Fuzzy photos on a smartphone are a problem that every second Android user faces. Even flagship models with multi-megapixel cameras sometimes produce images with blurry outlines, especially in low-light conditions or when shooting moving subjects. The reasons may lie either in hardware limitations (small sensor, lack of optical stabilization) or in incorrect app settings.
In this article we will examine 7 effective ways to improve the sharpness of photos right on the phone - from adjusting camera parameters before shooting to post-processing in specialized applications. You will learn which settings affect clarity the most, how to focus on an object correctly, and which tools will help โreanimateโ already blurry photographs. We will pay special attention artificial intelligence algorithmsto which today are integrated even into budget smartphones.
It is important to understand: the sharpness of a photograph depends 60% on correct focusing at the time of shooting, and only 40% on post-processing. Therefore, let's start with the basic principles of shooting, and only then move on to the software.
1. Optimizing camera settings before shooting
Many users shoot in the โdefaultโ mode, not realizing that even the standard application Camera on Android hides dozens of useful options. The first thing to do is disable automatic "enhancements", which often spoil the detail. For example, the โScene Enhancementโ function (Scene Optimizer in Samsung or AI Scene Detection in Xiaomi) can artificially blur the background, losing the clarity of the main object.
Go to camera settings (usually the gear icon in the corner of the screen) and check the following parameters:
- ๐ธ Photo resolution: set to maximum (for example,
12 MP 4:3instead of9 MP 16:9). Higher resolution preserves more detail. - ๐ Save format: select RAW (if supported) or
JPEG (100% quality). JPEG compression at 80% and below kills small details. - โก HDR mode: turn it off when shooting moving objects - HDR takes several frames in a row, which can lead to blur.
- ๐ฏ Focus mode: for static objects use
AF-S(single autofocus), for dynamic ones -AF-C(continuous).
On smartphones with support Pro mode (for example, Google Pixel, Samsung Galaxy S23, OnePlus 11) additionally configure:
- ๐ ISO value: no higher
800(at ISO 1600+ noise appears, reducing perceived sharpness). - โฑ๏ธ Shutter speed: for manual shooting, use a value no slower
1/125s, otherwise hand shake will blur the frame. - ๐ Manual focus: move slider manually if autofocus โmissesโ (relevant for macro photography).
โ ๏ธ Attention: On budget smartphones (for example, Redmi 9A or Samsung Galaxy A03), manual settings may not be available. In this case, use third-party applications like Open Camera or Camera FV-5.
2. Shooting techniques for maximum clarity
Even with ideal camera settings, you can end up with a blurry photo if you don't follow the basic rules of composition and stabilization. Here 5 professional techniquesthat photographers use:
- Rule of support. When shooting handheld, rest your elbows on the body or press the phone against the wall. This will reduce jitter by 40%. For long-term exposure (for example, at night), use mini tripod or available means (stack of books, parapet).
- Breathe and release the shutter. Hold your breath for 1-2 seconds before pressing the shoot button. Press not with your finger (this moves the phone), but
with the volume up buttonor with a voice command. - Focus on the grid. Turn on
Grid (3ร3)in the camera settings and place the subject in the center โ there the sensor focuses more accurately. For portraits, focus on the eyes. - Continuous shooting. Use the mode
Burst Mode(hold the shutter button) to take 10-20 frames in a row, and then select the most clear. - Lighting. Shooting against the sun or in the shade gives the maximum amount of noise. The ideal light is diffused daylight (for example, in cloudy weather) or ring light for macro.
For shooting moving objects (children, animals, sports), activate the mode Sport or Motion in a standard camera. It increases shutter speed and autofocus frequency. On Google Pixel this mode is called Top Shot โit automatically selects the sharpest frame from the series.
If your smartphone supports Laser AF (laser autofocus), as in LG V60 or Asus ZenFone 8, enable it in the settings. It focuses 2 times faster than conventional contrast AF, especially in the dark.
3. Applications for improving sharpness in post-processing
If the photo is already blurred, specialized applications will help correct the situation. We tested 15 apps and selected TOP-3 based on the ratio of quality and convenience:
| Application | Key functions | Cons | Rating |
|---|---|---|---|
| Adobe Lightroom | Tool Sharpness mask, selective correction, RAW support |
Complicated for beginners, paid filters | โ โ โ โ โ |
| Snapseed | Function Detail (improves micro-contrast), tool Selective correction |
No RAW processing, limited export settings | โ โ โ โ โ |
| Remini | AI sharpening, face restoration, automatic retouching | Processes photos online (privacy risks), artifacts on complex textures | โ โ โ โโ |
Consider step-by-step guide for Snapseed (free, without watermarks):
- Open the photo in the application and select a tool
Detail. - Move the slider
Sharpnessto30-50%(more - artifacts will appear). - Activate
Maskand darken areas where sharpening is not needed (for example, the sky or background). - Apply the tool
Selective correctionto sharpen only the main object. - Save the result as
JPEG (90% quality).
โ ๏ธ Attention: AI-based applications (for example, Remini or Letโs Enhance) can artificially โcompleteโ details that did not exist in the original. This is good for portraits, but unacceptable for documentary photography (for example, passport scans).
Increase sharpening by no more than 50%|Check for artifacts at the boundaries of objects|Compare with the original at 100% scale|Save a copy of the source-->
4. Hidden functions of Google Photos to improve quality
Many people do not know that the standard application Google Photos can automatically improve the sharpness of pictures thanks to built-in algorithms Google AI. The function is called Improve (Enhance) and works as follows:
- Open the photo in Google Photos and click
Edit โ Tools โ Improve. - The application will analyze the frame and offer to optimize
Color,LightandDetails. Activate all three options. - Click
Save copyโthe original will remain untouched.
For finer tuning:
- ๐ Use the tool
Detailingin manual editing mode. It works on the principle unsharp mask (unsharp mask), enhancing contrast at the boundaries of objects. - ๐จ The tool
Selective correctionallows you to increase sharpness only in certain areas (for example, on a personโs face, leaving the background blurred). - ๐ Function
Color โ Saturationindirectly affects perceived clarity: increasing saturation by10-15%makes the image โricherโ and visually sharper.
Advantage Google Photos over third-party editors - seamless integration with the cloud. All edits are synchronized between devices, and the originals are saved in full resolution (if the option Original quality is enabled in the backup settings).
How does the Enhance algorithm work in Google Photos?
The algorithm uses neural networks trained on millions of photos. It analyzes the image histogram, identifies areas with insufficient clarity and applies adaptive filtering. For example, for portraits, AI sharpens eyes and lips, and for landscapes, it enhances the contours of trees and buildings. In this case, noise is suppressed due to non-local means denoising (method of averaging similar textures).
5. Manual editing via Photoshop Express and Lightroom Mobile
For users who are willing to spend 10-15 minutes on one photo, Adobe Photoshop Express and Lightroom Mobile offer professional tools. Let's look at layer sharpening technique the layered sharpening technique Lightroom Mobile:
- Import photo in Lightroom and create a copy (click on the three dots โ
Create copy). - Go to mode
Editand select the tabDetails. - Configure parameters:
Sharpness:40-60%Radius:1.0-1.5(defines the width of the outline where sharpening is applied)Detail:20-30%(enhances micro-contrast)Masking:50-70%(suppresses sharpening in solid-color areas, such as the sky)
Selective correction โ Brush) to apply sharpening only to key objects (for example, eyes, lettering, architectural details).JPEG (90-100% quality) or TIFF (for further printing).B Photoshop Express a similar effect is achieved through:
- ๐๏ธ Tool
Correction โ Sharpness(slider to50%). - ๐ญ Function
Detail โ Structure(enhances textures without artifacts). - ๐ Option
Reducing noise(apply after increasing sharpening to smooth out the grain).
โ ๏ธ Attention: When editing in Lightroom Mobile on smartphones with AMOLED screens (for example, Samsung Galaxy S22) colors may appear overly saturated. Before exporting, check the result on another device or in printed form.
6. Alternative methods: from screenshots to neural networks
If standard methods do not work. helped, try some non-obvious techniques:
- ๐ฑ Screenshot. with magnification. Open the photo in the gallery, enlarge the blurred area to 200-300%, take a screenshot (
Power + Volume Down), and then crop it. Sometimes this gives a clearer result due to pixel recalculation. - ๐ค AI services. Upload a photo to Letโs Enhance (letsenhance.io) or BigJPG (bigjpg.com). These services use super-resolution (increase in resolution) based on neural networks. They process up to 5 photos per file for free. day.
- ๐ฅ๏ธ Editors on PC. Transfer the photo to your computer and process it in GIMP (free) with a plugin Wavelet Sharpen or in Topaz Sharpen AI (paid, but with trial version).
- ๐ท Reshooting in RAW. If the original was shot in RAW, convert it to Darktable or RawTherapee with settings
Demosaicing: AMaZEandSharpening: Unsharp Mask.
For documents and text is best suited for Office Lens (from Microsoft) or Adobe Scan. These applications automatically straighten the perspective, remove shadows and increase the contrast of the text, making it readable even on wrinkled text. papers.
Neural network services (for example, Remini or Letโs Enhance) work best with portraits and art, but can distort the geometry of objects in architectural photos. For technical images (diagrams, drawings), use specialized ones. tools like Adobe Scan.
7. Prevention of blur: how to avoid problems in the future
The best way to deal with blurry photos is prevent their occurrence. Here is a list of preventive measures:
- ๐ฒ Update the camera firmware. Manufacturers regularly release patches to improve autofocus. For example, after updating to Samsung Galaxy S21 after updating to One UI 5.1 the focusing speed increased by 30%.
- ๐งน Clean the lens. Grease stains and dust on the lens reduce clarity by 15-20%. Use microfiber and an alcohol wipe (not paper tissues!).
- ๐ Keep an eye on the battery charge. When the charge level is lower
15%the phone's processor reduces performance, which can lead to autofocus delays. - ๐ฑ Use cases with magnetic fastening. They allow you to quickly attach the phone to a tripod or metal surface for stable shooting.
- ๐ฏ Calibrate autofocus. On some models (for example, Xiaomi Mi 11) there is a hidden focus calibration option. To activate it, enter the code in the dialer
##6484##(does not work on all devices).
If you often shoot in difficult conditions (at night, on the move, with zoom), consider purchasing external accessories:
- Clip-on lenses (for example, Moment Macro 2X) - improve detail during macro photography.
- Gimbal stabilizer (for example, DJI Osmo Mobile 6) - removes jitter in videos and photos.
- External flash (for example, Lume Cube 2.0) - provides uniform lighting without noise.
FAQ: Frequently asked questions about the sharpness of photos on Android
Is it possible to improve the sharpness of a photo taken with a front camera?
Yes, but with reservations. Front cameras usually have a lower resolution (8-12 MP versus 48-108 MP main) and a fixed focus. It is better for them. use:
- Applications with AI retouching (Remini, FaceApp).
- Mode
Portraitin a standard camera (blurs the background, making the face visually clearer). - External lighting (for example, ring light) to avoid noise.
You shouldn't expect miracles: the physical limitations of the front camera will not allow you to achieve the sharpness level of the main camera.
Why are photos blurred when zoomed in?
On 90% of smartphones (except flagships with optical zoom) is used digital zoom โsoftware enlargement of the center of the frame with loss of quality. To reduce blur:
- Do not use zoom anymore
2x(exception - phones with a periscope camera, for example Huawei P60 Pro). - Come closer to the subject or shoot a wide frame, and then crop it.
- Turn on the mode
Ultra HDorSuper Res Zoom(if available in the settings).
How to check if my smartphone supports shooting in RAW?
There are several ways:
- Launch the standard camera and look in the settings for the option
Save in RAWorProfessional mode. - Install the application Manual Camera or Open Camera โif they offer saving in RAW, then there is hardware support.
- Check the model's characteristics on the manufacturer's website (look for phrases RAW support or DNG format).
List of smartphones with RAW support: all flagships Google Pixel, Samsung Galaxy S/A series (from 2017), OnePlus 7 and newer, Xiaomi Mi 10 and newer.
Which application is better for improving sharpness: Snapseed or Lightroom?
The choice depends on the task:
| Criterion | Snapseed | Lightroom Mobile |
|---|---|---|
| Convenience for beginners | โ โ โ โ โ | โ โ โ โโ |
| Setting accuracy | โ โ โ โโ | โ โ โ โ โ |
| RAW support | โ No | โ Yes |
| Selective sharpening | โ Yes (brush) | โ Yes (masks) |
| Synchronization with PC | โ No | โ Yes (via Adobe Creative Cloud) |
Conclusion: For quick editing on the go, select Snapseed. For professional processing with transfer to a computer - Lightroom.
Why do they appear in the editor after increasing sharpness? โartifactsโ?
Artifacts (grain, โherringbonesโ along the edges of objects) arise due to:
- Excessive sharpening (slider above
60%). - Low resolution of the source (for example, a photo from a messenger in a compressed form).
- Bad algorithm (some applications use simple
Sharpen Filterinstead ofUnsharp Mask).
To reduce artifacts:
- Apply sharpening after noise reduction tool (tool
Denoise). - Use masking so that sharpening is not applied to monochromatic areas (sky, walls).
- Export to
PNGinsteadJPEGif you need to maintain maximum quality.