Category Archives: examination

Axxen MLC microSD 32GB performance test

What is Axxen ? Axxen is a South Korean brand that supplies a variety of IT products. They supply many types of SD cards for consumers, as well as for black box or dashboard cameras that require high-endurance continuous writing. They were once supplied with MLC, which I don’t believe… Read more »

TOSHIBA Exceria microSD 64GB performance test

An old thing I found an old microSD card in a storage enclosure. What an “Exceria” brand name! It belongs to the forgotten Toshiba. Conclusion As I expected, the performance of this old microSD card is not as good as that of modern UHS-I grade microSD cards. Just 10 MB/s… Read more »

Kioxia Exceria G3 128+256GB microSD performance test

A motive About a year ago, I found that the Kioxia Exceria microSD series was updated for the next generation — the G3. I haven’t caught up with their updates yet. I bought two different capacities of microSD cards to test their performance. Performance conclusion According to the manufacturer’s explanation,… Read more »

2years old Kioxia Exceria G2 256GB microSD card performance test

I have a two-year-old Kioxia Exceria G2 256GB microSD card that I have performance tested on Apple macOS M1 (Air) with AmorphousDiskMark. With the G3 product line coming out these days, I tested the performance of my 256GB G2 out of curiosity to see how much it lagged behind the… Read more »

Short impression of Sandisk High Endurance SDXC 64GB

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New High-Endurance model Sandisk released some special SDcard product that named as High-Endurance in a few years ago. It had longer life than formal SDcard ( usually made with TLC or QLC NAND ) up to guarantees 5000 hours in writing time at 64GB. ( It based on manufacturer’s reference…. Read more »

Work in a game even you are playing that game now.

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A game surprised me – actually it was lean to negative side – by design new circuit and programming it into each component inside – what a brilliant idea, hugh ? It looks like explain : A game for working (or training ) even I am playing a game! Name… Read more »

Correcting shaded illumination on medical image.

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By using CLAHE algorithm, there’s some problem occurs by object shapes like this: Each edge side of object going too darken by window leveling. It is defecting issue of CLAHE. So I tried to make it corrected with shading correction. Here is source raw image, 14bit gray. First, I need… Read more »

Applying HDR in medical image.

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Prologue High dynamic tone mapping is a kind of graphical thesis to indemnify exposure of whole a image specially such as 256 leveled Red, Green, Blue (+Alpha transparency) formats. But high dynamic calculates all pixel levels as an floating point number with luminance ( in case of RGB, it convert… Read more »