images in the image change process is obtained; and the image change smoothness is determined based on the time interval between the frame images. The method can be used to accurately test the image change smoothness, and effectively improve the reliability and accuracy of a smoothness test result.

Description

The method of testing of fluency and device

Technical field

The present invention relates to technical field of mobile terminals, particularly relate to a kind of method of testing and device of fluency.

Background technology

Along with the fast development of various intelligent mobile terminal, user uses the frequency of mobile terminal and time also to get more and more, and user is in the process using mobile terminal, and whether mobile terminal system is smooth, become the important indicator that user weighs its performance.

In the process of user operation mobile terminal, the display interface of mobile terminal all can change usually accordingly, to show the result of mobile terminal system response user operation, help user to understand the situation of current system execution user instruction, improve the Experience Degree of user.Such as, when user needs unlatching, turning-off mobile terminal, unlatching animation and closedown animation usually all can be had accordingly to show.

Usually, the dynamic menu of the interface change that we see, be made up of multiframe tableaux, the essence of animation is the characteristic of the persistence of vision utilizing human eye, makes people feel the change of picture, when animation display is more smooth time, the sensation of our human eye can be more comfortable, and user experience also can be better, and if animation display not smooth, occur that card pauses, the phenomenon of shake, the Experience Degree of user will be lower.

Whether smooth operation of the image change of mobile terminal directly affects Consumer's Experience, and whether finally affecting user abandons this application, and therefore fluency performance test has very important realistic meaning for the application of developer's Optimal improvements, raising Consumer's Experience.

Existing mobile platform is tested primarily of tester's manual test for the fluency of the image change of mobile terminal, carries out operating and experiencing, provide whether smooth conclusion according to experience in conjunction with actual user's scene.Although this mode is simple closest to the actual use scenes of user, test result depends primarily on the subjective feeling of tester, therefore reliability and accuracy lower.

Summary of the invention

The problem that what the present invention solved is reliability in fluency test process, accuracy is lower.

For solving the problem, technical solution of the present invention provides a kind of method of testing of fluency, for the fluency of the image change of testing mobile terminal; Comprise:

Obtain the time interval between the two field picture in described image change process;

Based on the time interval between described two field picture, determine the fluency of described image change.

Optionally, described based on the time interval between described two field picture, determine that the fluency of described image change comprises:

The fluency of described image change is assessed with the amplitude of variation in the time interval between described two field picture.

Optionally, the time interval between described two field picture is the time interval between the key frame images in described image change process.

Optionally, described based on the time interval between described two field picture, determine that the fluency of described image change comprises:

The fluency of described image change is assessed with the amplitude of variation in the time interval between described key frame images.

Optionally, the time interval between described key frame images obtains as follows:

Obtain the temporal information of the key frame images in described image change process;

Using the difference of the temporal information of two different frame key frame images as the time interval between this two frames key frame images.

Optionally, adopt the amplitude of variation in the time interval between adjacent key frame images to determine the fluency of described image change.

Optionally, the method for testing of described fluency also comprises: the imaging device being more than or equal to 90 two field pictures by shooting frame number per second is taken described image change process, to obtain two field picture.

Optionally, described image change comprises the change of graphic interface when application program in mobile terminal performs.

Technical solution of the present invention also provides a kind of testing apparatus of fluency, for the fluency of the image change of testing mobile terminal; Comprise:

Acquiring unit, is suitable for obtaining the time interval between the two field picture in described image change process;

Determining unit, in the time interval between being suitable for based on described two field picture, determines the fluency of described image change.

Optionally, the time interval between the two field picture in described image change process is the time interval between the key frame images in described image change process, and described acquiring unit comprises:

Time obtains subelement, is suitable for the temporal information of the key frame images obtained in described image change process;

Difference subelement, was suitable for the difference of the temporal information of two different frame key frame images as the time interval between this two frames key frame images.

Optionally, described determining unit comprises:

Amplitude obtains subelement, is suitable for the amplitude of variation in the time interval obtained between adjacent key frame images;

Determine subelement, the amplitude of variation in the time interval between being suitable for described adjacent key frame images is to determine the fluency of described image change.

Optionally, the testing apparatus of described fluency also comprises: shooting unit, the imaging device being suitable for being more than or equal to by shooting frame number per second 90 two field pictures is taken described image change process, to obtain two field picture.

Compared with prior art, technical scheme of the present invention has the following advantages:

By obtaining the time interval between the two field picture in image change process, based on the time interval between described two field picture, test the fluency of described image change.The method can the fluency of accurate test pattern change, effectively improves reliability and the accuracy of fluency test result.

Accompanying drawing explanation

Fig. 1 is the schematic flow sheet of the method for testing of the fluency that technical solution of the present invention provides;

Fig. 2 is the schematic flow sheet of the method for testing of the fluency that the embodiment of the present invention provides;

Fig. 3 is the amplitude of variation schematic diagram in the time interval of the adjacent key frame of the mobile phone 1 that the embodiment of the present invention provides;

The amplitude of variation schematic diagram in the time interval of the adjacent key frame of the mobile phone 2 that Fig. 4 provides for the embodiment of the present invention;

Fig. 5 is the system schematic of the testing apparatus work of the fluency that the embodiment of the present invention provides;

Fig. 6 is the structural representation of the testing apparatus of the fluency that the embodiment of the present invention provides.

Embodiment

In prior art, the fluency that mobile terminal changes for interface is tested primarily of tester's manual test, carries out operating and experiencing, provide whether smooth conclusion according to experience in conjunction with actual user's scene.This mode but test result depend primarily on the subjective feeling of tester, therefore reliability and accuracy lower.

Due to mobile terminal interface change whether smooth for the application of developer's Optimal improvements, improve Consumer's Experience there is very important realistic meaning, therefore how can reliably, to carry out test to the fluency of the image change of mobile terminal be accurately those skilled in the art's problem demanding prompt solutions.

In order to solve the problem, have the fluency method of testing proposed for concrete mobile phone operation platform in prior art, but the method is only confined to concrete mobile phone operation platform, limitation is comparatively large, and implementation procedure is comparatively complicated.

In order to solve reliability in the fluency test process of mobile terminal and the lower problem of accuracy, technical solution of the present invention provides a kind of method of testing of fluency, for the fluency of the image change of testing mobile terminal.

Fig. 1 is the schematic flow sheet of the method for testing of the fluency that technical solution of the present invention provides, and as shown in Figure 1, first performs step S1, obtains the time interval between the two field picture in image change process.

When the application program of mobile terminal performs, usually, relevant image change interface can be shown, to show the implementation of described application program accordingly at the display interface of mobile terminal.

In order to the fluency of test pattern change, need first to obtain the time interval between the two field picture in described image change process.

Multiple method in prior art can be adopted to obtain the displaying time of each two field picture in image change process, and then can time interval between getting frame image based on the displaying time of each two field picture.

Perform step S2, based on the time interval between described two field picture, determine the fluency of described image change.

Whether image change process is smooth shows that whether the time interval in described image change process between two field picture is even, when image change is more smooth, the time interval between two field picture is uniform, if and image change is not smooth, when there is the phenomenons such as card pauses, shake in the process of image change, there is larger fluctuating in the time interval between two field picture accordingly.

The fluency of described image change can be assessed with the amplitude of variation in the time interval between the two field picture in image change process.

The method of testing of the fluency that technical solution of the present invention provides is based on the time interval between described two field picture, test the fluency of described image change, can the fluency of accurate test pattern change, effectively improve reliability and the accuracy of fluency test result.

For enabling above-mentioned purpose of the present invention, feature and advantage more become apparent, and are described in detail specific embodiments of the invention below in conjunction with accompanying drawing.

In the present embodiment, consider based on the time interval between the two field picture in image change process, when testing the fluency of described image change, need the displaying time of first getting frame image, and then the time interval between calculating two field picture, but because the process of image change may all can last for several seconds, or continue longer displaying time, then at this moment in the number of two field picture that obtains be larger, if all added up the displaying time of each two field picture in image change process, and and then the time interval calculated between two field picture, amount of calculation is larger, consuming time also can be longer.

The two field picture residing for the key operations in image change is referred to due to the key frame in image change process, if the change in the time interval between key frame is uniform, then for user, it visually can think that image change process is smooth, and non-key frame or be called transition frames, impact for the fluency of whole change procedure is not very large, user's more attention is the fluency of key frame, so in the present embodiment, can only obtain the time interval between the key frame images in image change process, and then based on the amplitude of variation in the time interval between key frame images, test the fluency of described image change.

For different mobile phones, due to the difference of its systematic function, refresh parameter etc., its fluency is different, then show it key frame images number, temporal information is also different.In the present embodiment, during to perform identical application program on mobile phone 1 and mobile phone 2 (such as user clicks time clock feature), the test of the fluency of the image change of mobile phone screen is that example is described.Wherein, mobile phone 1 and mobile phone 2 can be different operating system.

Fig. 2 is the schematic flow sheet of the method for the image change fluency of the testing mobile terminal that the present embodiment provides.

As shown in Figure 2, first perform step S201, obtain the frame image information of image change process.

Can be taken image change process by imaging devices such as high speed cameras, and then based on the acquiring video information frame image information of captured image change process.Such as by the software with playing function frame by frame, described video information can be play, the frame image information in video information can be obtained by this software.

In the process of mobile terminal response user operation, multiple image can be contained in image change process, quick continuous print shows described multiple image to form the effect of image motion, namely seen image altering affect, in order to make image change process more smooth, in mobile terminal system, transmission frame number (FPS, FramesPerSecond) per second is all higher.Such as, in the mobile terminals such as mobile phone, can be the refresh rate transmission frame image of 30 or 60 with FPS.

In the present embodiment, the image change process when camera that can be more than or equal to 90 two field pictures by shooting frame number per second performs clock application program to mobile phone 1 and mobile phone 2 is respectively taken, with getting frame image information.

Shooting frame number per second is adopted to be more than or equal to the camera of 90 two field pictures in the present embodiment, consider that the transmission frame number FPS per second of usual cell phone system is 60, in order to take each two field picture in image change process, the camera that frame number can be adopted to be more than or equal to 90 two field pictures is taken described image change process, with getting frame image.

Perform step S202, extract the key frame images in the frame image information of described image change process.

Respectively to the key frame images extracted the video information captured by mobile phone 1 and mobile phone 2 in image change process, obtain corresponding to the key frame images of mobile phone 1 and corresponding to the key frame images of mobile phone 2.

Video information captured during to perform clock application program to mobile phone 1 and mobile phone 2; click clock application program user to start; mobile phone screen can show the image entering clock interface usually accordingly; screen is clicked from user; multiple image is had in the middle of complete read clock interface; wherein, the frame that the two field picture etc. that such as hand clicks the two field picture of screen, clock interface occurs changes can be extracted as key frame images.

The extraction of key frame images can adopt such as based on the extracting method of the key frame images of kernel clustering, or the method etc. of the extraction key frame images based on two field picture color characteristic and block movable information, those skilled in the art can adopt the key frame images in the method acquisition image change process of multiple extraction key frame images, do not describe in detail at this.

Perform step S203, obtain the temporal information of described key frame images.

In order to obtain mobile phone 1 and mobile phone 2 divide the temporal information of the key frame images of other correspondence, first can obtain the temporal information to each two field picture in the video information captured by mobile phone 1 and mobile phone 2 by the method for the temporal information obtaining two field picture in video information in prior art.

Can by the temporal information of multiple method acquisition of the prior art to the two field picture in the video information captured by mobile phone 1 and mobile phone 2.Such as by the software with playing function frame by frame, described video information can be play, the temporal information of each two field picture in video information can be obtained by this software.After the temporal information of each two field picture obtained in video information, and then by the key frame images in image change process when mobile phone 1 determined in step S202 and mobile phone 2 executive utility, can obtain mobile phone 1 and mobile phone 2 divide the temporal information of the key frame images of other correspondence.

In the present embodiment, sets forth the temporal information of the key frame images in image change process when mobile phone 1 and mobile phone 2 perform timing routine.

Key frame images temporal information in image change process when performing timing routine in mobile phone 1 refers to table one.

Table one

Frame number Time (second) The time interval (second) Key frame 1 35.218 Key frame 2 35.921 0.703 Key frame 3 35.953 0.032 Key frame 4 36.718 0.765 Key frame 5 36.75 0.032 Key frame 6 38.406 1.656 Key frame 7 38.437 0.031

As shown in Table 1,7 frame key frame images are extracted altogether to the video information captured by mobile phone 1, the priority time sequencing that when playing according to described video information, each key frame images occurs, be expressed as key frame 1 to key frame 7, wherein, the time of key frame 1 is 35.218 seconds, and the time of key frame 2 is 35.921 seconds, the like, record the temporal information of each key frame.

The time interval information between adjacent key frame images is also show, for the test of the follow-up fluency to image change in table one.In table one key frame 2 time interval of being expert at 0.703 second time interval corresponding and referring between key frame 2 and key frame 1, be the difference of the 35.921 seconds time of key frame 2 and the 35.218 seconds time of key frame 1.The like, in table one each frame the corresponding time interval of being expert at refer to time interval between the former frame key frame images that this key frame images is adjacent.

Key frame images temporal information in image change process when performing timing routine in mobile phone 2 refers to table two.

Table two

Frame number Time (second) The time interval (second) Key frame A 31.437 Key frame B 31.531 0.094 Key frame C 31.562 0.031 Key frame D 31.593 0.031 Key frame E 31.625 0.032 Key frame F 31.656 0.031 Key frame G 31.687 0.031 Key frame H 31.718 0.031 Key frame I 31.75 0.032 Key frame J 31.781 0.031 Key frame K 31.812 0.031

Key frame L 31.843 0.031 Key frame M 31.875 0.032 Key frame N 31.921 0.046

As shown in Table 2,14 frame key frame images are extracted altogether to the video information captured by mobile phone 2, the priority time sequencing that when playing according to described video information, each key frame images occurs, be expressed as key frame A to key frame N, such as, the time of key frame A is 31.437 seconds, and the time of key frame B is 31.531 seconds, the like, record the temporal information of each key frame.

The time interval information between adjacent key frame images is also show, for the test of the follow-up fluency to image change in table two.In table two each frame of key frame the corresponding time interval of being expert at refer to time interval between the former frame key frame images that this key frame images is adjacent, such as key frame B time interval of being expert at 0.094 second time interval corresponding and referring between key frame B and key frame A, be the difference of the 31.531 seconds time of key frame B and the 31.437 seconds time of key frame A.

Perform step S204, obtain the time interval between adjacent key frame images.

The time interval between obtaining respectively the adjacent key frame images extracted in the video information captured by mobile phone 1 and mobile phone 2.When calculating the time interval between adjacent key frame images, time of former frame key frame images can be deducted with the time interval of current key two field picture, obtain the time interval between current frame image and its former frame key frame images, also can by asking for the time difference between adjacent two frame key frame images the time interval that absolute value obtains these adjacent two frame key frame images.

Can see table one and table two to the result of calculation in the time interval between the adjacent key frame images extracted in the video information captured by mobile phone 1 and mobile phone 2.

Perform step S205, carry out the fluency of evaluate image change with the amplitude of variation in the time interval between described adjacent key frame images.

Can respectively based on the fluency that the amplitude of variation test pattern in the time interval between the adjacent key frame images corresponding to mobile phone 1 and mobile phone 2 changes.

If mobile phone is in the process of executive utility, the amplitude of variation in the time interval between the adjacent key frame images in the video information captured by camera is larger, the change in the time interval namely between each adjacent key frame images is not uniform, the time interval between the adjacent key frame images of part is larger, and time interval between the adjacent key frame images of part is smaller, then illustrate in the process of image change, there is the phenomenons such as card pauses, image change is not smooth, if and the time interval between each adjacent key frame images is identical substantially, difference is smaller, then illustrate image change time smoothly, there is not the phenomenon that card pauses, image change is more smooth.

The time interval between the adjacent key frame of mobile phone 1 shown by table one when performing timing routine, the amplitude of variation schematic diagram in the time interval of the adjacent key frame of the mobile phone 1 that can be gone out as shown in Figure 3, in Fig. 3, transverse axis represents keyframe sequence, the longitudinal axis represents the time interval value of adjacent key frame images, as can be seen from Figure 3, the amplitude of variation in the time interval between the adjacent key frame of mobile phone 1 when performing timing routine is larger, can determine that mobile phone 1 image change when performing timing routine is slack.

The time interval between the adjacent key frame of mobile phone 2 shown by table two when performing timing routine, the amplitude of variation schematic diagram in the time interval of the adjacent key frame of the mobile phone 2 that can be gone out as shown in Figure 4, in Fig. 4, transverse axis represents keyframe sequence, the longitudinal axis represents the time interval value of adjacent key frame images, as can be seen from Figure 4, the amplitude of variation in the time interval between the adjacent key frame of mobile phone 2 when performing timing routine is uniform, time interval change between any two adjacent key frame images is smaller, can determine that mobile phone 2 image change when performing timing routine is smooth.

The method of testing of the fluency for image change during mobile phone executive utility that the present embodiment provides, be different from the fluency method of testing for the image change of mobile terminal in prior art, primarily of tester's manual test in prior art, result depends primarily on the subjective feeling of tester, and the method for testing of the fluency that the present embodiment provides accurately can determine the fluency of image change based on the amplitude of variation in the time interval between adjacent key frame images, effectively improve reliability and the accuracy of fluency test result.

It should be noted that, according to the amplitude of variation in the time interval between key frame images adjacent in image change process, the key frame images that amplitude of variation is larger can be determined, also slack place in place's image change can namely be determined, the place organizing the optimization of research staff's finder needs can be helped, slack problem can be solved targetedly based on this information.

In the present embodiment; whether the amplitude of variation test pattern change procedure based on the time interval between adjacent key frame images is smooth; in other embodiments; also can test the fluency of amplitude of variation to image change in time interval between other two field pictures; and the time interval be not limited only between adjacent key frame images; any method whether smooth based on the time interval test pattern change between two field picture, all belongs to the scope of protection of the invention.

In the present embodiment, based on the fluency of the amplitude of variation determination image change in the time interval between adjacent key frame images, in other embodiments, also can test based on the fluency of the means such as amplitude of variation to image change of the difference in the time interval between described two field picture.

Corresponding to the method for testing of the fluency that above-described embodiment provides, the embodiment of the present invention also provides a kind of testing apparatus of fluency.

The system schematic of the testing apparatus work of fluency as shown in Figure 5, when the fluency of the image change to mobile terminal 30 is tested, can be taken by the image change process of imaging device 20 pairs of mobile terminals 30, and captured video information is outputted in the testing apparatus 10 of fluency, by the testing apparatus 10 of described fluency, to assess the fluency of the image change of mobile terminal 30.

Fig. 6 is the structural representation of the testing apparatus of the fluency that the present embodiment provides, and as shown in Figure 6, the testing apparatus 10 of described fluency comprises acquiring unit U61, determining unit U62.

Described acquiring unit U61, is suitable for obtaining the time interval between the two field picture in described image change process.

Described determining unit U62, in the time interval between being suitable for based on described two field picture, determines the fluency of described image change.

Described acquiring unit U61 comprises time acquisition subelement U610, difference subelement U611.

The described time obtains the temporal information that subelement U610 is suitable for the key frame images obtained in described image change process.

Described difference subelement U611, was suitable for the difference of the temporal information of two different frame key frame images as the time interval between this two frames key frame images.

Described determining unit U62 comprises amplitude and obtains subelement U620, determines subelement U621.

Described amplitude obtains subelement U620, is suitable for the amplitude of variation in the time interval obtained between adjacent key frame images.

Describedly determine subelement U621, the amplitude of variation in the time interval between being suitable for described adjacent key frame images is to determine the fluency of described image change.

It should be noted that, described imaging device 20 can refer to that shooting frame number per second is more than or equal to the imaging device of 90 two field pictures, is taken, can obtain the two field picture in image change process by described imaging device 20 to described image change process.

In other embodiments, in the system schematic of the testing apparatus work of fluency illustrated in fig. 5, also described imaging device 20 can not be comprised, but in the testing apparatus 10 of described fluency, be provided with corresponding shooting unit (not shown), the imaging device that described shooting unit is suitable for being more than or equal to by shooting frame number per second 90 two field pictures is taken described image change process, to obtain two field picture.

Although the present invention discloses as above, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.

Claims (12)

1. a method of testing for fluency, for the fluency of the image change of testing mobile terminal; It is characterized in that, comprising:
Obtain the time interval between the two field picture in described image change process;
Based on the time interval between described two field picture, determine the fluency of described image change.
2. the method for testing of fluency as claimed in claim 1, is characterized in that, described based on the time interval between described two field picture, determines that the fluency of described image change comprises:
The fluency of described image change is assessed with the amplitude of variation in the time interval between described two field picture.
3. the method for testing of fluency as claimed in claim 1, it is characterized in that, the time interval between described two field picture is the time interval between the key frame images in described image change process.
4. the method for testing of fluency as claimed in claim 3, is characterized in that, described based on the time interval between described two field picture, determines that the fluency of described image change comprises:
The fluency of described image change is assessed with the amplitude of variation in the time interval between described key frame images.
5. the method for testing of fluency as claimed in claim 3, it is characterized in that, the time interval between described key frame images obtains as follows:
Obtain the temporal information of the key frame images in described image change process;
Using the difference of the temporal information of two different frame key frame images as the time interval between this two frames key frame images.
6. the method for testing of fluency as claimed in claim 3, is characterized in that, adopt the amplitude of variation in the time interval between adjacent key frame images to determine the fluency of described image change.
7. the method for testing of fluency as claimed in claim 1, is characterized in that, also comprise: the imaging device being more than or equal to 90 two field pictures by shooting frame number per second is taken, to obtain two field picture described image change process.
8. the method for testing of fluency as claimed in claim 1, is characterized in that, the change of graphic interface when described image change comprises that in mobile terminal, application program performs.
9. a testing apparatus for fluency, for the fluency of the image change of testing mobile terminal; It is characterized in that, comprising:
Acquiring unit, is suitable for obtaining the time interval between the two field picture in described image change process;
Determining unit, in the time interval between being suitable for based on described two field picture, determines the fluency of described image change.
10. the testing apparatus of fluency as claimed in claim 9, it is characterized in that, the time interval between the two field picture in described image change process is the time interval between the key frame images in described image change process, and described acquiring unit comprises:
Time obtains subelement, is suitable for the temporal information of the key frame images obtained in described image change process;
Difference subelement, was suitable for the difference of the temporal information of two different frame key frame images as the time interval between this two frames key frame images.
The testing apparatus of 11. fluency as claimed in claim 10, it is characterized in that, described determining unit comprises:
Amplitude obtains subelement, is suitable for the amplitude of variation in the time interval obtained between adjacent key frame images;
Determine subelement, the amplitude of variation in the time interval between being suitable for described adjacent key frame images is to determine the fluency of described image change.
12. the testing apparatus of fluency as claimed in claim 9, is characterized in that, also comprise: shooting unit, the imaging device being suitable for being more than or equal to by shooting frame number per second 90 two field pictures is taken described image change process, to obtain two field picture.
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