An apparatus for processing an image, the apparatus comprising: a camera configured to obtain a fixed image signal and a variable image signal; a communication interface configured to receive a movement command; a driver configured to move the camera in response to the movement command; and a processor configured to process the fixed image signal based on a fixed image signal process parameter value by setting an image signal process parameter value to the fixed image signal process parameter value, and to process the variable image signal based on a variable image signal process parameter value by setting the image signal process parameter value to the variable image signal process parameter value, wherein the fixed image signal is obtained if the communication interface does not receive a movement command and the variable image signal is obtained if the communication interface receives the movement command, wherein the variable image signal process parameter value has the image signal process parameter value based upon which a high frequency component of the variable image signal is reduced, wherein the processor is configured to repeat changing the variable image signal process parameter value by reducing of a current edge strength, increasing of strength of a current noise remove filter, and increasing of strength of a current high frequency remove filter until an output bitrate of the variable image signal becomes a preset target bitrate or less, wherein the processor is configured to apply different variable image signal process parameter values to a region of interest and a region of non-interest of the variable image signal, and wherein the processor is configured to gradually change the image signal process parameter value to the variable image signal process parameter value, which is determined based on the movement velocity of the camera. a camera configured to obtain a fixed image signal and a variable image signal; a communication interface configured to receive a movement command; a driver configured to move the camera in response to the movement command; and a processor configured to process the fixed image signal based on a fixed image signal process parameter value by setting an image signal process parameter value to the fixed image signal process parameter value, and to process the variable image signal based on a variable image signal process parameter value by setting the image signal process parameter value to the variable image signal process parameter value, wherein the fixed image signal is obtained if the communication interface does not receive a movement command and the variable image signal is obtained if the communication interface receives the movement command, wherein the variable image signal process parameter value has the image signal process parameter value based upon which a high frequency component of the variable image signal is reduced, wherein the processor is configured to repeat changing the variable image signal process parameter value by reducing of a current edge strength, increasing of strength of a current noise remove filter, and increasing of strength of a current high frequency remove filter until an output bitrate of the variable image signal becomes a preset target bitrate or less, wherein the processor is configured to apply different variable image signal process parameter values to a region of interest and a region of non-interest of the variable image signal, and wherein the processor is configured to gradually change the image signal process parameter value to the variable image signal process parameter value, which is determined based on the movement velocity of the camera.