Searches for image information in an Image Search instance.
Before you call this operation, you must specify the instanceName parameter in a URL to specify the instance in which you want to search for images. You must also specify other parameters in a specified format to construct a request body. The request URL includes /item/search.
Request parameters
Parameters in the URL
Parameter
Type
Required
Description
instanceName
String
Yes
The name of the instance where you search for images.
Parameters in the request body
Parameter
Type
Required
Description
cat_id
String
No
The ID of the category.
n
int
No
The number of images to be returned.
s
int
No
No. of the first image to be displayed.
crop
boolean
No
Specifies whether to recognize the subject in the image and search for images based on the recognized subject. Valid values: true and false. Default value: true.
region
String
No
The subject area in the image. The subject area is in the format of
x1,x2,y1,y2
.x1 and y1
represent the upper-left corner pixel.x2 and y2
represent the lower-right pixel. By default, the system automatically recognizes the subject area.pic_list
List
Yes
The name of the sample image based on which you search for similar images. You can specify only one image name.
pic_map
Map
Yes
The content of the sample image.
Body structure
The body is in the following format:
key1,key1_start_offset,key1_end_offset#...#keyn,keyn_start_offset,keyn_end_offset^key1_content...keyn_content
The body is divided into two parts: image metadata and image content, which are separated with a circumflex (^). The metadata includes a set of keys and the offset of each key value in the content. Keys are separated with number signs (#). Each key includes a key name, a start offset value, and an end offset value, which are separated with commas (,). The start offset value and the end offset value represent the start position and end position of the key the image content. The pic_list parameter specifies Base64-encoded image names that are separated with commas (,). The pic_map parameter specifies Base64-encoded image content. Each key that is specified in the pic_map parameter must be paired with a key that is specified in the pic_list parameter.
Response parameters
Parameter | Type | Description |
Success | Boolean | Indicates whether the request is successful. |
RequestId | String | The ID of the request. |
Code | int | The error code. The value 0 indicates a request success. A value that is not 0 indicates a request failure. |
Message | String | The returned message. |
Head | Map | The description of the search results. |
DocsReturn | int | The number of the returned images. |
DocsFound | int | The number of the matched images in the instance. |
SearchTime | int | The time that the search takes. Unit: milliseconds. |
PicInfo | Map | The image matting information. |
Category | String | The category of the image. |
Region | String | The subject area in the image. The subject area is in the format of |
AllCategory | Map | All the categories that are supported by the system. |
Name | String | The name of the category. |
Id | String | The ID of the category. |
Auctions | Map | All the product descriptions that were returned. |
CustContent | String | The custom content of the product. |
PicName | String | The name of the image. |
CatId | String | The category of the image. |
ProductId | String | The ID of the product. |
SortExprValues | String | The score information about the image. |
Response format
{
"Auctions": {
"Auction": [{
"CustContent": "k1:v1,k2:v2,k3:v3",
"PicName": "girl_cloth3.jpg",
"CatId": "0",
"SortExprValues": "7.33136443711219e+24;0",
"ProductId": "1002"
}]
},
"Head": {
"DocsReturn": 1,
"DocsFound": 57,
"SearchTime": 124
},
"PicInfo": {
"Category": "0",
"Region": "51,339,91,392",
"AllCategory": {
"Category": [{
"Name": "Tops",
"Id": "0"
}, {
"Name": "Dress",
"Id": "1"
}, {
"Name": "Bottoms",
"Id": "2"
}, {
"Name": "Bag",
"Id": "3"
}, {
"Name": "Shoes",
"Id": "4"
}, {
"Name": "Accessories",
"Id": "5"
}, {
"Name": "Snack",
"Id": "6"
}, {
"Name": "Makeup",
"Id": "7"
}, {
"Name": "Bottle",
"Id": "8"
}, {
"Name": "Furniture",
"Id": "9"
}, {
"Name": "Toy",
"Id": "20"
}, {
"Name": "Underwear",
"Id": "21"
}, {
"Name": "Digital device",
"Id": "22"
}, {
"Name": "Other",
"Id": "88888888"
}]
}
},
"Message": "success",
"RequestId": "183A7C57-20B9-4AE6-8227-1EE8B0A4B99B",
"Success": true,
"Code": 0
}
Examples
The following example shows how to search for a product image whose category ID is 0 in the goodssearch instance. In this example, the image content is pic_content1 and the image name is searchPic. No. of the first image to be displayed is 0. The number of images to be returned is 10. The following request is provided:
URL: /item/search? instanceName=goodssearch
POST Body:
s,0,1#cat_id,1,2#pic_list,2,14#c2VhcmNoUGlj,14,30#n,30,32^00c2VhcmNoUGljcGljX2NvbnRlbnQx10
c2VhcmNoUGlj represents the Base64-encoded image name.