CN114222104A - Method, device and equipment for improving color display capability of low-bit display equipment - Google Patents
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Abstract
The embodiment of the invention discloses a method, a device and equipment for improving the color display capability of low-bit display equipment, wherein the method comprises the following steps: selecting two adjacent levels of colors from an image color level number sequence which can be distinguished by a low-bit display device; and filling transition colors which cannot be distinguished by the low-bit display device and can be distinguished by the high-bit display device between the two adjacent colors by using the two adjacent selected colors. The invention is beneficial to filling the transitional color which cannot be distinguished by the low-bit display equipment and can be distinguished by the high-bit display equipment between the two adjacent colors according to the different proportions of the two adjacent colors which can be distinguished by the low-bit display equipment, so that the color displayed by the low-bit display equipment can be smoothly transited, the effect of displaying a high-bit picture on the low-bit display equipment can be realized, and the problem that the low-bit display equipment cannot display the high-bit picture due to the hardware limitation is solved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a method, a device and equipment for improving the color display capability of low-bit display equipment.
Background
In production life, many display devices can only support 6-bit (low-bit) color display by hardware due to production cost or production technology. When the display equipment displays some pictures with high color sensitivity, some transition colors can not be distinguished by observing with human eyes, the colors of the pictures are very obviously layered on the display equipment, and the display effect of the pictures is not very good. The display effect of the display device is to achieve the display effect of 8bit (high bit), and the most direct method is to upgrade hardware, but certain cost is required. Most of pictures displayed by the display equipment are not high in hardware requirement, and the hardware upgrading is not very cost-effective from the cost perspective, so that the display equipment is often not supported by the hardware when the display equipment needs to display an 8-bit image display effect at some special time. This is a difficulty encountered in the use of such display devices.
Therefore, it is necessary to realize a 6-bit display device capable of achieving the color display effect of an 8-bit display device from the means of software processing.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method, a device and equipment for improving the color display capacity of low-bit display equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, a method for improving color display capability of a low-bit display device includes:
selecting two adjacent levels of colors from an image color level number sequence which can be distinguished by a low-bit display device;
and filling transition colors which cannot be distinguished by the low-bit display device and can be distinguished by the high-bit display device between the two adjacent colors by using the two adjacent selected colors.
The further technical scheme is as follows: the filling of the transition colors which are positioned between the two adjacent colors and cannot be distinguished by the low-bit display equipment and can be distinguished by the high-bit display equipment by using the two adjacent selected colors specifically comprises the following steps:
determining a transition color to be filled;
selecting two adjacent levels of colors corresponding to the transitional colors to be filled, wherein the colors with the color values lower than the color value of the transitional colors are low-level colors, the colors with the color values higher than the color value of the transitional colors are high-level colors, and the color values are positive integers larger than 1;
and determining the quantity of high-order colors and low-order colors in two adjacent colors according to the color values of the transition colors.
The further technical scheme is as follows: the determining the number of high-order colors and low-order colors in two adjacent colors according to the color value of the transition color specifically comprises:
calculating a low-order difference value of the color values of the transition color and the low-order color in the two adjacent levels of colors;
and taking the low-order difference value as the selected number of high-order colors.
The further technical scheme is as follows: the determining the quantity of high-order colors and low-order colors in two adjacent colors according to the color value of the transition color further comprises:
calculating a high-order difference value of color values of a high-order color and a transition color in two adjacent levels of colors;
and taking the high-order difference value as the selected number of the low-order colors.
In a second aspect, an apparatus for improving color display capability of a low-bit display device includes a selection unit and a filling unit;
the selection unit is used for selecting two adjacent levels of colors from the image color level number sequence which can be distinguished by the low-bit display equipment;
and the filling unit is used for filling transition colors which cannot be distinguished by the low-bit display equipment and can be distinguished by the high-bit display equipment between the two adjacent colors by using the two adjacent selected colors.
The further technical scheme is as follows: the filling unit comprises a first determining module, a selecting module and a second determining module;
the first determining module is used for determining the transitional color to be filled;
the selecting module is used for selecting two adjacent levels of colors corresponding to the transitional color to be filled, wherein the colors with the color values lower than the color value of the transitional color are low-level colors, the colors with the color values higher than the color value of the transitional color are high-level colors, and the color values are positive integers larger than 1;
and the second determining module is used for determining the quantity of high-order colors and low-order colors in two adjacent levels of colors according to the color value of the transition color.
The further technical scheme is as follows: the second determining module comprises a first calculating submodule and a first selecting submodule;
the first calculating submodule is used for calculating a low-order difference value of the color values of the transition color and the low-order color in the two adjacent orders of colors;
and the first selection submodule is used for taking the low-order difference value as the selection number of the high-order colors.
The further technical scheme is as follows: the second determining module further comprises a second calculating submodule and a second selecting submodule;
the second calculation submodule is used for calculating a high-order difference value of color values of a high-order color and a transition color in two adjacent levels of colors;
and the second selection submodule is used for taking the high-order difference value as the selection number of the low-order colors.
In a third aspect, a computer device comprises a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method steps as described above when executing the computer program.
In a fourth aspect, a storage medium stores a computer program comprising program instructions which, when executed by a processor, cause the processor to perform the method steps as described above.
Compared with the prior art, the invention has the beneficial effects that: the invention is beneficial to filling the transitional color which cannot be distinguished by the low-bit display equipment and can be distinguished by the high-bit display equipment between the two adjacent colors according to the different proportions of the two adjacent colors which can be distinguished by the low-bit display equipment, so that the color displayed by the low-bit display equipment can be smoothly transited, the effect of displaying a high-bit picture on the low-bit display equipment can be realized, and the problem that the low-bit display equipment cannot display the high-bit picture due to the hardware limitation is solved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more apparent, the following detailed description will be given of preferred embodiments.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a method for improving color display capability of a low-bit display device according to an embodiment of the present invention;
FIG. 2 is a schematic block diagram of an apparatus for improving color display capability of a low-bit display device according to an embodiment of the present invention;
FIG. 3 is a schematic block diagram of a computer device provided in accordance with an embodiment of the present invention;
FIG. 4 shows the rgb values of the 8-bit gray level pixels in the lateral fill mode according to one embodiment of the present invention;
FIG. 5 shows the rgb values of the 6-bit gray level pixels in the lateral fill mode according to one embodiment of the present invention;
FIG. 6 shows the rgb values of the 8-bit gray level pixels in the radial fill mode according to one embodiment of the present invention;
FIG. 7 shows the rgb values of the 6-bit gray level pixel in the radial fill mode according to one embodiment of the present invention.
Detailed Description
In order to more fully understand the technical content of the present invention, the technical solution of the present invention will be further described and illustrated with reference to the following specific embodiments, but not limited thereto.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
The invention aims to solve the problem that the low-bit display equipment cannot display the color effect of a high-bit picture by using a non-hardware upgrading means. In the specific embodiment of the present invention, the low-bit display device refers to a 6-bit display device, and the high-bit display device refers to an 8-bit display device. The invention is described below by means of specific embodiments.
As shown in fig. 1, a method for improving color display capability of a low-bit display device includes the following steps: s10 and S20.
And S10, selecting two adjacent colors from the image color level sequence which can be distinguished by the low-bit display device.
Color values 0-255 may be divided into 64 steps on a 6bit display device, with colors being divided into 0,4,8,12. The color values can be divided into 256 steps on an 8-bit display device, and the colors are divided into 0,1,2,3. Therefore, for a 6-bit display device, only 262144 colors (64 × 64 × 64 ═ 262144) can be displayed, while an 8-bit display device can display 16777216 colors (256 × 256 ═ 16777216). For example, both a color 6-bit display device and an 8-bit display device having a color value of 4 can display, whereas a color 6-bit display device having a color value of 5 cannot directly display, but an 8-bit display device can directly display.
Therefore, if the low-bit display equipment is required to display the colors which cannot be displayed originally, the invention fills the colors which cannot be displayed originally by the low-bit display equipment by selecting the two adjacent colors which can be displayed originally by the low-bit display equipment.
And S20, filling transition colors which cannot be distinguished by a low-bit display device and can be distinguished by a high-bit display device between the two adjacent colors by using the two adjacent selected colors.
The transition color is a color that cannot be directly displayed by the low-bit display device.
Specifically, step S20 includes the steps of: s201, S202 and S203.
S201, determining the transitional color needing to be filled.
Since the two adjacent step colors required for filling each transition color are different, it is necessary to determine which of the filled transition colors is first.
S202, two adjacent levels of colors corresponding to the transitional colors needing to be filled are selected, wherein the colors with the color values lower than the color value of the transitional color are low-level colors, the colors with the color values higher than the color value of the transitional color are high-level colors, and the color values are positive integers larger than 1.
For example, the adjacent two levels of color are 0 and 4, and then 0 is called low level color and 4 is high level color. The color value of 0 order is 0, and the color value of 4 order is 4.
S203, determining the quantity of high-order colors and low-order colors in two adjacent colors according to the color values of the transition colors.
If the color values of the transition colors are different, the number of required high-order colors and low-order colors is different.
Step S203 specifically includes the following steps: s2031, S2032, S2033, and S2034.
S2031, calculating the low-order difference value between the transition color and the color value of the low-order color in the two adjacent colors.
S2032, the low-order difference value is used as the selection number of the high-order colors.
S2033, calculating a high-order difference value between the color values of the high-order color and the transition color in the two adjacent-order colors;
s2034, the high-order difference value is used as the selection number of the low-order colors.
Specifically, for example, if the color value of the transition color is 3, the color values of the two adjacent levels of colors are 0 (lower-order color) and 4 (higher-order color), and thus the difference between the color values of the transition color and the lower-order color is 3(3-0 ═ 3), and the difference between the color values of the higher-order color and the transition color is 1(4-3 ═ 1). Therefore, a transition color of 3 is filled, and the filling ratio is 1 step of 0 and 3 steps of 4.
For another example, if the color value of the transition color is 5, the color values of the two adjacent levels are 4 (lower-level color) and 8 (higher-level color), and thus the difference between the color values of the transition color and the lower-level color is 1(5-4 ═ 1), and the difference between the color values of the higher-level color and the transition color is 1(8-5 ═ 3). Therefore, a transition color of 5 is filled, and the filling ratio is 3 steps of 4 and 1 step of 8.
Similarly, the number of the low-order colors and the high-order colors in the two adjacent orders of colors required by filling other transition colors can be obtained through the calculation mode.
As shown in fig. 4-7, it can be seen that the number of low-order colors and high-order colors in the two adjacent levels of colors required for filling different transition colors is obtained.
For the present invention, there are two methods of filling, one is lateral filling and the other is radial filling, fig. 5 illustrates lateral filling, and fig. 6 illustrates radial filling.
The invention is beneficial to filling the transitional color which cannot be distinguished by the low-bit display equipment and can be distinguished by the high-bit display equipment between the two adjacent colors according to the different proportions of the two adjacent colors which can be distinguished by the low-bit display equipment, so that the color displayed by the low-bit display equipment can be smoothly transited, the effect of displaying a high-bit picture on the low-bit display equipment can be realized, and the problem that the low-bit display equipment cannot display the high-bit picture due to the hardware limitation is solved.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Corresponding to the method for improving the color display capability of the low-bit display equipment, the specific embodiment of the invention also provides a device for improving the color display capability of the low-bit display equipment.
As shown in fig. 2, the apparatus for improving the color display capability of the low-bit display device includes a selecting unit 1 and a filling unit 2.
And the selection unit 1 is used for selecting two adjacent colors from the image color level number sequence which can be distinguished by the low-bit display equipment by the selection unit.
Color values 0-255 may be divided into 64 steps on a 6bit display device, with colors being divided into 0,4,8,12. The color values can be divided into 256 steps on an 8-bit display device, and the colors are divided into 0,1,2,3. Therefore, for a 6-bit display device, only 262144 colors (64 × 64 × 64 ═ 262144) can be displayed, while an 8-bit display device can display 16777216 colors (256 × 256 ═ 16777216). For example, both a color 6-bit display device and an 8-bit display device having a color value of 4 can display, whereas a color 6-bit display device having a color value of 5 cannot directly display, but an 8-bit display device can directly display.
Therefore, if the low-bit display equipment is required to display the colors which cannot be displayed originally, the invention fills the colors which cannot be displayed originally by the low-bit display equipment by selecting the two adjacent colors which can be displayed originally by the low-bit display equipment.
And the filling unit 2 is used for filling transition colors which cannot be distinguished by the low-bit display equipment and can be distinguished by the high-bit display equipment between the two adjacent colors by using the two adjacent selected colors.
The transition color is a color that cannot be directly displayed by the low-bit display device.
Further, the filling unit 2 comprises a first determining module, a selecting module and a second determining module.
The first determining module is used for determining the transitional color needing to be filled.
Since the two adjacent step colors required for filling each transition color are different, it is necessary to determine which of the filled transition colors is first.
And the selecting module is used for selecting two adjacent levels of colors corresponding to the transitional colors to be filled, wherein the colors with the color values lower than that of the transitional colors are low-order colors, the colors with the color values higher than that of the transitional colors are high-order colors, and the color values are positive integers larger than 1.
For example, the adjacent two levels of color are 0 and 4, and then 0 is called low level color and 4 is high level color. The color value of 0 order is 0, and the color value of 4 order is 4.
And the second determining module is used for determining the quantity of high-order colors and low-order colors in two adjacent levels of colors according to the color value of the transition color.
If the color values of the transition colors are different, the number of required high-order colors and low-order colors is different.
Further, the second determining module comprises a first calculating submodule, a first selecting submodule, a second calculating submodule and a second selecting submodule.
And the first calculating submodule is used for calculating the low-order difference value of the color values of the transition color and the low-order color in the two adjacent levels of colors.
And the first selection submodule is used for taking the low-order difference value as the selection number of the high-order colors.
And the second calculation submodule is used for calculating the high-order difference value of the color value of the high-order color and the transition color in the two adjacent levels of colors.
And the second selection submodule is used for taking the high-order difference value as the selection number of the low-order colors.
Specifically, for example, if the color value of the transition color is 3, the color values of the two adjacent levels of colors are 0 (lower-order color) and 4 (higher-order color), and thus the difference between the color values of the transition color and the lower-order color is 3(3-0 ═ 3), and the difference between the color values of the higher-order color and the transition color is 1(4-3 ═ 1). Therefore, a transition color of 3 is filled, and the filling ratio is 1 step of 0 and 3 steps of 4.
For another example, if the color value of the transition color is 5, the color values of the two adjacent levels are 4 (lower-level color) and 8 (higher-level color), and thus the difference between the color values of the transition color and the lower-level color is 1(5-4 ═ 1), and the difference between the color values of the higher-level color and the transition color is 1(8-5 ═ 3). Therefore, a transition color of 5 is filled, and the filling ratio is 3 steps of 4 and 1 step of 8.
Similarly, the number of the low-order colors and the high-order colors in the two adjacent orders of colors required by filling other transition colors can be obtained through the calculation mode.
As shown in fig. 4-7, it can be seen that the number of low-order colors and high-order colors in the two adjacent levels of colors required for filling different transition colors is obtained.
As shown in fig. 3, the embodiment of the present invention further provides a computer device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the method for improving the color display capability of the low-bit display device is implemented.
The computer device 700 may be a terminal or a server. The computer device 700 includes a processor 720, memory, and a network interface 750, which are connected by a system bus 710, where the memory may include non-volatile storage media 730 and internal memory 740.
The non-volatile storage medium 730 may store an operating system 731 and computer programs 732. The computer program 732, when executed, causes the processor 720 to perform any of the methods for enhancing the color display capability of a low-bit display device.
The processor 720 is used to provide computing and control capabilities, supporting the operation of the overall computer device 700.
The internal memory 740 provides an environment for the operation of the computer program 732 in the non-volatile storage medium 730, and when the computer program 732 is executed by the processor 720, the processor 720 can execute any method for enhancing the color display capability of the low-bit display device.
The network interface 750 is used for network communication such as sending assigned tasks and the like. Those skilled in the art will appreciate that the configuration shown in fig. 3 is a block diagram of only a portion of the configuration relevant to the present teachings and is not intended to limit the computing device 700 to which the present teachings may be applied, and that a particular computing device 700 may include more or less components than those shown, or may combine certain components, or have a different arrangement of components. Wherein the processor 720 is configured to execute the program code stored in the memory to perform the following steps:
selecting two adjacent levels of colors from an image color level number sequence which can be distinguished by a low-bit display device;
and filling transition colors which cannot be distinguished by the low-bit display device and can be distinguished by the high-bit display device between the two adjacent colors by using the two adjacent selected colors.
The further technical scheme is as follows: the filling of the transition colors which are positioned between the two adjacent colors and cannot be distinguished by the low-bit display equipment and can be distinguished by the high-bit display equipment by using the two adjacent selected colors specifically comprises the following steps:
determining a transition color to be filled;
selecting two adjacent levels of colors corresponding to the transitional colors to be filled, wherein the colors with the color values lower than the color value of the transitional colors are low-level colors, the colors with the color values higher than the color value of the transitional colors are high-level colors, and the color values are positive integers larger than 1;
and determining the quantity of high-order colors and low-order colors in two adjacent colors according to the color values of the transition colors.
The further technical scheme is as follows: the determining the number of high-order colors and low-order colors in two adjacent colors according to the color value of the transition color specifically comprises:
calculating a low-order difference value of the color values of the transition color and the low-order color in the two adjacent levels of colors;
and taking the low-order difference value as the selected number of high-order colors.
The further technical scheme is as follows: the determining the quantity of high-order colors and low-order colors in two adjacent colors according to the color value of the transition color further comprises:
calculating a high-order difference value of color values of a high-order color and a transition color in two adjacent levels of colors;
and taking the high-order difference value as the selected number of the low-order colors.
It should be understood that, in the embodiment of the present Application, the Processor 720 may be a Central Processing Unit (CPU), and the Processor 720 may also be other general-purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, and the like. Wherein a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Those skilled in the art will appreciate that the configuration of computer device 700 depicted in FIG. 3 is not intended to be limiting of computer device 700 and may include more or less components than those shown, or some components in combination, or a different arrangement of components.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the embodiments of the present invention may be implemented in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the above-mentioned apparatus may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the modules or units is only one logical functional division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another device, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The method for improving the color display capability of the low-bit display equipment is characterized by comprising the following steps of:
selecting two adjacent levels of colors from an image color level number sequence which can be distinguished by a low-bit display device;
and filling transition colors which cannot be distinguished by the low-bit display device and can be distinguished by the high-bit display device between the two adjacent colors by using the two adjacent selected colors.
2. The method for improving the color display capability of a low-bit display device according to claim 1, wherein the selected two adjacent colors are used to fill transition colors which cannot be distinguished by the low-bit display device and can be distinguished by a high-bit display device, and the method specifically comprises:
determining a transition color to be filled;
selecting two adjacent levels of colors corresponding to the transitional colors to be filled, wherein the colors with the color values lower than the color value of the transitional colors are low-level colors, the colors with the color values higher than the color value of the transitional colors are high-level colors, and the color values are positive integers larger than 1;
and determining the quantity of high-order colors and low-order colors in two adjacent colors according to the color values of the transition colors.
3. The method for improving the color display capability of a low-bit display device according to claim 2, wherein the determining the number of high-order colors and low-order colors in two adjacent orders of colors according to the color value of the transition color specifically comprises:
calculating a low-order difference value of the color values of the transition color and the low-order color in the two adjacent levels of colors;
and taking the low-order difference value as the selected number of high-order colors.
4. The method of claim 3, wherein the determining the number of high-order colors and low-order colors in two adjacent orders of colors according to the color value of the transition color further comprises:
calculating a high-order difference value of color values of a high-order color and a transition color in two adjacent levels of colors;
and taking the high-order difference value as the selected number of the low-order colors.
5. The device for improving the color display capability of the low-bit display equipment is characterized by comprising a selection unit and a filling unit;
the selection unit is used for selecting two adjacent levels of colors from the image color level number sequence which can be distinguished by the low-bit display equipment;
and the filling unit is used for filling transition colors which cannot be distinguished by the low-bit display equipment and can be distinguished by the high-bit display equipment between the two adjacent colors by using the two adjacent selected colors.
6. The apparatus for improving color display capability of a low bit display device according to claim 5, wherein the filling unit comprises a first determining module, a selecting module and a second determining module;
the first determining module is used for determining the transitional color to be filled;
the selecting module is used for selecting two adjacent levels of colors corresponding to the transitional color to be filled, wherein the colors with the color values lower than the color value of the transitional color are low-level colors, the colors with the color values higher than the color value of the transitional color are high-level colors, and the color values are positive integers larger than 1;
and the second determining module is used for determining the quantity of high-order colors and low-order colors in two adjacent levels of colors according to the color value of the transition color.
7. The apparatus for improving the color display capability of a low-bit display device according to claim 6, wherein the second determining module comprises a first calculating submodule and a first selecting submodule;
the first calculating submodule is used for calculating a low-order difference value of the color values of the transition color and the low-order color in the two adjacent orders of colors;
and the first selection submodule is used for taking the low-order difference value as the selection number of the high-order colors.
8. The apparatus for improving the color display capability of a low-bit display device according to claim 7, wherein the second determining module further comprises a second calculating submodule and a second selecting submodule;
the second calculation submodule is used for calculating a high-order difference value of color values of a high-order color and a transition color in two adjacent levels of colors;
and the second selection submodule is used for taking the high-order difference value as the selection number of the low-order colors.
9. A computer arrangement comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method steps of any of claims 1-4 when executing the computer program.
10. A storage medium, characterized in that the storage medium stores a computer program comprising program instructions which, when executed by a processor, cause the processor to carry out the method steps according to any one of claims 1 to 4.
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