Image Processing in Cloud via Java REST API

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Aspose.Imaging Cloud SDK for Java helps you work with image file formats within your cloud-based Java Apps, without installing any 3rd party software. It is a wrapper around Aspose.Imaging Cloud REST APIs.

Image Cloud Processing Features

• Fetch or update properties of cloud-hosted images.
• Work with BMP, GIF, TIFF, JPG, PSD, JPEG2000, WebP, EMF, & WMF image properties.
• Resize, crop, rotate, flip, append, & deskew images.
• Convert images from one format to another.
• Update TIFF image parameters as per Fax parameters.
• Fetch frame range from multipage images.
• Apply any of various availabile image filters.
• Turn all colors of an image to shades of gray to make a grayscale image
• Ability to load custom fonts for vector images.
• Avaibility on Docker Hub.
• Supports Single Shot Detector (SSD) method to recognize objects within images (BMP, JPEG, & JPEG2000).-

Image AI Features in the Cloud

• Content-based image search
• Search for duplicate images
• Image search by custom registered tags
• Ability to compare images and detect similarity
• Supports reverse image search with parallel processing
• AKAZE detector is supported for image feature extraction

Image Cloud Storage Features

• Upload, download, copy, move and delete files, including versions handling (if you are using Cloud storage that supports this feature - true by default)
• Create, copy, move and delete folders
• Copy and move files and folders accross separate storages in scope of a single operation
• Check if certain file, folder or storage exists

Suported File Formats

Vector: SVG, SVGZ
Medical Imaging: DICOM
eBook: DJVU
Digital Camera (RAW): DNG
Apache OpenOffice®: ODG, OTG
Raster: JPEG2000, JPEG, BMP, TIFF, GIF, PNG, APNG,TGA
Metafiles: EMF, WMF, EMZ, WMZ
Photoshop®: PSD
CorelDRAW®: CDR, CMX
Fixed Layout: PDF
Postscript: EPS
Google®: WebP

Supported Image Filters

• BigRectangular
• SmallRectangular
• Median
• GaussWiener
• MotionWiener
• GaussianBlur
• Sharpen
• BilateralSmoothing

Requirements

Building the API client library requires:

1. Java 1.8+
2. Maven

Prerequisites

To use Aspose.Imaging Cloud SDK for Java you need to register an account with Aspose Cloud and lookup/create Client ID and Client Secret at Cloud Dashboard. There is free quota available. For more details, see Aspose Cloud Pricing.

Installation

Install from Maven

Add Aspose Cloud repository to your application pom.xml

<profiles>
    <profile>
        <repositories>
            <repository>
                <id>AsposeJavaAPI</id>
                <name>Aspose Java API</name>
                <url>https://releases.aspose.cloud/java/repo/</url>
                <snapshots>
                    <enabled>false</enabled>
                </snapshots>
                <releases>
                    <enabled>true</enabled>
                </releases>
            </repository>
        </repositories>
        <id>repositoryProfile</id>
        <activation>
            <activeByDefault>true</activeByDefault>
        </activation>
    </profile>
</profiles>

Install from source

To install the API client library to your local Maven repository, simply execute:

mvn clean install

To deploy it to a remote Maven repository instead, configure the settings of the repository and execute:

mvn clean deploy

Refer to the OSSRH Guide for more information.

Maven users

Add this dependency to your project’s POM:

<dependency>
    <groupId>com.aspose</groupId>
    <artifactId>aspose-imaging-cloud</artifactId>
    <version>22.4</version>
</dependency>

Others

At first generate the JAR by executing:

mvn clean package

Then manually install the following JARs:

• target/aspose-imaging-cloud-22.4.jar
• target/lib/*.jar

Convert JPG to PNG in Java

// Get your ClientId and ClientSecret from https://dashboard.aspose.cloud (free registration required).
ImagingApi api = new ImagingApi("MY_CLIENT_SECRET", "MY_CLIENT_ID");

ConvertImageRequest request = new ConvertImageRequest("sample.jpg", "png", "tempFolder", "My_Storage_Name");
byte[] response = api.convertImage(request);

Licensing

All Aspose.Imaging Cloud SDKs, helper scripts and templates are licensed under MIT License.

Authorization & Authentication

Authentication schemes defined for the API is as follows:

JWT

• Type: OAuth
• Flow: application
• Authorization URL: https://api.aspose.cloud/connect/token

Recommendation

It’s recommended to create an instance of ApiClient per thread in a multithreaded environment to avoid any potential issues.

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