CN108427828B - Device for automatically evaluating layout quality and optimizing planar design - Google Patents
Device for automatically evaluating layout quality and optimizing planar design Download PDFInfo
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Abstract
The invention relates to the technical field of graphic and text planar design, and provides a device for automatically evaluating planar design layout quality and optimization, which can evaluate the quality of a designed finished product, self-help adjust and optimize the designed finished product and improve the quality of the designed finished product.
Description
Technical Field
The invention relates to the technical field of graphic and text planar design, in particular to a device for automatically evaluating the planar design layout quality and optimizing.
Background
As the advertising industry develops, people have more and more demands on the flat design. Despite the advent of many computer aided design tools (e.g., Photoshop, SketchUp, Illustrator, etc.), poster design is greatly facilitated, increasing the efficiency of the design. However, the way of realizing poster design by proprietary graphic design software such as Photoshop and CorelDRAW has high professional requirements, and for most people without plane design theory knowledge and basic aesthetic knowledge, it is still a difficult matter to do professional plane design.
Currently, some self-service flat design software realizes simple graphic and text flat design through limited functions. The self-service plane design method is mainly characterized in that a design template is provided for a user in advance, a user-defined area is reserved at a fixed position of the design template, and the user adds image-text materials in the user-defined area. Although the image-text planar design mode is simple to realize and low in professional requirement and can be suitable for the common masses, the final effect of the image-text planar design is limited by the inherent design template, and moreover, because the system lacks an objective judgment standard for the quality of a final design finished product, the design finished product cannot be effectively adjusted and optimized by self, the quality of the design finished product cannot be effectively improved by self, the personalized design requirement of a user cannot be met to a great extent, and the practicability is low.
Disclosure of Invention
Therefore, in order to solve the above problems, the present invention provides an apparatus for automatically evaluating the quality and optimization of a planar design layout, which is capable of evaluating the quality of a designed finished product, so as to perform self-help adjustment and optimization on the designed finished product, thereby improving the quality of the designed finished product.
In order to realize the technical problem, the solution scheme adopted by the invention is as follows: a device for automatically evaluating the quality and optimization of a planar design layout comprises a design structure analysis module, a grading module and an optimization design module;
the design structure analysis module converts a picture format file of a designed finished product into a structured file, and can obtain a text frame attribute and a background picture attribute of the designed finished product according to the structured file, wherein the text frame attribute comprises the frame size of a text frame and the position of the text frame, and the background picture attribute comprises the size of the background picture and color elements of the background picture;
the scoring module obtains the character frame attribute and the background image attribute through the structured file output by the structure analysis module so as to perform design quality scoring, wherein the design quality scoring comprises alignment feature evaluation on the character frame, regularity feature evaluation on the character frame, balance feature evaluation on the character frame and the image, blank feature evaluation on the poster and overlapping feature evaluation on the character frame and the image;
the optimization design module automatically carries out parameter change operation on each constituent parameter of the text box attribute and the background graph attribute respectively, and marks the planar design layout state obtained after the nth parameter change operation as an environmental state SnAmbient state SnCalculating the environment state S by superposing all the characteristic evaluation scores obtained by the scoring modulenThe environmental score function of (1), (Sn); meanwhile, the optimization design module calculates an action execution probability function P (an) of the nth parameter change operation according to the average distribution probability, wherein P (an) = 1/N, and N represents the total number of parameter change operations; the optimization design module obtains an action expected value E of the nth parameter change operation according to an environment score function R (Sn) and an action execution probability function P (an)n,En= p (an) x R (Sn); said powder isAction expected value E corresponding to each parameter change operation by using design change modulenPerforming accumulation calculation to obtain the maximum expected action value EmaxAnd the action expectation value E is setmaxAnd (4) executing the corresponding parameter change operation on the design finished product to obtain the optimized design finished product.
Further, the alignment characteristics of the text boxes are evaluated to calculate the alignment of all the text boxes; the alignment characteristics for the text box were evaluated as:
calculating 6 dimensional coordinate positions of upper, lower, left, right, horizontal middle points and vertical middle points of each text frame, and marking each text frame as T1, T 2,T 3…T n,T nThe data structure representing the dimension coordinate position of the nth text box and the text box frame is represented as Tn{ T n(up), T n(down), T n(left), T n(right), T n(horizion), T n(veritical) };
Respectively calculating histograms of 6 dimensional coordinate positions, and calculating an average value M of the 6 dimensional coordinate positions:
Mup = (T 1(up) + T 2(up) +…+ T n(up))/2;
Mdown= (T 1(down) + T 2(down) + … + T n(down))/2;
M left = (T 1(left)+ T 2(left)+ … + T n(left) )/2;
M right = (T 1(lright)+ T 2(lright)+ … + T n(lright) )/2;
M horizion = (T 1(horizion)+ T 2(horizion)+ … + T n(horizion) )/2;
M veritical = (T 1(veritical) + T 2(veritical) + … + T n(veritical) )/2;
calculating the dispersion degree D of the 6 dimensional coordinate positions according to the histograms of the 6 dimensional coordinate positions, wherein the dispersion degree is an alignment score;
selecting one dimension with the lowest discrete degree in the 6 dimensional coordinate positions as one alignment mode, and selecting the discrete degree fraction of the alignment mode as the final alignment fraction SAlignment ofI.e. by
SAlignment of= min(Dup, Ddown, Dleft, Dright, Dhorizion, Dvertical )。
Further, the regularity characteristics of the text boxes are evaluated to calculate the width or height consistency of each text box frame; the regularity characteristics for the text box were evaluated as:
firstly, obtaining the width and height data of each text frame, marking each text frame as T1, T 2,T 3…T n,T nRepresenting the nth text box, the dimensional coordinate position data structure of the text box frame being represented as Tn{ T n(width), T n(hight) };
Calculating the average value M of the width and height data of each text frame:
Mwidth = (T 1(width) + T2(width)+ …+ T n(width))/3;
Mhight = (T 1(hight)+ T 2(hight) +…+ T n(hight) /3;
calculating the variance of the width and height data of each text frame:
selecting the minimum variance D of the two variancesmin = min(Dwidth,Dhight);
Fifthly, carrying out normalization calculation on the minimum variance to obtain a regularity score SNormalization= 1/(1+Dmin)。
Further, the balance characteristics of the text box and the picture are evaluated to calculate the upper-lower and left-right symmetry of the visual saliency map; the balance characteristics for the text box and the picture are evaluated as:
setting the importance of the text frame as 1, setting the importance of the background picture as an interval of 0-1, calculating a total graph after all the picture layers are superposed, and calculating a significance graph of the total graph:
marking n character frames as T 1,T 2,T 3…T n, T1 =1, T2 =1, … Tn= 1; marking m background pictures as P respectively1, P2,P3…Pm, P1 = random(0,1) = P2 = P3 = … = Pm;
② calculating the significance T of the text boxsalAnd background Picture saliency Psal:
thirdly, the significance P of the background picture obtained by calculationsalSignificance with text box TsalOverlapping to obtain a final significance map Pfianl,I.e. Pfianl= Psal+Tsal;
Fourthly, calculating a final significance map PfianlTo obtain a balance score SBalancing:
Where m is the total number of background pictures,representing the significance of the left position of the kth significance map,representing the significance of the left position of the kth significance map,showing the significance of the upper edge position of the kth significance map,the saliency at the bottom position of the kth saliency map is shown.
Further, the blank characteristics of the poster are evaluated as the size of the poster area occupied by the text box and the picture saliency block, and the blank characteristics of the poster are evaluated as follows:
calculating the blank proportion P of the blank of the poster contentwhite:
Area(T)kArea of the K-th character frame, area (P)kArea of the K background picture, area (total) of the design finished product;
normalizing the blank ratio to obtain a blank characteristic evaluation score SWhite space:
Further, the overlapping characteristics of the text box and the picture are evaluated as:
calculating a total graph of all background pictures in the poster after being superposed according to the layers, and calculating a saliency map of the background pictures:
Area(P)kthe area of the K background picture is shown, and m represents the total number of the background pictures;
calculating the shielding proportion:
wherein the content of the first and second substances,the image area of the superposition position of the image area and the character area is represented;
thirdly, normalization processing is carried out on the shielding proportion, and after normalization processing, the characteristic score S is overlappedOverlap:
By adopting the technical scheme, the invention has the beneficial effects that: the device for automatically evaluating the layout quality and optimization of the planar design can convert aesthetic subjective standards of the design into measurable mathematical evaluation comparison, and further optimize a designed finished product through deep reinforcement learning according to the evaluation, thereby realizing self-help adjustment and optimization of the designed finished product and improving the quality of the designed finished product.
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FIG. 1 is a block diagram of the structural principles of an embodiment of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, an apparatus for automatically evaluating the quality and optimization of a planar design layout according to an embodiment of the present invention includes a design structure analysis module, a scoring module, and an optimization design module.
The design structure analysis module converts a picture format file of a designed finished product into a structured file, and can obtain a text frame attribute and a background picture attribute of the designed finished product according to the structured file, wherein the text frame attribute comprises the frame size of a text frame and the position of the text frame, and the background picture attribute comprises the size of the background picture and color elements of the background picture.
The scoring module obtains the character frame attribute and the background image attribute through the structured file output by the structure analysis module so as to carry out design quality scoring, wherein the design quality scoring comprises alignment feature evaluation on the character frame, regularity feature evaluation on the character frame, balance feature evaluation on the character frame and the image, blank feature evaluation on the poster, and overlapping feature evaluation on the character frame and the image:
evaluating the alignment characteristics of the text boxes to calculate the alignment of all the text boxes; the alignment characteristics for the text box were evaluated as:
calculatingMarking each text box as T according to 6 dimensional coordinate positions of the frame of each text box, namely, the upper, lower, left, right, horizontal middle point and vertical middle point1, T 2,T 3…T n,T nThe data structure representing the dimension coordinate position of the nth text box and the text box frame is represented as Tn{ T n(up), T n(down), T n(left), T n(right), T n(horizion), T n(veritical) };
Respectively calculating histograms of 6 dimensional coordinate positions, and calculating an average value M of the 6 dimensional coordinate positions:
Mup = (T 1(up) + T 2(up) +…+ T n(up))/2;
Mdown= (T 1(down) + T 2(down) + … + T n(down))/2;
M left = (T 1(left)+ T 2(left)+ … + T n(left) )/2;
M right = (T 1(lright)+ T 2(lright)+ … + T n(lright) )/2;
M horizion = (T 1(horizion)+ T 2(horizion)+ … + T n(horizion) )/2;
M veritical = (T 1(veritical) + T 2(veritical) + … + T n(veritical) )/2;
calculating the dispersion degree D of the 6 dimensional coordinate positions according to the histograms of the 6 dimensional coordinate positions, wherein the dispersion degree is an alignment score;
selecting one dimension with the lowest discrete degree in the 6 dimensional coordinate positions as one alignment mode, and selecting the discrete degree fraction of the alignment mode as the final alignment fraction SAlignment ofI.e. by
SAlignment of= min(Dup, Ddown, Dleft, Dright, Dhorizion, Dvertical )。
Evaluating the regularity characteristics of the text boxes to calculate the width or height consistency of each text box frame; the regularity characteristics for the text box were evaluated as:
firstly, obtaining the width and height data of each text frame, marking each text frame as T1, T 2,T 3…T n,T nRepresenting the nth text box, the dimensional coordinate position data structure of the text box frame being represented as Tn{ T n(width), T n(hight) };
Calculating the average value M of the width and height data of each text frame:
Mwidth = (T 1(width) + T2(width)+ …+ T n(width))/3;
Mhight = (T 1(hight)+ T 2(hight) +…+ T n(hight) /3;
calculating the variance of the width and height data of each text frame:
selecting the minimum variance D of the two variancesmin = min(Dwidth,Dhight);
Fifthly, carrying out normalization calculation on the minimum variance to obtain a regularity score SNormalization= 1/(1+Dmin)。
Evaluating the balance characteristics of the text box and the picture to calculate the upper-lower symmetry and the left-right symmetry of the visual saliency map; the balance characteristics for the text box and the picture are evaluated as:
setting the importance of the text frame as 1, setting the importance of the background picture as an interval of 0-1, calculating a total graph after all the picture layers are superposed, and calculating a significance graph of the total graph:
marking n character frames as T 1,T 2,T 3…T n, T1 =1, T2 =1, … Tn= 1; marking m background pictures as P respectively1, P2,P3…Pm, P1 = random(0,1) = P2 = P3 = … = Pm;
② calculating the significance T of the text boxsalAnd background Picture saliency Psal:
③ general meterCalculated background picture saliency PsalSignificance with text box TsalOverlapping to obtain a final significance map Pfianl,I.e. Pfianl= Psal+Tsal;
Fourthly, calculating a final significance map PfianlTo obtain a balance score SBalancing:
Where m is the total number of background pictures,representing the significance of the left position of the kth significance map,representing the significance of the left position of the kth significance map,showing the significance of the upper edge position of the kth significance map,the saliency at the bottom position of the kth saliency map is shown.
The blank features of the poster are evaluated as the size of the poster area occupied by the text box and the picture saliency block, and the blank features of the poster are evaluated as follows:
calculating the blank proportion P of the blank of the poster contentwhite:
Area(T)kArea of the K-th character frame, area (P)kArea of the K background picture, area (total) of the design finished product;
② normalizing the proportion of the remaining white, classifyingThe normalized leave-in-white feature evaluation score SWhite space:
The overlap characteristics for the text box and the picture are evaluated as:
calculating a total graph of all background pictures in the poster after being superposed according to the layers, and calculating a saliency map of the background pictures:
Area(P)kthe area of the K background picture is shown, and m represents the total number of the background pictures;
calculating the shielding proportion:
wherein the content of the first and second substances,the image area of the superposition position of the image area and the character area is represented;
thirdly, normalization processing is carried out on the shielding proportion, and after normalization processing, the characteristic score S is overlappedOverlap:
The optimization design module automatically carries out parameter change operation on each constituent parameter of the text box attribute and the background graph attribute respectively, and marks the planar design layout state obtained after the nth parameter change operation as an environmental state SnAmbient state SnObtained by superposing the characteristic evaluation scores obtained by the scoring module, namely Sn=SAlignment of+SNormalization+SBalancing+SWhite space+SOverlapComputing environment stateState SnThe environmental score function of (1), (Sn); meanwhile, the optimization design module calculates an action execution probability function P (an) of the nth parameter change operation according to the average distribution probability, wherein P (an) = 1/N, and N represents the total number of parameter change operations; the optimization design module obtains an action expected value E of the nth parameter change operation according to an environment score function R (Sn) and an action execution probability function P (an)n,En= p (an) x R (Sn); the optimization design module changes the action expectation value E corresponding to each parameternPerforming accumulation calculation to obtain the maximum expected action value EmaxAnd the action expectation value E is setmaxAnd (4) executing the corresponding parameter change operation on the design finished product to obtain the optimized design finished product.
In conclusion, the device for automatically evaluating the layout quality and optimization of the planar design can evaluate the quality of the designed finished product so as to adjust and optimize the designed finished product by self, thereby improving the quality of the designed finished product and having strong practicability.
The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.
Claims (6)
1. An automatic evaluate the planar design layout quality and optimization device, its characterized in that: the system comprises a design structure analysis module, a grading module and an optimization design module;
the design structure analysis module converts a picture format file of a designed finished product into a structured file, and can obtain a text frame attribute and a background picture attribute of the designed finished product according to the structured file, wherein the text frame attribute comprises the frame size of a text frame and the position of the text frame, and the background picture attribute comprises the size of the background picture and color elements of the background picture;
the scoring module obtains the character frame attribute and the background image attribute through the structured file output by the structure analysis module so as to perform design quality scoring, wherein the design quality scoring comprises alignment feature evaluation on the character frame, regularity feature evaluation on the character frame, balance feature evaluation on the character frame and the image, blank feature evaluation on the poster and overlapping feature evaluation on the character frame and the image;
the optimization design module automatically carries out parameter change operation on each constituent parameter of the text box attribute and the background graph attribute respectively, and marks the planar design layout state obtained after the nth parameter change operation as an environmental state SnAmbient state SnCalculating the environment state S by superposing all the characteristic evaluation scores obtained by the scoring modulenThe environmental score function of (1), (Sn); meanwhile, the optimization design module calculates an action execution probability function P (an) of the nth parameter changing operation according to the average distribution probability, wherein P (an) is 1/N, and N represents the total number of parameter changing operations; the optimization design module obtains an action expected value E of the nth parameter change operation according to an environment score function R (Sn) and an action execution probability function P (an)n,EnP (an) × r (sn); the optimization design module changes the action expectation value E corresponding to each parameternPerforming accumulation calculation to obtain the maximum expected action value EmaxAnd the action expectation value E is setmaxAnd (4) executing the corresponding parameter change operation on the design finished product to obtain the optimized design finished product.
2. The apparatus for automatically evaluating the quality and optimization of a floor plan layout of claim 1 wherein the alignment characteristics of the text boxes are evaluated to calculate the alignment of all text boxes; the alignment characteristics for the text box were evaluated as:
calculating 6 dimensional coordinate positions of upper, lower, left, right, horizontal middle points and vertical middle points of each text frame, and marking each text frame as T1,T2,T3…Tn,TnThe data structure representing the dimension coordinate position of the nth text box and the text box frame is represented as Tn{Tn(up),Tn(down),Tn(left),Tn(right),Tn(horizion),Tn(veritical)};
Respectively calculating histograms of 6 dimensional coordinate positions, and calculating an average value M of the 6 dimensional coordinate positions:
Mup=(T1(up)+T2(up)+…+Tn(up))/2;
Mdown=(T1(down)+T2(down)+…+Tn(down))/2;
Mleft=(T1(left)+T2(left)+…+Tn(left))/2;
Mright=(T1(lright)+T2(lright)+…+Tn(lright))/2;
Mhorizion=(T1(horizion)+T2(horizion)+…+Tn(horizion))/2;
Mveritical=(T1(veritical)+T2(veritical)+…+Tn(veritical))/2;
calculating the dispersion degree D of the 6 dimensional coordinate positions according to the histograms of the 6 dimensional coordinate positions, wherein the dispersion degree is an alignment score;
selecting one dimension with the lowest discrete degree in the 6 dimensional coordinate positions as one alignment mode, and selecting the discrete degree fraction of the alignment mode as the final alignment fraction SAlignment ofI.e. by
SAlignment of=min(Dup,Ddown,Dleft,Dright,Dhorizion,Dvertical)。
3. The apparatus for automatically evaluating layout quality and optimization of a floor plan as claimed in claim 1, wherein the regularity characteristic of the text box is evaluated to calculate the consistency of the width or height of each text box frame; the regularity characteristics for the text box were evaluated as:
firstly, obtaining the width and height data of each text frame, marking each text frame as T1,T2,T3…Tn,TnRepresenting the nth text box, the dimensional coordinate position data structure of the text box frame being represented as Tn{T n(width),Tn(hight)};
Calculating the average value M of the width and height data of each text frame:
Mwidth=(T1(width)+T2(width)+…+Tn(width))/3;
Mhight=(T1(hight)+T2(hight)+…+Tn(hight)/3;
calculating the variance of the width and height data of each text frame:
selecting the minimum variance D of the two variancesmin=min(Dwidth,Dhight);
Fifthly, carrying out normalization calculation on the minimum variance to obtain a regularity score SNormalization=1/(1+Dmin)。
4. The apparatus for automatically evaluating the quality and optimization of a floor plan layout according to claim 1, wherein the balance features of the text box and the picture are evaluated to calculate the upper and lower and left and right symmetries of the visual saliency map; the balance characteristics for the text box and the picture are evaluated as:
setting the importance of the text frame as 1, setting the importance of the background picture as an interval of 0-1, calculating a total graph after all the picture layers are superposed, and calculating a significance graph of the total graph:
marking n character frames as T1,T2,T3…Tn,T1=1,T2=1,…Tn1 is ═ 1; marking m background pictures as P respectively1,P2,P3…Pm,P1=random(0,1)=P2=P3=…=Pm;
② calculating the significance T of the text boxsalAnd background Picture saliency Psal:
thirdly, the significance P of the background picture obtained by calculationsalSignificance with text box TsalOverlapping to obtain a final significance map PfianlI.e. Pfianl=Psal+Tsal;
Fourthly, calculating a final significance map PfianlTo obtain a balance score SBalancing:
Where m is the total number of background pictures,representing the significance of the left position of the kth significance map,representing the significance of the left position of the kth significance map,showing the significance of the upper edge position of the kth significance map,the saliency at the bottom position of the kth saliency map is shown.
5. The apparatus for automatically evaluating the quality and optimization of a floor plan layout of claim 1 wherein the whiteout characteristics of the poster are evaluated as occupying the size of the poster area for the text box and the graphic saliency blocks, the whiteout characteristics of the poster are evaluated as:
calculating the blank proportion P of the blank of the poster contentwhite:
Area(T)kArea of the K-th character frame, area (P)kArea of the K background picture, area (total) of the design finished product;
normalizing the blank ratio to obtain a blank characteristic evaluation score SWhite space:
SWhite space=(1-Pwhite)*100。
6. The apparatus for automatically evaluating the quality and optimization of a floor plan layout as claimed in claim 1, wherein the overlap characteristics of the text box and the picture are evaluated as:
calculating a total graph of all background pictures in the poster after being superposed according to the layers, and calculating a saliency map of the background pictures:
Area(P)kthe area of the K background picture is shown, and m represents the total number of the background pictures;
calculating the shielding proportion:
wherein, Psal-textcorsswithpicturesThe image area of the superposition position of the image area and the character area is represented;
thirdly, normalization processing is carried out on the shielding proportion, and after normalization processing, the characteristic score S is overlappedOverlap:
SOverlap=(1-Pblocked)*100。
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