imagesc function using OpenCV

Here is a similar imagesc Function in matlab using Opencv
double min;
double max;
cv::minMaxIdx(map, &min, &max);
cv::Mat adjMap;
// Histogram Equalization
float scale = 255 / (max-min);
map.convertTo(adjMap,CV_8UC1, scale, -min*scale);


cv::Mat resultMap;
applyColorMap(adjMap, resultMap, cv::COLORMAP_AUTUMN);

cv::imshow("Out", resultMap);

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