CN103137059B - System and method for improving visual effect in display device field - Google Patents
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Abstract
A display system comprises a display device and an arithmetic device. The arithmetic device executes the instruction to receive a first plurality of sub-pixel values of a first plurality of sub-pixels of an image. The first plurality of sub-pixels have a plurality of colors. The computing device further executes the instruction to select a first sub-pixel of the first plurality of sub-pixels. The first sub-pixel has a first color and is spatially adjacent to a second sub-pixel of the first plurality of sub-pixels. The second sub-pixel has the first color. The computing device further executes instructions to generate a second plurality of sub-pixel values for a second plurality of sub-pixels based at least on first and second sub-pixel values corresponding to the first and second sub-pixels of the first plurality of sub-pixels.
Description
Technical field
The invention relates to a kind of System and method for promoting the visual effect of display device.
Background technology
Along with the increase of high-res display device demand, the technology of several resolution in order to promote display device receives much concern.No. 2010/0253796th, U.S. Patent Publication No. describes and takes multiple low-res image, and by apply mechanically a weighting function (weightingfunction) so far a little low-res image to obtain high-resolution image.Similar technology is also disclosed in U.S. Patent Bulletin numbers the 6th, 686, No. 956 and the 7th, 003, No. 177.
In addition, No. 2007/0263113rd, U.S. Patent Publication No. describes the method for the high-resolution image of a kind of acquisition one object, and it is by taking multiple low-res image, and wherein each low-res image only has the some of described object; Connect and, then this little low-res image is combined into the single image that has described object under high-res.Similar technology in U.S. Patent Bulletin numbers the 4th, 383, No. 170, the 6th, 639, No. 625, and can be looked in the 6th, 710, No. 801.
No. 2010/0315534th, U.S. Patent Publication No. discloses a kind of method obtaining high-resolution image.The image collecting system that No. 2010/0315534th, U.S. Patent Publication No. comprises the first imaging section, this first imaging section according to incident light by the time shutter of short time, low-res and high picture update rate, to photograph respectively to red (R) and the dynamic image of blue (B) composition.Image collecting system also comprises the second imaging section, and this second imaging section passes through long time shutter, high-res and low picture update rate according to incident light, to take the dynamic image of green (G) composition.Image collecting system connects and synthesizes dynamic image according to the image captured by first and second imaging section.
In recent years, Organic Light Emitting Diode (OrganicLight-EmittingDiodes, OLED) based on high color saturation cause and be implemented in display device to present more lifelike image.Luminescent layer in organic LED display device is by being formed on substrate through shade mask (shadowmask) evaporates multiple chromatograph (colorlayer), and wherein shade mask defines region and the block of luminescent layer.In organic LED display device manufacture process, the use of shade mask has limited the microminiaturization of dot structure, and then limits the resolution of organic LED display device.Therefore, the resolution needing to promote organic LED display device is had.
Summary of the invention
The invention provides a kind of display system, it comprises display device and arithmetic unit.Arithmetic unit performs instruction to receive more than first pixel values of more than first pixels of an image.Described more than first times pixel has multiple color.Arithmetic unit more perform instruction with choose described more than first pixels one first time pixel.Described first time, pixel had one first color, and a second time pixel of described first time pixel spatially contiguous described more than first pixels.Described second time pixel has described first color.Arithmetic unit more performs instruction with at least according to corresponding to described more than first times described first of pixel and first and second pixel value of described second time pixel, produces more than second secondary pixel values of more than second pixels.The quantity of described more than second pixels is less than the quantity of described more than first pixels.Arithmetic unit more performs instruction to provide described more than second pixel values to display device.
The present invention separately provides a kind of method of process image data in the display system, and wherein said display system comprises arithmetic unit and display device.Said method comprising the steps of:
Receive more than first pixel values of more than first pixels of an image at described arithmetic unit, described more than first times pixel has multiple color;
By described arithmetic unit choose described more than first pixels one first time pixel, pixel has one first color for the first time, and a second time pixel of described first time pixel spatially contiguous described more than first pixels, described second time pixel has described first color;
At least according to corresponding to described more than first times described first of pixel and first and second pixel value of described second time pixel, and more than second pixel values of more than second time pixel are produced by described arithmetic unit, the quantity of described more than second pixels is less than the quantity of described more than first pixels; And
There is provided described more than second pixel values to described display device from described arithmetic unit.
The present invention reoffers a kind of non-transitory computer readable media, it stores cuts body realization procedure code thereon, when this procedure code is performed by an arithmetic unit, this procedure code can be operated to this arithmetic unit and perform a method, the method comprises: more than first pixel values receiving more than first pixels of an image at this arithmetic unit, and wherein said more than first times pixel has multiple color; By this arithmetic unit choose described more than first pixels one first time pixel, wherein pixel has one first color this first time, and a second time pixel of this pixel spatially contiguous described more than first pixels, wherein this second time pixel has this first color; first time At least according to correspond to described more than first pixels this first with first and second pixel value of this second time pixel, and more than second pixel values of more than second time pixel are produced by this arithmetic unit, the quantity of wherein said more than second pixels is less than the quantity of described more than first pixels; And provide described more than second pixel value to display device from this arithmetic unit.
For These characteristics of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Accompanying drawing explanation
Fig. 1 is the block diagram of the display system of the present invention one exemplary embodiment.
Fig. 2 is the calcspar of the organic LED display device of the present invention one exemplary embodiment.
Fig. 3 is the block schematic diagram being included in the module in arithmetic unit of the present invention one exemplary embodiment.
Fig. 4 is the schematic diagram of a high-res display device part for display one high-resolution image.
Fig. 5 is the schematic diagram of a General Analytical degree display device part.
Fig. 6 A is the schematic diagram of a high-res display device part.
Fig. 6 B is the schematic diagram of the high-res display device part rearranging time pixel according to one embodiment of the invention.
Fig. 6 C is the schematic diagram rearranging a rear high-res display device part of Fig. 6 B.
Fig. 7 is the schematic diagram of a General Analytical degree display device part for display high-resolution image some.
Fig. 8 is the process flow diagram of the method for the secondary pixel count data value that the generation of one embodiment of the invention upgrades.
Fig. 9 is the schematic diagram of the image conversion method of one embodiment of the invention.
Figure 10 is the schematic diagram of another image conversion method.
Description of reference numerals
100: display system
102: arithmetic unit
102a: CPU (central processing unit)
102b: ROM (read-only memory)
102c: random access memory
102d: input block
102e: output unit
102f: storage element
102g: communication unit
102h: bus-bar
104,400: display device
106: networking
200: viewing area
206,602-1,604-1,606-1,608-1: secondary dot structure
208: display pixel structure
302: communication module
304: choose module
306: generation module
401,600,610: image
402,402-1,402-2,402-5,402-6,602: red time pixel
404,604: green time pixel
406,606: blue sub-pixels
408,608: white time pixel
502-1 ~ 502-4,602,702-1 ~ 702-4: red time dot structure
504-1 ~ 504-4,604,704-1 ~ 704-4: green time dot structure
506-1 ~ 506-4,606,706-1 ~ 706-4: blue sub-pixels structure
508-1 ~ 508-4,608,708-1 ~ 708-4: white time dot structure
608a: the white time pixel of renewal
802,804,806,810,812,814: step
D1, D2 ..., Dm: data line
G1, G2 ..., Gn: sweep trace
T
s, T
s11: switching transistor
T
d, T
d11: driving transistors
C
s, C
s11: storage capacitors
V
dD: voltage source
VL: reference voltage
GND: ground
I
source: image source
I
display: show image
PDF: pixel distribution function
I
source-I
display: difference
Embodiment
In certain embodiments, the display device having the General Analytical degree of one specific dot structure quantity can show a high-resolution image, and the quantity of the secondary pixel that this high-resolution image has is greater than the quantity of the secondary dot structure of General Analytical degree display device.Each time pixel has a pixel data numerical value.It is such as the information such as brightness, secondary location of pixels and secondary pixel color that a pixel data numerical value can comprise.
Fig. 1 is the calcspar of the display system 100 of the present invention one exemplary embodiment.Please refer to Fig. 1, display system 100 comprises arithmetic unit 102 and at least one display device 104.Arithmetic unit 102 can be coupled to networking 106 or be an independently device.
Arithmetic unit 102 can be computer apparatus or display control circuit.Arithmetic unit 102 can comprise one or more CPU (central processing unit) (CentralProcessingUnits, CPU) 102a, ROM (read-only memory) (Read-OnlyMemories, ROM) 102b, random access memory (Random-AccessMemories, RAM) 102c, input block 102d, output unit 102e, storage element 102f, and communication unit 102g, these element/unit are coupled in together mutually by one or more bus-bar 102h.Know this those skilled in the art will be understood that, as long as arithmetic unit 102 can perform various in the instruction of following detailed description, one or more these element/unit of arithmetic unit 102 can be increased or remove from arithmetic unit 102.
CPU (central processing unit) 102a, as arithmetic processing (arithmeticprocessing) device and control device, uses the operation of control or part control algorithm device 102 and performs the various programs be stored in ROM (read-only memory) 102b, random access memory 102c, storage element 102f or removable recording medium (not illustrating).The program that ROM (read-only memory) 102b stored routine, arithmetical operation parameter or similar CPU (central processing unit) 102a use.When CPU (central processing unit) 102a performs particular procedure, random access memory 102c keeps in the program that one or more CPU (central processing unit) 102a uses; And when CPU (central processing unit) 102a performs one or more program described, random access memory 102c keeps in multiple parameter.
Input block 102d is a kind of instrument operated by user, such as, be slide-mouse, keyboard, contact panel, button, switch or control lever.In addition, input block 102d can be telechiric device (remote-controldevice), and this telechiric device carrys out transmission of signal by using the electromagnetic wave of infrared ray or other kinds.The user of arithmetic unit 102 operates input block 102d to input various types of data or operational order to arithmetic unit 102.
Storage element 102f can be magnetic storage device, such as, be Hard Disk Drive (HardDiskDrive, HDD), semiconductor memory mechanism, light memory device or magneto-optic storage device (magneto-opticalstoragedevice).Storage element 102f stores program performed by CPU (central processing unit) 102a and various types of data, image, content and instruction.
Communication unit 102g is connected with networking 106.Communication unit 102g is applicable to wired or wireless local-area network (LocalAreaNetwork, LAN) address card of communication, bluetooth communication or radio universal serial connection bus-bar (WirelessUniversalSerialBus, WUSB) address card of communication, the router of optical communication, the router of asymmetric digital subscriber line (AsymmetricDigitalSubscriberLine, ADSL) or the data processor (modem) for various communication type.For example, communication unit 102g distally can receive image data, program or instruction by device; Or, send image data, program or instruction to far end device.
Output unit 102e exports data or image to user through output unit.Described output unit can be display device 104, such as: cathode-ray tube (CRT) (CathodeRayTube, CRT) display device, liquid crystal display (LiquidCrystalDisplay, LCD) device, plasma display (plasmadisplaypanel, PDP) device, light emitting display device or field emission display device.Output unit 102e also can be light fixture, audio output apparatus (similarly being loudspeaker or earphone), printer, mobile phone or facsimile recorder, can provide the information of user's vision or audio format.
Fig. 2 illustrates the display device 104 being coupled to output unit 102e of the present invention one exemplary embodiment, and it illustrates the equivalent pixel circuit of organic light emitting diode display and the circuit diagram of driving circuit.Although be described in the present embodiment for organic light emitting diode display in this, anyly know this those skilled in the art and will be understood that, different types of display device also can be used.Organic light emitting diode display device comprises viewing area 200, and this viewing area 200 comprises multiple dot structures 206, a plurality of data lines D1, D2 ..., Dm, and multi-strip scanning line G1, G2 ..., Gn.Data line D1 ~ Dm and sweep trace G1 ~ Gn is used for controlling time dot structure 206.
Secondary dot structure 206 can comprise switching transistor T
s, driving transistors T
d, storage capacitors C
sand organic light-emitting diode element.For example, switching transistor T
s11comprise grid, source electrode and drain, wherein grid is coupled to sweep trace G1 with gauge tap transistor T
s11open and-shut mode, source electrode is coupled to data line D1 to receive data-signal from data line D1, and drain is coupled to storage capacitors C
swith driving transistors T
d11grid to store and to control driving transistors T
d11.Driving transistors T
d11grid be coupled to switching transistor T
s11drain, and driving transistors T
d11source electrode be then coupled to voltage source V
dDwith foundation storage capacitors C
s11control drive current.Storage capacitors C
s11one end be coupled to switching transistor T
s11drain, the other end is then coupled to reference voltage VL.The anode of Organic Light Emitting Diode (OLED) element is coupled to driving transistors T
d11drain, the negative electrode of organic light-emitting diode element is then coupled to ground GND.
It is such as red, green, blue or white light that secondary dot structure 206 can produce.Multiple times dot structure 206 forms display pixel structure 208.For example, Fig. 2 shows display pixel structure 208 and comprises 3 time dot structures 206.One display pixel structure can comprise redness, green, blueness and white secondary dot structure to show required color.Anyly know this those skilled in the art and will be understood that, the secondary dot structure 206 of different colours or can be rearranged to form a display pixel structure with the secondary dot structure 206 of above-mentioned various combination.
Will be understood that in this area, switching transistor T
s, driving transistors T
d, storage capacitors C
soccupied area is generally opaque.Therefore, the brightness of organic light-emitting display device can reduce with the increase of these numbers of elements.The subject under discussion that brightness is lowered may be aggravated under high-res display device, and this high-res display device has more transistor and is arranged on a presumptive area.In certain embodiments of the present invention, propose a kind of display system, it increases resolution equal proportion under the quantity that need not increase switching transistor and driving transistors.
In certain embodiments, provide a display system (being such as display system 100) to show high-resolution image.Arithmetic unit (being such as the arithmetic unit 102 of display system) is configured to play the part of multiple module to perform various image processing program, and provides high-resolution image to one or more display device (being such as display device 104).
Arithmetic unit 102 comprises the various modules in order to executive routine.Fig. 3 illustrates the exemplary module be included in arithmetic unit 102.Please refer to Fig. 3, arithmetic unit 102 comprises communication module 302, chooses module 304, and generation module 306.It being understood that the combination of above-mentioned module can increase one or more module or remove one or more module from the combination of above-mentioned module.Anyly know this those skilled in the art and will be understood that, these modules are coupled to each other to perform various function, and can be software module performed on CPU (central processing unit) 102a.Although be not illustrated in Fig. 3, these modules also can be applicable in hardware or the combination of a hardware and software.
Communication module 302 is configured to transmit and receive data.Particularly, communication module 302 be configured to receive display according to this and transmit display control signal to display device.For example, communication module 302 is configured to receive high-resolution image data value and transmit display control signal to display device to control multiple dot structures of display device.High-res image data displaying value comprises multiple multiple pixel data values corresponding to image pixel.In order to show image on the display apparatus, corresponding secondary pixel data value can be provided in the secondary dot structure of display device.
Choose at least 2 same colors time pixel data value that module 304 is configured to choose a high-resolution image.For example, choose module 304 and can choose the red first time pixel data value of display, and choose the second time pixel data value that is also display redness further.By second time pixel data value be shown in the second time pixel in image position spatially contiguous indicated by first time pixel data value first time pixel position.The secondary pixel data value be selected is transferred into generation module 306 to process further.One time pixel data value can comprise the information such as brightness, secondary location of pixels and secondary pixel color.
Generation module 306 is configured to the secondary pixel data value selected by reception, and the secondary pixel data value that treatment of selected is got is to produce the secondary pixel data value upgraded.Consistent with some embodiments, two or more time pixel data value can be processed the secondary pixel data value producing a renewal.In certain embodiments, the brightness value of selected secondary pixel data value by average with the brightness value of the renewal producing a pixel data value.A dot structure region in order to the secondary pixel data value of display update is greater than the dot structure region showing original secondary pixel data value.
Generation module 306 produce upgrade secondary pixel data value after, communication module 302 can be configured to further transmit renewal secondary pixel data value to display device 104 to show required image.
Please refer to Fig. 4, Fig. 4 illustrates a high-res display device 400 of a high-resolution image 401.High-resolution image 401 comprises multiple redness time pixel 402, green time pixel 404, blue sub-pixels 406 and white time pixel 408.When high-resolution image 401 is presented in high-res display device 400, each time pixel is shown by the secondary dot structure of corresponding high-res display device 400.
In certain embodiments, the dot structure of high-res display device can comprise at least red, green, blue and white time dot structure.As long as the combination of secondary dot structure be enough to show needed for image, dot structure can by secondary dot structure of varying number and different colours combination secondary dot structure and formed.For example, dot structure can comprise redness, green and blue sub-pixels structure, or red, two green and blue sub-pixels structures.
Display device can comprise some time dot structures, and its quantity is less than the quantity of the secondary pixel of institute's wish show image.In order to make time pixel mate with the secondary dot structure of display device, removable some pixel.As the result of aforesaid operations, image quality will inevitably reduce.According to some disclosed embodiments, the secondary pixel of multiple same color can be chosen to form the secondary pixel of a renewal.The quantity of the secondary pixel upgraded is less than the quantity of original secondary pixel.Secondary pixel value of selected same color time pixel is used for the secondary pixel value of generation one renewal, and this secondary pixel value upgraded connects and is provided to display device, the quantity of the secondary dot structure that this display device has is lower than the original quantity of the secondary pixel of an image.
For example, two same colors time pixel of an image can be selected the secondary pixel forming a renewal.Two times pixel can be with spatially contiguous each other for benchmark is chosen.For example, please refer to Fig. 4, if red time pixel 402-1 is selected, then red time pixel 402-2 or 402-5 also can be selected the secondary pixel forming a renewal.When two original secondary pixels are selected, the quantity of the secondary pixel gained of renewal is only the half of the quantity of original pixel data value.The secondary pixel upgraded by the secondary pixel data value upgraded can be connect and be shown in display device, and this display device has the quantity of less dot structure.It is to be noted that due to a secondary pixel value upgraded be formed by two original secondary calculated for pixel values, display quality (for example, showing resolution seen by people) is understood than directly removing the good of original secondary pixel.In addition it is to be noted that the quantity of selected secondary pixel is not limited to two.Three or multiple same color time pixel spatially can be close to each other condition under be selected to produce the secondary pixel data value of a renewal.For example, please refer to Fig. 4, when red time pixel 402-1 and 402-2 is selected, the 3rd red time pixel 402-5 also can be selected the redness time pixel data value calculating a renewal.In addition, when red time pixel 402-1,402-2 and 402-5 are selected, the 4th red time pixel 402-6 also can be selected the redness time pixel value calculating a renewal.Secondary pixel 402-1,402-2,402-5 and 402-6 are with spatially contiguous each other for benchmark is selected.
Please refer to Fig. 5, Fig. 5 illustrates a part for display device, this display device comprises red time dot structure 502-1 to 502-4, green time dot structure 504-1 to 504-4, blue sub-pixels structure 506-1 to 506-4, and white time dot structure 508-1 to 508-4.For example, secondary dot structure 502-1,504-1,506-1 and 508-1 can form a pixel.When secondary dot structure is configured to the image (quantity of the secondary pixel of such as this image is less than or equal to the quantity of the secondary dot structure of display device) showing General Analytical degree, each pixel seen by human eye is one red green time dot structure 504, blue sub-pixels structure 506 of dot structure 502, and the white time color of dot structure 508 and the integrated of brightness.
Fig. 6 A illustrates a part for high-res display device, and this display device comprises red time dot structure 602, green time dot structure 604, blue sub-pixels structure 606, and white time dot structure 608.Each red, green, blue of four vicinities and the secondary dot structure of white can form a dot structure.For example, secondary dot structure 602-1,604-1,606-1 and 608-1 form a dot structure.Each dot structure is configured to the secondary pixel of the correspondence of display one high-resolution image.As shown in Figure 6A it, due in high-res display device, the quantity of the next dot structure of per unit area in the general resolution display device that the quantity of per unit area dot structure next time is greater than as shown in Figure 5, the image quality being shown in high-res display device can be better than the image quality being shown in General Analytical degree display device.But, although a high-res display device can show a good image, for example, discuss with resolution, high-res display device has a lower penetrance, this lower penetrance is led because the part larger in viewing area is controlled occupied by transistor by lighttight pixel, as shown in Figure 2.For example, the aperture opening ratio of the General Analytical degree display device shown in Fig. 5 is about 79%, and the aperture opening ratio of the high-res display device shown in Fig. 6 A is about 43%.Therefore, compared to General Analytical degree display device, in high-res display device, need more energy to reach identical brightness.
According to some invented embodiments, a high-resolution image can be shown in General Analytical degree display device by the image quality improved.Please refer to Fig. 7, Fig. 7 illustrates a part for the General Analytical degree display device of the some of high-resolution image.A part for General Analytical degree display device comprises red time dot structure 702-1 to 702-4, green time dot structure 704-1 to 704-4, blue sub-pixels structure 706-1 to 706-4, and white time dot structure 708-1 to 708-4.Four adjacent red, green, blues and white time dot structure form a dot structure.Although the secondary dot structure of the display device of Fig. 7 is similar to the secondary dot structure of Fig. 5, but the secondary dot structure of the display device of Fig. 7 is the secondary pixel being configured to display one renewal, this secondary pixel upgraded has the secondary pixel value of a renewal, and secondary pixel value of this renewal is that the secondary pixel value of the secondary pixel of the multiple original same color by calculating a high-resolution image produced.For example, red time dot structure 702-1 is the redness time pixel value being configured to display one renewal, and this redness upgraded time pixel value is that the secondary pixel value by calculating two or multiple original redness time pixel produced.
Fig. 8 is that the present invention one exemplary embodiment produces the process flow diagram of the method for the secondary pixel number upgraded from original secondary pixel value.In step 802, the communication module of arithmetic unit receives the data of original pixel of the high-resolution image about a wish display.In step 804, the module of choosing of arithmetic unit chooses one first original secondary pixel, and this time pixel has one first color.In step 806, choose module and choose another original secondary pixel, this time pixel has the first identical color.Second time pixel is based on the first time pixel and being selected selected by spatially contiguous to a certain extent.In step 810, arithmetic unit judges whether to choose multiple secondary pixel having the first color.If be judged as, multiple pixels need to be selected, then the method gets back to step 806 to choose extra secondary pixel.If be judged as, without the need to choosing extra secondary pixel, then method advances to step 812.
In step 812, the generation module of arithmetic unit for benchmark, produces a secondary pixel value upgraded with the secondary pixel value of selected original secondary pixel.Generation module is such as the brightness value of original secondary pixel that can be on average selected, to produce a brightness value of the secondary pixel of renewal.But operational method is not limited to and the data of selected original secondary pixel is averaged.Other linear or nonlinear operation method is applicable to the secondary pixel value producing and upgrade.In step 814, the secondary pixel having the renewal of the secondary pixel value of renewal is provided to display device by the communication module of arithmetic unit.
Fig. 6 A to Fig. 6 C illustrates one and chooses the example with computing original pixel.Fig. 6 A illustrates a high-res display device and shows an image 600, and this image 600 comprises more than first time pixel, and described more than first times pixel comprises red time pixel 602, green time pixel 604, blue sub-pixels 606 and white time pixel 608.As shown in Figure 6B, original secondary pixel is selected as rearranging, and the double-head arrow wherein between two pixels points out that the position of twice pixel is exchanged.For example, point out that the position of red time pixel 602 and the position of green time pixel 604 are exchanged at the double-head arrow on the first row left side.The result of secondary pixel rearrangement, the high-resolution image 600 of Fig. 6 A becomes the high-resolution image 610 of renewal as shown in figure 6c.In figure 6 c, the secondary pixel of four original same colors is arranged in adjacent one another are.For example, four white time pixels 608 are arranged in adjacent one another are.Therefore, accessible, four original secondary pixel rearranging according to Fig. 6 A to Fig. 6 C, can be selected the secondary pixel producing a renewal.That is, the value of four original pixels of being spatially close to each other can be selected the secondary pixel data value producing a renewal.For example, four white time pixels 608 are selected the white time pixel 608a forming a renewal.It is to be noted that the quantity that original secondary pixel is selected is not limited to four described in the present embodiment.As long as a secondary pixel upgraded is when display shows, display quality (being such as resolution) can be promoted, and the quantity that original secondary pixel is selected can be two or multiple.
In fig. 8 illustrate that to perform the arithmetic unit of said method can be a computer apparatus or the display control circuit being coupled to display device.
Can be understood as that from the conversion of Fig. 6 A to Fig. 6 C high-resolution image and the image 600 of Fig. 6 A is substituting to a pixel distribution function (PixelDistributionFunction, PDF) to form the image 610 of Fig. 6 C.The conversion of the image as shown in Fig. 6 A to Fig. 6 C can be as follows.
Wherein I
sourcerepresentative graph image source, I
displayrepresent show image, and PDF represents pixel distribution function.According to formula 1, the quality of show image can by pixel distribution function influences.Fig. 9 illustrates example, wherein an I of formula 1
source-I
displayrepresent the difference of two images.In order to promote show image I
displayquality, next the present invention advises keeping less difference, as described in.Formula 1 is substituted into Fourier industry conversion formation expression formula below.
FFT (I
source) × FFT (α PDF)=FFT (I
display) formula 2
Wherein α represents the intensity factor (intensityfactor) of pixel distribution function.Therefore I
sourcecan be converted as follows.
[FFT (I
source)/FFT (α PDF)] × FFT (α PDF)=FFT (I
source) formula 3
Formula 3 is substituted into formula 2, and the result substituting into formula 2 changes formation expression formula below with Fourier industry of reversing.
Thus, I is worked as
sourcecalculate according to formula 4, I
displayresult can closely I
source.That is, I is worked as
sourcesubstituted into the operation of formula 4, I
displayquality can be promoted.
The example that one formula 4 operates is illustrated in Figure 10, wherein I
sourcewith I
displaydifference be inappreciable.
The operation of formula 4 also can be performed in arithmetic unit (being such as computer apparatus or the display control circuit being coupled to display device).
In certain embodiments, above-mentionedly procedure code can be implemented in by the method that arithmetic unit performs.This procedure code can be stored in a non-transitory computer readable media effectively.Arithmetic unit can read from non-transitory computer readable media and perform this procedure code.
For above-described embodiment, when doing a little modification and improvement.Therefore, above-described embodiment and be not used to limit the present invention.
The embodiment of current application is not limited to any specific operating system, device architecture, server architecture or computer program language.
Claims (12)
1. a display system, comprising:
One display device; And
One arithmetic unit, wherein this arithmetic unit comprises:
Communication module, for receiving more than first pixel values of more than first pixels of an image, described more than first times pixel has multiple color;
Choose module, for choose described more than first pixels one first time pixel, this, pixel had one first color first time, and a second time pixel of this pixel spatially contiguous described more than first pixels, this second time pixel has this first color; first time
Generation module, for at least according to correspond to described more than first pixels this first with first and second pixel value of this second time pixel, produce more than second pixel values of more than second time pixel, the quantity of described more than second pixels is less than the quantity of described more than first pixels;
This communication module provides described more than second pixel value to this display device; And
The viewing area corresponding to the one of described more than second pixels is greater than a viewing area of the one corresponding to described more than first pixels.
2. display system as claimed in claim 1, is characterized in that, this arithmetic unit by average described more than first pixels this first with the brightness value of this second time pixel and produce described more than second secondary pixel values of described more than second pixels.
3. display system as claimed in claim 1, is characterized in that, this arithmetic unit also for:
Choose described more than first pixels one third time pixel, this pixel of wherein said more than first pixels has this first color third time, and this third time pixel spatially contiguous described more than first pixels this first or this pixel for the second time; And
At least according to this first with this second time pixel value and correspond to described more than first pixels this third time pixel one third time pixel value, produce described more than second individual secondary pixel values.
4. display system as claimed in claim 3, is characterized in that, this arithmetic unit also for:
Choose one the 4th pixel of described more than first pixels, 4th pixel of wherein said more than first pixels has this first color, and the 4th pixel spatially contiguous described more than first pixels this first, this second or this third time pixel; And
At least according to this first, this second with this pixel value and correspond to one the 4th pixel value of the 4th pixel of described more than first pixels third time, produce described more than second secondary pixel values.
5. display system as claimed in claim 1, it is characterized in that, this display device is a liquid crystal indicator, a light emitting display device, a field emission display device or a plasma display system.
6. display system as claimed in claim 1, it is characterized in that, this arithmetic unit is a computer apparatus or a display control circuit.
7. the method for process image data in a display system, it is characterized in that, this display system comprises an arithmetic unit and a display device, and the method comprises:
Receive more than first pixel values of more than first pixels of an image at this arithmetic unit, wherein said more than first times pixel has multiple color;
By this arithmetic unit choose described more than first pixels one first time pixel, wherein pixel has one first color this first time, and a second time pixel of this pixel spatially contiguous described more than first pixels, wherein this second time pixel has this first color; first time
At least according to correspond to described more than first pixels this first with first and second pixel value of this second time pixel, and more than second pixel values of more than second time pixel are produced by this arithmetic unit, the quantity of wherein said more than second pixels is less than the quantity of described more than first pixels;
There is provided described more than second pixel values to this display device from this arithmetic unit; And
The viewing area corresponding to the one of described more than second pixels is greater than a viewing area of the one corresponding to described more than first pixels.
8. method as claimed in claim 7, is characterized in that, more comprise by this arithmetic unit on average described more than first pixels this first with the brightness value of this second time pixel to produce described more than second secondary pixel values.
9. method as claimed in claim 7, is characterized in that, more comprise:
By this arithmetic unit choose described more than first pixels one third time pixel, this pixel of wherein said more than first pixels has this first color third time, and this third time pixel spatially contiguous described more than first pixels this first or second time pixel
Wherein this arithmetic unit at least according to this first with this second time pixel value and correspond to described more than first pixels this third time pixel one third time pixel value, produce described more than second individual secondary pixel values.
10. method as claimed in claim 9, is characterized in that, more comprise:
One the 4th pixel of described more than first pixels is chosen by this arithmetic unit, 4th pixel of wherein said more than first pixels has this first color, and the 4th pixel spatially contiguous described more than first pixels this first, this second or this third time pixel
Wherein this arithmetic unit at least according to this first, this second with this pixel value and correspond to one the 4th pixel value of the 4th pixel of described more than first pixels third time, produce described more than second secondary pixel values.
11. methods as claimed in claim 7, is characterized in that, this display device is a liquid crystal indicator, a light emitting display device, a field emission display device or a plasma display system.
12. methods as claimed in claim 7, is characterized in that, this arithmetic unit is a computer apparatus or a display control circuit.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/310,328 | 2011-12-02 | ||
| US13/310,328 US9053557B2 (en) | 2011-12-02 | 2011-12-02 | System and method for improving visual effect of a display device |
| TW101106745A TWI484461B (en) | 2011-12-02 | 2012-03-01 | System and method for improving visual effect of a display device field |
| TW101106745 | 2012-03-01 |
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| Publication Number | Publication Date |
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| CN103137059A CN103137059A (en) | 2013-06-05 |
| CN103137059B true CN103137059B (en) | 2016-04-06 |
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| TWI317927B (en) * | 2005-08-30 | 2009-12-01 | Chi Mei El Corp | Method for adjusting the resolution quality of images displayed on a monitor and related monitor |
| TWI381742B (en) * | 2005-10-13 | 2013-01-01 | Seiko Epson Corp | Image display device, electronic apparatus, and pixel location determining method |
| JP4517300B2 (en) * | 2006-01-06 | 2010-08-04 | ソニー株式会社 | Display device, display method, learning device, learning method, and program |
| JP5441312B2 (en) * | 2007-02-09 | 2014-03-12 | 株式会社ジャパンディスプレイ | Display device |
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Effective date of registration: 20220401 Address after: 26, 1 song Chi Road, Xinyi District, Taipei, Taiwan, China Patentee after: HANNSTAR DISPLAY Corp. Address before: China Taiwan Hsinchu County town of bamboo East Zhongxing Road four paragraph 195 Patentee before: Industrial Technology Research Institute |
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