OpenCV cvSaveImage Jpeg Compression Factor

Question

I am using OpenCV and saving as a jpeg using the cvSaveImage function, but I am unable to find the Jpeg compression factor used by this.

1. What\'s cvSaveImage(.

Answer 1

imwrite("filename.jpeg",src,(vector){CV_IMWRITE_JPEG_QUALITY, 20});

• filename.jpeg will be output File name
• src be source image read containing variable
• (vector) typecasting
• {CV_IMWRITE_JPEG_QUALITY, 20} an array of elements to be passed as Param_ID - and Param_value in imwrite function