CN101179649B - Image processing apparatus, image processing method, electro-optical device and electronic device - Google Patents
Image processing apparatus, image processing method, electro-optical device and electronic device Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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Abstract
The invention is capable of suppressing motion image faintness without reducing the brightness of the whole image and the necessity of complex image process. An image processing apparatus includes a first frame image acquisition unit that acquires a plurality of first frame images constituting a moving image, a second frame image insertion section that generates a second frame image and inserts the second frame image including a white image between successive ones of the plurality of acquired first frame images, and a frame image output unit that outputs the plurality of first frame images with the second frame images inserted therebetween. The second frame image insertion section comprises a multiplier frame image generation section for generating continuous multiplier frame image according to time sequence after acquiring a plurality of first frame images, a white image pattern generation section for generating white image pattern including white image for switching the multiplier frame image to the second frame image and a second frame image conversion section for switching the multiplier frame image to the second frame image according to the white image pattern.
Description
Technical field
The present invention relates to image processing apparatus, image processing method, electro-optical device and electronic equipment.
Background technology
In the electro-optical devices such as liquid-crystal apparatus that show with hold mode, with (CathodeRay Tube: the display unit that shows with pulse condition cathode ray tube) is compared as CRT, when the demonstration of moving image, people's visual image retention will be seen significantly, thereby the edge of the mobile object picture in display image is with the motion image blurring that seems to blur.For example, following patent documentation 1 and 2 and non-patent literature 1 in, introduced an example of the technology of the motion image blurring that is used to suppress such.
In patent documentation 1, limit the fluorescent lifetime of interframe by the control that utilizes luminosity, suppress motion image blurring.In addition, in non-patent literature 1,, do not reduce brightness and realize pulse condition with simulating by the original image of 1 picture is shown with 2 images than bright image of original image and dark image.In addition, in patent documentation 2, an image part is covered with black band, and the position of this band is moved from the top down.At this moment, though what covered is the part of image by band,, with 1 image duration during integration, just in 1 frame, form do not occur image during, thereby just obtained effect identical when inserting black image (below, abbreviate black insertion as) to image is all.
[patent documentation 1] spy opens flat 4-302289 communique
[patent documentation 2] spy opens the 2005-10579 communique
デ ィ ス プ レ ィ ズ ニ ュ one ス リ リ, one ス of [non-patent literature 1] Co., Ltd. Hitachi on April 10th, 2006 " デ ジ タ Le テ レ PVC is drawn the new skill Intraoperative of ying " Off レ キ シ Block Le BI " The development with IPS liquid crystal パ ネ Le イ ニ ぉ け ゐ Move " (http://www.hitachi.co.jp/New/cnews/month/2006/04/0410a.html)
But in above-mentioned patent documentation 1 described technology, by restriction interframe fluorescent lifetime, image is all with deepening.In addition, in above-mentioned non-patent literature 1 described technology, though can reduce all deepenings of image,, divide anti-phase image etc. with generating in real time with highlights, complicated thereby image processing will become.In addition, in above-mentioned patent documentation 2 described technology, though can equally with non-patent literature 1 described technology can reduce all deepenings of image,, can not obtain and do not deceive brightness identical when inserting.
Fig. 9 is illustrated in the figure that deceives the example that has earlier that inserts between the two field picture that constitutes moving image.Among the figure, the image of f1 and the graphical representation of f3 constitute the two field picture f1 and the two field picture f3 of moving image, and the two field picture f2 and the two field picture f4 of black insertion carried out in the image of f2 and the graphical representation of f4.As shown in the figure,, deceive after the two field picture f3 and insert two field picture f4, can suppress the motion image blurring of two field picture f1 and two field picture f3 by the black two field picture f2 that inserts after two field picture f1.But, because two field picture f2 and two field picture f4 are the images of deceiving, so, when two field picture f1～f4 is shown as image, compare with original image, all deepenings of image.
According to one of effect of the present invention, can not reduce all brightness of image and suppress motion image blurring.In addition, can not need to carry out complex image processing and suppress motion image blurring.
As previously mentioned, between the two field picture that constitutes moving image shown in Figure 9, deceive in the image processing method that inserts, compare, can not avoid the image deepening with original image.Inventor of the present invention improves the experiment of this situation, has obtained following understanding.
That is, the effect of the black insertion that has earlier=" be provided with non-luminous during, suppress motion image blurring " by the memory of eliminating vision, proof by experiment also can obtain this effect for complete during white even picture is set.
Summary of the invention
Image processing apparatus of the present invention is characterized in that, has: the 1st two field picture obtaining section that obtains a plurality of the 1st two field pictures that constitute moving image; Generation comprises the 2nd two field picture of the white image of representing white image and the 2nd two field picture insertion section of inserting the 2nd two field picture respectively between above-mentioned a plurality of the 1st two field pictures of obtaining; Inserted the two field picture efferent of above-mentioned a plurality of the 1st two field pictures of above-mentioned the 2nd two field picture with output.
According to image processing apparatus of the present invention, the 1st two field picture obtaining section obtains a plurality of the 1st two field pictures that constitute moving image, and the 2nd two field picture insertion section generates the 2nd two field picture that comprises white image, and the 2nd two field picture that will comprise this white image is inserted between the 1st two field picture.And the 1st two field picture of the 2nd two field picture has been inserted in the output of two field picture efferent.Like this, in the time will showing as image from the two field picture of two field picture efferent output, owing between the 1st two field picture, have the 2nd two field picture that comprises white image, so, be provided with during 1 frame of display image do not occur image during, thereby can suppress motion image blurring.In addition, because the 2nd two field picture that inserts is white image, so, can not reduce all brightness of image and suppress motion image blurring.In addition, this image processing does not need complex image processing etc., can be easy to realize.
In the image processing apparatus of the invention described above, it is characterized in that above-mentioned the 2nd two field picture insertion section has: be created on after above-mentioned a plurality of the 1st two field pictures of obtaining doubly fast two field picture generating unit by the continuous doubly fast two field picture of time sequence; Generation comprises the white image graphics generating unit of white image graphics that is used for above-mentioned times of fast two field picture is transformed to the above-mentioned white image of above-mentioned the 2nd two field picture; With the 2nd two field picture transformation component that above-mentioned times of fast two field picture is transformed to above-mentioned the 2nd two field picture according to above-mentioned white image graphics.
In the image processing apparatus of the invention described above, it is characterized in that: above-mentioned the 2nd two field picture transformation component is set above-mentioned white image according to above-mentioned white image graphics in all images of above-mentioned times of fast two field picture, thereby above-mentioned times of fast two field picture is transformed to above-mentioned the 2nd two field picture.
In the image processing apparatus of the invention described above, it is characterized in that: above-mentioned times of fast two field picture generating unit is created on after 1 above-mentioned the 1st two field picture continuous by the time sequence, above-mentioned times of fast two field picture of n frame (n is the integer more than or equal to 2) with image identical with the 1st two field picture, above-mentioned the 2nd two field picture transformation component is when being divided into n parts of images respectively with the doubly fast two field picture of said n frame, to the fast two field picture of each this times, by with in this n parts of images between the fast two field picture of this times 1 parts of images of different split positions be set at above-mentioned white image, and the fast two field picture of each this times is transformed to above-mentioned the 2nd two field picture.
In the image processing apparatus of the invention described above, it is characterized in that: above-mentioned the 2nd two field picture insertion section also has the brightness test section of the intensity level that detects above-mentioned the 1st two field picture of obtaining, above-mentioned white image graphics generating unit is set the brightness value of above-mentioned white image according to the intensity level that detects, improve the brightness value of the white image that above-mentioned white image graphics comprises when making intensity level in above-mentioned detection high, and when the intensity level of above-mentioned detection is low, reduce the brightness value of above-mentioned white image.
In the image processing apparatus of the invention described above, it is characterized in that: the brightness value that above-mentioned white image graphics generating unit is set above-mentioned white image by the intensity level and the above-mentioned threshold value of more above-mentioned detection, make the brightness value that when the intensity level of above-mentioned detection surpasses specified threshold value, improves above-mentioned white image, and when the intensity level of above-mentioned detection surpasses above-mentioned threshold value, reduce the brightness value of above-mentioned white image.
Image processing method of the present invention is characterised in that, comprising: the 1st two field picture of obtaining a plurality of the 1st two field pictures that constitute moving image is obtained step; Generation comprises the 2nd two field picture of the white image of representing white image and insert the 2nd two field picture inserting step of the 2nd two field picture respectively between above-mentioned a plurality of the 1st two field picture of obtaining; Insert the two field picture of above-mentioned a plurality of the 1st two field pictures of above-mentioned the 2nd two field picture with output and exported step.
Electro-optical device of the present invention is characterised in that: have above-mentioned any 1 image processing apparatus.
Electronic equipment of the present invention is characterised in that: have above-mentioned any 1 image processing apparatus.
Description of drawings
Fig. 1 is the block diagram of example of schematic configuration of the image processing apparatus of expression embodiments of the invention 1.
Fig. 2 is the flow chart of action of the image processing apparatus of expression embodiments of the invention 1.
Fig. 3 is the flow chart that expression generates the action of white image graphics.
Fig. 4 represents the figure according to the example of the two field picture of white image graphics conversion, and Fig. 4 (a) is the figure of the white image graphics of expression, and Fig. 4 (b) is the figure that expression is inserted into the 2nd two field picture between the 1st two field picture.
Fig. 5 is the figure of expression according to the example of the two field picture of the different white image graphics conversion of brightness value, and Fig. 5 (a) is the figure of 2 kinds of different white image graphics of expression brightness value, and Fig. 5 (b) is the figure that expression is inserted into the 2nd two field picture between the 1st two field picture.
Fig. 6 is expression according to the figure of the example of the two field picture of white image graphics after with a part of conversion, Fig. 6 (a) is the figure that expression is divided into the doubly fast two field picture of parts of images, Fig. 6 (b) is the figure of the white image graphics of expression, and Fig. 6 (c) is the figure that expression has override the doubly fast two field picture of white image.
Fig. 7 is the figure of the expression moving image and the variation of the brightness of white image.
Fig. 8 is the block diagram of example of schematic configuration of the image processing circuit of expression embodiments of the invention.
Fig. 9 is illustrated in to deceive the figure that example is arranged earlier that inserts between the two field picture that constitutes moving image.
Symbol description
1 ... image processing apparatus 5 ... image processing circuit 11 ... the 1st two field picture obtaining section 21 ... the 2nd two field picture insertion section 22 ... speed two field picture generating unit 23 ... brightness test section 24 ... white image graphics generating unit 25 ... the 2nd two field picture transformation component 31 ... two field picture efferent 51 ... the 1st two field picture is obtained circuit 61 ... the 2nd two field picture inserts circuit 62 ... speed two field picture generative circuit 63 ... luminance detection circuit, 64 ... white image graphics generative circuit 65 ... the 2nd two field picture translation circuit 71 ... the two field picture output circuit
Embodiment
Below, with reference to the image processing apparatus of description of drawings embodiments of the invention 1.
(schematic configuration of image processing apparatus)
The schematic configuration of the image processing apparatus of embodiments of the invention 1 at first, is described.Fig. 1 is the block diagram of example of schematic configuration of the image processing apparatus of expression embodiments of the invention 1.As shown in the figure, image processing apparatus 1 has the 1st two field picture obtaining section the 11, the 2nd two field picture insertion section 21 and two field picture efferent 31.In addition, the 2nd two field picture insertion section 21 has doubly fast two field picture generating unit 22, brightness test section 23, white image graphics generating unit 24 and the 2nd two field picture transformation component 25.
The 1st two field picture obtaining section 11 is accepted as data image signal from the moving image that external equipments such as DVD player or video tape recorder and PC will be made of the pixel value of the appointment of the pixel count of appointment and RGB form etc., obtains a plurality of the 1st two field pictures that constitute this moving image.Here, 1 width of cloth two field picture is represented the rest image suitable with 1 frame of moving image.
It all is that the white image (below, abbreviate white image as white image) or the part of image are the 2nd two field picture of white image that the 2nd two field picture insertion section 21 generates images, and the 2nd two field picture that will generate is inserted between a plurality of the 1st two field pictures of obtaining.
Two field picture efferent 31 will the 2nd two field picture be inserted into two field picture between a plurality of the 1st two field pictures of obtaining as data image signal to outputs such as display unit.
Secondly, a plurality of the 1st two field pictures that 22 pairs of the doubly fast two field picture generating units that the 2nd two field picture insertion section 21 is had obtain generate by n continuous (n is the integer more than or equal to 1) doubly fast two field picture of time sequence.Like this, 1 the 1st two field picture just becomes the two field picture of (n+1) width of cloth number doubly, has realized (n+1) doubly speedization.For example, after 1 the 1st two field picture, generate the doubly fast two field picture of 1 width of cloth, just become the two field picture of 2 width of cloth (2 times of speedization) altogether, and generate the doubly fast two field picture of 2 width of cloth, just become the two field picture of 3 width of cloth (3 times of speedization) altogether.
A plurality of the 1st two field pictures that 23 pairs of brightness test sections are obtained detect their intensity level.Here, the detection of intensity level is carried out the calculating of following formula to whole pixels that 1 the 1st two field picture is comprised earlier, calculates lightness signal according to their pixel.And, with the mean value of the lightness signal that calculates intensity level as the 1st two field picture.
Lightness signal=0.3 * R+0.6 * G+0.1 * B
The method of sensed luminance level is not limited to said method, also can use method for distinguishing sensed luminance level.
White image graphics generating unit 24 generates the white image graphics that will use in the time of will being transformed to the 2nd two field picture by the doubly fast two field picture of doubly fast two field picture generating unit 22 generations.For this white image graphics, set the white image that on fast two field picture doubly, overrides.In addition, the brightness value of this white image is set according to the intensity level of the 1st two field picture that is detected by brightness test section 23.
The 2nd two field picture transformation component 25 is incited somebody to action doubly according to the white image graphics that is generated by white image graphics generating unit 24, and fast two field picture is transformed to the 2nd two field picture.Particularly, fast two field picture is doubly override the white image of being set by white image graphics, doubly fast two field picture is transformed to the 2nd two field picture.
Here, though not shown among the figure,, image processing apparatus 1 has medium that storage is used to control the program of each part mentioned above, is used to carry out the CPU of these programs and the RAM of the needed data of stored program execution.And,, realize the processing of each part mentioned above by carrying out said procedure by above-mentioned CPU.In addition, so-called medium, be exactly the mode that the reads medium of optics such as semiconductor storage media such as RAM and ROM, FD and HD equimagnetic storage-type medium, CD and CD, VLD, DVD, the mode that the reads medium of MO equimagnetic storage-type/optics, no matter be read method electronics, magnetic, optics, so long as the medium that can be read by computer just, comprise all mediums.In addition, each part mentioned above only comprises that program by special use realizes the situation of its function and utilizes special-purpose program control hardware and realize the situation of its function.Also can only constitute the function of each part mentioned above by the hardware of special use.
(action of image processing apparatus)
Below, the action of the image processing apparatus of embodiments of the invention 1 is described.Fig. 2 is the flow chart of action of the image processing apparatus of expression embodiments of the invention 1.
At first, at step S110, the moving image that the 1st two field picture obtaining section 11 is imported with data image signal from external equipment acceptance, and obtain a plurality of the 1st two field pictures that constitute this moving image by the time sequence order frame by frame.Step S120 afterwards～S160 handles by the width of cloth the 1st two field picture of obtaining.
At step S120,22 pairs of the 1st two field pictures of obtaining at step S110 of doubly fast two field picture generating unit generate the doubly fast two field picture of the n width of cloth after the 1st two field picture.
At step S130, white image graphics generating unit 24 is created on the white image graphics that uses when the doubly fast two field picture of the n width of cloth that step S120 is generated is transformed to the 2nd two field picture.Here, generate the white image graphics that fast two field picture is doubly all override.Details about the action that generates white image graphics is described later.
At step S140, the 2nd two field picture transformation component 25 is transformed to n the 2nd two field picture according to the white image graphics that generates at step S130 with the doubly fast two field picture of the n width of cloth.Here, by will each doubly fast two field picture all being override, the fast two field picture of each times is transformed to the 2nd two field picture by the white image that white image graphics is set.
At step S150, with the 1st two field picture obtained and by the time sequence bit in thereafter at n the 2nd two field picture of step S140 conversion as data image signal to outputs such as display unit.Shu Chu two field picture is inserted into two field picture between a plurality of the 1st two field pictures of obtaining with regard to constituting with white image like this.
At step S160, whether the 1st two field picture that judgement obtains is last frame.When being last frame, the action of image processing apparatus 1 promptly comes to an end.On the other hand, when being not last frame, just turn back to step S110, obtain 1st two field picture suitable with following 1 frame of moving image.
(generating the action of white image graphics)
Below, the details of the action that generates white image graphics is described.
Fig. 3 is the flow chart that expression generates the action of white image graphics.
At first, at step S210, brightness test section 23 calculates lightness signal, the sensed luminance level by the mean value that calculates them according to whole pixels that the 1st two field picture of obtaining is comprised.
At step S220, will compare in intensity level and the specified threshold value that step S210 detects, judge that the 1st two field picture is bright or dark.When intensity level surpasses specified threshold value, that is, judge when the 1st two field picture is bright, just enter step S230, improve the brightness value of the white image that the dialogue image graphics sets.Image just is set at common white (improving the white of brightness value) like this, in vain.
On the other hand, when intensity level does not surpass specified threshold value, that is, judge when the 1st two field picture is dark, just enter step S240, reduce the brightness value of the white image that the dialogue image graphics sets slightly.Image just is set at ash (slightly reducing the white of brightness value) like this, in vain.
More than, the action that generates white image graphics promptly comes to an end, and turns back to the processing of flow chart shown in Figure 2.
It is suitable with above-mentioned steps S110 that the 1st two field picture of the present invention is obtained step.In addition, the 2nd two field picture inserting step of the present invention is suitable with above-mentioned steps S120～S140.In addition, two field picture output step of the present invention is suitable with above-mentioned steps S150.
(example of the two field picture after the conversion)
Below, illustrate according to white image graphics and the example of the two field picture of conversion.Fig. 4 be expression according to white image graphics and the example of the two field picture of conversion, Fig. 4 (a) is the figure of the white image graphics of expression, Fig. 4 (b) is the figure that expression is inserted into the 2nd two field picture between the 1st two field picture.White image graphics p1 shown in Fig. 4 (a) generates at step S130 shown in Figure 2, to image all set common white.
In addition, the image of f1 shown in Fig. 4 (b) is the 1st two field picture f1 that obtains at step S110 i, and the image of f3 is (i+1) individual the 1st two field picture f3 that obtains.In addition, the image of f2 shown in Fig. 4 (b) be to the doubly fast two field picture of 1 width of cloth that generates at step S120 by overriding all of the white image graphics p1 shown in Fig. 4 (a) and the 2nd two field picture f2 of conversion to it at step S140, the image of f4 is the 2nd two field picture of same conversion.Transverse axis t among Fig. 4 (b) and the later figure represents the process of time from left to right, represents that each two field picture is continuous by the time sequence.
Shown in Fig. 4 (b), the moving image converting of accepting from external equipment is the two field picture group between each the 1st two field picture that white image is inserted into this moving image of formation.
In addition, Fig. 5 be expression according to the different white image graphics of brightness value and the figure of the example of the two field picture of conversion, Fig. 5 (a) is 2 kinds of different white image graphics of brightness value, Fig. 5 (b) is the figure that expression is inserted into the 2nd two field picture between the 1st two field picture.For 2 kinds of white image graphics shown in Fig. 5 (a), white image graphics p1 that sets common white (improving the white of brightness value) and the white image graphics p2 that sets ash (slightly reducing the white of brightness value) are arranged.
In addition, the image of f1, f3 shown in Fig. 5 (b) and f5 is respectively i, (i+1) individual and (i+2) individual the 1st two field picture f1, f3, f5 that obtains.In addition, the image of f2 shown in Fig. 5 (b) and f6 be respectively to fast two field picture doubly by overriding all of the white image graphics p1 (in vain) shown in Fig. 5 (a) the 2nd two field picture f2, the f6 of conversion.On the other hand, the image of the f4 shown in Fig. 5 (b) is the television frame image f4 of conversion by overriding all of white image graphics p2 (ash).
The situation of example shown in Figure 5 at step S210 shown in Figure 3, detects the 1st two field picture f1, f3, the f5 shown in Fig. 5 (b), at step S220, judges that each image is bright or dark.Its result since the 1st two field picture f1, the f5 shown in Fig. 5 (b) is judged to be bright, so, the 2nd two field picture f2, f6 are set common white.On the other hand, dark owing to the 1st two field picture f3 shown in Fig. 5 (b) is judged to be, so, the 2nd two field picture f4 is set ash.
Like this, shown in Fig. 5 (b), the moving image converting of accepting from external equipment is inserted into common white or grey image the respectively two field picture group between the 1st two field picture that constitutes this moving image for the brightness according to each the 1st two field picture.
In the example of above-mentioned Fig. 4 (b) and Fig. 5 (b),, generate the doubly fast two field picture of 1 width of cloth according to 1 the 1st two field picture at step S120.But the width of cloth number of the doubly fast two field picture that generates according to 1 the 1st two field picture is not limited to 1 width of cloth.For example, can generate 2 width of cloth or the doubly fast two field picture of 3 width of cloth according to 1 the 1st two field picture, and the fast two field picture of each times is override white image graphics and is transformed to the 2nd two field picture.
(effect)
As mentioned above, in the image processing apparatus 1 of present embodiment, shown in the example of Fig. 4 (b), the moving image converting of accepting from external equipment is the two field picture group between each the 1st two field picture that white image is inserted into this moving image of formation.
In the example that has earlier shown in Figure 9, insert two field picture f2 by after two field picture f1, deceiving, after two field picture f3, deceive and insert two field picture f4, can suppress the motion image blurring of two field picture f1 and f3.But, because two field picture f2 and f4 are the images of deceiving, so, when two field picture f1～f4 is shown as image, to compare with original image, image is all with deepening.
On the other hand, in the example shown in Fig. 4 of present embodiment (b), become the two field picture f2 of white image and after two field picture f3, insert the two field picture f4 that becomes white image, can suppress the motion image blurring of two field picture f1 and f3 by after two field picture f1, inserting.In addition, because two field picture f2 and f4 are white images, so, when two field picture f1～f4 is shown as image, to compare with original image, image all will can deepening.That is, can not reduce all brightness of image and suppress motion image blurring.
In addition, in the example that has earlier shown in Figure 9,, increase the width of cloth number of between the two field picture that constitutes moving image, deceiving the two field picture that inserts sometimes in order to adjust the inhibition effect of motion image blurring.At this moment, when showing, owing to increased picture black, so that image all will become will be darker as image.
On the other hand, in the example shown in Fig. 4 of present embodiment (b), can increase the width of cloth number of the two field picture that becomes white image that between the two field picture that constitutes moving image, inserts.At this moment, when showing as image, owing to increase white image, image all can deepening.That is, can not reduce all brightness of image and adjust the inhibition effect of motion image blurring.
In addition, in the image processing apparatus 1 of present embodiment, shown in the example of Fig. 5 (b), the moving image converting of accepting from external equipment is inserted into common white or grey image the respectively two field picture group between the 1st two field picture that constitutes this moving image for the brightness according to each the 1st two field picture.
During follow-up dark image, when the white image that brightness value is high was inserted between the 1st two field picture that becomes this image scene, then all contrasts of the image of this image scene might reduce in the image scene of moving image.Therefore, in the example shown in Fig. 5 (b), according to the intensity level of the 1st two field picture, if bright image is just set and inserted common white image, on the contrary, if dark image, just the image of ash is inserted in setting.If the 1st two field picture is dark image owing to insert the image of ash, so, even in the image scene of moving image follow-up dark image, also can not reduce the contrast of image, thereby can suppress motion image blurring.
Below, with reference to the image processing apparatus of description of drawings embodiments of the invention 2.
(schematic configuration of image processing apparatus and action)
The schematic configuration of the image processing apparatus of embodiments of the invention 2 is identical with the schematic configuration of the image processing apparatus of above-mentioned embodiment 1 shown in Figure 1.In addition, identical with the action of the image processing apparatus of above-mentioned Fig. 2 and embodiment 1 shown in Figure 3 basically about the action of the image processing apparatus of embodiment 2, still, different with embodiment 1 about the contents processing of the part of the flow chart of Fig. 2.
Particularly, the generation of step S120 shown in Figure 2 doubly the doubly fast two field picture of the processing of the white image graphics of generation of processing, the step S130 of fast two field picture and step S140 be transformed to a part of different of contents processing in the processing of the 2nd two field picture.
In the situation of embodiment 2, in the generation of step S120 doubly in the processing of fast two field picture, different with the situation of embodiment 1, after the 1st two field picture, generate the doubly fast two field picture of the n width of cloth (n is the integer more than or equal to 2) with image identical with the 1st two field picture of obtaining.
In addition, in the situation of embodiment 2, in the processing of the white image graphics of generation of step S130, different with the situation of embodiment 1, not to generate, but generate each white image graphics of overriding of the part of fast two field picture doubly to each white image graphics that all overrides of fast two field picture doubly.
In addition, the situation of embodiment 2, doubly fast two field picture at step S140 is transformed in the processing of the 2nd two field picture, different with the situation of embodiment 1, be not by to each doubly fast two field picture all override white image but by to each doubly the part of fast two field picture override white image, will be doubly fast two field picture be transformed to the 2nd two field picture.
At the step S140 of the foregoing description 2, what is called overrides the part of the doubly fast two field picture of white image, is to represent 1 parts of images for each doubly fast two field picture when the doubly fast two field picture of the n width of cloth is divided into n parts of images respectively.In addition, in each doubly fast two field picture, become this 1 parts of images that overrides object and between each doubly fast two field picture, be positioned at different split positions.
Fig. 6 is the figure that has represented according to white image graphics conversion the example of a part of two field picture, Fig. 6 (a) is the figure that expression is divided into the doubly fast two field picture of parts of images, Fig. 6 (b) is the figure of the white image graphics of expression, and Fig. 6 (c) is the figure that expression has override the doubly fast two field picture of white image.In the doubly fast two field picture shown in Fig. 6 (a), image all is divided into 4 parts of images b1～b4.
In addition, in each the white image graphics p1～p4 shown in Fig. 6 (b), to the cut zone w1～w4 of the white image graphics corresponding with the parts of images b1～b4 shown in Fig. 6 (a), about each white image graphics, the cut zone w1 cut zone w4 downwards from the top sets white image one by one.
In addition, in the doubly fast two field picture f1～f4 shown in Fig. 6 (c),, the cut zone w1～w4 of the white image of having set the white image graphics p1～p4 shown in Fig. 6 (b) is override the image identical with the 1st two field picture.At this moment, to the fast two field picture f1～f4 of each times, about each doubly fast two field picture, the parts of images b1 parts of images b4 downwards from the top sets white image one by one.That is, the parts of images of split positions different between each doubly fast two field picture is set white image.
The moving image converting of accepting from external equipment is the two field picture group between each the 1st two field picture that the doubly fast two field picture shown in Fig. 6 (c) is inserted into this moving image of formation.
(effect)
As mentioned above, in the image processing apparatus 1 of present embodiment, the moving image converting of accepting from external equipment is the two field picture group between each the 1st two field picture that the doubly fast two field picture shown in the example of Fig. 6 (c) is inserted into this moving image of formation.
In the example of Fig. 6 (c), because the parts of images of split positions different between each doubly fast two field picture has been set white image, so, during the fast two field picture of these times carried out during integration, can show white image to frame is all.Like this, just the same with the situation of the foregoing description 1, can obtain white image is inserted into the respectively effect between the 1st two field picture that constitutes moving image.In addition, by increase and decrease be inserted into the width of cloth number of the doubly fast two field picture between each the 1st two field picture and follow its increase and decrease doubly fast two field picture cut apart number, can increase and decrease the width of the parts of images of setting white image.As a result, by adjusting the doubly width of cloth number of fast two field picture and the width of parts of images, can adjust the inhibition effect of motion image blurring and the contrast of image subtly.
In addition, the image processing of the foregoing description does not need complex image processing etc., can realize at an easy rate.
In the above-described embodiments, in the action that generates white image graphics, flow chart as shown in Figure 3 is such, sets common white (improving the white of brightness value) and grey (slightly reduce brightness value in vain) by intensity level and specified threshold value are compared.But, the invention is not restricted to so also can set the variable white image of brightness value according to intensity level.Fig. 7 is the figure of the expression moving image and the variation of the brightness of white image.As shown in the figure, can be according to the Dimmable of the white image of brightness settings of the 1st two field picture that constitutes moving image.
Like this because and the light and shade of the image scene of moving image set the light and shade that is inserted into the white image between each the 1st two field picture that constitutes this moving image accordingly, so, can keep the contrast that adapts to each image scene and suppressing motion image blurring.
In the above-described embodiments, embodiment 2 example as shown in Figure 6 is such, will be doubly fast two field picture cut apart in vertical direction, from the parts of images b1 parts of images b4 downwards of top one by one order set white image.But, cut apart the direction of fast two field picture doubly and the order of the white image of each several part image setting be not limited to so.For example, fast two field picture doubly can be cut apart in vertical direction, can set white image in proper order from the parts of images parts of images upward of below, also fast two field picture doubly can be cut apart in the horizontal direction, be set white image to right-hand parts of images or from right-hand parts of images in proper order to the parts of images of left from the parts of images of left.
Even this structure, also the situation with the foregoing description 1 is the same, can obtain white image is inserted into the respectively effect between the 1st two field picture that constitutes moving image.In addition, by adjusting the doubly width of cloth number of fast two field picture and the width of parts of images, can adjust the inhibition effect of motion image blurring and the contrast of image subtly.
Variation 3.
In the above-described embodiments, illustrated and implemented image processing apparatus of the present invention, still, also can replace image processing apparatus and implement the present invention with image processing circuit.Fig. 8 is the block diagram of example of schematic configuration of the image processing circuit of expression embodiments of the invention.As shown in the figure, image processing circuit 5 comprises that the 1st two field picture obtains circuit the 51, the 2nd two field picture and insert circuit 61 and two field picture output circuit 71.In addition, the 2nd two field picture insertion circuit 61 comprises doubly fast two field picture generative circuit 62, luminance detection circuit 63, white image graphics generative circuit 64 and the 2nd two field picture translation circuit 65.The processing of illustrated each circuit is identical with the processing of the corresponding each several part that image processing apparatus shown in Figure 11 is had.In addition, above-mentioned image processing apparatus or image processing circuit also can be that electrical device or electronic equipment have.
Claims (7)
1. image processing apparatus is characterized in that having:
Obtain the 1st two field picture obtaining section of a plurality of the 1st two field pictures that constitute moving image;
Generation comprises the 2nd two field picture of the white image of representing white image and the 2nd two field picture insertion section of inserting the 2nd two field picture respectively between above-mentioned a plurality of the 1st two field pictures of obtaining; With
The two field picture efferent of above-mentioned a plurality of the 1st two field pictures of above-mentioned the 2nd two field picture has been inserted in output;
Wherein, above-mentioned the 2nd two field picture insertion section has:
Be created on after above-mentioned a plurality of the 1st two field pictures of obtaining doubly fast two field picture generating unit by the continuous doubly fast two field picture of time sequence;
Generation comprises the white image graphics generating unit of white image graphics that is used for above-mentioned times of fast two field picture is transformed to the above-mentioned white image of above-mentioned the 2nd two field picture; With
Above-mentioned times of fast two field picture is transformed to the 2nd two field picture transformation component of above-mentioned the 2nd two field picture according to above-mentioned white image graphics;
Above-mentioned times of fast two field picture generating unit is created on 1 above-mentioned the 1st two field picture afterwards by time sequence above-mentioned times of fast two field picture of n frame continuous, that have the image identical with the 1st two field picture, and n is the integer more than or equal to 2,
Above-mentioned the 2nd two field picture transformation component is when being divided into n parts of images respectively with the doubly fast two field picture of said n frame, to the fast two field picture of each this times, by with in this n parts of images between the fast two field picture of this times 1 parts of images of different split positions be set at above-mentioned white image, and the fast two field picture of each this times is transformed to above-mentioned the 2nd two field picture.
2. by the described image processing apparatus of claim 1, it is characterized in that: above-mentioned the 2nd two field picture transformation component is set above-mentioned white image according to above-mentioned white image graphics in all images of above-mentioned times of fast two field picture, thereby above-mentioned times of fast two field picture is transformed to above-mentioned the 2nd two field picture.
3. by claim 1 or 2 described image processing apparatus, it is characterized in that: above-mentioned the 2nd two field picture insertion section also has the brightness test section of the intensity level that detects above-mentioned the 1st two field picture of obtaining,
Above-mentioned white image graphics generating unit is set the brightness value of above-mentioned white image according to the intensity level that detects, improve the brightness value of the white image that above-mentioned white image graphics comprises when making intensity level in above-mentioned detection high, and when the intensity level of above-mentioned detection is low, reduce the brightness value of above-mentioned white image.
4. by the described image processing apparatus of claim 3, it is characterized in that: the brightness value that above-mentioned white image graphics generating unit is set above-mentioned white image by the intensity level and the specified threshold value of more above-mentioned detection, make the brightness value that when the intensity level of above-mentioned detection surpasses above-mentioned threshold value, improves above-mentioned white image, and when the intensity level of above-mentioned detection surpasses above-mentioned threshold value, reduce the brightness value of above-mentioned white image.
5. an image processing method is characterized in that, comprising:
Obtain the 1st two field picture of a plurality of the 1st two field pictures that constitute moving image and obtain step;
Generation comprises the 2nd two field picture of the white image of representing white image and insert the 2nd two field picture inserting step of the 2nd two field picture respectively between above-mentioned a plurality of the 1st two field picture of obtaining; With
The two field picture output step of above-mentioned a plurality of the 1st two field pictures of above-mentioned the 2nd two field picture has been inserted in output;
Wherein, above-mentioned the 2nd two field picture inserting step comprises:
Be created on above-mentioned a plurality of the 1st two field pictures of obtaining and generate step by the doubly fast two field picture of the continuous doubly fast two field picture of time sequence afterwards;
Generation comprises the white image graphics of white image graphics that is used for above-mentioned times of fast two field picture is transformed to the above-mentioned white image of above-mentioned the 2nd two field picture and generates step; With
Above-mentioned times of fast two field picture is transformed to the 2nd two field picture shift step of above-mentioned the 2nd two field picture according to above-mentioned white image graphics;
Generate step at above-mentioned times of fast two field picture, be created on 1 above-mentioned the 1st two field picture afterwards by time sequence above-mentioned times of fast two field picture of n frame continuous, that have the image identical with the 1st two field picture, n is the integer more than or equal to 2,
In above-mentioned the 2nd two field picture shift step, when the doubly fast two field picture of said n frame is divided into n parts of images respectively, to the fast two field picture of each this times, by with in this n parts of images between the fast two field picture of this times 1 parts of images of different split positions be set at above-mentioned white image, and the fast two field picture of each this times is transformed to above-mentioned the 2nd two field picture.
6. an electro-optical device is characterized in that: the described image processing apparatus of arbitrary claim with claim 1～4.
7. an electronic equipment is characterized in that: the described image processing apparatus of arbitrary claim with claim 1～4.
Applications Claiming Priority (4)
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| JP301233/2006 | 2006-11-07 | ||
| JP2006301233 | 2006-11-07 | ||
| JP2007197026A JP2008139828A (en) | 2006-11-07 | 2007-07-30 | Image processing apparatus, image processing method, electro-optical device and electronic device |
| JP197026/2007 | 2007-07-30 |
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| JP (1) | JP2008139828A (en) |
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| JP5662010B2 (en) * | 2009-06-30 | 2015-01-28 | エルジー ディスプレイ カンパニー リミテッド | Display device |
| KR20110041736A (en) * | 2009-10-16 | 2011-04-22 | 삼성전자주식회사 | Display apparatus and image processing method |
| JP2013003223A (en) * | 2011-06-14 | 2013-01-07 | Jvc Kenwood Corp | Liquid crystal display device and method for driving same |
| CN107492342B (en) * | 2017-09-19 | 2020-07-03 | 深圳市华星光电半导体显示技术有限公司 | Driving method for real-time sense of display panel and display device |
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| US20020015104A1 (en) * | 2000-06-23 | 2002-02-07 | Kabushiki Kaisha Toshiba | Image processing system and method, and image display system |
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| JP4240743B2 (en) * | 2000-03-29 | 2009-03-18 | ソニー株式会社 | Liquid crystal display device and driving method thereof |
| JP2001343949A (en) * | 2000-06-01 | 2001-12-14 | Fujitsu General Ltd | Video display device by projector |
| JP2002041002A (en) * | 2000-07-28 | 2002-02-08 | Toshiba Corp | Liquid-crystal display device and driving method thereof |
| JP2002215111A (en) * | 2001-01-18 | 2002-07-31 | Matsushita Electric Ind Co Ltd | Video display device |
| JP4030336B2 (en) * | 2002-04-05 | 2008-01-09 | 日本電信電話株式会社 | Video display device |
| JP3776868B2 (en) * | 2002-10-28 | 2006-05-17 | Ｎｅｃ液晶テクノロジー株式会社 | Liquid crystal display device and driving method thereof |
| JP4029053B2 (en) * | 2003-02-03 | 2008-01-09 | シャープ株式会社 | Liquid crystal display |
| JP2004317785A (en) * | 2003-04-16 | 2004-11-11 | Seiko Epson Corp | Method for driving electrooptical device, electrooptical device, and electronic device |
| JP4719429B2 (en) * | 2003-06-27 | 2011-07-06 | 株式会社 日立ディスプレイズ | Display device driving method and display device |
| JP2005010579A (en) * | 2003-06-20 | 2005-01-13 | Marubun Corp | Method for driving hold type display panel |
| JP2005043829A (en) * | 2003-07-25 | 2005-02-17 | Nec Electronics Corp | Driver for flat display and method for display on screen |
| JP2005049775A (en) * | 2003-07-31 | 2005-02-24 | Seiko Epson Corp | Electrooptical device, driving circuit and method, image signal generator and electronic equipment |
| JP4543633B2 (en) * | 2003-08-07 | 2010-09-15 | セイコーエプソン株式会社 | Image display device, driving method thereof, and projection display device |
| JP2005345879A (en) * | 2004-06-04 | 2005-12-15 | Seiko Epson Corp | Drive circuit and method of electrooptic device, electrooptic device, and electronic device |
| JP4407432B2 (en) * | 2004-08-30 | 2010-02-03 | セイコーエプソン株式会社 | Display panel drive circuit |
| TWI272564B (en) * | 2006-02-22 | 2007-02-01 | Au Optronics Corp | Display method capable of displaying motion images on a liquid display panel |
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| US20020015104A1 (en) * | 2000-06-23 | 2002-02-07 | Kabushiki Kaisha Toshiba | Image processing system and method, and image display system |
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| JP特开2005-55828A 2005.03.03 |
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| KR20080041581A (en) | 2008-05-13 |
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