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更新时间:2024-07-25 GMT+08:00
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提取图片中的文字暗水印(文件地址版本)

功能介绍

对指定存储地址信息(目前支持OBS)的已嵌入文字暗水印的图片提取文字暗水印,支持的图片格式为:*.jpg, *.jpeg, *.jpe, *.png, *.bmp, *.dib, *.rle, *.tiff, *.tif, *.ppm, *.webp, *.tga, *.tpic, *.gif。

调用方法

请参见如何调用API

URI

POST /v1/{project_id}/image-address/watermark/extract

表1 路径参数

参数

是否必选

参数类型

描述

project_id

String

项目ID

请求参数

表2 请求Header参数

参数

是否必选

参数类型

描述

X-Auth-Token

String

用户Token。通过调用IAM服务“获取用户Token接口”获取(响应消息头中X-Subject-Token的值)

表3 请求Body参数

参数

是否必选

参数类型

描述

region_id

String

项目所在region的id,如:xx-xx-1。

src_file

String

待提取文字暗水印的图片地址,当前只支持OBS,格式为 obs://bucket/object ,其中bucket为和当前项目处于同一区域的OBS桶名称,object为对象全路径名。例如:obs://hwbucket/hwinfo/hw.png,其中obs://表示OBS存储,hwbucket为桶名,hwinfo/hw.png为对象全路径名。

mark_len

Integer

指定待提取水印的长度,最小0,最大32.。设置后可以提升水印提取性能。

响应参数

状态码: 200

表4 响应Body参数

参数

参数类型

描述

watermark

String

暗水印内容,长度不超过32个字节

状态码: 400

表5 响应Body参数

参数

参数类型

描述

error_code

String

错误码

error_msg

String

错误信息

请求示例

提取obs://hwbucket/hwinfo/hw.png路径下的图片中的文字暗水印。

POST /v1/{project_id}/image-address/watermark/extract HTTP/1.1

{
  "region_id" : "xx-xx-1",
  "src_file" : "obs://hwbucket/hwinfo/hw.png"
}

响应示例

状态码: 200

请求成功

{
  "watermark" : "mark!"
}

状态码: 400

无效请求

{
  "error_code" : "DSC.00000007 ",
  "error_msg" : "File format error"
}

SDK代码示例

SDK代码示例如下。

提取obs://hwbucket/hwinfo/hw.png路径下的图片中的文字暗水印。

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.dsc.v1.region.DscRegion;
import com.huaweicloud.sdk.dsc.v1.*;
import com.huaweicloud.sdk.dsc.v1.model.*;


public class ShowImageWatermarkByAddressSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");

        ICredential auth = new BasicCredentials()
                .withAk(ak)
                .withSk(sk);

        DscClient client = DscClient.newBuilder()
                .withCredential(auth)
                .withRegion(DscRegion.valueOf("<YOUR REGION>"))
                .build();
        ShowImageWatermarkByAddressRequest request = new ShowImageWatermarkByAddressRequest();
        ShowImageWatermarkByAddressRequestBody body = new ShowImageWatermarkByAddressRequestBody();
        body.withSrcFile("obs://hwbucket/hwinfo/hw.png");
        body.withRegionId("xx-xx-1");
        request.withBody(body);
        try {
            ShowImageWatermarkByAddressResponse response = client.showImageWatermarkByAddress(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

提取obs://hwbucket/hwinfo/hw.png路径下的图片中的文字暗水印。

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdsc.v1.region.dsc_region import DscRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdsc.v1 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]

    credentials = BasicCredentials(ak, sk)

    client = DscClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(DscRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ShowImageWatermarkByAddressRequest()
        request.body = ShowImageWatermarkByAddressRequestBody(
            src_file="obs://hwbucket/hwinfo/hw.png",
            region_id="xx-xx-1"
        )
        response = client.show_image_watermark_by_address(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

提取obs://hwbucket/hwinfo/hw.png路径下的图片中的文字暗水印。

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    dsc "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dsc/v1"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dsc/v1/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dsc/v1/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        Build()

    client := dsc.NewDscClient(
        dsc.DscClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ShowImageWatermarkByAddressRequest{}
	request.Body = &model.ShowImageWatermarkByAddressRequestBody{
		SrcFile: "obs://hwbucket/hwinfo/hw.png",
		RegionId: "xx-xx-1",
	}
	response, err := client.ShowImageWatermarkByAddress(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

更多编程语言的SDK代码示例,请参见API Explorer的代码示例页签,可生成自动对应的SDK代码示例。

状态码

状态码

描述

200

请求成功

400

无效请求

错误码

请参见错误码

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