Image sensor and operating method thereof

An image sensor and an operation method of the image sensor are provided. The image sensor includes: a pixel array including a plurality of pixels divided into a plurality of combination regions; a readout circuit configured to receive a plurality of pixel signals including a first sensing signal of the first pixel and a second sensing signal of the second pixel from the plurality of combination regions during a single frame period, and output a first pixel value corresponding to the first pixel and a second pixel value corresponding to the second pixel based on the plurality of pixel signals; and an image signal processor configured to generate first image data based on a plurality of first pixel values corresponding to the plurality of combination regions, generate second image data based on a plurality of second pixel values corresponding to the plurality of combination regions, and generate output image data by merging the first image data with the second image data. 提供了一种图像传感器和该图像传感器的操作方法。所述图像传感器包括：像素阵列，