The development of the video camera with high speed and high resolution makes it possible to conduct photogrammetry-based non-contact displacement measurement. This paper presented the estimations of the tension force of a cable by using the moving target image tracking technologies. A video camera was employed to capture the vibration image sequences of single or multiple targets installed along the cable. The background difference method was used to detect the moving targets, and then, the Kalman filter was conducted to track the moving target, from which the vibration response of the cable can be attained to extract the cable force in the general frequency-based method. The experiment test results reveal that there is a small error between the results measured from photogrammetry and those from accelerometers. The photogrammetry method has the potential of becoming an effective complement of the non-contact testing.