Chapter 1321: Messy

Jiang Yuan checked the evidence windbreaker on the spot, specifically used a horseshoe mirror to look at a few potential fingerprints, then rinsed his brain with the new technology, and then looked up and said: "I want a high-definition spectral imager, do you have one?"

Standing opposite him were two police officers from the archives room. Facing Jiang Yuan's inquiry, they could only lift their eyelids from working overtime, their hearts were confused and their eyes were confused.

"The provincial department has a Resonon push-broom type, with a resolution of 5.5 nanometers. I have borrowed it before." The one speaking was Zheng Feng, who rushed over, a "young" expert under 40 years old,

"Anwan City doesn't have it, right?" Jiang Yuan was a bit unwilling to give up, and tried to ask again.

"We have high-definition microscopes, but no high-definition spectral imagers. You want to use a high-definition spectral imager to scan this jacket, right? We can't do it. The one in the provincial department should be able to. It is said that the high-end configuration costs 500,000. Our city bureau can't afford it at all," Zheng Feng was very familiar with his own instruments.

The one who came with him was Liu Changchuan, the captain of the Criminal Science Detachment, who said more directly: "Even if we can afford it, we won't know how to use it. The foreign software is also complicated. I have also used Resonon's. The images taken are different from those taken by normal cameras, and we need to do image enhancement... By the way, Director Jiang understands image enhancement..."

This wave, I don't know if he was complaining about the technology or praising Jiang Yuan.

"Is that so? It's a bit of a waste," Jiang Yuan was a bit regretful. He opened the temporary 1 skill of the system, totaling more than 405 minutes, which was more than 6 hours. After using it up, it would have to cool down for 24 hours. Now the instrument is not in place, and the skill is equivalent to being opened in vain.

But it won't work if he doesn't open it. New technology is not so easy to get into the brain. Just fingerprint LV6 is enough to deal with existing fingerprints. If he wants to use new technology to collect old fingerprints and collect them clearly for case solving, fingerprint LV6 is not enough.

The cost of new things is higher.

Zheng Feng saw this, looked at the time, and asked a bit "ignorant": "Is it very urgent?"

Liu Changchuan, the captain next to him, frowned: "Director Jiang came to help us, how can you talk like that."

After finishing, Liu Changchuan said to Jiang Yuan: "We will organize it to go over now, try to borrow the machine from the provincial department tomorrow morning, and then drive back. It is estimated that it will arrive by noon."

This speed already exceeds the normal process.

Jiang Yuan shook his head slightly: "If it's tomorrow noon, it won't be that urgent."

After finishing, realizing that others couldn't understand, Jiang Yuan re-edited a reason and said: "My state is still okay now, and I can persist in working for about 6 hours. After 6 hours, if I am asked to do fingerprint comparison, I won't be able to do it. It is estimated that I have to sleep well. In this way, it may take another day to handle this jacket."

Jiang Yuan said and put the clothes back into the evidence bag.

At this moment, even the old captain Liu Changchuan was moved. This is what kind of spirit...

"I'll think of a way!" Liu Zhuangshi, who had just pulled his feet out of the gentle village, happened to walk into the door. Because of the sufficient blood supply from soaking his feet, his brain instantly thought of a way.

For the provincial department, his influence as a small city bureau criminal police detachment captain is definitely not enough, but Zhang Li Limin, who brought vinegar to wrap dumplings this time, is from the provincial department, and most of the fingerprints handled in this Anwan fingerprint battle are not Anwan's, so naturally he can find Zhang Li Limin to solve the problem.

Liu Zhuangshi didn't care that it was late at night, and made a phone call to Zhang Li Limin.

In a moment, Zhang Li Limin appeared in the combat conference room holding a large iron basin, entered the door, and said affectionately: "Everyone, the roasted cow eyes directly supplied by Jiang Village and specially made by the Jiang family are here, deng deng..."

A large cadre, appearing with his own sound effects, naturally caused bursts of applause.

As long as they weren't particularly afraid, they all came up and took the roasted cow eyes to give him face. At the same time, everyone also found that there were roasted beef skewers in the basin, so some people simply took meat skewers instead of cow eyes, and their faces were also justified.

Zhang Li Limin smiled and let everyone take food, and took a skewer of cow eyes to Jiang Yuan, smiling: "Try it, it's made according to the guidance of Mr. Jiang. That high-definition spectral imager thing, I called the department, and they have already brought the machine and personnel to rush over. If they drive a little faster, they will arrive in two or three hours."

"Ah, you solved it," Jiang Yuan was a bit surprised, and had to add a "you" at the end.

Zhang Li Limin smiled and nodded: "A small matter. It's our failure to consider clearly. Next, if you have any requirements, just mention them directly. We will definitely do what we can. Even if it's equipment that the department doesn't have, as long as you think it's necessary, I will contact people to purchase it immediately."

Jiang Yuan smiled and thanked him, then took a bite of the cow eye. It was indeed rich, fragrant, soft, and glutinous, feeling like the tendons on the beef tendon, very chewy, and completely without the stiffness of muscle.

"Very fragrant!" Jiang Yuan gave Zhang Li Limin a thumbs up.

"As long as you like it, I'll go roast some more to try." Zhang Li Limin didn't hold Jiang Yuan to talk, leaving time for him to do things, and went to roast meat excitedly. At this time, I don't know if it's because of work or because of liking it.

The experts still in the conference room returned to their positions to scan fingerprints. Fingerprint battles have such a benefit, you can work overtime to your heart's content, and you don't have to be complained about by your family for going home late, because you can choose to live here and not go home.

In the room at night, although the computer cases in the unit couldn't help but make a booming noise, everyone's heart was very quiet.

Criminal Science Captain Liu Changchuan was looking at Jiang Yuan carefully. Speaking of which, forensic doctors are also people in criminal science, but to say that it is convenient to do things...

"Bring the remains over to see," Jiang Yuan scanned all the evidence of this case of the remains again.

2 hours passed in a flash.

Two dusty police officers, accompanied by Zhang Li Limin, walked in with a huge camera.

The high-definition spectral imager worth 500,000, in terms of appearance, is not as large as a traditional video camera. It is a long rectangular body with black and red colors, with a camera head sticking out.

One of the criminal police officers seized the time to introduce the instrument to Jiang Yuan, especially the subsequent instrument software, specifically clicked on the explanation, and said: "When we do sample collection, we must first complete automatic exposure measurement, calibration focus, and dark background removal. For spectral imaging, the step is generally set to 1.33nm, so that each sample can obtain a spectral image set composed of 462 images each time... The collected raw data is processed through the pectrononPro software and converted into reflectance data..."

He said it roughly, then looked at Jiang Yuan, preparing to listen to his orders and operate it himself.

Jiang Yuan saw it, and reached out to ask for the instrument, saying: "I'll try it first, you guys help me look at it too."

After finishing, Jiang Yuan asked for the evidence jacket again, and operated it on the spot.

This type of high-definition spectral imager can originally be sampled in the field. In theory, if a corpse is found at the scene, the field investigation carrying the instrument can select fingerprints and other traces on the spot to sample and compare. This is also the simplest usage.

The technician hesitated, then saw Jiang Yuan's skilled movements, and couldn't help but ask: "Have you used the same type before?"

"About the same," Jiang Yuan said vaguely, and then took several fingerprints.

The push-broom high-definition spectral imager, as the name suggests, is sampled by flat pushing and flat scanning. The instrument equipment is debugged, and it is also very convenient to use.

The obtained fingerprints are transmitted to the computer, and then opened with pectrononPro. I saw the technician looking over with inquiring eyes.

Jiang Yuan sat down without hesitation. If it were ordinary fingerprint comparison, it would be fine, and letting others operate would be easier, but there were only so many fingerprints that could be found on the evidence jacket, and he was still hanging the LV7 skill. At this time, using it was not in vain for their hard work of running hundreds of kilometers late at night.

A few fingerprints soon appeared, but from the appearance, they were incomplete.

"Can it be used?" Li Li Zemin bit the Soft Zhonghua and squeezed over with concern.

"Need to process it," Jiang Yuan thought and said.

"How to process?" Li Li Zemin was curious.

"HE or WT. Or BBHE and SEHE," Jiang Yuan said standard histogram equalization (HE) and standard wavelet transform algorithm (WT), as well as brightness preserving bi-histogram equalization (BBHE) and two-dimensional spatial information entropy histogram equalization (SEHE).

Li Li Zemin said "Oh", as if he understood, turned his head and asked the two technicians: "What do you usually use?"

"Ah... we usually... usually just select HE by default," the technician was slightly flustered, and his expression was slightly messy. ===== CHAPTER 1322 =====

"How should we process it?" Li Li Zemin asked curiously.

"HE or WT, perhaps. Or BBHE and SEHE," Jiang Yuan said, referring to standard Histogram Equalization (HE) and standard Wavelet Transform (WT) algorithms, as well as Brightness Preserving Bi-Histogram Equalization (BBHE) and Histogram Equalization based on 2D spatial information entropy (SEHE).

Li Li Zemin gave an "Oh," as if he understood, then turned to ask the two technicians: "What do you usually use?"

"Ah... we usually... we just default to HE." The technician looked slightly flustered, his expression a bit messy.