“…For I TẠP CHÍ PHÁT TRIỂN KH&CN, TẬP 21, SỐ T1-2018 CHUYÊN SAN KHOA HỌC TỰ NHIÊN, TẬP 2, SỐ 1, 2018 77 instance, the case in which g is a uniform density or a compactly supported density in general. In the present paper, as a continuation of the paper of Chesneau et al [15], we consider the case of compactly supported noise density g . In fact, the problem was studied by Trong-Phuong [16] in the case of 1 m ; however, the problem has more challenge with ,2 mm .…”