An apparatus for evaluating a quality for image capture, the apparatus comprising: a store for storing a model of a scene; a capture circuit for generating virtual captured images for a plurality of camera poses of a camera configuration, the capture circuit being arranged to generate the virtual captured images by rendering images for the camera poses based on the model; a depth generation circuit for generating model depth data for the virtual captured images from the model; a first synthesis circuit for processing the virtual captured images based on the model depth data to generate first view images for a plurality of test poses in a region of the scene; a depth estimation circuit for generating estimated depth data for the virtual captured images based on the virtual captured images; a second synthesis circuit for processing the virtual captured images based on the estimated depth data to generate second view images for the plurality of test poses; a reference circuit for generating reference images for the plurality of test poses by rendering images for the plurality of test poses based on the model; a quality circuit for generating a quality metric for at least one of the camera configuration, the processing to generate the first view images, and the processing to generate the second view images in response to a comparison of the first view images, the second view images, and the reference images, wherein the quality circuit is arranged to determine the quality metric to comprise a first quality metric for the first view images and a second quality metric for the second view images, and wherein the quality circuit is arranged to determine quality metrics for a plurality of camera configurations, and to select between the plurality of camera configurations in response to both the first quality metric and the second quality metric. a store for storing a model of a scene; a capture circuit for generating virtual captured images for a plurality of camera poses of a camera configuration, the capture circuit being arranged to generate the virtual captured images by rendering images for the camera poses based on the model; a depth generation circuit for generating model depth data for the virtual captured images from the model; a first synthesis circuit for processing the virtual captured images based on the model depth data to generate first view images for a plurality of test poses in a region of the scene; a depth estimation circuit for generating estimated depth data for the virtual captured images based on the virtual captured images; a second synthesis circuit for processing the virtual captured images based on the estimated depth data to generate second view images for the plurality of test poses; a reference circuit for generating reference images for the plurality of test poses by rendering images for the plurality of test poses based on the model; a quality circuit for generating a quality metric for at least one of the camera configuration, the processing to generate the first view images, and the processing to generate the second view images in response to a comparison of the first view images, the second view images, and the reference images, wherein the quality circuit is arranged to determine the quality metric to comprise a first quality metric for the first view images and a second quality metric for the second view images, and wherein the quality circuit is arranged to determine quality metrics for a plurality of camera configurations, and to select between the plurality of camera configurations in response to both the first quality metric and the second quality metric. <EOS>