JPEG is a lossy image compression format, suitable for photographs and other natural images. It attempts to compress the image while retaining its visual appearance, while allowing the compressor to trade image quality for file size.
Questions tagged [jpeg]
53 questions
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Why are some JPEG files of the same scene much larger than others?
I'm using a Foscam FI8910W ip camera to view a static scene under constant lighting conditions. When I pull back a frame grab, it's about 35 KB in size. I can do this over and over and it's always around 35 KB, but fluctuates somewhat due to…
Paul Uszak
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YCbCr to jpeg-YCbCr
Im sampling an image in YCbCr from an ov7670 camera and using jpegant library to encode a jpeg file.
Whenever I do it directly using Y,Cb,Cr values from my camera, I get a pink-violet version of the image.
As far as I can understand on Wikipedia,…
Eraclea
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Blocking effect after reconstructuring the image. Jpeg compression
The image is splitted into 8x8 blocks each of which are processed through DCT, quantization, huffman encoding/decoding, dequantization and inverse dct and used to recontruct the image. But there is a horrible blocking effect after this compression…
Thunfische
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