Therefore, you can first preview the image and choose the download format that best suits your visual requirements. Each of these formats has its own characteristics in terms of artifacts and loss of details at lower quality levels. You can download the image with reduced or increased quality in a PNG, JPEG, or WebP format. Conversely, by increasing the image quality, such as 150%, will enhance the sharpness, clarity, vibrancy, and overall visual look of the image, and a value of 200% will additionally maximize the brightness and contrast. For example, by setting the quality to 50%, the image's sharpness and clarity will be reduced by half, and by setting it to 10%, it will get artifacts, lose color vibrancy, and increase pixelation. To decrease the image quality, you can set this percentage to a value lower than 100 (within the range of 0% to 99%) and to increase the image quality, you can set this percentage to a value greater than 100 (ranging from 101% to 200%). By default, any input image that's loaded into the tool has a quality of 100%. The quality is measured as a percentage value ranging from 0% to 200%. To modify the image stretch ratio and the image size, please use the property of ImageModification.StretchRatio and call ModifyImage() method with this ImageModification.This tool adjusts the quality of an image. This suggestion is only relevant if the image resolution was not changed during the loading step. To detect the best resolution from the specified range and change the resolution of the page image accordingly, use the CorrectResolution method of the FRPage object. To change the resolution of an image that is already opened, use the ChangeResolution method of the ImageDocument object. For vector PDFs, please use the below method instead. Note: The solution above does not work for vector PDFs, only for the raster ones. for binarization, deskewing, etc.) unless you process a vector PDF. With these changes, the new resolution will be used for image preprocessing (i.e. If the best resolution is unknown, then please use the following parameter instead: PrepareImageMode.AutoOverwriteResolution = true PrepareImageMode.XResolutionToOverwrite = Correct_Value PrepareImageMode.yResolutionToOverwrite = Correct_Value If the best resolution is known in advance, then it is possible to change it at the loading step: PrepareImageMode.OverwriteResolution = true This may use up all your license counters unexpectedly. If the mistaken image is as large as 2 A4 pages, then 2 license counter units will be used for the processing. 1 license counter unit is used to process 1 A4 page. The physical size might be enlarged for the incorrect resolution pages.
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