Image Processing Overview

Overview
Image Processing is a set of image processing capabilities provided by Cloud Infinite (CI). It supports basic processing capabilities such as image cropping, format conversion, scaling, and watermarking, image downsizing capabilities such as Guetzli compression and AVIF transcoding and compression, blind watermarking for copyright protection, and AI-based recognition and analysis features such as image enhancement, tagging, scoring, and repair and image matting, meeting your image processing requirements in diverse business scenarios.
Note: 
Image Processing is available only in public cloud regions.
Image Processing is charged by CI. For detailed pricing, see Basic image processing fee in Billing and Pricing.
Currently, image processing is not supported for multi-AZ buckets.
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Service      
Feature      
Description   
Basic Image Processing
Scaling
Proportional scaling, scaling image to target width and height, and more
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Cropping
Cut (regular cropping), crop (scaling and cropping), iradius (inscribed circle cropping), and scrop (smart cropping)
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Rotation
Adaptive rotation and common rotation
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Format conversion
Format conversion, GIF optimization, and progressive display
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Quality conversion
Changes the quality of images in JPG and WEBP formats
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Gaussian blurring
Blurs images
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Sharpening
Sharpens images
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Watermarking
Image watermarks, text watermarks
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Obtaining image information
Basic information, EXIF data, average hue
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Removing metadata
Includes EXIF data
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Quick thumbnail template
Performs quick format conversion, scaling, and cropping to generate thumbnails
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Setting styles
Sets image styles to easily manage images for different purposes
AI-Based Image Recognition
Image repair
Removes content like logos, objects, and watermarks from images and intelligently fills it with the background to repair certain areas in images effectively.
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Image matting
Intelligently recognizes the body part in images and makes the remaining part transparent.
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Logo recognition
Recognizes brand logos in images and returns information such as logo characters and positions in the images.
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QR code recognition
Recognizes QR codes in images and returns their positions and content. Recognized QR codes can be pixelated.
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Image tagging
Intelligently recognizes information such as scenes, objects, animals (including cats, dogs, and birds), and food (including fruits and vegetables) in images and adds corresponding tags. Thousands of tags in dozens of categories are supported.
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Image quality assessment
Assesses the visual image quality in various dimensions and outputs objective definition scores and subjective aesthetic scores.
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Face recognition
Detects the face positions, facial features, face quality information in given face images and supports various special effects, including beauty filters, portrait keying, age change, and gender swap.
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FaceID
Provides capabilities like ID card recognition and face liveness detection.
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Vehicle recognition
Detects vehicles in images and recognizes information such as vehicle brand, color, location, and license plate number.
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Text recognition
Intelligently recognizes words in images and converts them into editable text.
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Search by image
Creates image libraries in a bucket and quickly searches for the same and similar images in the specified image libraries.
Others
Abnormal image detection
Detects images with abnormal and suspicious information such as images with TS video streams.
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How to Use
Using COS console
You can perform basic image processing operations in the COS console as instructed in Basic Image Processing.
Using RESTful APIs
You can perform basic image processing operations or AI-based recognition by using the APIs provided by COS as instructed in Data Processing APIs.
Restrictions
Format: JPG, BMP, GIF, PNG, and WebP images can be processed, and HEIF images can be decoded and processed.
Size: The input image cannot be larger than 32 MB, with its width and height not exceeding 30,000 pixels, and the total number of pixels not exceeding 250 million. The width and height of the output image cannot exceed 9,999 pixels. For an input animated image, the total number of pixels (Width x Height x Number of frames) cannot exceed 250 million pixels.
Number of frames (for animated images): For GIF, the number of frames cannot exceed 300.

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Service	Feature	Description
Basic Image Processing	Scaling	Proportional scaling, scaling image to target width and height, and more
		Cropping	Cut (regular cropping), crop (scaling and cropping), iradius (inscribed circle cropping), and scrop (smart cropping)
		Rotation	Adaptive rotation and common rotation
		Format conversion	Format conversion, GIF optimization, and progressive display
		Quality conversion	Changes the quality of images in JPG and WEBP formats
		Gaussian blurring	Blurs images
		Sharpening	Sharpens images
		Watermarking	Image watermarks, text watermarks
		Obtaining image information	Basic information, EXIF data, average hue
		Removing metadata	Includes EXIF data
		Quick thumbnail template	Performs quick format conversion, scaling, and cropping to generate thumbnails
		Setting styles	Sets image styles to easily manage images for different purposes
AI-Based Image Recognition	Image repair	Removes content like logos, objects, and watermarks from images and intelligently fills it with the background to repair certain areas in images effectively.
		Image matting	Intelligently recognizes the body part in images and makes the remaining part transparent.
		Logo recognition	Recognizes brand logos in images and returns information such as logo characters and positions in the images.
		QR code recognition	Recognizes QR codes in images and returns their positions and content. Recognized QR codes can be pixelated.
		Image tagging	Intelligently recognizes information such as scenes, objects, animals (including cats, dogs, and birds), and food (including fruits and vegetables) in images and adds corresponding tags. Thousands of tags in dozens of categories are supported.
		Image quality assessment	Assesses the visual image quality in various dimensions and outputs objective definition scores and subjective aesthetic scores.
		Face recognition	Detects the face positions, facial features, face quality information in given face images and supports various special effects, including beauty filters, portrait keying, age change, and gender swap.
		FaceID	Provides capabilities like ID card recognition and face liveness detection.
		Vehicle recognition	Detects vehicles in images and recognizes information such as vehicle brand, color, location, and license plate number.
		Text recognition	Intelligently recognizes words in images and converts them into editable text.
		Search by image	Creates image libraries in a bucket and quickly searches for the same and similar images in the specified image libraries.
Others	Abnormal image detection	Detects images with abnormal and suspicious information such as images with TS video streams.

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Overview

How to Use

Using COS console

Using RESTful APIs

Restrictions