A scene from the Provincial Bureau's fingerprint battle replayed.

The light green data stream was like a mountain waterfall, filling the entire computer screen and the pupils of Liu Guodong, Wu Kaiyue, and Chen Kun.

"This..."

Wu Kaiyue gaped open-mouthed at seeing such image processing for the first time.

Chen Kun was also dumbfounded as he watched the rapidly flowing data stream on the computer screen.

Chen Kun studied computer programming in university and later focused on image processing in graduate school.

This is also the foundation of why Chen Kun could become the top technical expert in the Image Investigation Team.

Starting from university, he played with computers, and with so many years of experience accumulated, he rose to become the foremost technical figure in a municipal bureau's Image Investigation Team.

Precisely because he had such a foundation, Chen Kun knew exactly what Lu Chuan was doing at this moment.

"Are you doing a bottom-tier data split?"

Lu Chuan nodded, "Only by splitting the bottom-tier data of the image can we proceed to the next step of data enhancement."

While answering Chen Kun's question, Lu Chuan's hands never stopped; he kept tapping the keyboard, gradually performing the data split Chen Kun mentioned.

"The image resolution is too low, so we have to enhance the bottom-tier data, then transform the data stream back into an image."

"In this way, there's a high probability we can get the standard image we want."

As Lu Chuan operated, the data stream on the computer screen completed its split, and Lu Chuan began the data enhancement he just mentioned.

This was by far the most difficult part of the entire operation.

This time, it was Liu Guodong's turn to stand with his arms crossed and a self-assured look, watching Lu Chuan handle the data.

That kind of calm indifference was as if what Lu Chuan was doing was nothing.

There was also a feeling of pride, like saying, "Look, this is the kid I mentored."

Watching this, Wu Kaiyue couldn't help but feel a little envious.

He turned his gaze towards Lu Chuan, who was already performing the final step of the data-to-image conversion, suddenly wanting to bring him to the Image Investigation Team.

But...

He knew he could only think about it.

The future in the Image Investigation Team was truly not as promising as it was in Crime Scene Investigation.

In Haizhou City's Criminal Investigation Team, both were formed around the same time, and the Image Investigation Team was even formed a bit earlier.

But after all these years, the first captain of the Image Investigation Team had already retired.

And himself? He was the second captain.

None had been promoted.

Meanwhile, looking at the Crime Scene Investigation office, although they had fewer members than the Image Investigation Team—and even because of the lack of personnel, they didn't even qualify to form a Crime Scene Investigation Team or even a squad—

their office directors had, with the most successful one, become the deputy director in charge of criminal investigation at Haizhou City's Public Security Bureau.

That's the difference.

There's a saying in the public security system: politics remains a void even with a lifetime of political work.

To Wu Kaiyue, Image Investigation is no better; he wonders if he'll have no place to stand in old age.

While a writer might still pen an article, what could an image investigator do?

Correct mob shots in old age?

The more he thought about it, the dimmer his prospects seemed, and Wu Kaiyue let out a long sigh.

Sigh...

"It's done!"

As Wu Kaiyue sighed, Lu Chuan's side had finally completed the data-to-image conversion.

The progress bar for data conversion into the image completed its last percentage point.

The full-screen data stream vanished, revealing a picture.

"This..."

Wu Kaiyue stammered, staring at the photo on the screen.

Liu Guodong was also somewhat surprised.

When Lu Chuan was analyzing fingerprints at the Crime Scene Investigation office, Liu Guodong already knew Lu Chuan had such skills.

But he didn't expect Lu Chuan's skill in image enhancement to be so strong too.

"Brother Chen, do you think this photo can be used as a standard one?"

At this moment, Chen Kun was just as dumbfounded as Wu Kaiyue as he looked at the photo on the screen.

Having worked as an image technician for so many years, it was his first time realizing computer technology could enhance an image so clearly!

"It can, it absolutely can, it most definitely can!"

Lu Chuan's call to Brother Chen brought Chen Kun back to reality.

No wonder he could earn a First Class Merit twice!

That's the difference, that's strength.

Among tech enthusiasts, most don't think out of the box; it's not that they can't, but often they aren't willing to.

But such people have the utmost respect for fellow technical powerhouses.

Lu Chuan was clearly the technical powerhouse Chen Kun respected.

However, unlike Chen Kun, Lu Chuan's mind often wandered.

Taking out two packs of Chunghwa cigarettes, Lu Chuan stood and handed them to Wu Kaiyue and Chen Kun, "Captain Wu, Brother Chen, thank you so much."

"Without your help, I couldn't have managed this at the Crime Scene Investigation side, but now it's done."

Wu Kaiyue felt a little embarrassed.

He felt as though he hadn't done much.

Chen Kun was a bit more natural about it; after all, he had contributed some work.

However, regarding the Chunghwa, he felt it unnecessary.

He usually smoked ten-yuan per pack cigarettes, and Chunghwa... was rather luxurious.

"No need for the cigarettes; I haven't even thanked you for the plugin you gave me."

"Haha, Brother Chen, no need to be polite, it's no big deal."

"The computers on our crime scene investigation side are really awful; after a few tries, they'd stop working. Not like yours, which runs huge data volumes without issue."

Lu Chuan was speaking the truth.

Chen Kun's computer truly had high specifications.

When he was processing images, the memory used was not small, yet the computer's fan didn't make a sound.

"Chen Kun, take the cigarettes. This guy doesn't have much but he's got money, haha."

Liu Guodong laughed heartily as he pushed the cigarettes into Chen Kun's hand.

The team leader of the entire Criminal Investigation Team only smoked thirty-yuan cigarettes.

Qin Yong wanted to smoke Chunghwa, but it wasn't a question of means; it was a question of courage.

So when he wanted to smoke, he went to the Crime Scene Investigation office.

When Lu Chuan was there, Liu Guodong, Yang Sen, and Old Bai's desks never lacked open packs of Chunghwa.

They chatted for a while longer, mainly about Chen Kun seeking advice—no, rather, exchanging image processing techniques—and then Liu Guodong and Lu Chuan went back.

The suspect image from the Sun Yuting fraud case needed to be sent to the Economic Investigation Team in Qinzhou City.

Contrary to what dramas show, in reality, there isn't a system to input a photo to find an identity match.

Whether it's the Criminal Investigation or the Economic Investigation team, the only shared system is the wanted system.

This system, the police station can check.

But the system only contains confirmed identities; the suspect in the Sun Yuting fraud case is identity-uncertain.

Only after comparison and confirming the opposing identity can it be entered into the wanted system for action.

And this comparison relies on the blacklist system.

At airports and entry-exit management units, this system is available.

When an individual is checking in or handling entry-exit procedures, personal information is collected, and facial recognition is performed.

Once matched successfully with the blacklist, related information is sent to the notifying police unit who issued the alert.

Afterward, actions for arrest can be carried out.

However, the blacklist system has very high demands for facial matching.

Otherwise, if a non-criminal is mistakenly matched, it becomes a laughing stock.

This is one of the reasons why, even after more than a year, the Economic Investigation Team in Qinzhou City still hasn't confirmed the suspect's identity.

The Deputy Captain of the Economic Investigation Team in Qinzhou City, upon looking at the photo sent over from Haizhou City, suddenly felt like grinding the Image Investigation Team of Qinzhou City into the ground.

Is the gap really this vast?

Moreover, the person who did this was an amateur, an image-enhanced by a criminal scene police officer.

Putting aside these thoughts, Wang Haiyi instructed Sun Xiaotao to input the photo into the blacklist.

Of course, entering the list doesn't guarantee finding the person.

The target must take a plane or go through entry-exit where facial information is collected for a match.

Of course, taking a high-speed train works too, as many stations now have face collection systems.

While using facial recognition to board trains, facial information can also be collected.

However, regular trains don't work; using an ID or ticket isn't sufficient for facial collection.

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