The development of criminal investigation technology cannot be said to be fast, but it is not slow either. Take fingerprint identification analysis as an example, more than ten years ago, criminal police officers still used horseshoe mirrors to identify fingerprints and compare tens of thousands of fingerprint cards.

At that time, there was no one who engaged in fingerprint identification and analysis that was not short-sighted. But even now, the ancient equipment of the horseshoe mirror has not been completely abandoned.

It's like a charming young woman and a young girl, there is always someone who likes it. Now, although fingerprints are not collected with fingerprint cards, there are still many people who are still holding a horseshoe mirror in front of the computer screen when comparing fingerprints.

In this room, there are two older combatants, still using horseshoe mirrors. Most of the others use the image processing software that comes with the system to enlarge and distort the fingerprint, and then put it in the system for comparison.

But either way, either use a horseshoe mirror or a mouse. Like Lu Chuan, who uses a keyboard...... Not really.

"Lu Chuan, you ...... Hacker? Gao Wenxiang is also well-informed. He'd seen it with a horseshoe mirror in tears on the screen.

He has also seen the fingerprints printed out, and the ridge lines are compared. But what is Lu Chuan doing?

The images on the computer screen switch frantically, and the data streams seem to be played out in the Matrix, flowing in the corner of the screen.

Is it already at this level to engage in fingerprint identification now? Lu Chuan is doing a map number transformation, parsing the fingerprint image into a two-dimensional number, and then enhancing the impact through mathematical transformation.

"Well, it's a change, and it'll be fine soon." Lu Chuan did not explain in detail. Before he obtained advanced fingerprint identification and analysis skills, he couldn't figure out his current operation methods as a professional surveyor.

Not to mention Gao Wenxiang, who only had a college degree and returned from explaining to the army. Just now when the two were smoking, Gao Wenxiang shared his police experience in detail.

Xu is an older person who likes to share his life. When he was in the current office, Yang Sen Lao Bai liked to talk about his previous great achievements.

Fortunately, Lu Chuan is a qualified listener. This is also the reason why Lu Chuan's popularity is better, because he can control his tongue and not talk much.

In this office, Lu Chuan, as the only criminal police officer of the criminal investigation detachment, has a different status after all.

Except for the two technical police officers in the technical appraisal center, the others often have to ask the head of the detachment.

Therefore, even though Lu Chuan's keyboard tapping sound was a little noisy, everyone didn't particularly care. When I was in my own unit, everyone chatted more loudly than not.

Soon, everyone's attention turned to their computer screens again. Only Gao Wenxiang glanced at Lu Chuan's computer screen when he was fine, and enjoyed the instant sense of the Matrix.

Ding dong! The crisp sound woke up the criminal police who were immersed in fingerprints. Lu Chuan participated in the fingerprint battle of the city bureau for the first time, and he didn't quite understand what this dingdong meant: "Brother Gao, what's wrong?" Gao Wenxiang looked at a policeman who had just stood up and stretched his waist, and sighed twice: "Someone just successfully compared fingerprints." Gao Wenxiang pointed to the third seat opposite, and stood up and stretched the policeman: "Sun Hao of the Technical Appraisal Center, in terms of technology alone, is a little worse than Director Liu Guodong, and this first fingerprint fell into his hand." Lu Chuan raised his eyes and saw that Sun Hao was about the same age as Liu Guodong, a middle-aged man, with a somewhat fat figure and a kind smile on his face.

"Congratulations, it has to be Director Sun."

"Like, it's been less than an hour, isn't it?" Many colleagues gave timely applause and congratulations. The police station and the criminal police brigade below, the technical problems that they can't handle by themselves are basically handed over to two places.

One is the investigation office of the criminal investigation detachment, and the other is the technical appraisal center of the city bureau. In terms of workload, the technical appraisal center receives more work below.

After all, the criminal investigation detachment still has its own cases, and the technical appraisal center is specialized in technical support.

Sun Hao waved his hand, his expression was not proud: "It's just a small case, take the lead, let's continue." The sound of Ding Dong is the sound of the successful fingerprint identification and analysis specially set up in the conference room during the fingerprint battle.

At the same time, a leaderboard will appear in the bottom right corner of everyone's computer screen.

"If you click on this, you can see the fingerprints that Director Sun compared." Lu Chuan followed Gao Wenxiang's guidance, clicked on the prompt box in the lower right corner, and sure enough, a ranking list appeared.

Sun Hao's name is in the first place, followed by a red one

“1”。 The others, including Lu Chuan, were all black

“0”。

"That 1 can be clicked on, and you can see the situation of the fingerprint comparison case." Lu Chuan clicked on it as he said, it was a battery car theft case.

Sun Hao is right, it is indeed a small case.

"Brother Gao, our fingerprint battle is general...... How many fingerprints can you compare successfully? ”

"It's just three or five, most of the cases are this year's cases, and there are occasional previous cases, but there are not many of them, and sometimes they can't come across one for two or three years in a row."

"What about the murders?"

"Homicide?" Gao Wenxiang smiled: "The fingerprint battle organized by the provincial department may not be able to compare the murder case, the ...... of our city bureau" Gao Wenxiang's smile told Lu Chuan the answer.

In history, there has never been a homicide. Lu Chuan nodded and continued to layer the selected fingerprints.

It is indeed not easy to identify and analyze the fingerprints of homicides. For nearly an hour, Lu Chuan had not completed the pre-processing of fingerprints.

But it's also fast, Lu Chuan estimates that it will be done in another half an hour. Time is ticking, and everyone's work is getting better.

The fingerprint battle highlights the atmosphere of a centralized office. In addition, this is also an opportunity for all the criminal police officers who are proficient in fingerprint identification of the Haizhou Public Security Bureau to exchange technology and contact feelings.

"Lu Chuan, take two to breathe?" After sitting for nearly two hours, Gao Wenxiang had a little backache. Elderly men have no choice, either backache or urine bifurcation, and they are always a little powerless.

It just so happened that Lu Chuan had also completed the preprocessing of fingerprints at this moment. Feature markers and data calculations have also been completed.

All that's left is to put it in the system and run the data.

"Okay, smoke one." Picking up the soft China on the table, Lu Chuan knocked the enter key. The system starts the automatic comparison.

In the smoking area, there were four or five people in addition to Lu Chuan and Gao Wenxiang. After working for two hours, the smoker is almost addicted to smoking.

"Come, let me introduce to you, Lu Chuan, the leader of the detachment, and the proud protégé of Director Liu." Gao Wenxiang is obviously an old man, and most of the people who participated in this battle know him.

For the people of the criminal investigation detachment, everyone gave due respect. Greetings one after another. Two others handed over cigarettes.

Lu Chuan hurriedly dismantled the soft China: "Smoke this, smoke this." The smokers were a little surprised and took the soft China handed over by Lu Chuan, but they didn't say anything.

Just thanks, the original red plum, red river, and the highest price purple cloud were extinguished. Smoking is the best way for men to socialize, this is a famous saying that Lu Chuan's father taught Lu Chuan.

Sure enough, everyone is familiar with the kung fu of a cigarette.

"Xiao Lu, there is a case in our team, at the leader of Ren Qiang, can you take the time to help ask, what's wrong?" The person who spoke was a person from the Criminal Police Brigade of the High-speed Rail New Area, named Sun Miao.

Lu Chuan nodded, Ren Qiang was familiar with him, and it would definitely be no problem to help ask about the situation.

"Is Team Leader Sun Jun familiar with it?" Sun Jun...... Lu Chuan nodded, it's okay.

"What about Wang Changjiang's forensic doctor? I have a toxicology test here, and the technical appraisal center has to queue up ......" This relationship and pattern will be opened.

After two cigarettes, Lu Chuan's full pack of Huazi was half empty, and everyone returned to the conference room.

Then he saw all the people standing up and saluting to the people who had entered the door.