A method for determining coordinates of stylus interaction with a digitizer sensor, the method comprising: detecting a signal on first electrodes along a first axis of a digitizer sensor and on second electrodes along a second axis of the digitizer sensor, wherein the signal is a signal transmitted by a signal-emitting stylus interacting with the digitizer sensor, and wherein the digitizer sensor is a grid-based capacitive sensor; detecting hand input on the first electrodes and on third electrodes along the second axis and detecting no hand input on the second electrodes, wherein the hand input detection is based on self-capacitive detection; determining coordinates of stylus input; and reporting the coordinates to a host computing device associated with the digitizer sensor; characterized in that the method further comprises: estimating the signal transmitted by the stylus on the first electrodes according to Py = (Px / K) / (Fx / Fy), where Py is an array of energies of the signal to be estimated, Fx is a maximum finger effect in the hand input detected on the third electrodes, Fy is an array of finger effects in the hand input detected on the first electrodes, Px is the peak energy of the signal from the stylus detected on the second electrodes, and K is a calibration ratio defined based on calibration data detected while a hand is coupled to sensing lines along one axis that carry a stylus signal and not coupled to sensing lines along the other axis that carry a stylus signal, wherein the calibration ratio relates output detected during stylus detection and corresponding output detected during self-capacitive detection; and in that the determining the coordinates of the stylus input is based on the signal detected on the second electrodes and the signal estimated for the first electrodes. detecting a signal on first electrodes along a first axis of a digitizer sensor and on second electrodes along a second axis of the digitizer sensor, wherein the signal is a signal transmitted by a signal-emitting stylus interacting with the digitizer sensor, and wherein the digitizer sensor is a grid-based capacitive sensor; detecting hand input on the first electrodes and on third electrodes along the second axis and detecting no hand input on the second electrodes, wherein the hand input detection is based on self-capacitive detection; determining coordinates of stylus input; and reporting the coordinates to a host computing device associated with the digitizer sensor; characterized in that the method further comprises: estimating the signal transmitted by the stylus on the first electrodes according to Py = (Px / K) / (Fx / Fy), where Py is an array of energies of the signal to be estimated, Fx is a maximum finger effect in the hand input detected on the third electrodes, Fy is an array of finger effects in the hand input detected on the first electrodes, Px is the peak energy of the signal from the stylus detected on the second electrodes, and K is a calibration ratio defined based on calibration data detected while a hand is coupled to sensing lines along one axis that carry a stylus signal and not coupled to sensing lines along the other axis that carry a stylus signal, wherein the calibration ratio relates output detected during stylus detection and corresponding output detected during self-capacitive detection; and in that the determining the coordinates of the stylus input is based on the signal detected on the second electrodes and the signal estimated for the first electrodes. estimating the signal transmitted by the stylus on the first electrodes according to Py = (Px / K) / (Fx / Fy), where Py is an array of energies of the signal to be estimated, Fx is a maximum finger effect in the hand input detected on the third electrodes, Fy is an array of finger effects in the hand input detected on the first electrodes, Px is the peak energy of the signal from the stylus detected on the second electrodes, and K is a calibration ratio defined based on calibration data detected while a hand is coupled to sensing lines along one axis that carry a stylus signal and not coupled to sensing lines along the other axis that carry a stylus signal, wherein the calibration ratio relates output detected during stylus detection and corresponding output detected during self-capacitive detection; and in that the determining the coordinates of the stylus input is based on the signal detected on the second electrodes and the signal estimated for the first electrodes.