CN101304478A - Image quality adjustment device, image quality adjustment method and program - Google Patents
Image quality adjustment device, image quality adjustment method and program Download PDFInfo
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- CN101304478A CN101304478A CNA2008100913885A CN200810091388A CN101304478A CN 101304478 A CN101304478 A CN 101304478A CN A2008100913885 A CNA2008100913885 A CN A2008100913885A CN 200810091388 A CN200810091388 A CN 200810091388A CN 101304478 A CN101304478 A CN 101304478A
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Abstract
The present invention provides an image quality adjustment device capable of generating an image of a highest image quality for an input image. The image quality adjustment device which adjusts image quality of an input image by applying different image quality settings to the input image includes: pieces of order information each of which indicates an order for applying plural image quality settings, a selection unit which selects optimal order information having a maximum evaluation value, and an adjustment unit which adjusts an image quality of input image based on the optimal order information.
Description
Technical field
The present invention relates to a kind of image quality adjustment device, image quality adjustment method and program by input picture being used a plurality of different picture qualities set the adjustment of carries out image quality to handle.
Background technology
In recent years, large-screenization, the height of LCD TV and plasm TV etc. becomes more meticulous in development, and the requirement of the equipment of the image of high image quality (video) reproduction improves year by year to carrying out more.
Under this situation, image-reproducing means also reproduces the various images of image transmission, BD (Blu-ray Disc) and the contour precise image of HD-DVD (High-Definition DigitalVersatile Disc) etc. that have used the Internet except the existing reconstruction of image based on VHS (Video Home System) and DVD (Digital Versatile Disc) etc.At this moment, most use image quality adjustment devices that image-reproducing means had carry out the predetermined picture quality adjustment processing to the image of being imported.
At this moment, the user sets the parameter relevant with various picture qualities, so that obtain the more image of high image quality.As the parameter relevant, a large amount of parameters such as brightness, colourity, color balance, contrast, gamma, acutance, UCR (Under Color Removal) processing, screen line number, noise removal process are arranged with various picture qualities.Image quality adjustment device is suitable for each picture quality successively to the image of being imported and sets, thus the image of output adjustment according to each parameter that sets.Here, so-called picture quality sets that the parameter that is meant and sets is complementary and the picture quality that changes input picture.
The setting of above-mentioned parameter is difficult to clear desired operation concerning general user, very numerous and diverse and pretty troublesome.Therefore, the technology shown in the patent documentation 1 has been proposed.Image quality adjustment device shown in the patent documentation 1 carries out the setting of each parameter automatically, and carries out picture quality according to each parameter and set, thus the image that output is adjusted.Thus, the user does not need to carry out complicated parameter and sets, and can obtain the image of high image quality automatically.
[patent documentation 1] TOHKEMY 2006-234869 communique
But, when carrying out picture quality adjustment that a plurality of different picture qualities set and handle, if picture quality comprises irreversible processing in setting, the execution sequence of setting according to picture quality then, the picture quality difference of final adjusted output image.For example, change carry out after the contrast noise removal process adjusted image, with carry out noise removal process and change in the adjusted image of contrast the picture quality difference of output image afterwards.In existing image quality adjustment device, because the suitable order that the picture quality of suitable parameters is set is fixed, so have for input picture, adjusted image is not to be the problem of the picture quality of the best usually.
Summary of the invention
Therefore, the present invention makes in view of the above problems, its objective is that providing a kind of can access picture quality the highest image quality in images adjusting device and image quality adjustment method for input picture.
To achieve these goals, image quality adjustment device among the present invention, by being suitable for a plurality of different picture qualities, input picture sets, adjust the picture quality of described input picture, comprise: administrative unit, obtain the evaluation of estimate of the appropriateness of a plurality of order informations of the suitable order that the described a plurality of picture qualities of expression set and and order of representation corresponding, and manage with described order information; Selected cell, the optimal sequence information of the described evaluation of estimate maximum of selection from described a plurality of order informations; Adjustment unit according to described optimal sequence information, is adjusted the picture quality of described input picture.
According to this structure, can come the adjustment of carries out image quality to handle with optimal sequence, and input picture is obtained the highest image of picture quality.
All right in addition, described selected cell was also carried out the selective sequential of selecting not corresponding with described evaluation of estimate order information and is handled before selecting described optimal sequence information; Described adjustment unit is adjusted the picture quality of described input picture according to selected described order information; Described image quality adjustment device also comprises evaluation unit, and image after the adjustment that obtains by described adjustment unit adjustment picture quality is estimated; Described administrative unit obtains the evaluation result based on described evaluation unit, and manages as described evaluation of estimate.Have, described selected cell can also be carried out described selective sequential and handle, up to obtaining the evaluation of estimate corresponding with all order informations again.
According to this structure, the evaluation of estimate of the image imported can be used for determining of optimal sequence, and can obtain the highest image of picture quality.
In addition, described selected cell can also be carried out described selective sequential and handle, up to obtaining the evaluation of estimate corresponding with the order information of all predetermined number.
According to this structure, can reduce with the picture quality adjustment and handle relevant treating capacity.
Have, described image quality adjustment device can also comprise the termination indicating member again, and described selected cell is exported in the termination indication of representing the termination that described selective sequential is handled; Described selected cell is indicated according to described termination, and end described selective sequential and handle, and from the resulting order information of ending of the moment, selecting described optimal sequence information.
According to this structure, can end the picture quality adjustment and handle not requiring the image that improves picture quality, handle relevant treating capacity thereby can reduce with the picture quality adjustment.
Have, described termination indicating member can also be exported described termination indication to described selected cell according to the setting of software or outside terminal again.
According to this structure, can handle relevant treating capacity thereby can reduce by determine described termination indication from the setting of software or outside terminal with the picture quality adjustment.
In addition, described termination indicating member can be by the described evaluation of estimate of adjusting the back image of described evaluation unit input, and described evaluation of estimate is exported described termination indication to described selected cell when having surpassed predetermined threshold value.And described termination indicating member, also can be in evaluation of estimate by the described adjustment of described evaluation unit input back image, and when described evaluation of estimate and the difference that has been stored in any evaluation of estimate in the described administrative unit have surpassed predetermined threshold value, export described termination indication to described selected cell.
According to this structure, can determine described termination indication according to the evaluation of estimate of the image of being imported, and can end to adjust and handle in the moment of the image that has obtained being adjusted into the picture quality that satisfies very much.Thus, can reduce and the relevant treating capacity of picture quality adjustment.
In addition, described termination indicating member can be exported described termination indication to described selected cell according to the decoder input information by the decoder input.And described decoder input information can be any in special reproduction information, chapters and sections start information and the size of code information.
According to this structure, can handle relevant treating capacity thereby can reduce by determining to end indication from the decoder input information of decoder input with unnecessary picture quality adjustment.
Have, described evaluation unit can be estimated having dwindled the described downscaled images of adjusting the back image again.And described evaluation unit can cut out image evaluation to what a described part of adjusting the back image cut out.
According to this structure, can reduce the image data amount that becomes evaluation object, thereby can reduce the treating capacity relevant with image quality evaluation.
Have, described evaluation unit can switch mutual different the 1st evaluation method and the 2nd evaluation methods of evaluation precision to be estimated again.
According to this structure, can reduce the treating capacity relevant with image quality evaluation.
Having, can be described administrative unit to each order information storage selection marker again, and described selection marker represents whether be the order information of object that becomes the selection of described selected cell; Described selected cell is according to described selection marker, selecting sequence information.
According to this structure, the order information that becomes alternative by appointment can not carry out unnecessary selection processing, thereby can reduce the treating capacity relevant with picture quality adjustment processing.
Having, can be that described input picture comprises the 1st input picture and the 2nd input picture again; Described image quality adjustment device also comprises the similitude judging unit, judge the similitude of at least one evaluation of estimate of the evaluation of estimate of described the 1st input picture and described the 2nd input picture, and when similitude is approved, but the order dual-purpose information of order of representation information dual-purpose is exported to described administrative unit; Described administrative unit when having imported described order dual-purpose information, corresponds to the evaluation of estimate of described the 1st input picture the evaluation of estimate of described the 2nd input picture.And, can be that described input picture comprises the 1st input picture and the 2nd input picture; Described image quality adjustment device also comprises the similitude judging unit, judge the similitude of at least one evaluation of estimate of the evaluation of estimate of described the 1st input picture and described the 2nd input picture, and when similitude is approved, but the order dual-purpose information of order of representation information dual-purpose is exported to described selected cell; Described selected cell when adjusting the picture quality of described the 2nd input picture, is selected the optimal sequence information to described the 1st input picture according to described order dual-purpose information.
According to this structure, when the image quality evaluation values of a plurality of input pictures detects similitude, can reduce with the picture quality adjustment by the dual-purpose order information and handle relevant treating capacity.
In addition, can be that described image quality adjustment device also comprises the size comparing unit, the relatively size of two input pictures, and the image that size is little is defined as described the 1st input picture, and the image that size is big is defined as described the 2nd input picture; Described selected cell is also carried out described selective sequential to described the 1st input picture and is handled, and does not handle and described the 2nd input picture is not carried out described selective sequential.And, can be that described image quality adjustment device also comprises the picture-in-picture judging unit, detect pip image, and the inboard image of picture-in-picture is defined as described the 1st input picture, picture-in-picture outside image is defined as the described the 2nd input picture; Described selected cell is also carried out described selective sequential to described the 1st input picture and is handled, and does not handle and described the 2nd input picture is not carried out described selective sequential.
According to this structure, can preferentially carry out the picture quality adjustment to data volume image still less, adjust relevant treating capacity thereby can reduce with picture quality.
Image of the present invention (video) transcriber, comprise described image quality adjustment device and write down the record image data device, and the image that is recorded in described tape deck is reproduced, it is characterized in that described image quality adjustment device is adjusted the described image quality in images in reproducing; Described image-reproducing means comprises: effective or invalid sign and the described optimal sequence information of optimal sequence information when data storage cell, storage representation reproduced last time; The writing information holding unit keeps the described optimal sequence information by described selected cell notice; Write control unit when the content that is kept by said write information holding unit has reached predetermined volumes, carries out on the precalculated position of described data storage cell record and is maintained at the content in the said write information holding unit and the control of described sign.
In addition, described image-reproducing means can also comprise: the sign identifying unit, and when current the reproduction, read described sign, and judge that described sign is effectively still invalid from described data storage cell; Read-out control unit is accepted the judged result based on described sign identifying unit, when described sign is effective, reads described optimal sequence information from described data storage cell.And, can be that described data storage cell is contained in described tape deck, and described sign and described optimal sequence information and reproduced image are stored accordingly; Described sign identifying unit when the reproduction of new images, read with reproduce in the corresponding described sign of described image, and judge that described sign is effectively still invalid.
According to this structure, input picture and the optimal sequence information that picture quality adjustment order can have been determined are preserved accordingly, and when next output image, use the optimal sequence information preserved to carry out the picture quality adjustment and handle, thereby relevant treating capacity is handled in the picture quality adjustment can reduce with next image output the time.
Have again, can be described data storage cell also storage representation make the synchronizing information of described optimal sequence information and described image synchronization; Described read-out control unit is synchronously read described optimal sequence information also according to described synchronizing information with the input picture that is imported into described image quality adjustment device.
According to this structure, input picture and the optimal sequence information that the picture quality adjustment is determined in proper order can be kept at tape deck, and when next output image, corresponding optimal sequence information is carried out the picture quality adjustment when using with image synchronization, thus the relevant treating capacity of picture quality adjustment processing can reduce with next image output the time.
Have again, image quality adjustment device of the present invention not only can be used as device and realizes, also can be used as the processing unit that constitutes this device is realized as the image quality adjustment method of step, or realize, or realize as the recording mediums such as CD-ROM of the embodied on computer readable that has write down this program as the program that makes computer carry out these steps.
The invention effect
According to based on image quality adjustment device of the present invention, can obtain the highest image of picture quality to input picture.
Description of drawings
Fig. 1 is the block diagram of the image quality adjustment device of embodiments of the present invention 1.
Fig. 2 A is the figure of an example of expression management information.
Fig. 2 B is the figure of an example of expression management information.
Fig. 3 is the flow chart of action of the image quality adjustment device of expression embodiments of the present invention 1.
Fig. 4 is the block diagram of the image quality adjustment device of embodiments of the present invention 2.
Fig. 5 A is the block diagram of the concrete example of the determination portion that has of expression image quality adjustment device of the present invention.
Fig. 5 B is the block diagram of the concrete example of the determination portion that has of expression image quality adjustment device of the present invention.
Fig. 5 C is the block diagram of the concrete example of the determination portion that has of expression image quality adjustment device of the present invention.
Fig. 5 D is the block diagram of the concrete example of the determination portion that has of expression image quality adjustment device of the present invention.
Fig. 5 E is the block diagram of the concrete example of the determination portion that has of expression image quality adjustment device of the present invention.
Fig. 6 is the block diagram of the image quality adjustment device of embodiments of the present invention 3.
Fig. 7 is the block diagram of the image quality adjustment device of embodiments of the present invention 4.
Fig. 8 A is the block diagram of the concrete example of the Evaluation and Control portion that has of expression image quality adjustment device of the present invention.
Fig. 8 B is the block diagram of the concrete example of the Evaluation and Control portion that has of expression image quality adjustment device of the present invention.
Fig. 8 C is the block diagram of the concrete example of the Evaluation and Control portion that has of expression image quality adjustment device of the present invention.
Fig. 9 is the block diagram of the image quality adjustment device of embodiments of the present invention 5.
Figure 10 is the flow chart of action of the image quality adjustment device of expression embodiments of the present invention 5.
Figure 11 is the block diagram of the image quality adjustment device of embodiments of the present invention 5.
Figure 12 is the block diagram of the image quality adjustment device of embodiments of the present invention 5.
Figure 13 is the block diagram of the image-reproducing means of embodiments of the present invention 6.
The flow chart of the action when Figure 14 A is first reproduces of image-reproducing means of expression embodiments of the present invention 6.
The flow chart of the action when Figure 14 B is the reproducing once more of image-reproducing means of expression embodiments of the present invention 6.
Figure 15 is the block diagram of different modes of the image-reproducing means of expression embodiments of the present invention 6;
Figure 16 is the figure of an example of each information of expression embodiments of the present invention 6.
Symbol description
1,1a, 1b, 1c, 1d, 1e image quality adjustment device
2 management departments
3 selection portions
4 adjustment parts
5 parameter maintaining parts
6 evaluation portions
7 input buffers
8 output states
9,61 tape decks
10 image output devices
20 end instruction unit
21,21a, 21b determination portion
22 software set obtaining sections
23 outside terminals are set obtaining section
24,42 decoding devices
25 special reproduction information test sections
26 chapters and sections begin test section
27 size of code information test sections
28 Evaluation and Control portions
29 images cut out portion
30 images dwindle portion
31 evaluation method switching parts
40 similitude judging parts
41 picture-in-picture judging parts
43 size comparing sections
50 data store
51 writing information maintaining parts
52 write control part
53 sign detection units
54 read-out control parts
55 Synchronous Processing portions
62 read special recording device
63 data recording equipments
100,120,121,130 original digital image datas
101 management information
102 order informations
103 evaluations of estimate
104 parameters
105 adjust the back view data
106 view data
107 selection markers
110 end indication
111,111b determines information
112 setting datas
113 set level
114 special reproduction information
115 chapters and sections start informations
116 size of code information
117 cut out view data
118 down scaling image data
119 evaluation method handover informations
122 order dual-purpose information
123 inboard image prior informations
124 pip image information
125 small-sized image prior informations
131 optimal sequence information
132 signs
133 result of determination
134 synchronizing informations
135 correspondence image information
Embodiment
Below, according to execution mode, with reference to the accompanying drawings, image quality adjustment device of the present invention is described.In addition, carry out same action, so omit explanation once more sometimes owing in execution mode, added the inscape of same-sign.
(execution mode 1)
Image quality adjustment device in the present embodiment is can carry out the picture quality adjustment to input picture with the order of the best to handle, and obtains the highest image quality in images adjusting device of picture quality.
Fig. 1 is the block diagram of the image quality adjustment device in the present embodiment.The image quality adjustment device 1 of this figure comprises management department 2, selection portion 3, adjustment part 4, parameter maintaining part 5, evaluation portion 6, input buffer 7 and output state 8.
Evaluation of estimate 103 is to have estimated the data of adjusting the back view data, is with assessment items such as graininess, definition, gamma characteristic, color renditions, represents the evaluation of estimate of the synthetic image quality that the people feels relatively with feeling good of people.Details is described in the patent documentation 1.
As an example, have and various setting corresponding parameters such as brightness, colourity, color balance, contrast, gamma, acutance, UCR processing, screen line number, noise removal process in the parameter 104.
The picture quality of view data 105 after the adjustment that 6 evaluations of evaluation portion are obtained by adjustment part 4 carries out image quality adjustment.And, export the evaluation of estimate 103 that obtains by assess image quality to management department 2.
The original digital image data 100 that input buffer 7 storages obtain from tape deck 9.
The preferably non-volatile recording medium of parameter maintaining part 5, input buffer 7 and output state 8, but also can realize by the recording medium of volatibility.
Here, be illustrated in order that a plurality of picture qualities of adjustment part 4 carrying out set not simultaneously, adjust the different example of evaluation of estimate 103 of back view data 105.
For example, order information 102 is comprised noise removal process and emphasizing contour handle, and, be described from the clear-cut of the image of input buffer 7 inputs and the situation that comprises the image of the noise that will remove.Clear-cut and the image that comprises the noise that will remove for example are animated image or CG (Computer Graphics) etc.
At this moment, under the situation of having carried out the emphasizing contour processing before the noise removal process, when detecting, might survey noise by flase drop as emphasizing contour contours of objects line.Therefore, be outline line with noise measuring, and emphasize detected noise, so instead picture quality might worsen.That is, evaluation of estimate 103 reduces.
On the contrary, before handling, carries out under the situation of noise removal process emphasizing contour, owing to when the detection wheel profile, removed noise, so noise can not emphasized.Therefore, picture quality improves evaluation of estimate 103 raisings.
In addition, these are an example all the time, distinguishing at need of this image of for example picture with scenes and noise, the value of evaluation of estimate 103 much at one, and the sequence independence of setting with picture quality.
As mentioned above, consider the order set according to picture quality, the situation that evaluation of estimate 103 is different.According to the image quality adjustment device of present embodiment,, can obtain the image of good image quality by the optimal sequence of selecting picture quality to set.
Then, according to flow chart shown in Figure 3, the action of the image quality adjustment device in the present embodiment is described.
Order information in the management information 101 of storage in 3 pairs of management departments 2 of selection portion judges whether to have obtained evaluation of estimate 103 (S301).
When all order informations 102 not being obtained evaluation of estimate 103 ("No" among the S301), selection portion 3 is carried out selective sequential and is handled (S302).Selective sequential is handled and is meant order information 102 that does not obtain evaluation of estimate 103 of selection from the management information 101 that is stored in management department 2, and selected order information 102 is exported to adjustment part 4.Adjustment part 4 is obtained parameter 104 according to order information 102 from parameter maintaining part 5.And, the original digital image data of importing through input buffer 7 from tape deck 9 100 is carried out the picture quality adjustment, and adjusted view data 105 is stored in (S303) in the output state 8.
The method of image quality evaluation is as follows.Beginning is with the evaluation function of estimating projects such as graininess, definition, gamma characteristic, color rendition, by each character assess image quality.Secondly, with the evaluation result of each project, calculate the evaluation of estimate 103 of the sensation of representing synthetic image quality that the people feels and people very relatively.Details is described in the patent documentation 1.
The evaluation of estimate 103 corresponding management information 101 (S305) that management department's 2 storages make order information 102 and import from evaluation portion 6.In the moment that evaluation of estimate 103 newly is added to management information 101, return the judgment processing (S301) that has or not evaluation of estimate, and till obtaining all evaluations of estimate 103, repeat to handle (S302) processing to the stores processor (S305) of management information from selective sequential.
When all order informations 102 have been obtained evaluation of estimate 103 ("Yes" among the S301), selection portion 3 is selected the optimal sequence information of evaluation of estimate maximum from resulting evaluation of estimate 103, and selected optimal sequence information is exported to adjustment part 4 (S306).Here, when having a plurality of optimal sequence information, select one of them.And adjustment part 4 is according to this optimal sequence information, and the carries out image quality is adjusted (S307), and through output state 8 view data 105 (S308) after image output device 10 outputs are adjusted.
More than, according to present embodiment, can carry out the picture quality adjustment by the order that input picture is obtained the highest image of picture quality and handle.
In addition, in the present embodiment, till all order informations are obtained evaluation of estimate, carried out selective sequential processing, picture quality adjustment processing and estimated processing, but do not need and to carry out all order informations, can limit the order information that to select in advance yet by setting.
For example, in order to limit the order information that to select, also can in management information 101, selection marker 107 and order information 102 be stored accordingly.
Selection marker 107 is the signs whether corresponding order information of expression becomes the alternative of selection portion 3.Shown in Fig. 2 B, have only selection marker effectively the order information of (circle of this figure) just become the object that the selective sequential of selection portion 3 is handled.
In addition, in the present embodiment, the picture quality of view data 105 is estimated after 6 pairs of adjustment of evaluation portion, with respect to this, also can constitute the picture quality of estimating original digital image data 100, and store this evaluation of estimate 103.
According to this structure, can store the evaluation of estimate of original digital image data, can calculate and adjust back view data and original digital image data how high compare picture quality.
(execution mode 2)
Image quality adjustment device in the present embodiment constitutes the selective sequential treatment limits shown in the execution mode 1 to be necessary Min. and to reduce treating capacity.Promptly, the image quality adjustment device carries out image quality adjustment of execution mode 1 is handled, up to obtaining and the corresponding evaluation of estimate of all order informations that becomes the object that selective sequential handles, with respect to this, the image quality adjustment device of present embodiment need not obtain all evaluations of estimate, just can obtain the image of high image quality.
Fig. 4 is the block diagram of the image quality adjustment device 1a in the present embodiment.The structure of Fig. 4 is compared with the structure of Fig. 1, and difference is also to have increased termination instruction unit 20 and determination portion 21.Below, identical point is omitted explanation, and be that the center describes with the difference.
Ending instruction unit 20 will indicate the termination indication 110 of ending the processing of selecting sequence information 102 from management information 101 to export to selection portion 3.End indication 110 to represent that can the definite information 111 that end serve as that the basis generates.
Ending instruction unit 20 and determination portion 21 is made of MPU and memory etc. usually.The processing sequence of each one is realized by software, and this software records is at recording mediums such as ROM.In addition, each one also can be made of hardware (special circuit).
The action of the image quality adjustment device of present embodiment then, is described.
Before the action of image quality adjustment device 1a or in the action, determination portion 21 will be ended instruction unit 20 based on exporting to from definite information 111 of the setting of software.End instruction unit 20 to determine information 111, will end indication 110 and export to selection portion 3.
When the adjustment of beginning picture quality is handled, imported and ended under the situation of indication 110 to selection portion 3, image quality adjustment device 1a of the present invention does not carry out the processing from the judgment processing that has or not evaluation of estimate (S301) of Fig. 3 to the stores processor (S305) of management information, handles (S306) processing to the output processing (S308) of adjusting the back image and carry out from the selection of optimal sequence information.The selection of optimal sequence information is handled in (S306), and selection portion 3 does not also obtain and can not select optimal sequence information the time, selects any order information from a plurality of order informations an evaluation of estimate.
If carry out handling (during the S301～S305) by the picture quality adjustment of flow chart shown in Figure 3 at image quality adjustment device 1a, indication 110 is ended in input, then selection portion 3 is ended the selection of order information 102, and will in ending constantly to have obtained the order information of evaluation of estimate, be chosen as optimal sequence information by the order information of evaluation of estimate maximum, export to adjustment part 4.Here, when a plurality of optimal sequence information is arranged, select one of them.In addition, when not having optimal sequence information, select any order information 102 in the management information 101.
More than, according to present embodiment,, will end indication 110 by the setting of software and export to selection portion 3 original digital image data of the raising that do not require picture quality, adjust relevant unnecessary processing thereby can reduce with picture quality.
In addition, above-mentioned software is programmed to determine under various conditions definite information 111 that can expression be ended.For example, also can be set at adjusting the moment that the relevant time surpassed certain hour and ended with picture quality.
Have, shown in Fig. 5 B, determination portion 21 also can constitute has outside terminal setting obtaining section 23 again.The obtaining section 23 of setting outside terminal obtains the setting level 113 of outside terminal, and sets level 113 according to this, will determine that information 111 is exported to end instruction unit 20.
According to this structure, not setting according to software, handle but end selective sequential according to the setting of outside terminal, adjust relevant unnecessary processing thereby can reduce with picture quality.
In addition, Fig. 5 C～Fig. 5 E is the figure of the concrete example of expression determination portion 21.Determination portion 21 also can constitute, and according to the decoder input information of importing from the decoding device 24 of outside, determines information 111.Here, decoding device 24 is for example to be used for the encoded image data in the tape deck 9 are decoded, and to the device of image quality adjustment device 1a output.
The decoder input information comprises special reproduction information 114, chapters and sections (chapter) start information 115 and size of code information 116 etc.Here, the information that special reproduction information 114 is expression F.F. reproductions, rewinding is reproduced and reproduce at a slow speed etc.Chapters and sections start information 115 is the information of the beginning of expression chapters and sections.Size of code information 116 is the information of the size of code of presentation video data.
Example shown in Fig. 5 C, determination portion 21 also can have special reproduction information test section 25.Special reproduction information test section 25 detects the special reproduction information 114 in the decoder input information of decoding device 24 inputs.Determination portion 21 is determined information 111 according to detected special reproduction information 114.According to definite information 111 of determining by special reproduction information 114, end instruction unit 20 and will end to indicate 110 to export to selection portion 3.According to this formation, for example when F.F. is reproduced or rewinding when reproducing, end instruction unit 20 and the termination indication 110 of ending the picture quality adjustment of present embodiment can be exported to selection portion 3.
Example shown in Fig. 5 D, determination portion 21 also can have chapters and sections start information test section 26.Chapters and sections start information test section 26 detects the chapters and sections start information 115 in the decoder input information of decoding device 24 inputs.Determination portion 21 is determined information 111 according to detected chapters and sections start information 115.According to definite information 111 of determining by chapters and sections start information 115, end instruction unit 20 and will end to indicate 110 to export to selection portion 3.According to this structure, for example when having imported the image of specified chapters and sections, end instruction unit 20 and the termination indication 110 of ending picture quality adjustment processing of the present invention can be exported to selection portion 3.
Example shown in Fig. 5 E, determination portion 21 also can have size of code information test section 27.Size of code information test section 27 detects the size of code information 116 in the decoder input information of decoding device 24 inputs.Determination portion 21 is determined information 111 according to detected size of code information 116.According to definite information 111 of determining by encoding amount information 116, end instruction unit 20 and will end to indicate 110 to export to selection portion 3.According to this structure, for example when having imported image, end instruction unit 20 and the termination indication 110 of ending picture quality adjustment processing of the present invention can be exported to selection portion 3 with certain above size of code.
According to these structures, can be set at when the picture quality that does not need to adjust input picture etc., end the picture quality adjustment to handle, handle relevant treating capacity thereby can reduce with the picture quality adjustment.
(execution mode 3)
The image quality adjustment device of present embodiment is based on resulting evaluation of estimate, determines the structure of the termination indication shown in the execution mode 2.
Fig. 6 is the block diagram of the image quality adjustment device 1b of present embodiment.The structure of Fig. 6 is compared with the structure of Fig. 4, and difference is to replace determination portion 21 and has increased determination portion 21a.Below, identical point is omitted explanation, and be that the center describes with the difference.
According to this structure, can finish the picture quality adjustment and handle in the moment that has obtained very satisfied evaluation of estimate, handle relevant treating capacity thereby can reduce with the picture quality adjustment.
In addition, determination portion 21a also can calculate the difference (augmenting portion) based on the evaluation of estimate of view data after the evaluation of estimate of view data after the adjustment of the order information of selecting at first and the different therewith adjustment, and when having obtained surpassing the difference (augmenting portion) of the threshold value that sets, finish the structure that the picture quality adjustment is handled.And, also can calculate the evaluation of estimate of original digital image data and the difference (augmenting portion) of the evaluation of estimate of adjusting the back view data.
According to this structure, can finish the picture quality adjustment and handle in the raising that obtains certain picture quality more than the certain value constantly, handle relevant treating capacity thereby can reduce with the picture quality adjustment.
In addition, a roughly timing of the evaluation of estimate of view data after the adjustment of adjusting with different order information, ending instruction unit 20 can constitute, and no matter uses which order information, think that all the evaluation of estimate of adjusting the back view data does not change, and will end indication 110 and export to selection portion 3.
(execution mode 4)
The image quality adjustment device of present embodiment is based on resulting evaluation of estimate, determines the structure of the termination indication shown in the execution mode 2.
Fig. 7 is the block diagram of the image quality adjustment device 1C of present embodiment.The structure of Fig. 7 is compared with the structure of Fig. 4, and difference is to replace ending instruction unit 20 and has increased Evaluation and Control portion 28, replaces determination portion 21 and increased determination portion 21b's.Below, identical point is omitted explanation, and be that the center describes with the difference.
Fig. 8 A～Fig. 8 C is the figure of the concrete example of expression Evaluation and Control portion 28.
Example shown in Fig. 8 A, Evaluation and Control portion 28 has image and cuts out portion 29.Image cuts out portion 29 according to the definite information 111b that comprises the information that cuts out of indicating image, cuts out the part of view data 105 after the adjustment that obtains from output state 8, and the view data that is cut out is exported to evaluation portion 6.Evaluation portion 6 estimates by what image cut out that portion 29 cuts out and cuts out view data 117.
According to this structure, owing to compare with original image, the data volume that cuts out image diminishes, and handles relevant treating capacity so can reduce with the picture quality adjustment.
In addition, the example shown in Fig. 8 B, Evaluation and Control portion 28 also can have image and dwindle portion 30.Image dwindles portion 30 according to the definite information 111b that comprises the information of dwindling of indicating image, view data 105 after the adjustment that obtains from output state 8 is dwindled, and the view data after will dwindling is exported to evaluation portion 6.Evaluation portion 6 estimates by image and dwindles down scaling image data 118 after portion 30 dwindles.
According to this structure, owing to compare with original image, the data volume of downscaled images diminishes, and handles relevant treating capacity so can reduce with the picture quality adjustment.
Have again, the example shown in Fig. 8 C, Evaluation and Control portion 28 has evaluation method switching part 31.Evaluation method switching part 31 is exported to evaluation portion 6 according to the definite information 111b that comprises the information of the switching of indicating evaluation method with evaluation method handover information 119.Evaluation portion 6 is according to evaluation method handover information 119, switches evaluation method, and estimates image after the adjustment that becomes object.At this moment, establish evaluation portion 6 and keep having at least two evaluation methods of different accuracy.
According to this structure,, can reduce with image quality evaluation and handle relevant treating capacity by switching to the lower evaluation method of precision.
Image cuts out, image dwindles, the switching of evaluation method is meant the data volume according to the image of being imported, and is determined whether to carry out by determination portion 21b.In addition, also can constitute, adjust the required time, determine whether to carry out by determination portion 21b according to picture quality.In addition, also can constitute,, determine by determination portion 21b according to the setting of outside terminal or software.
Having, also can be to have determination portion 21 and 21b again, and according to definite information 111 and 111b, to ending both structures of controlling of instruction unit 20 and Evaluation and Control portion 28.
(execution mode 5)
The image quality adjustment device of present embodiment constitutes, when the carries out image quality is adjusted simultaneously when two pictures show etc., judge the similitude of a plurality of images, and when similitude is arranged, with the order information dual-purpose when another picture quality is adjusted of one of them, thereby reduce treating capacity.
Fig. 9 is the block diagram of the image quality adjustment device 1d of present embodiment.The structure of Fig. 9 is compared with the structure of Fig. 1, and difference is also to have increased similitude judging part 40 and input picture is a plurality of.Below, identical point is omitted explanation, and be that the center describes with the difference.
When the situation that similitude judging part 40 shows at two pictures etc. is carried out the picture quality adjustment of two original digital image datas simultaneously, judge the similitude of each input picture, and when being judged as similitude, but expression is exported to management department 2 to another input picture also dual-purpose to the optimal sequence sequence of information dual-purpose information 122 of one of them input picture.Here, relatively to the evaluation of estimate of the 1st view data and evaluation of estimate, and judge similitude to the 2nd view data.
For the judgement of similitude, for example use the image quality evaluating method shown in the patent documentation 1, press evaluation result that assessment items such as graininess, definition, gamma characteristic, color rendition divide near the time, being judged as each original digital image data has similitude.So-called evaluation result is near being meant that the difference as if the evaluation result of dividing by each assessment item is below the predetermined threshold, and it is approaching then to regard evaluation result as.
Below, by flow chart shown in Figure 10, the action of the image quality adjustment device 1d of present embodiment is described.
Image quality adjustment device 1d carries out respectively handling (S302) processing (S901) to the stores processor (305) of management information from the selective sequential shown in the flow chart of Fig. 3 to the 1st original digital image data 120 and the 2nd original digital image data 121.Thus, management department 2 obtains the evaluation of estimate of each image respectively.
Then, 40 pairs of two evaluations of estimate that obtain by above-mentioned processing (S901) of similitude judging part compare, and judge the similitude (S902) of two original digital image datas.When being judged as similitude ("Yes" among the S902), order dual-purpose information 122 is exported to management department 2.
And image quality adjustment device 1d handles (S301～S308) (S903) to the picture quality adjustment shown in the flow chart of the 1st original digital image data 120 execution graphs 3.Thus, will be to the evaluation of estimate of the 1st original digital image data 120 and optimal sequence information stores at management department 2 (S904).Here, management department 2 is when having imported order dual-purpose information 122, and the evaluation of estimate 103 that the 1st original digital image data 120 is obtained that will handle that (S903) obtain by the picture quality adjustment not only manages as the evaluation of estimate of to the evaluation of estimate of the 1st original digital image data 120, also regarding as the 2nd original digital image data 121.Therefore, to the optimal sequence information of the 2nd original digital image data 121 with identical to the optimal sequence information of the 1st original digital image data 120.
Be judged as ("No" among the S902) when not having similitude, the original digital image data 121 of the 1st original digital image data 120 and the 2nd carried out the picture quality adjustment shown in the flow chart of Fig. 3 and handle (S301～S308), and back view data 105 (S906) is adjusted in output.
More than, according to present embodiment, when two picture demonstrations etc. are carried out the picture quality adjustment and handled two original digital image datas simultaneously, be judged as each original digital image data when similitude is arranged, obtain optimal sequence information to the 1st original digital image data, and to this optimal sequence information of the 2nd original digital image data dual-purpose.That is,, do not need to carry out selective sequential illustrated in the execution mode 1 and handle, just can reduce treating capacity the 2nd original digital image data.
In addition, also can constitute selection portion 3 acceptance order dual-purpose information 122.At this moment, will to handle the optimal sequence Information Selection to the 1st original digital image data 120 that (S903) obtain by the picture quality adjustment be the optimal sequence information of the 2nd original digital image data 121 to selection portion 3.
Have, as shown in figure 11, the image quality adjustment device 1d of present embodiment also can be the structure with picture-in-picture judging part 41 again.Here, so-called picture-in-picture is meant the image that inserts little picture (sprite) at common picture (key frame).If the image that shows on the key frame is an outside image, the image that shows on the sprite is inboard image.
Picture-in-picture judging part 41 detects pip image information 124 from decoding device 42, and inboard image prior information 123 is exported to management department 2 and similitude judging part 40.
The similitude judging part 40 that has been transfused to inboard image prior information 123 is the 1st input picture with inboard image recognition, is the 2nd input picture with outside image recognition.Management department 2 is when carrying out the processing of Figure 10, and the administrative evaluation value is handled so that inboard image is preferentially carried out the picture quality adjustment as the 1st input picture.
Like this, selection portion 3 is carried out selective sequential to inboard image and is handled through management department 2, outside image is not carried out selective sequential handle.To outside image, carry out the picture quality adjustment with the optimal sequence information of inboard image.If be judged as inboard image and outside image has similitude, then outside image is also obtained image after the adjustment of high image quality.
As shown in figure 12, the image quality adjustment device 1d of present embodiment also can constitute and have size comparing section 43.
The similitude judging part 40 that has been transfused to small-sized image prior information 125 is identified as the 1st input picture with small-sized image, and large-size images is identified as the 2nd input picture.Management department 2 is when carrying out the processing of Figure 10, and the administrative evaluation value is handled so that small-sized image is preferentially carried out the picture quality adjustment as the 1st input picture.
Like this, 3 pairs of small-sized images of selection portion carry out selective sequential to be handled, and large-size images is not carried out selective sequential handle.To large-size images, carry out the picture quality adjustment with the optimal sequence information of small-sized image.If be judged as small-sized image and large-size images has similitude, then large-size images is also obtained image after the adjustment of high image quality.
According to these structures, preferential at the image that size is little, and when being judged as similitude, not needing that the big image of size is carried out selective sequential and handle, thereby reduce the treating capacity that needs.
In addition, similitude judging part 40 also can replace judging the similitude of evaluation of estimate, and judges the similitude of the 1st original digital image data 120 and the 2nd original digital image data 121.
(execution mode 6)
Image (video) transcriber of the image quality adjustment device with present embodiment is described.Image-reproducing means constitutes, and the information of the image that picture quality adjusts has been carried out in storage, and when output image once more, the information that the picture quality before utilizing is adjusted reduces and the relevant treating capacity of picture quality adjustment processing.
Figure 13 is the block diagram of the image-reproducing means 60 of present embodiment.The image-reproducing means 60 of this figure has image quality adjustment device 1e, tape deck 61 and image output device 10.Image quality adjustment device 1e also has writing information maintaining part 51, writes control part 52, indicates detection unit 53 and read-out control part 54 in the image quality adjustment device shown in the execution mode 1.Tape deck 61 has data store 50.
The original digital image data of the input picture after data store 50 keeps once reproducing, and optimal sequence information 131 and sign 132 when reproduced last time are stored accordingly.
The optimal sequence information 131 of the input picture that writing information maintaining part 51 is kept for once reproducing.
Write control part 52 when writing information maintaining part 51 reaches predetermined capacity, indication is written in content and the sign 132 that keeps in the writing information maintaining part 51 in the precalculated position of tape deck 61.Sign 132 is the effective or invalid signs of expression optimal sequence information 131.
Sign detection unit 53 is read sign 132 from input buffer 7, and judges that the sign of being read 132 is effectively still invalid.This sign determination processing when reproduction (the 2nd time after) when reproducing is once more carried out.
Read-out control part 54 is controlled the processing of reading of input buffer 7 according to the result of determination from 53 outputs of sign detection unit.Particularly, when having accepted the effective judged result of indicator sign 132, read and indicate 132 corresponding optimal sequence information 131 from input buffer 7, and the optimal sequence information 131 of being read is exported to selection portion 3.
The preferably non-volatile recording medium of data store 50 and writing information maintaining part 51.
Below, the action of the image-reproducing means 60 of present embodiment is described.60 pairs of images of the image-reproducing means of present embodiment carry out the picture quality adjustment, and carry out up to the action of resulting optimal sequence information stores till data store 50, with carry out the action that picture quality is adjusted with the optimal sequence information that is stored in the data store 50.Image-reproducing means 60 mainly (does not have to seasonable) to carry out last action in optimal sequence information and original digital image data when the first reproduction of image.
The flow chart of the action when Figure 14 A is first reproduces of expression input picture.
If from tape deck 61 original digital image data 130 is input to input buffer 7, then image quality adjustment device 1e carries out the picture quality adjustment to original digital image data 130 and handles (S1301) according to the flow chart of Fig. 3.Handle by the adjustment of carries out image quality, manage optimal sequence information 131 by management department 2.Writing information maintaining part 51 obtains optimal sequence information 131 from management department 2 through selection portion 3, and keeps obtained optimal sequence information 131 (S1302).
Write control part 52 when writing information maintaining part 51 reaches predetermined capacity ("Yes" among the S1303), be used to write out the control of the maintenance content of writing information maintaining part 51, data store 50 will be stored (S1304) with original digital image data 130 accordingly by optimal sequence information 131 and sign 132 that writing information maintaining part 51 keeps on the precalculated position.
When writing information maintaining part 51 does not reach predetermined volumes ("No" among the S1304), image quality adjustment device 1e proceeds the picture quality adjustment shown in the flow chart of Fig. 3 and handles (S1301).
The flow chart of the action when Figure 14 B is reproducing once more of expression input picture.
Sign detection unit 53 is read sign 132 from input buffer 7, and determination flag 132 effective still invalid (S1311).And, read resulting judged result 133, and to control part 54 outputs.
Effectively the time ("Yes" among the S1311), read-out control part 54 is read optimal sequence information 131 from input buffer 7, and exports to selection portion 3 (S1312) at sign 132.
At sign 132 when invalid ("No" among the S1311), image quality adjustment device 1e carries out the picture quality adjustment shown in the flow chart of Fig. 3 and handles (S1314) to original digital image data 130.
More than, according to present embodiment, used optimal sequence information 131 when preserving first reproduction of original digital image data 130, and when reproducing original digital image data 130 once more, can use the optimal sequence information 131 of being preserved, original digital image data 130 carries out image quality adjustment are handled, handled thereby can reduce unnecessary picture quality adjustment.
In addition, according to present embodiment, can be mode shown in Figure 15.Image-reproducing means shown in Figure 15 is compared with Figure 13, and difference is to replace tape deck 61 and has special recording device of reading 62 and data recording equipment 63.And image quality adjustment device 1e has Synchronous Processing portion 55.Below, identical point is omitted explanation, and be that the center describes with the difference.
Read special recording device 62 and only write down original digital image data 130.Data recording equipment 63 storage optimal sequence information 131, sign 132 and correspondence image information 135.Here, correspondence image information 135 is the information that is used for recognition image, for example is the identifier etc. of image, represents with form as shown in figure 16.
Image quality adjustment device 1e reads into input buffer 7 with original digital image data 130 from reading special recording device 62, and from data recording equipment 63 optimal sequence information 131, sign 132 and correspondence image information 135 is read into input buffer 7.
Read-out control part 54 is read optimal sequence information 131, and is exported to selection portion 3 according to the result of determination 133 and the synchronizing information 134 of sign detection unit 53.
And, also can pass through read-out control part 54, will be input to adjustment part 4 from the optimal sequence information 131 that input buffer 7 is read.At this moment, adjustment part 4 is carried out the picture quality adjustment according to the optimal sequence information of being imported 131 to original digital image data 130.
More than, according to execution mode image quality adjustment device of the present invention and image-reproducing means have been described, but the present invention is not limited to above-mentioned execution mode.Only otherwise break away from spirit of the present invention, the thinkable various distortion of those skilled in the art are put on the mode in the present embodiment or make up the inscape in the different execution modes and the mode of constructing is also contained in the scope of the present invention.
For example, in the respective embodiments described above, each processing (each function) can focus on by single device (system) and realize, perhaps, also can realize by the multiple arrangement dispersion treatment.
In addition, the computer of carrying out said procedure can be single, also can be a plurality of.That is, can focus on, perhaps, also can carry out dispersion treatment.
Have again, picture quality adjustment processing among the present invention and image-reproducing means can only be realized as device, also can be used as the processing means that will constitute this device realizes as method, or realize, or realize or realize as the information of this program of expression or data or signal as the recording mediums such as CD-ROM of the embodied on computer readable that has write down this program as the program that makes computer carry out these steps.And the communication network that these programs, information, data and signal can be through the Internets etc. sends.
Availability on the industry
As mentioned above, have can be with the order of the best to input for image quality adjustment device of the present invention Figure carries out the picture quality adjustment and carries out the effect of processing, and as having image quality adjustment device Image recording structure and image-reproducing means etc. useful.
Claims (25)
1, a kind of image quality adjustment device is set by input picture is suitable for a plurality of different picture qualities, adjusts the picture quality of described input picture, it is characterized in that, comprising:
Administrative unit obtains the evaluation of estimate of the appropriateness of a plurality of order informations of the suitable order that the described a plurality of picture qualities of expression set and and order of representation corresponding with described order information, and manages;
Selected cell, the optimal sequence information of the described evaluation of estimate maximum of selection from described a plurality of order informations;
Adjustment unit according to described optimal sequence information, is adjusted the picture quality of described input picture.
2, image quality adjustment device according to claim 1 is characterized in that,
Described selected cell was also carried out the selective sequential of selecting not corresponding with described evaluation of estimate order information and is handled before selecting described optimal sequence information;
Described adjustment unit is adjusted the picture quality of described input picture according to selected described order information;
Described image quality adjustment device also comprises evaluation unit, and image after the adjustment that obtains by described adjustment unit adjustment picture quality is estimated;
Described administrative unit obtains the evaluation result based on described evaluation unit, and manages as described evaluation of estimate.
3, image quality adjustment device according to claim 2 is characterized in that,
Described selected cell is also carried out described selective sequential and is handled, up to obtaining the evaluation of estimate corresponding with all order informations.
4, image quality adjustment device according to claim 2 is characterized in that,
Described selected cell is also carried out described selective sequential and is handled, up to obtaining the evaluation of estimate corresponding with the order information of predetermined number.
5, image quality adjustment device according to claim 4 is characterized in that,
Described image quality adjustment device also comprises the termination indicating member, and described selected cell is exported in the termination indication of representing the termination that described selective sequential is handled;
Described selected cell is indicated according to described termination, and end described selective sequential and handle, and from the resulting order information of ending of the moment, selecting described optimal sequence information.
6, image quality adjustment device according to claim 5 is characterized in that,
Described termination indicating member is exported described termination indication according to the setting of software or outside terminal to described selected cell.
7, image quality adjustment device according to claim 5 is characterized in that,
Described termination indicating member, by the described evaluation of estimate of adjusting the back image of described evaluation unit input, and described evaluation of estimate is exported described termination indication to described selected cell when having surpassed predetermined threshold value.
8, image quality adjustment device according to claim 5 is characterized in that,
Described termination indicating member, in evaluation of estimate by the described adjustment of described evaluation unit input back image, and when described evaluation of estimate and the difference that has been stored in any evaluation of estimate in the described administrative unit have surpassed predetermined threshold value, export described termination indication to described selected cell.
9, image quality adjustment device according to claim 5 is characterized in that,
Described termination indicating member is exported described termination indication according to the decoder input information by the decoder input to described selected cell.
10, image quality adjustment device according to claim 9 is characterized in that,
Described decoder input information is any in special reproduction information, chapters and sections start information and the size of code information.
11, image quality adjustment device according to claim 2 is characterized in that,
Described evaluation unit is estimated having dwindled the described downscaled images of adjusting the back image.
12, image quality adjustment device according to claim 2 is characterized in that,
Described evaluation unit cuts out image evaluation to what a described part of adjusting the back image cut out.
13, image quality adjustment device according to claim 2 is characterized in that,
Described evaluation unit switches mutual different the 1st evaluation method and the 2nd evaluation methods of evaluation precision to be estimated.
14, image quality adjustment device according to claim 2 is characterized in that,
Described administrative unit is to each order information storage selection marker, and described selection marker represents whether be the order information that becomes the alternative of described selected cell;
Described selected cell is according to described selection marker, selecting sequence information.
15, image quality adjustment device according to claim 2 is characterized in that,
Described input picture comprises the 1st input picture and the 2nd input picture;
Described image quality adjustment device also comprises the similitude judging unit, judge the similitude of at least one evaluation of estimate of the evaluation of estimate of described the 1st input picture and described the 2nd input picture, and when similitude is approved, but the order dual-purpose information of order of representation information dual-purpose is exported to described administrative unit;
Described administrative unit when having imported described order dual-purpose information, corresponds to the evaluation of estimate of described the 1st input picture the evaluation of estimate of described the 2nd input picture.
16, image quality adjustment device according to claim 15 is characterized in that,
Described image quality adjustment device also comprises the size comparing unit, and the relatively size of two input pictures, and the image that size is little is defined as described the 1st input picture, and the image that size is big is defined as described the 2nd input picture;
Described selected cell is also carried out described selective sequential to described the 1st input picture and is handled, and does not handle and described the 2nd input picture is not carried out described selective sequential.
17, image quality adjustment device according to claim 15 is characterized in that,
Described image quality adjustment device also comprises the picture-in-picture judging unit, detects pip image, and the inboard image of picture-in-picture is defined as described the 1st input picture, and picture-in-picture outside image is defined as the described the 2nd input picture;
Described selected cell is also carried out described selective sequential to described the 1st input picture and is handled, and does not handle and described the 2nd input picture is not carried out described selective sequential.
18, image quality adjustment device according to claim 2 is characterized in that,
Described input picture comprises the 1st input picture and the 2nd input picture;
Described image quality adjustment device also comprises the similitude judging unit, judge the similitude of at least one evaluation of estimate of the evaluation of estimate of described the 1st input picture and described the 2nd input picture, and when similitude is approved, but the order dual-purpose information of order of representation information dual-purpose is exported to described selected cell;
Described selected cell when adjusting the picture quality of described the 2nd input picture, is selected the optimal sequence information to described the 1st input picture according to described order dual-purpose information.
19, a kind of image-reproducing means comprises the described image quality adjustment device of claim 2 and has write down the record image data device, and the image that is recorded in described tape deck is reproduced, it is characterized in that,
Described image quality adjustment device is adjusted the described image quality in images in reproducing;
Described image-reproducing means comprises:
Effective or invalid sign and the described optimal sequence information of optimal sequence information when data storage cell, storage representation reproduced last time;
The writing information holding unit keeps the described optimal sequence information by described selected cell notice;
Write control unit when the content that is kept by said write information holding unit has reached predetermined volumes, carries out on the precalculated position of described data storage cell record and is maintained at the content in the said write information holding unit and the control of described sign.
20, image-reproducing means according to claim 19 is characterized in that,
Described image-reproducing means also comprises:
The sign identifying unit when current the reproduction, is read described sign from described data storage cell, and judges that described sign is effectively still invalid;
Read-out control unit is accepted the result of determination based on described sign identifying unit, when described sign is effective, reads described optimal sequence information from described data storage cell.
21, image-reproducing means according to claim 20 is characterized in that,
Described data storage cell is contained in described tape deck, and described sign and described optimal sequence information and reproduced image are stored accordingly;
Described sign identifying unit when the reproduction of new images, read with reproduce in the corresponding described sign of described image, and judge that described sign is effectively still invalid.
22, image-reproducing means according to claim 20 is characterized in that,
Described data storage cell also storage representation makes the synchronizing information of described optimal sequence information and described image synchronization;
Described read-out control unit is synchronously read described optimal sequence information also according to described synchronizing information with the input picture that is imported into described image quality adjustment device.
23, a kind of image quality adjustment method is set by input picture is suitable for a plurality of different picture qualities, adjusts the picture quality of described input picture, it is characterized in that, comprising:
Management process is obtained the evaluation of estimate of the appropriateness of a plurality of order informations of the suitable order that the described a plurality of picture qualities of expression set and and order of representation corresponding with described order information, and is managed;
Select step, from described a plurality of order informations, select the optimal sequence information of described evaluation of estimate maximum;
Set-up procedure according to described optimal sequence information, is adjusted the picture quality of described input picture.
24, a kind of picture quality is adjusted program, and computer is carried out by input picture is suitable for the image quality adjustment method that a plurality of different picture qualities are set the picture quality of adjusting described input picture, it is characterized in that, comprising:
Management process is obtained the evaluation of estimate of the appropriateness of a plurality of order informations of the suitable order that the described a plurality of picture qualities of expression set and and order of representation corresponding with described order information, and is managed;
Select step, from described a plurality of order informations, select the optimal sequence information of described evaluation of estimate maximum;
Set-up procedure according to described optimal sequence information, is adjusted the picture quality of described input picture.
25, a kind of recording medium of embodied on computer readable, record is carried out by input picture is suitable for the program that a plurality of different picture qualities are set the image quality adjustment method of the picture quality of adjusting described input picture computer, it is characterized in that described program comprises:
Management process is obtained the evaluation of estimate of the appropriateness of a plurality of order informations of the suitable order that the described a plurality of picture qualities of expression set and and order of representation corresponding with described order information, and is managed;
Select step, from described a plurality of order informations, select the optimal sequence information of described evaluation of estimate maximum;
Set-up procedure according to described optimal sequence information, is adjusted the picture quality of described input picture.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP124998/2007 | 2007-05-09 | ||
| JP2007124998 | 2007-05-09 | ||
| JP106222/2008 | 2008-04-15 |
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| CN101304478A true CN101304478A (en) | 2008-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100913885A Pending CN101304478A (en) | 2007-05-09 | 2008-05-08 | Image quality adjustment device, image quality adjustment method and program |
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| CN (1) | CN101304478A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102342122A (en) * | 2009-09-17 | 2012-02-01 | 松下电器产业株式会社 | Video signal processing apparatus and video signal processing method |
| CN104317887A (en) * | 2014-10-22 | 2015-01-28 | 中国建设银行股份有限公司 | Method and device for receiving pictures |
| CN112700386A (en) * | 2020-12-30 | 2021-04-23 | 江苏奥格视特信息科技有限公司 | Fuzzy image ultrahigh-definition transformation method and system based on artificial intelligence |
| CN115510271A (en) * | 2021-06-23 | 2022-12-23 | 南京中科逆熵科技有限公司 | Content-oriented reference-free quality evaluation method for animation video |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5896834B2 (en) * | 2012-05-31 | 2016-03-30 | シャープ株式会社 | Image adjustment unit, image display device, computer program, recording medium, and image adjustment method |
-
2008
- 2008-04-15 JP JP2008106222A patent/JP2008304905A/en not_active Withdrawn
- 2008-05-08 CN CNA2008100913885A patent/CN101304478A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102342122A (en) * | 2009-09-17 | 2012-02-01 | 松下电器产业株式会社 | Video signal processing apparatus and video signal processing method |
| CN104317887A (en) * | 2014-10-22 | 2015-01-28 | 中国建设银行股份有限公司 | Method and device for receiving pictures |
| CN112700386A (en) * | 2020-12-30 | 2021-04-23 | 江苏奥格视特信息科技有限公司 | Fuzzy image ultrahigh-definition transformation method and system based on artificial intelligence |
| CN115510271A (en) * | 2021-06-23 | 2022-12-23 | 南京中科逆熵科技有限公司 | Content-oriented reference-free quality evaluation method for animation video |
| CN115510271B (en) * | 2021-06-23 | 2024-04-30 | 南京中科逆熵科技有限公司 | Content-oriented animation video non-reference quality evaluation method |
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| Publication number | Publication date |
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| JP2008304905A (en) | 2008-12-18 |
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