CN102270427A - Method and apparatus for enhancing reading effect of electronic book and electronic terminal capable of reading electronic book - Google Patents
Method and apparatus for enhancing reading effect of electronic book and electronic terminal capable of reading electronic book Download PDFInfo
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- CN102270427A CN102270427A CN2010101973965A CN201010197396A CN102270427A CN 102270427 A CN102270427 A CN 102270427A CN 2010101973965 A CN2010101973965 A CN 2010101973965A CN 201010197396 A CN201010197396 A CN 201010197396A CN 102270427 A CN102270427 A CN 102270427A
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Abstract
The invention provides a method and an apparatus for enhancing a reading effect of an electronic book and an electronic terminal capable of reading an electronic book. The method comprises the following steps that: a photosensitive assembly obtains an illumination intensity value in a current environment; relations between the illumination intensity value and a preset upper limit value, a preset lower limit value and a preset critical threshold value of a non-sensitive area to chroma are determined; if the illumination intensity value is greater than the upper limit value or less than the lower limit value, a chromatic value of a foreground character is equal to the illumination intensity value and a background chromatic value is equal to a result that is caused by subtracting the illumination intensity value from 255; if the illumination intensity value is between the upper limit value and the critical threshold value, the chromatic value of the foreground character is equal to the upper limit value and the background chromatic value is equal to the lower limit value; if the illumination intensity value is between the lower limit value and the critical threshold value, the chromatic value of the foreground character is equal to the lower limit value and the background chromatic value is equal to the upper limit value; and a content of an electronic book is displayed according to the chromatic values of the foreground character and the background. According to the invention, chromas of a foreground character and a background are adjusted according to an environmental light intensity, so that a contrast effect can be strengthened to the greatest extent; therefore, it is convenient for a user to read and visual fatigue can be reduced.
Description
Technical field
The present invention relates to the e-book technical field, particularly relate to a kind of method and apparatus that strengthens the e-book reading effect, and, a kind of electric terminal with e-book reading function.
Background technology
Follow the development of hand-holding type electronic reading apparatus, e-book is stepped into people's reading habit day by day.At present, the main application of palm type electronic book reader is to read various e-book, above-mentioned reader is when showing the e-book content, often based on black and white, generally blank for mainly representing form with prospect literal and background, just traditional " white gravoply, with black engraved characters " is for the master or self-defining " black matrix wrongly written or mispronounced character " is provided; The former follows that paper book printing and reading habit develop and the traditional approach that comes, and the latter is the application mode that produces according to personalized reading habit.
But for the hand-holding type electronic reading apparatus of being carried, be in displaying contents in the continuous motion, because the environment in the moving process, the particularly continuous variation of light power, above-mentioned simple display mode, exist the problem of poor effect, manual mode to adjust the both inconvenient best contrast effect that also can't reach for the reading of human eye.As everyone knows, human eye sensitivity to same object under dark and high light environment is different, and the solution of all kinds of readers is improved visual effect by adjustment backlight illumination and contrast in the prior art; Yet, find that by test the action effect of above-mentioned adjusting is very unfavorable under the high light environment, can't obviously improve reading effect, what usually see is a slice white or grey, makes eye fatigue easily, can't read normally.
Summary of the invention
Technical matters to be solved by this invention provides a kind of method that strengthens the e-book reading effect, can solve prior art and under different light rays intensity the e-book reading effect be regulated unfavorable problem.
The present invention also provides a kind of device and a kind of electric terminal with e-book reading function that strengthens the e-book reading effect, to guarantee said method application in practice.
In order to address the above problem, the invention discloses a kind of method that strengthens the e-book reading effect, comprising: described photosensitive components obtains the illumination intensity value of current environment; Relation between the non-sensitive district of colourity higher limit, lower limit and the critical threshold values of judging described illumination intensity value and presetting; If described illumination intensity value is greater than described higher limit or less than described lower limit, then prospect literal chromatic value equals described illumination intensity value, and the background chromatic value equals 255 and deducts described illumination intensity value; If described illumination intensity value is between described higher limit and described critical threshold values, then described prospect literal chromatic value equals described higher limit, and described background chromatic value equals described lower limit; If described illumination intensity value is between described lower limit and described critical threshold values, then described prospect literal chromatic value equals described lower limit, and described background chromatic value equals described higher limit; Wherein, chromatic value 0 expression all black, chromatic value 255 expression whole whites; Show the e-book content according to described prospect literal chromatic value and described background chromatic value.
Preferably, before the relationship step between described illumination intensity value of described judgement and the default non-sensitive district of colourity higher limit, lower limit and the critical threshold values, also comprise: higher limit, lower limit and the critical threshold values in the non-sensitive district of the described colourity of initialization, wherein, described higher limit is not less than lower limit, described critical threshold values is between described higher limit and lower limit, and the span of described higher limit and lower limit is 0～255.
Preferably, the span of described higher limit is 154～164, and the span of described lower limit is 90～100, and the span of described critical threshold values is 127～128.
Preferably, obtain at described photosensitive components and also comprise that display mode sets step before the illumination intensity value step of current environment:, then automatically perform subsequent step if described display mode is the automatic color-changing conversion; If described display mode is the manual color change conversion, then need the user to start subsequent step according to the environmental change situation.
According to another preferred embodiment of the present invention, a kind of device that strengthens the e-book reading effect is also disclosed, comprise photosensitive components, initialization unit, judging unit and display unit: described photosensitive components is used for the intensity of illumination of acquisition environment, obtains the illumination intensity value of current environment; Described initialization unit is used for the prospect literal chromatic value to the higher limit in the non-sensitive district of colourity, lower limit, critical threshold values and e-book, the initial value of background chromatic value carries out pre-if revise; Described judging unit is used to analyze the relation between illumination intensity value that described photosensitive components obtains and described the initialization unit default non-sensitive district of colourity higher limit, lower limit and the critical threshold values, determines and calls described initialization unit described prospect literal chromatic value and background chromatic value are made amendment; Wherein, greater than described higher limit or less than described lower limit, then described prospect literal chromatic value equals described illumination intensity value as if described illumination intensity value, and described background chromatic value equals 255 and deducts described illumination intensity value; If described illumination intensity value is between described higher limit and described critical threshold values, then described prospect literal chromatic value equals described higher limit, and described background chromatic value equals described lower limit; If described illumination intensity value is between described lower limit and described critical threshold values, then described prospect literal chromatic value equals described lower limit, and described background chromatic value equals described higher limit; Described prospect literal chromatic value and background chromatic value that described display unit is used for setting according to described initialization unit show the e-book content; Wherein, chromatic value 0 expression all black, chromatic value 255 expression whole whites.
Preferably, the parameter of described initialization unit is provided with scope and is: the span of described higher limit is 154～164, and the span of described lower limit is 90～100, and the span of described critical threshold values is 127～128.
Preferably, described device comprises that also display mode is provided with the unit, is used to be provided with the display mode of e-book; Described display mode comprises automatic color-changing translative mode and manual color change translative mode.
According to another preferred embodiment of the present invention, a kind of electric terminal with e-book reading function is also disclosed, comprise the device that strengthens the e-book reading effect, described device comprises photosensitive components, initialization unit, judging unit and display unit: described photosensitive components is used for the intensity of illumination of acquisition environment, obtains the illumination intensity value of current environment; Described initialization unit is used for the prospect literal chromatic value to the higher limit in the non-sensitive district of colourity, lower limit, critical threshold values and e-book, the initial value of background chromatic value carries out pre-if revise; Described judging unit is used to analyze the relation between illumination intensity value that described photosensitive components obtains and described the initialization unit default non-sensitive district of colourity higher limit, lower limit and the critical threshold values, determines and calls described initialization unit described prospect literal chromatic value and background chromatic value are made amendment; Wherein, greater than described higher limit or less than described lower limit, then described prospect literal chromatic value equals described illumination intensity value as if described illumination intensity value, and described background chromatic value equals 255 and deducts described illumination intensity value; If described illumination intensity value is between described higher limit and described critical threshold values, then described prospect literal chromatic value equals described higher limit, and described background chromatic value equals described lower limit; If described illumination intensity value is between described lower limit and described critical threshold values, then described prospect literal chromatic value equals described lower limit, and described background chromatic value equals described higher limit; Described prospect literal chromatic value and background chromatic value that described display unit is used for setting according to described initialization unit show the e-book content; Wherein, chromatic value 0 expression all black, chromatic value 255 expression whole whites.
Preferably, described device comprises that also display mode is provided with the unit, is used to be provided with the display mode of e-book; Described display mode comprises automatic color-changing translative mode and manual color change translative mode.
Preferably, described electric terminal is personal digital assistant (PDA, Personal Digital Assistant), handheld device (PSP, PlayStation Portable) or mobile phone terminal.
Compared with prior art, the present invention has the following advantages:
The invention provides and a kind ofly adjust the scheme of prospect literal colourity and background clear area colourity according to ambient light intensity, and, " black matrix wrongly written or mispronounced character " and " white gravoply, with black engraved characters " display effect under the particular surroundings, but easy-to-read reduces visual fatigue.
Adjust the mode of background luminance with prior art and compare, the present invention program realizes by adjusting blank colourity of background and prospect literal colourity respectively, can strengthen contrast effect to greatest extent.
The present invention program can dynamically adjust the background colourity and the prospect literal colourity of e-book according to light intensity, therefore, can adapt to the reading environment of being carried, be in the electric terminal in the continuous motion.
The present invention program not only can be used for E-book reader, and other possesses the electric terminal of e-book reading function can also to be applied to PDA, PSP, mobile phone terminal etc.
Description of drawings
Fig. 1 is the method one embodiment process flow diagram that the present invention strengthens the e-book reading effect;
Fig. 2-a concerns synoptic diagram between prospect literal chromatic value of the present invention, background chromatic value and the intensity of illumination;
Fig. 2-b is the demonstration situation synoptic diagram of e-book under the present invention's " white gravoply, with black engraved characters " state;
Fig. 2-c is the demonstration situation synoptic diagram of e-book under the present invention's " black matrix wrongly written or mispronounced character " state;
Fig. 3 is the structured flowchart that the present invention strengthens device one embodiment of e-book reading effect;
Fig. 4 is the structured flowchart of electronic equipment one embodiment of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
One of core idea of the present invention is: can know that by the contrast experiment human eye is when reading " white gravoply, with black engraved characters " and " black matrix wrongly written or mispronounced character " word content, it is different fully to reach the intensity of illumination of reading visual effect preferably.Human eye get used to light softer or dark in read " white gravoply, with black engraved characters ", and reading " black matrix wrongly written or mispronounced character " under the stronger and outdoor high light of light intensity.Based on above-mentioned principle, by sensor devices or the manual mode of setting, allow hand-holding type electronic reading apparatus under strong, low light condition, can between " white gravoply, with black engraved characters " and " black matrix wrongly written or mispronounced character " or more accurate prospect literal and the blank contrast colors of background, carry out intelligence and adjust and change, in particular environment, select better display effect to read to make things convenient for the user.
Mating calculating for convenient and display screen show colourity, is 0～255 according to total darkness environment to the sun direct projection complete white range of definition down with intensity of illumination, be about to 0 and be defined as total darkness environment, 255 be defined as under the sunlight direct projection entirely in vain.Photosensitive components is changed the span value that obtains according to ambient lighting be mapped to this interval of definition, thereby can be easily according to the intensity of illumination that gets access to, calculate current content and show colourity numerical value, and then carry out the location and the demonstration of the blank gray scale color of prospect literal and background fast.
With reference to Fig. 1, show the flow process that the present invention strengthens method one embodiment of e-book reading effect, specifically may further comprise the steps:
Step 101: initialization system parameter;
Need initialized parameter comprise the non-sensitive district of colourity higher limit, lower limit and critical threshold values, relation and span thereof between three parameter values are:
The non-sensitive district of lower limit≤colourity, the non-sensitive district of colourity higher limit
The non-sensitive district of lower limit≤colourity, the non-sensitive district of the colourity non-sensitive district of critical threshold values≤colourity higher limit
The non-sensitive district of 0≤colourity lower limit≤255
The non-sensitive district of 0≤colourity higher limit≤255
In this preferred embodiment, the non-sensitive district of colourity higher limit, lower limit and critical threshold values initialization value are respectively 160,95 and 127.
Step 102: photosensitive components obtains the illumination intensity value of current environment;
Step 103: whether judge above-mentioned illumination intensity value greater than the default non-sensitive district of colourity higher limit, or less than the default non-sensitive district of colourity lower limit? if change step 104; Otherwise change step 105;
Step 104: prospect literal chromatic value is set to illumination intensity value, and the background chromatic value is set to (255-illumination intensity value); Change step 108;
Step 105: whether judge above-mentioned illumination intensity value greater than the default critical threshold values in the non-sensitive district of colourity, and smaller or equal to the default non-sensitive district of colourity higher limit? if then change step 106; Otherwise (be above-mentioned illumination intensity value smaller or equal to the default critical threshold values in the non-sensitive district of colourity, and more than or equal to the default non-sensitive district of colourity lower limit), step 107 changeed;
Step 106: the non-sensitive district of the colourity higher limit that prospect literal chromatic value is set to preset, the non-sensitive district of the colourity that the background chromatic value is set to preset lower limit; Change step 108;
Step 107: the non-sensitive district of the colourity lower limit that prospect literal chromatic value is set to preset, the non-sensitive district of the colourity that the background chromatic value is set to preset higher limit;
Step 108: prospect literal chromatic value and the background chromatic value set according to abovementioned steps show the e-book content.
In another preferred embodiment of the inventive method embodiment, before step 101, also comprise display mode setting step:, then automatically perform subsequent step if described display mode is the automatic color-changing translative mode; If described display mode is the manual color change translative mode, then need the user to start subsequent step according to the environmental change situation; In this preferred embodiment, default setting is the automatic color-changing translative mode.
In said method embodiment, the non-sensitive district higher limit that relates to for step 101, lower limit and critical threshold parameter, and the judgement of step 103～step 107 and assignment principle, be to prospect and the responsive situation of background colourity with reference to human eye, obtain through contrast test, show prospect literal chromatic value as Fig. 2-a, graph of a relation between background chromatic value and the intensity of illumination, among the figure, transverse axis is represented intensity of illumination, the longitudinal axis is represented colourity, dotted line represents that (functional relation is: background chromatic value=255-illumination intensity value) for relation between blank colourity of background and the intensity of illumination, solid line represents that (functional relation is: prospect literal chromatic value=illumination intensity value) for relation between prospect literal colourity and the intensity of illumination, dash box inside belongs to the non-sensitive district of color contrast, be the blank colourity of prospect literal and background in this frame the time contrast strong inadequately, in actual applications, intensity of illumination is not done progressive change at M (the non-sensitive district of colourity lower limit) to front and back, the zone scenery degree between the N (the non-sensitive district of colourity higher limit); The chromatic value of ordering corresponding to intensity of illumination point M, N be A and B (wherein: M=A, N=B).Because there is the non-sensitive district of above-mentioned light sensation, so when intensity of illumination changes, can there be sudden change colourity phenomenon, also turn over journey mutually between " white gravoply, with black engraved characters " and " black matrix wrongly written or mispronounced character " spoken of before promptly, the P point that this threshold limit value point is an intensity of illumination among the figure, the General Definition of obtaining of P value (the critical threshold values in the non-sensitive district of colourity) is cut apart the place in the centre of M, N, and corresponding colourity intensity level is the C point.
Wherein, the value of M and N is according to test determination, and can do suitable adjustment.Test determination, when M between 90～100, N is between 154～164, P can obtain more satisfactory display effect between 127～128 o'clock.Total trend is, total darkness environment also is that intensity of illumination is 0 o'clock, and the prospect literal is all black (prospect literal chromatic value is 0), and background is whole white (the background chromatic value is 255); Along with the enhancing gradually of intensity of illumination, prospect colourity strengthens, and background colourity weakens (deepening), after arriving M point, forward and backward scenery degree no longer changes with intensity of illumination, and the show state that is in more satisfactory gentleness (at this moment, prospect literal chromatic value is A, and the background chromatic value is B); After intensity of illumination arrived the P point, forward and backward scenery degree jumped to the corresponding chromatic value (at this moment, prospect literal chromatic value is B, and the background chromatic value is A) of intensity of illumination N point, but when intensity of illumination was put change from P to N, colourity was not done change; Intensity of illumination is behind the N point, and colourity is recovered again to continue to concern each self-adjusting (that is: background chromatic value=255-illumination intensity value with intensity of illumination and colourity; Prospect literal chromatic value=illumination intensity value).Fig. 2-b and Fig. 2-c show the effect of " wrongly written or mispronounced character black matrix " and " surplus white background " two kinds of extreme cases, need to prove, be not limited to two kinds of limiting cases shown in Fig. 2-b and Fig. 2-c in the reality, i.e. " the complete full text of an annotated book word of black background " or " complete white background and complete black literal ", but can on colourity, carry out necessary fine setting according to the variation of environment, to reach best reading contrast.
For aforesaid each method embodiment, simple in order to describe, so it all is expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not subjected to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art should know that also said method embodiment all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
With reference to Fig. 3, show the structured flowchart that the present invention strengthens device one embodiment of e-book reading effect, comprise that specifically initialization unit 21, photosensitive components 22, judging unit 23, display unit 24 and display mode are provided with unit 25, wherein:
Initialization unit 21: the initial value that is used for prospect literal chromatic value, the background chromatic value of higher limit, lower limit, critical threshold values and e-book to the non-sensitive district of colourity carries out pre-if revise;
Wherein, the parameter of initialization unit is provided with rule and range of parameter values is:
The non-sensitive district of lower limit≤colourity, the non-sensitive district of colourity higher limit
The non-sensitive district of lower limit≤colourity, the non-sensitive district of the colourity non-sensitive district of critical threshold values≤colourity higher limit
The range of parameter values of the non-sensitive district of colourity lower limit, the non-sensitive district of colourity higher limit, prospect literal chromatic value, background chromatic value is 0～255
In addition, the preferred span of the non-sensitive district of above-mentioned colourity higher limit is 154～164, and the preferred span of the non-sensitive district of colourity lower limit is 90～100, and the span of the critical threshold values in the non-sensitive district of colourity is 127～128.In this preferred embodiment, the non-sensitive district of colourity higher limit, lower limit and critical threshold values initialization value are respectively 160,95 and 127, and prospect literal chromatic value and background colourity value initialization value are respectively 160 and 95.
Photosensitive components 22: be used for the intensity of illumination of detection system environment of living in, obtain the illumination intensity value of current environment;
Judging unit 23: be used to analyze the relation between illumination intensity value that photosensitive components 22 obtains and the initialization unit 21 default non-sensitive district of colourity higher limit, lower limit and the critical threshold values, determine and call initialization unit 21 pairs of prospect literal chromatic value and the background chromatic value is made amendment;
Wherein:
When " the non-sensitive district of illumination intensity value＞colourity higher limit " or " the non-sensitive district of illumination intensity value＜colourity lower limit ", prospect literal chromatic value=illumination intensity value, background chromatic value=255-illumination intensity value;
When " illumination intensity value is between the critical threshold values of colourity non-sensitive district higher limit and the non-sensitive district of colourity " (i.e. " critical threshold values in the non-sensitive district of colourity＜illumination intensity value colourity≤non-sensitive district higher limit "), the non-sensitive district of prospect literal chromatic value=colourity higher limit, the non-sensitive district of background chromatic value=colourity lower limit;
When " illumination intensity value is between the critical threshold values of colourity non-sensitive district lower limit and the non-sensitive district of colourity " (i.e. " the non-sensitive district of colourity lower limit≤illumination intensity value colourity≤critical threshold values in non-sensitive district "), the non-sensitive district of prospect literal chromatic value=colourity lower limit, the non-sensitive district of background chromatic value=colourity higher limit.
Display unit 24: the prospect literal chromatic value and the background chromatic value that are used for setting according to initialization unit 21 show the e-book content.
Display mode is provided with unit 25: be used to be provided with the display mode of e-book, wherein, display mode comprises automatic color-changing translative mode and manual color change translative mode.In this preferred embodiment, the default setting that display mode is provided with unit 25 is the automatic color-changing translative mode.
With reference to Fig. 4, show the structured flowchart that the present invention has electric terminal one embodiment of e-book reading function, the device 2 that comprises e-book 1 and enhancing e-book reading effect, strengthen the device 2 of e-book reading effect, comprise that specifically initialization unit 21, photosensitive components 22, judging unit 23, display unit 24 and display mode are provided with unit 25, wherein:
Preserve the content of e-book in the e-book 1; The initial value that the initialization unit 21 that strengthens the device 2 of e-book reading effect is used for the prospect literal chromatic value of higher limit, lower limit, critical threshold values and e-book to the non-sensitive district of colourity, background chromatic value carries out pre-if revise; Photosensitive components 22 is used for the intensity of illumination of detection system environment of living in, obtains the illumination intensity value of current environment; Judging unit 23: be used to analyze the relation between illumination intensity value that photosensitive components 22 obtains and the initialization unit 21 default non-sensitive district of colourity higher limit, lower limit and the critical threshold values, determine and call initialization unit 21 pairs of prospect literal chromatic value and the background chromatic value is made amendment; Display unit 24 is used for the content according to the prospect literal chromatic value of initialization unit 21 settings and background chromatic value demonstration e-book 1; Display mode is provided with the display mode that unit 25 is used for e-book and is set to automatic color-changing translative mode or manual color change translative mode.
Need to prove that the electric terminal in this preferred embodiment can be E-book reader, also can be PDA, PSP or the mobile phone terminal with e-book reading function.
Need to prove that in addition said apparatus and electric terminal embodiment belong to preferred embodiment, related unit and module might not be that the present invention is necessary.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For device embodiment of the present invention, because it is similar substantially to method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
More than a kind of method and apparatus and a kind of electric terminal with e-book reading function that strengthens the e-book reading effect provided by the present invention is described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a method that strengthens the e-book reading effect is characterized in that, includes photosensitive components in the system at described e-book place, and described method comprises:
Described photosensitive components obtains the illumination intensity value of current environment;
Relation between the non-sensitive district of colourity higher limit, lower limit and the critical threshold values of judging described illumination intensity value and presetting; If described illumination intensity value is greater than described higher limit or less than described lower limit, then prospect literal chromatic value equals described illumination intensity value, and the background chromatic value equals 255 and deducts described illumination intensity value; If described illumination intensity value is between described higher limit and described critical threshold values, then described prospect literal chromatic value equals described higher limit, and described background chromatic value equals described lower limit; If described illumination intensity value is between described lower limit and described critical threshold values, then described prospect literal chromatic value equals described lower limit, and described background chromatic value equals described higher limit; Wherein, chromatic value 0 expression all black, chromatic value 255 expression whole whites;
Show the e-book content according to described prospect literal chromatic value and described background chromatic value.
2. the method for claim 1, it is characterized in that, before the relationship step between described illumination intensity value of described judgement and the default non-sensitive district of colourity higher limit, lower limit and the critical threshold values, also comprise: higher limit, lower limit and the critical threshold values in the non-sensitive district of the described colourity of initialization, wherein, described higher limit is not less than lower limit, described critical threshold values is between described higher limit and lower limit, and the span of described higher limit and lower limit is 0～255.
3. method as claimed in claim 2 is characterized in that, the span of described higher limit is 154～164, and the span of described lower limit is 90～100, and the span of described critical threshold values is 127～128.
4. the method for claim 1 is characterized in that, obtains at described photosensitive components also to comprise that display mode sets step before the illumination intensity value step of current environment: if described display mode is the automatic color-changing conversion, then automatically perform subsequent step; If described display mode is the manual color change conversion, then need the user to start subsequent step according to the environmental change situation.
5. a device that strengthens the e-book reading effect is characterized in that, described device comprises photosensitive components, initialization unit, judging unit and display unit:
Described photosensitive components is used for the intensity of illumination of acquisition environment, obtains the illumination intensity value of current environment;
Described initialization unit is used for the prospect literal chromatic value to the higher limit in the non-sensitive district of colourity, lower limit, critical threshold values and e-book, the initial value of background chromatic value carries out pre-if revise;
Described judging unit is used to analyze the relation between illumination intensity value that described photosensitive components obtains and described the initialization unit default non-sensitive district of colourity higher limit, lower limit and the critical threshold values, determines and calls described initialization unit described prospect literal chromatic value and background chromatic value are made amendment; Wherein, greater than described higher limit or less than described lower limit, then described prospect literal chromatic value equals described illumination intensity value as if described illumination intensity value, and described background chromatic value equals 255 and deducts described illumination intensity value; If described illumination intensity value is between described higher limit and described critical threshold values, then described prospect literal chromatic value equals described higher limit, and described background chromatic value equals described lower limit; If described illumination intensity value is between described lower limit and described critical threshold values, then described prospect literal chromatic value equals described lower limit, and described background chromatic value equals described higher limit;
Described prospect literal chromatic value and background chromatic value that described display unit is used for setting according to described initialization unit show the e-book content;
Wherein, chromatic value 0 expression all black, chromatic value 255 expression whole whites.
6. device as claimed in claim 5, it is characterized in that, the parameter of described initialization unit is provided with scope: the span of described higher limit is 154～164, and the span of described lower limit is 90～100, and the span of described critical threshold values is 127～128.
7. device as claimed in claim 5 is characterized in that, described device comprises that also display mode is provided with the unit, is used to be provided with the display mode of e-book; Described display mode comprises automatic color-changing translative mode and manual color change translative mode.
8. the electric terminal with e-book reading function is characterized in that, described electric terminal comprises the device that strengthens the e-book reading effect, and described device comprises photosensitive components, initialization unit, judging unit and display unit:
Described photosensitive components is used for the intensity of illumination of acquisition environment, obtains the illumination intensity value of current environment;
Described initialization unit is used for the prospect literal chromatic value to the higher limit in the non-sensitive district of colourity, lower limit, critical threshold values and e-book, the initial value of background chromatic value carries out pre-if revise;
Described judging unit is used to analyze the relation between illumination intensity value that described photosensitive components obtains and described the initialization unit default non-sensitive district of colourity higher limit, lower limit and the critical threshold values, determines and calls described initialization unit described prospect literal chromatic value and background chromatic value are made amendment; Wherein, greater than described higher limit or less than described lower limit, then described prospect literal chromatic value equals described illumination intensity value as if described illumination intensity value, and described background chromatic value equals 255 and deducts described illumination intensity value; If described illumination intensity value is between described higher limit and described critical threshold values, then described prospect literal chromatic value equals described higher limit, and described background chromatic value equals described lower limit; If described illumination intensity value is between described lower limit and described critical threshold values, then described prospect literal chromatic value equals described lower limit, and described background chromatic value equals described higher limit;
Described prospect literal chromatic value and background chromatic value that described display unit is used for setting according to described initialization unit show the e-book content;
Wherein, chromatic value 0 expression all black, chromatic value 255 expression whole whites.
9. electric terminal as claimed in claim 8 is characterized in that, described device comprises that also display mode is provided with the unit, is used to be provided with the display mode of e-book; Described display mode comprises automatic color-changing translative mode and manual color change translative mode.
10. electric terminal as claimed in claim 8 or 9 is characterized in that described electric terminal is E-book reader, personal digital assistant, handheld device or mobile phone terminal.
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| CN201010197396.5A CN102270427B (en) | 2010-06-04 | 2010-06-04 | Method and apparatus for enhancing reading effect of electronic book and electronic terminal |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN105278907A (en) * | 2015-06-27 | 2016-01-27 | 维沃移动通信有限公司 | Display method and mobile terminal |
| CN105043431A (en) * | 2015-08-14 | 2015-11-11 | 昂纳信息技术（深圳）有限公司 | Method for improving stability and precision of sensor |
| CN108446705A (en) * | 2017-02-16 | 2018-08-24 | 华为技术有限公司 | The method and apparatus of image procossing |
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