  We propose a novel JPEG XT image compression with hue compensation for
two-layer HDR coding. LDR images produced from JPEG XT bitstreams have some
distortion in hue due to tone mapping operations. In order to suppress the
color distortion, we apply a novel hue compensation method based on the
maximally saturated colors. Moreover, the bitstreams generated by using the
proposed method are fully compatible with the JPEG XT standard. In an
experiment, the proposed method is demonstrated not only to produce images with
small hue degradation but also to maintain well-mapped luminance, in terms of
three kinds of criterion: TMQI, hue value in CIEDE2000, and the maximally
saturated color on the constant-hue plane.
