CaptureVisionRouter Single File Processing
| Name | Description |
|---|---|
| capture() | Processes a single image or file to derive important information. |
| captureMultiPages() | Processes a multi-page PDF file and returns the extracted content for each page. |
capture
Processes a single image or file to derive important information.
Syntax
capture(imageOrFile: Blob | HTMLImageElement | HTMLCanvasElement | HTMLVideoElement | DSImageData | string, templateName?: string): Promise<CapturedResult>;
Parameters
imageOrFile: specifies the image or file to be processed.
The following data types are accepted:
Blob,HTMLImageElement,HTMLCanvasElement,HTMLVideoElement,DSImageData,string.The supported image formats include:
.jpg,.jpeg,.icon,.gif,.svg,.webp,.png,.bmp.
templateName: specifies a “CaptureVisionTemplate” to use. If not specified, the preset template named ‘Default’ will be used.
There are two types of CaptureVisionTemplates: the preset ones which come with the SDK and the custom ones that get initialized when the user calls initSettings.
Please be aware that the preset CaptureVisionTemplates will be overwritten if the user calls initSettings and passes customized settings.
Return value
A promise that resolves with a CapturedResult object which contains the derived information from the file processed.
Code snippet
let router = await Dynamsoft.CVR.CaptureVisionRouter.createInstance();
let results = await router.capture("blob:https://demo.dynamsoft.com/afb84bd2-e8cb-4b96-92b6-36dc89783692", "ReadSingleBarcode");
let count = results.items.length;
for(let i = 0; i < count; i++) {
//...
}
captureMultiPages
Captures multiple pages from a PDF file and returns the extracted content for each specified page.
Syntax
captureMultiPages(file: Blob | string, templateName?: string, options?: PDFOptions): Promise<CapturedResult[]>;
Parameters
file: the PDF file to process. Can be provided as a Blob object or a file path string.
templateName: specifies a “CaptureVisionTemplate” to use. If not specified, the preset template named ‘Default’ will be used.
options: optional configuration parameters for the capture operation.
pages: an array of page numbers (0-indexed) to extract. If empty or omitted, all pages in the document will be processed.dpi: the DPI (dots per inch) resolution for rendering. Defaults to 300.
Return value
A promise that resolves to an array of CapturedResult objects, where each object corresponds to the extracted data from a single page in the order specified.
Remarks
New added in CaptureVisionBundle version 3.6.2000 & BarcodeReaderBundle version 11.6.2000.
Yes
No