Color evaluation device for component of vehicle, method for using color evaluation device, color evaluation method for component of vehicle, and computer program product
By integrating the color evaluation function in AR glasses, the problem of varying from person to person and lack of quantitative basis in color evaluation of vehicle components is solved, and a more efficient and accurate color evaluation effect is achieved.
Patent Information
- Application Number
- CN202510233888.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2025-06-06
AI Technical Summary
The prior art has an impact on observation angle and ambient light in the color evaluation of vehicle components. The evaluation results vary from person to person and lack quantitative basis. It is difficult to accurately measure in places with complex components.
Using a color evaluation device constructed as AR glasses, the acquisition unit, the setting unit, the analysis processing unit and the output unit are integrated to realize the quantitative evaluation of the color of the vehicle component through image data acquisition, focus identification setting, color analysis processing and information output.
It improves the objectivity and accuracy of color evaluation, saves evaluation time, and adapts to various irregular areas to be tested without direct contact with the surface of the component to be tested.
Smart Images
Figure CN120102479A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of vehicles, and in particular to a color evaluation device for a component of a vehicle, a method for using the color evaluation device, a method for color evaluation of a component of a vehicle, and a computer program product. Background Art
[0002] With the rapid development of the vehicle industry, consumers' requirements for vehicles are constantly increasing, especially the requirements for the appearance of vehicle components are getting higher and higher. In the process of vehicle manufacturing, in order to ensure that the color of the vehicle components themselves and each other meets the requirements, it is usually necessary to evaluate the color of the vehicle components. At present, most vehicle manufacturers use a combination of manual visual evaluation and colorimetric instrument detection to control the color quality of vehicle components. The traditional visual evaluation method usually needs to be carried out in a specific lighting environment. Professional evaluators observe the color difference between vehicle components and standard color parts at different angles and make judgments based on experience. This method can grasp the visual effect of the color of vehicle components as a whole, which basically represents the subjective feelings of the end user. However, the existing visual evaluation method is easily affected by factors such as observation angle and ambient lighting. The evaluation results vary from person to person and lack a quantitative basis. In order to improve the objectivity and accuracy of the evaluation, the existing technology introduces color measurement equipment such as colorimeter. The colorimeter obtains the color parameters of specific points on the surface of the vehicle component through contact measurement, and compares them with the parameters of the standard color parts to calculate the color difference value. Generally, the results of instrument detection can be used as a reference for visual evaluation. However, due to the complex shapes of various components in the vehicle, many locations such as edges and curved surfaces cannot be measured by contact, which results in the measurement points not being able to accurately correspond to the locations of interest in visual assessment.
[0003] Therefore, there is still a real need for further improvement in color evaluation of vehicle components. Summary of the invention
[0004] In view of this, an object of the present invention is to provide an improved color evaluation device for vehicle components, an improved method for using the color evaluation device, an improved method for color evaluation of vehicle components, and an improved computer program product, so as to at least solve part of the problems in the prior art and / or overcome other possible disadvantages not mentioned herein.
[0005] According to a first aspect of the present invention, a color evaluation device for a component of a vehicle is provided, wherein the color evaluation device comprises: an acquisition unit configured to acquire image data containing the component; a setting unit configured to set a focus mark for the component on the acquired image data in response to a user operation; an analysis and processing unit configured to analyze and process color information of a position where the focus mark is located; and an output unit configured to output the color information, wherein the color evaluation device is configured as AR glasses.
[0006] According to an optional embodiment of the present invention, the acquisition unit is further configured to acquire image data containing a standard color part adjacent to the component; the setting unit is further configured to set a first focus mark for the component and a second focus mark for the standard color part on the acquired image data in response to a user operation; the analysis and processing unit is further configured to respectively analyze and process the first color value and the second color value at the positions of the first focus mark and the second focus mark and calculate the color difference between the two; and the output unit is further configured to output the first color value, the second color value and the color difference.
[0007] According to an optional embodiment of the present invention, the acquisition unit is configured as a camera integrated on AR glasses.
[0008] According to an optional embodiment of the present invention, the setting unit is configured as a physical or virtual direction key integrated on the AR glasses.
[0009] According to an optional embodiment of the present invention, the output unit is configured as a lens of AR glasses.
[0010] According to an optional embodiment of the present invention, the lens is constructed as a transparent lens that does not affect color judgment, and the output unit displays the color information on the transparent lens to present a virtual image superimposed on the physical environment.
[0011] According to an optional embodiment of the present invention, the component includes a first component and a second component (especially made of different materials) arranged adjacent to each other on the vehicle, wherein the acquisition unit is also configured to acquire image data containing the first component and the second component; the setting unit is also configured to set a first focus mark for an area of the first component (especially adjacent to the second component) and a second focus mark for an area of the second component (especially adjacent to the first component) on the acquired image data in response to a user operation; the analysis and processing unit is also configured to respectively analyze and process the first color value and the second color value of the positions of the first focus mark and the second focus mark and calculate the color difference between the two; and the output unit is also configured to output the first color value, the second color value and the color difference.
[0012] According to an optional embodiment of the present invention, the color evaluation device is configured to update the analysis process of the analysis processing unit and the output result of the output unit in real time according to the change of the viewing angle of the observer wearing the color evaluation device.
[0013] According to an optional embodiment of the present invention, the component includes an appearance component of the vehicle, in particular a large appearance component, such as a bumper or a door.
[0014] According to an optional embodiment of the present invention, the focus mark is located at an irregular edge region of the component.
[0015] According to an optional embodiment of the present invention, the color information is displayed using parameters of a Lab color space.
[0016] According to a second aspect of the present invention, there is provided a method for using the color evaluation device provided by each embodiment of the first aspect, wherein the method comprises the following steps: S10: confirming that the image data acquired by the acquisition unit includes a component to be tested and a standard color piece arranged adjacent thereto; S20: setting a first focus mark to a region to be tested of the component (e.g., an irregular edge region of the component) so that the region is in the same position as that of the visual evaluation; S30: setting a second focus mark to the standard color piece; S40: confirming that the position setting of the first focus mark and the second focus mark is completed to obtain a color difference between a first color value of the region to be tested of the component and a second color value of the standard color piece; S50: judging whether the color difference output by the output unit conforms to the visual evaluation result.
[0017] According to a third aspect of the present invention, a color evaluation method for a component of a vehicle is provided, wherein the color evaluation method comprises the following steps: S100: acquiring image data containing the component; S200: setting a focus mark for the component on the acquired image data in response to a user operation; S300: analyzing and processing color information of a position where the focus mark is located; S400: outputting the color information, wherein the color evaluation method is preferably implemented with the aid of the color evaluation device provided in each embodiment of the first aspect above.
[0018] According to an optional embodiment of the present invention, the color evaluation method further includes the following steps: S210: acquiring real-time change information of the image data; S310: re-analyzing and processing the color information of the position where the focus mark is located according to the real-time change information of the image data; S410: outputting the updated color information in real time.
[0019] According to a fourth aspect of the present invention, a computer program product is provided, comprising computer program instructions, wherein when the computer program instructions are executed by a processor, the steps of the color evaluation method provided in each embodiment of the third aspect are implemented.
[0020] According to certain embodiments of the present invention, a color evaluation device constructed as AR glasses is used, which integrates functional units such as image acquisition, focus mark setting, color analysis and processing, and information output. With the help of the wearing characteristics of AR glasses, the evaluator can obtain quantitative data such as color difference while directly visually evaluating the color of the vehicle components as an auxiliary reference. Compared with conventional tools for visual evaluation and color difference measurement, on the one hand, it saves evaluation time and reduces workload. On the other hand, AR glasses directly output the color parameters of the vehicle components, which is convenient for the evaluator to quickly correspond the actual visual effects and quantitative measurement results, which helps to make more accurate and objective evaluation judgments. In addition, this color evaluation device does not require the color measuring instrument to be in direct contact with the surface of the component to be measured, which is more convenient and flexible and can adapt to various irregular areas to be measured. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The present invention will be described in more detail below with reference to the accompanying drawings, so that the principles, features and advantages of the present invention can be better understood. The accompanying drawings include:
[0022] Figure 1 A schematic partial perspective view showing a color evaluation device according to an embodiment of the present invention and components of a vehicle to be evaluated;
[0023] Figure 2 Shows Figure 1 An exemplary schematic diagram of image data acquired by a color evaluation device, a focus mark thereon, and output color information;
[0024] Figure 3 A schematic diagram showing a vehicle to be evaluated and partial image data to be acquired by means of a color evaluation device according to an embodiment of the present invention;
[0025] Figure 4 Shown for Figure 3 A schematic diagram of partial image data of a vehicle to be evaluated;
[0026] Figure 5 A schematic flow chart showing a method for using a color evaluation device according to an embodiment of the present invention;
[0027] Figure 6 A schematic flow chart of a method for color evaluation of a component of a vehicle according to an embodiment of the present invention is shown;
[0028] Figure 7 A schematic flow chart showing a method for color evaluation of a component of a vehicle according to another embodiment of the present invention; and
[0029] Figure 8 A structural framework diagram of a computer system according to an embodiment of the present invention is shown. DETAILED DESCRIPTION
[0030] In order to make the technical problems, technical solutions and beneficial technical effects to be solved by the present invention more clearly understood, the present invention will be further described in detail below in conjunction with the accompanying drawings and multiple exemplary embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the scope of protection of the present invention, and that various embodiments may share the same view or multiple views for description, but all features appearing in the same view cannot be interpreted as features that must be possessed by an embodiment.
[0031] Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
[0032] Figure 1 A schematic partial perspective view showing a color evaluation device 1000 and a component 2100 of a vehicle 2000 to be evaluated according to an embodiment of the present invention; Figure 2 Shows Figure 1 FIG. 1 is an exemplary schematic diagram of image data M acquired by the color evaluation apparatus 1000 , a focus mark F thereon, and output color information C. FIG.
[0033] like Figure 1 Combination Figure 2As shown schematically, a color evaluation device 1000 configured as AR glasses (augmented reality glasses) is used to evaluate the color of a component 2100 of a vehicle 2000. Here, the color evaluation device 1000 may specifically include an acquisition unit 900, a setting unit 800, an analysis and processing unit 700, and an output unit 600, wherein the acquisition unit 900 is configured to acquire image data M containing the component 2100, the setting unit 800 is configured to set a focus mark F for the component 2100 on the acquired image data M in response to a user operation, the analysis and processing unit 700 is configured to analyze and process color information C at the location of the focus mark F, and the output unit 600 is configured to output the color information C. In a preferred embodiment, as also shown in FIG. Figure 1 As shown, the acquisition unit 900 is configured as a camera integrated on the AR glasses, the setting unit 800 is configured as a physical or virtual direction key integrated on the AR glasses, and the output unit 600 is configured as a lens of the AR glasses, which is preferably configured as a transparent lens that does not affect color judgment. Therefore, the output unit 600 displays the color information C on the transparent lens to present a virtual image superimposed on the physical environment, as shown in FIG. Figure 2 The analysis and processing unit 700 can be used as an external processor to connect to the AR glasses data (such as Figure 1 The dotted line schematically shows this). When the analysis and processing unit 700 is integrated into the AR glasses as a microcontroller, the camera acquisition unit 900 may have the following camera parameters: a focal length of 35 mm, a CCD size of 13 mm*8 mm, a lens diameter of 12 mm, a chip size of 1.1 inches, a camera refresh rate of 20 pics / s, and 20 million pixels (resolution 5472*3648).
[0034] exist Figure 1 Combination Figure 2 In the embodiment of the present invention, the component to be tested 2100 is an appearance component of the vehicle 2000, for example Figure 1 In order to evaluate whether the color of the component 2100 meets the requirements, especially to evaluate whether the color of the component 2100 matches the standard color part ST, the standard color part ST (for example, a standard color plate) should be compared with the component 2100 to be tested. Figure 1 As shown, the color evaluation device 1000 configured as AR glasses is arranged adjacent to the component 2100, and then the evaluator wearing the color evaluation device 1000 configured as AR glasses obtains the image data M (such as the image data M containing the standard color component ST adjacent to the component 2100) through the acquisition unit 900. Figure 2 ), and then the assessor sets the unit 800 (e.g., by adjusting Figure 1 The first focus mark F1 (in Figure 2The focus mark F2 (indicated by a cross symbol in the figure) is set to the area to be evaluated of the component 2100 (for example, the irregular edge area thereof), and the second focus mark F2 (indicated by a cross symbol in the figure) is set to the area to be evaluated of the component 2100 (for example, the irregular edge area thereof). Figure 2 ) is set to the standard color part ST, and after confirming the position of the focus mark (for example, by double-clicking Figure 1 After the user presses the arrow key shown in the figure or operates the confirmation key (not shown here), the analysis and processing unit 700 will analyze and process the first color value C1 and the second color value C2 at the positions of the first focus mark F1 and the second focus mark F2 respectively and calculate the color difference ΔC between the two. Finally, the first color value C1 and the second color value C2 and the color difference ΔC are output to the output unit 600 configured as a lens. Thus, the evaluator wearing the color evaluation device 1000 configured as AR glasses will see the following: Figure 2 The screen shown. Figure 2 The dashed box shows the color information C displayed with the parameters of the Lab color space as an output result. Figure 2 The color difference data shown provides a reference for his accurate judgment.
[0035] In a preferred embodiment, the color evaluation device 1000 is configured to update the analysis and processing process of the analysis and processing unit 700 and the output result of the output unit 600 in real time according to the change of the viewing angle of the observer wearing the color evaluation device 1000. Specifically, the evaluator wearing the color evaluation device 1000 constructed as AR glasses can adjust the viewing angle by moving the head or walking directly when the component 2100 to be evaluated (such as a large appearance component such as a bumper or a door) and the standard color component ST both appear in the field of vision. When the viewing angle changes, the image data M acquired by the acquisition unit 900 constructed as a camera will change accordingly, and the position of the previously set focus mark F may no longer accurately correspond to the target component area. In order to ensure that the evaluation data is synchronized with the viewing angle of the evaluator, the analysis and processing unit 700 analyzes the image changes in real time and automatically calibrates the image coordinates of the focus mark F so that it is always locked in the target component area. At the same time, the analysis and processing unit 700 will also update the analysis process of the color information C accordingly, and display the latest color information C after the change of the viewing angle in real time on the output unit 600 constructed as a lens. When the evaluator changes the viewing angle, the color information C displayed on the output unit 600 is always consistent with the actual component area in the field of view, and no information delay or misalignment occurs. With the real-time viewing angle synchronization capability provided by AR glasses, the evaluator can flexibly observe the target component repeatedly from different angles and comprehensively and carefully judge its color quality without repeated manual calibration, which greatly improves work efficiency.
[0036] Figure 3A schematic diagram showing a vehicle 2000 to be evaluated and partial image data M to be acquired by means of a color evaluation device 1000 according to an embodiment of the present invention; Figure 4 Shown for Figure 3 Schematic diagram of partial image data M of vehicle 2000 to be evaluated.
[0037] like Figure 3 Combination Figure 4 As shown, here, the color difference between a certain component 2100 and a standard color part ST is not detected, but the color difference or color matching between two components 2100 (here, the first component 2101 and the second component 2102) arranged adjacent to each other on the vehicle 2000 is directly evaluated. Here, the first component 2101 is exemplarily a bumper made of polypropylene, and the second component 2102 is a body made of metal material. For vehicle assembly, after different components made of different materials are assembled into a whole vehicle, it is necessary to present a basically consistent visual color so that the whole vehicle has a certain industrial aesthetics, thereby enhancing the consumer's user experience. In order to evaluate the color matching of the adjacent first component 2101 and the second component 2102, the evaluator wearing the color evaluation device 1000 constructed as AR glasses also obtains the image data M (such as the image data M containing the first component 2101 and the second component 2102) through the acquisition unit 900. Figure 4 ), and then the assessor sets the unit 800 (e.g., by adjusting Figure 1 The first focus mark F1 (in Figure 4 exemplarily represented by a cross symbol) is set to the first component 2101 (especially as Figure 4 The area adjacent to the second component 2102 is shown, and the second focus mark F2 (in Figure 4 exemplarily represented by a cross symbol) is set to the second component 2102 (especially as Figure 4 The area adjacent to the first component 2101 is shown, and after confirming the position of the focus mark (for example, by double-clicking Figure 1 After pressing the arrow key shown in the figure or by operating the confirmation key (not shown here), the analysis and processing unit 700 will analyze and process the first color value C1 and the second color value C2 at the positions of the first focus mark F1 and the second focus mark F2 respectively and calculate the color difference ΔC between the two, and finally output the first color value C1 and the second color value C2 and the color difference ΔC to the output unit 600 constructed as a lens. Figure 4 The output is not shown for clarity, but can be found in Figure 2 For the evaluator, the color difference data of the adjacent first component 2101 and second component 2102 can be directly obtained while he visually evaluates the two components, thereby assisting him in drawing a conclusion about the color matching of the two components.
[0038] Figure 5 FIG. 1 is a schematic flow chart of a method 3000 for using the color evaluation device 1000 according to an embodiment of the present invention.
[0039] like Figure 5 As shown, the method 3000 includes steps S10, S20, S30, S40 and S50.
[0040] In step S10, it is confirmed that the image data M acquired by the acquisition unit 900 includes the component 2100 to be measured and the standard color part ST arranged adjacent thereto. Figure 1 and Figure 2 An embodiment of the present invention ensures that the component 2100 to be tested (or its area to be tested) and the standard color part ST are both located within the shooting range of the acquisition unit 900 which is configured as a camera, for example.
[0041] In step S20, the first focus mark F1 is set to the area to be tested of the component 2100 (eg, the irregular edge area of the component 2100) so that the area is at the same position as the visual evaluation. Figure 1 and Figure 2 In an embodiment, a cross-shaped first focus mark F1 is set on the image data M at the uneven edge area of the bumper as the component to be measured 2100 by adjusting the setting unit 800, which is configured as a direction key, and ensuring that the position is consistent with the visually observed edge area.
[0042] In step S30, the second focus mark F2 is set on the standard color part ST. Figure 1 and Figure 2 In the embodiment, another cross-shaped second focus mark F2 is set at the standard color part ST on the image data M in a manner similar to step S20.
[0043] In step S40, it is confirmed that the positions of the first focus mark F1 and the second focus mark F2 are set to obtain the color difference ΔC between the first color value C1 of the test area of the component 2100 and the second color value C2 of the standard color part ST. Figure 1 and Figure 2 For example, by double-clicking Figure 1 The direction key shown or by pressing the confirmation button not shown here to confirm Figure 2 The position setting of the first focus mark F1 and the second focus mark F2 shown in FIG. 1 has been completed and at least the following is obtained: Figure 2 The color difference ΔC is shown as color information C.
[0044] In step S50, it is determined whether the color difference value ΔC output by the output unit 600 conforms to the visual evaluation result. Figure 2 In this embodiment, it is also judged Figure 2 Check whether the ΔL, Δa and Δb shown are within the acceptable range. If they are within the acceptable range, it indicates that they are consistent with the visual assessment results. Otherwise, other tests can be performed to verify the visual assessment results.
[0045] Therefore, during the entire process of using method 3000, the evaluator always wears the color evaluation device 1000 constructed as AR glasses, observes the actual object on site through the lenses, operates the touch keys to set the focus mark, and finally reads the color value from the lenses, so as to efficiently complete the color difference evaluation and adjust the viewing angle at any time to repeat the evaluation, eliminating many inconveniences such as the frequent use of colorimeter in the prior art.
[0046] Figure 6 A schematic flow chart of a method 4000 for evaluating the color of a component 2100 of a vehicle 2000 according to an embodiment of the present invention is shown.
[0047] like Figure 6 As shown, the color evaluation method 4000 includes steps S100, S200, S300 and S400 and is preferably implemented by means of the color evaluation device 1000 provided in the above embodiment.
[0048] In step S100, image data M including component 2100 is acquired. Figure 1 In the embodiment, the AR glasses acquire image data M of the area to be measured of the bumper of the component 2100 through the acquisition unit 900 constructed as a camera.
[0049] In step S200, a focus mark F for the component 2100 is set on the acquired image data M in response to a user operation. Figure 1 In an embodiment, the AR glasses adjust the position of the focus mark F located on the image data M in response to a signal that the setting unit 800 configured as a direction key is operated.
[0050] In step S300, the color information C of the position where the focus mark F is located is analyzed and processed. Figure 1 In an embodiment, the AR glasses extract and analyze the image color information of the area where the focus mark F is located through the analysis and processing unit 700 constructed as a built-in chip or an external processor to obtain the Lab color value of the area.
[0051] In step S400, color information C is output. Figure 1In an embodiment, the AR glasses display the color value results in real time on the output unit 600 configured as a lens, thereby the evaluator can determine whether the color of the designated area of the bumper of the vehicle 2000 meets the requirements.
[0052] Figure 7 A schematic flow chart of a method 4000 for evaluating the color of a component 2100 of a vehicle 2000 according to another embodiment of the present invention is shown.
[0053] like Figure 7 As shown, the color evaluation method 4000 includes steps S210, S310 and S410 in addition to the above step S100. Here, in order to make the evaluation result more representative, the evaluator can wear AR glasses and move around the bumper as the component 2100 to obtain image data M of the bumper at different angles and different lighting conditions.
[0054] In step S210 , real-time change information of the image data M is obtained. Here, for example, the AR glasses obtain the change information of the image data M in real time through the acquisition unit 900 , such as changes in parameters such as brightness and angle.
[0055] In step S310, the color information C of the position of the focus mark F is re-analyzed and processed according to the real-time change information of the image data M. Here, for example, the AR glasses re-analyze and calculate the color information of the mark area locked by the focus mark F according to the change parameters through the analysis and processing unit 700.
[0056] In step S410, the updated color information C is output in real time. Here, for example, the AR glasses display the dynamically updated content through the output unit 600, such as the color information C of the bumper at different angles and different lighting conditions.
[0057] Therefore, as the evaluator moves continuously, the color evaluation result of the bumper as component 2100 is updated in real time as the viewing angle changes, comprehensively reflecting the color performance of the bumper of vehicle 2000 under various conditions, greatly improving the comprehensiveness of the evaluation, and providing sufficient reference for the final determination of color quality.
[0058] Figure 8 FIG. 4 shows a structural framework diagram of a computer system according to an embodiment of the present invention, wherein the computer system is configured to execute the various steps of the color evaluation method 4000 provided according to the above-mentioned embodiments of the present invention. Figure 8As shown, the computer system includes a memory 1, a processor 2, a communication interface 3 and a bus 4. Here, the memory 1, the processor 2 and the communication interface 3 are connected to each other through the bus 4. According to one aspect of the present invention, it also relates to a computer program product, including computer program instructions, wherein when the computer program instructions are executed by a processor, especially by the processor 2 of the above-mentioned computer system, the various steps of the color evaluation method 4000 provided according to the above-mentioned embodiments of the present invention are implemented.
[0059] Although specific embodiments of the present invention are described in detail herein, they are provided for the purpose of explanation only and should not be considered to limit the scope of the present invention. Various substitutions, changes and modifications may be conceived without departing from the spirit and scope of the present invention.
Claims
1. A color evaluation device (1000) for a component (2100) of a vehicle (2000), wherein: The color evaluation device (1000) comprises: An acquisition unit (900), the acquisition unit (900) being configured to acquire image data (M) containing the component (2100); A setting unit (800), the setting unit (800) being configured to set a focus mark (F) for the component (2100) on the acquired image data (M) in response to a user operation; An analysis and processing unit (700), the analysis and processing unit (700) being configured to analyze and process the color information (C) of the position where the focus mark (F) is located; and an output unit (600), the output unit (600) being configured to output the color information (C), Wherein, the color evaluation device (1000) is configured as AR glasses.
2. The color evaluation device (1000) according to claim 1, wherein: The acquisition unit (900) is further configured to acquire image data (M) containing a standard color piece (ST) adjacent to the component (2100); The setting unit (800) is further configured to set a first focus mark (F1) for the component (2100) and a second focus mark (F2) for the standard color component (ST) on the acquired image data (M) in response to a user operation; The analysis and processing unit (700) is further configured to analyze and process the first color value (C1) and the second color value (C2) at the positions where the first focus mark (F1) and the second focus mark (F2) are located respectively and calculate the color difference (ΔC) between the two; and The output unit (600) is further configured to output the first color value (C1), the second color value (C2) and the color difference value (ΔC).
3. The color evaluation device (1000) according to claim 1 or 2, wherein: The acquisition unit (900) is configured as a camera integrated on AR glasses; and / or The setting unit (800) is configured as a physical or virtual direction key integrated on the AR glasses; and / or The output unit (600) is configured as a lens of AR glasses.
4. The color evaluation device (1000) according to claim 3, wherein: The lens is constructed as a transparent lens that does not affect color judgment, and the output unit (600) displays the color information (C) on the transparent lens to present a virtual image superimposed on a physical environment.
5. The color evaluation device (1000) according to any one of claims 1 to 4, wherein: The component (2100) comprises a first part (2101) and a second part (2102) which are arranged adjacent to each other on the vehicle (2000) and are made of different materials, in particular, The acquisition unit (900) is further configured to acquire image data (M) including the first component (2101) and the second component (2102); The setting unit (800) is further configured to set, in response to a user operation, a first focus mark (F1) for the first component (2101), particularly a region adjacent to the second component (2102), and a second focus mark (F2) for the second component (2102), particularly a region adjacent to the first component (2101), on the acquired image data (M); The analysis and processing unit (700) is further configured to analyze and process the first color value (C1) and the second color value (C2) at the positions where the first focus mark (F1) and the second focus mark (F2) are located respectively and calculate the color difference (ΔC) between the two; and The output unit (600) is further configured to output the first color value (C1), the second color value (C2) and the color difference value (ΔC).
6. The color evaluation device (1000) according to any one of claims 1 to 5, wherein: The color evaluation device (1000) is configured to update the analysis and processing process of the analysis and processing unit (700) and the output result of the output unit (600) in real time according to the change of the viewing angle of the observer wearing the color evaluation device (1000); and / or The component (2100) includes an exterior component of the vehicle (2000), in particular a large exterior component, such as a bumper or a door; and / or The focus mark (F) is located at an irregular edge region of the component (2100); and / or The color information (C) is displayed using parameters of the Lab color space.
7. A method (3000) for using the color evaluation device (1000) according to any one of claims 2 to 6, wherein: The method of use (3000) comprises the following steps: S10: confirming that the image data (M) acquired by the acquisition unit (900) includes the component (2100) to be measured and a standard color component (ST) disposed adjacent thereto; S20: setting a first focus mark (F1) to a region to be measured of the component (2100), for example, an irregular edge region of the component (2100), so that the region is at the same position as that of the visual assessment; S30: setting the second focus mark (F2) to the standard color part (ST); S40: confirming that the position setting of the first focus mark (F1) and the second focus mark (F2) is completed to obtain a color difference (ΔC) between a first color value (C1) of the to-be-tested area of the component (2100) and a second color value (C2) of the standard color component (ST); S50: judging whether the color difference value (ΔC) output by the output unit (600) conforms to the visual evaluation result.
8. A method (4000) for evaluating the color of a component (2100) of a vehicle (2000), wherein: The color evaluation method (4000) comprises the following steps: S100: Acquiring image data (M) including the component (2100); S200: setting a focus mark (F) for the component (2100) on the acquired image data (M) in response to a user operation; S300: Analyze and process the color information (C) of the position where the focus mark (F) is located; S400: outputting the color information (C), The color evaluation method (4000) is preferably implemented by means of a color evaluation device (1000) according to any one of claims 1 to 6.
9. The color evaluation method (4000) according to claim 8, wherein: The color evaluation method (4000) further comprises the following steps: S210: Acquire real-time change information of the image data (M); S310: re-analyzing and processing the color information (C) at the position where the focus mark (F) is located according to the real-time change information of the image data (M); S410: Outputting updated color information in real time (C).
10. A computer program product comprising computer program instructions, wherein: When the computer program instructions are executed by a processor, the color evaluation method (4000) according to claim 8 or 9 is implemented.