function [ rle, ratio ] = D35WQ8_compress( img, QF )
    cropped = crop(img, [8, 8]);
    x = D35WQ8_RGB_to_YCbCr(cropped);
    blocks = D35WQ8_im2block(x, [8, 8]);
    dct = D35WQ8_DCT(blocks);
    quant = D35WQ8_quantizer(dct, QF);
    zz = D35WQ8_zigzag(quant);
    rle = D35WQ8_rle_encoder(zz);
    
    numimg = numel(img);
    numrle = numel(rle);
    ratio = numimg/numrle;
end