fromPILimportImagedefconvert_white_to_transparent(input_image_path,output_image_path):# 打开输入图片image=Image.open(input_image_path).convert("RGBA")datas=image.getdata()new_data=[]foritemindatas:# 将接近白色的像素替换为透明ifitem[0]>200anditem[1]>200anditem[2]>200:new_data.append((255...
通过转换为PNG格式,可以从JPEG图像中获得透明背景。PNG(Portable Network Graphics)是一种无损压缩的图像格式,支持透明度通道。而JPEG(Joint Photographic Experts Group)是一种有损压缩的图像格式,不支持透明度。 要将JPEG图像转换为PNG并获得透明背景,可以按照以下步骤进行操作: 使用图像处理软件,如Adobe Pho...
Next, by using the Similar slider, you can adjust the similarity index to clear background residues. At last, click on the Save button to save the output transparent PNG image.Additional Feature:You can convert an image to monochromatic or all white image. It supports other common image forma...
如果图像不使用alpha通道来实现透明度，则可以执行以下操作：
Solved: The same happens to me, and it drives me mad! Without any logical reason the transparent export draws a white rectangel around my transparent - 11738579 - 2
Set black and white threshold: Start How to convert a PNG to a WEBP file? Choose thePNGfile you want to convert Change quality or size (optional) Click on "Start conversion" to convert your file fromPNG to WEBP Download yourWEBPfile ...
I created an image in illustrator on iPad, then quickexport as PNG to fotos app (they have a transparent background shown as black or white in the photos app) - 11726517
- You need to send an image to a device that only supports JPEG/PNG. - You want fill the transparent parts of an image file with white. Privacy Policy: https://sites.google.com/view/convertmagic Terms of Use: https://sites.google.com/view/convert-magic-terms ...
Set black and white threshold: Bit depth:no change1816 Set colorspace:Choose ColorspaceCMYKGraysRGB Start How to convert a PNG to a TIFF file? Choose thePNGfile you want to convert Change quality or size (optional) Click on "Start conversion" to convert your file fromPNG to TIFF ...
convert a.png -background white -flatten b.jpg 效果如下: 白色背景jpg 当然,叠加其他颜色也是可以的: convert a.png -background green -flatten green.jpg 效果如下: 绿色背景的jpg 参考链接: 1.Converting transparent PNG to Jpeg - ImageMagick