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How to whiten teeth in Photoshop

The key to natural whitening of teeth in Photoshop is to select precisely, use adjustment layers and moderate control parameters. 1. Use the Quick Selection Tool or the Object Selection Tool to accurately select the tooth area. If necessary, shrink the selection 1 to 2 pixels to avoid affecting the lip color, and save the selection for later use; 2. Create a new curve adjustment layer to brighten the midtones, and finely adjust the blue and blue to remove the yellow feeling. When it is seriously yellow, you can use the hue/saturation adjustment layer to reduce the yellow saturation. At the same time, add a reverse mask to the adjustment layer and use a white soft edge brush to brush the effect locally; 3. Control the brightening and cool tone amplitude to maintain the light-blank realism of the teeth, and appropriately add Gaussian blur to optimize the transition. Multiple photos need to unify the whiteness.

Jul 09, 2025 am 12:53 AM

how to calculate compound interest in excel

Calculation of compound interest can be achieved in Excel through FV functions or manual formulas. 1. Prepare the data structure, including principal, annual interest rate, compound interest frequency and time; 2. Use the FV function to enter the interest rate for each period (annual interest rate ÷ compound interest times), the total number of periods (years × compound interest times), the amount of payment per period is 0, the present value is the principal and add a negative sign; 3. Manually write the multiplication formula: principal × (1 interest rate)^ years, applicable to compound interest by year; 4. If compound interest by month, then divide the annual interest rate by 12, and multiply by 12, the formula becomes principal × (1 annual interest rate/12)^ (years × 12), thereby increasing the final return.

Jul 09, 2025 am 12:50 AM

How to make an image look like a painting in Photoshop

The key to using Photoshop to convert photos into natural and textured painting style is to use filters reasonably, superimpose textures, and adjust colors and details. 1. Use artistic effect filters such as "oil painting" and "watercolor" in the "Filter Library" to adjust the parameters appropriately to quickly obtain the style effect; 2. Overlay the canvas or paper texture layers, and enhance the texture of the picture through "Soft Light" or "Overall" blending mode; 3. Adjust the color and contrast through tools such as "Hue/Saturation", "Curve", and "Color Balance" to enhance the overall atmosphere; 4. Finally, use "Intelligent Sharpening", "Liquefaction" and brush tools to enhance the edges and brushstrokes, making the picture more hand-painted. Each step should be kept natural and avoid over-treatment.

Jul 09, 2025 am 12:45 AM

Image Processing

how to change case in Word

There are three ways to quickly modify letter case in Word: 1. Use the Shift F3 shortcut key to switch between all capital, all capital and first letter capital in the selected text; 2. Use the "All capital" or "Small capital" options in the font settings to achieve visual capital display without changing the original text content; 3. Use the search replacement function and wildcards to batch modify the case format of specific vocabulary. These three methods are suitable for different scenarios. Shift F3 is convenient to operate and suitable for batch adjustments, font settings are suitable for typesetting needs, and searching for replacements is suitable for handling a large number of repetitive modifications.

Jul 09, 2025 am 12:45 AM

How to switch back to old Teams?

YoucanswitchbacktotheoldversionofMicrosoftTeamsonlyifyouraccounttypeallowsit.1.Checkifyou’reeligible:usersineducationorgovernmentorganizationsmightstillaccesstheclassicversionbytogglingoff“SwitchtonewTeams”intheappsettings.2.Trythewebversionatteams.m

Jul 09, 2025 am 12:37 AM

teams Switch back to the old version

How to desaturate in Photoshop

Desaturation can be achieved and optimized through a variety of methods. First, use the "Image>Adjust>Desaturation" shortcut key Shift Ctrl U to quickly decolorize but irreversible; secondly, add "Black and White Adjustment Layer" to adjust the light and darkness of each color channel to make the grayscale image more layered and suitable for stylized processing; again, use the "Hue/Saturation Adjustment Layer" to slide the saturation slider to flexibly control the overall color drop and support the addition of unified tones; finally, combine the local desaturation of the mask to highlight the key points of the picture, such as retaining the main color and erasing the background color to enhance visual design expression.

Jul 09, 2025 am 12:36 AM

How to fix a blurry photo in Photoshop

Photos can be repaired through three methods in Photoshop: 1. Use the "Smart Sharpening" function, which is suitable for slight blur, enhance the clarity and reduce noise by adjusting the "quantity" and "radius"; 2. Use "High Contrast Retention" to perform local sharpening, set the radius value after copying the layer and change the blending mode, and accurately control the sharpening area; 3. Try the "Anti-shake" function to automatically analyze the motion blur trajectory, which is suitable for specific scenes, but has limited effect on severe blur or out of focus. It is key to selecting tools reasonably and adjusting parameters moderately.

Jul 09, 2025 am 12:24 AM

How to create a PDF from multiple layouts in AutoCAD?

The key to merging multiple layouts into one PDF in AutoCAD is to use the Publish feature. The operation steps are as follows: 1. Right-click any layout label and select "Publish selected layout"; 2. Check all layouts to be exported in the pop-up window, and select "DWGToPDF.pc3" or other PDF printers for the printer name; 3. Click "Publish" to generate a PDF file containing multiple layouts. In addition, when setting the output quality, the printing style sheet, drawing size, resolution (300dpi recommended) and orientation should be adjusted to ensure that the output effect is professional and clear. For small layouts or special order requirements, an alternative can be adopted: export them as PDFs and merge them using Adobe Acrobat.

Jul 09, 2025 am 12:20 AM

What is Alipay Huabei (Ant Credit Pay)?

AlipayHuabei (Ant Huabei) is a "enjoy first and pay later" service provided by Alipay. Users can use this function to consume on online platforms such as Taobao and Tmall and offline merchants, and choose to repay the full amount at the end of the month or pay in installments. The quota is dynamically evaluated by the system based on user's transaction records, account information and the use of Alibaba's ecological services. 1. When using it, just choose Huabei as the payment method; 2. There is a monthly billing cycle and enjoy an interest-free period of about 40 days; 3. You can choose the minimum repayment but interest will be generated; 4. Large-scale consumption can be divided into 3, 6, 12 periods or even longer periods. Common uses include shopping, living expenses, takeaway ordering, supermarket consumption, travel reservations and tuition payments. It is recommended to set up automatic management

Jul 09, 2025 am 12:18 AM

How to use the pen tool in Photoshop

The key to mastering the Photoshop pen tool is to understand anchor points and path operations, usage patterns and cutout techniques. 1. The anchor points are divided into two types: straight lines and curves. The fewer anchor points, the smoother the path. The direction line angle and length determine the direction and curvature of the curve. You can use the Ctrl switch selection tool to adjust the anchor points, and the error points can be deleted by Delete; 2. The tool provides three modes: the shape mode is used to draw vector graphics. The path mode is suitable for creating selections or strokes. The fill pixel mode is rarely used; 3. When cutting the picture, it is recommended to use the path mode to convert the selection, and the magnification view and Shift alignment angle to improve accuracy. The edge can be elongated by 1-2 pixels to enhance natural transitions; 4. Complex paths can be saved through the "Path" panel for subsequent calls to improve efficiency. More practice

Jul 09, 2025 am 12:16 AM

pen tool

Microsoft Word online vs desktop

If you need temporary editing or collaboration, choose the online version; if you handle complex typesetting or professional documents, choose the desktop version. Daily lightweight office work such as writing lists, changing texts, and simple forms. WordOnline is fully sufficient. It supports basic formats, spelling checks, and comments. It does not require installation. It is suitable for students to make outlines, office workers write minutes, and temporary modifications. It is seamlessly connected with OneDrive and automatically saved, but the network is not good. When writing papers, reports, documents with directory structure, or inserting charts, footnotes, cross-references and other functions, the online version cannot meet the needs. At this time, a full-featured desktop version is required, which supports macro commands, plug-in extensions and more refined Chinese typesettings. The online version has the advantage in collaborative editing, and multiple people can modify and communicate in real time at the same time, which is suitable for teams.

Jul 09, 2025 am 12:14 AM

AutoCAD fatal error: unhandled access violation

When encountering the "fatalerrror:unhandledaccessviolation" error in AutoCAD, it is usually caused by graphics card drivers, damaged drawings, installation problems or system environment. The solutions are as follows: 1. Update the graphics card drivers and disable hardware acceleration or switch to integrated graphics card operation; 2. Use the RECOVER command to repair damaged drawings, clean external elements or re-import content; 3. Repair or reinstall AutoCAD to ensure that you run as an administrator and close the third-party interceptor program; 4. Run the software as an administrator, clean up the background process, and update .NETFramework and VisualC Redistributable. In most cases,

Jul 09, 2025 am 12:01 AM

autocad

Google Chrome downloads the graphics and text operation content of web videos

Easy Guide to Download Web Videos by Google Chrome Many Chrome novices may not yet be clear about how to download web videos. Don't worry, the following steps will walk you through easily: Step 1: Open a web page with the target video in Chrome. Step 2: Find the browser menu (usually three vertical points) and select Save As. This will start the video download. Finally, find the downloaded video file on your computer and play it. It's that simple! You have now learned how to download web videos in Google Chrome.

Jul 08, 2025 pm 02:24 PM

Browser Google computer video Web page download Google Chrome Graphics and text 2025

How to change my WeChat ID?

WeChat ID can be modified but there are strict restrictions. 1. Modification conditions: bind your mobile phone number and email address, complete real-name authentication, and have not changed the ID in the past month; 2. Operation steps: Enter "Me"> "Settings"> "Account and Security"> "WeChat ID"> Click "Modify"> Enter the new ID (only letters and numbers)> Submit confirmation; 3. Notes: You can only change it once in your life, the new ID must be unique to the entire network, the old ID will be released and may be registered by others, and some third-party platforms may be disconnected; 4. Reasons that cannot be modified: you have changed it once, you have not authenticated it in real-name, and you have not bound your mobile phone number or email address, and you can only re-register a new WeChat account at this time.

Jul 08, 2025 am 02:26 AM

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